CONDENSING COMBI BOILERS
INSTALLATION & USER MANUAL
EWA 24
EWA 28
EWA 33
EWA 24
EWA 28
EWA 33
3
warmhaus.com
INDEX
1. DEAR WARMHAUS CUSTOMER ...........................................4
1.1. GENERAL WARNINGS ...................................................................4
1.2. GENERAL WARRANTY CONDITIONS .......................................4
1.3. BOILER GAS CATEGORIES & DESTINATIONS ........................5
1.4. GAS LEAKAGES ...............................................................................6
2. INSTALLATION PERSONNEL SECTION ................................7
2.1. CONTENTS OF PACKING BOX ..................................................... 7
2.2. COMBI INSTALLATION RULES ....................................................8
2.2.1. General Rules for Installation Places of Combi Boilers .........8
2.2.2. Places Not Suitable for Installing
Hermetical Combi Boilers .............................................................8
2.2.3. Wall Installation of Combi and Selecting
the Installation Place ......................................................................8
2.2.4. Dimensions and Connections ......................................................9
2.2.5. Natural Gas and LPG Connection
(Device Category I2H, II2H3P) ...........................................................9
2.2.6. Flammable Gas Quality .................................................................9
2.2.7. In Case of Using LPG Tank ............................................................9
2.2.8. In Case of Using Bottled Gas .......................................................9
2.2.9. Filling the siphon for Condensation Line ................................10
2.2.10. Installation at Partially Protected Exteriors ........................... 10
2.2.11. Electrical Connections .................................................................10
2.2.12. Optional Controls: Room Thermostat,
Outside Sensor and Others ......................................................... 11
2.3. HYDRAULIC INSTALLATION RULES ........................................ 13
2.3.1. Radiator and DHW Installations ................................................ 13
2.3.2. Filling/Emptying Radiator Installation .................................... 13
2.3.3. Circulation Pump ........................................................................... 15
2.3.4. Controls for Initial Operation of Combi ................................... 15
2.3.5. Parts Comprising the Combi ...................................................... 16
2.4. COMBI FLUE CONNECTIONS ..................................................... 16
2.4.1. Exhaust Gas Flue Pipe Set and Accessories Connection .. 16
2.4.2. COMBI FLUE CONNECTION TYPES ......................................... 17
2.4.3. Peripheral Distances of Flue Output Connections ...............19
2.4.4. Installation with Horizontal Flue Sets ...................................... 19
2.4.5. Installation with Vertical Flue Sets (Ø 60/100 mm) ............ 21
2.4.6. Twin Flue Kits Ø 80/80 (Hermetic) Flue Type Use .............. 21
2.4.7. Recommendations of Plume Kit Installation ........................ 25
3. USER'S SECTION ................................................................. 26
3.1. GENERAL WARNINGS FOR USER ........................................... 26
3.1.1. Use of Combi ................................................................................. 26
3.2. SELECTION OF ON/OFF/STANDBY AND
SUMMER/WINTER MODES ....................................................... 28
3.2.1. On/O/Standby Positions ......................................................... 28
3.2.2. Operation at Winter Position .................................................... 28
3.2.3. Operation at Summer Position ................................................. 28
3.2.4. Resetting the Combi (Re-Starting) ......................................... 29
3.2.5. Shutting o the Combi ............................................................... 29
3.2.6. Use with Room Thermostat (Optional).................................. 29
3.2.7. Use of Outside Temperature Sensor (Optional) .................. 30
3.2.8. Customizing Combi Features....................................................30
3.3. TROUBLESHOOTING ................................................................... 31
3.3.1. Failure Codes Table....................................................................... 31
3.4. RECOMMENDATIONS FOR ECONOMICAL
USE OF COMBI .............................................................................. 35
3.5. ISSUES REQUIRED TO BE TAKEN INTO
CONSIDERATION FOR WARRANTY CONDITIONS ............ 35
4warmhaus.com
We congratulate you for preferrng the Warmhaus comb to mantan your
heatng and hot use water comfort for long years and thank for your trust.
Warmhaus comb, manufactured n accordance wth European Unon
standards and advanced technology, are also beng mported to many
countres. You can beneft from our Authorzed Techncal Servce network
havng occupatonal competency certfcate for all knds of ordnary
mantenance requrements for ths product manufactured wth rgorous
studes. Our Authorzed Servces guarantee protecton of your devce
performance as they always provde orgnal spare parts servce. Carefully
read ths gude n order to use the comb n an economc, comfortable and
ecent way and keep as a source of applcaton.
In order to ensure ecent use, we ntally recommend you to have the
nstallaton performed by a certfed dealer experenced and competent n
nstallaton by the local gas authorty.
1.1. GENERAL WARNINGS
Gude Book s an nseparable and ntegral part of the product and should be
delvered to the new user when the devce s transferred. The aforementoned
book should be carefully protected and used as well as be applcable when
requred as t contans mportant nformaton regardng nstallaton.
Radator and DHW nstallatons should be engneered and
produced by a competent and certfed engneerng company n
accordance wth measurements defned based on laws by
consderng legal regulatons n force.
Installaton and Mantenance operatons should be performed by
the expert personnel havng adequate techncal knowledge n
nstallatons sector and occupatonal competency certfcate n
accordance wth legal regulatons n force. As the result of a false
nstallaton, dangers may occur whch the manufacturer company cannot be
held responsble for and may damage people, other lve bengs (anmals,
plants) or commodtes.
Natural Gas Installaton Project; One of the dealers authorzed by a
gas company located at your cty should be preferred for performng
project and etude studes.
In order to enable use of the comb wth LPG tubes or LPG tanks,
conversaton of the comb should be performed by our authorzed
Warmhaus servce. Project desgn and applcaton for LPG use
should be performed by the company supplyng the tank n
accordance wth local and legal rules.
1.2. GENERAL WARRANTY CONDITIONS
The Manufacturer company shall not have any responsbltes
wthn or out of the agreement scope due to falures arsng from
falng to follow legal regulatons n force and standards and
nformaton gven n ths gude book (and nformaton and nstructons
provded by the manufacturer under any crcumstances) durng
nstallaton, use or mantenance operatons and devce warranty shall also
be vod.
Only the authorzed Warmhaus Servce s authorzed to make the
electrcal connecton of Comb and supplyng electrcty to the
comb.
The mantenance and repars as the result of falure of the product wthn the
warranty perod due to materal, producton and nstallaton errors shall be
performed as free of charge wthout clamng any workmanshp costs and
spare part payments.
(Also See: 3.5. ISSUES REQUIRED TO BE TAKEN INTO CONSIDERATION BY
USERS FOR WARRANTY CONDITIONS)
Ths devce should only be used for ts desgned ntended
purposes (to be used n closed-crcut heater nstallaton and
producton of open crcut domestc hot water producton). All
knds of other uses are not sutable as well as may create a potental danger.
Manufacturer shall not be responsble for damages occurrng due to
nterventons, false nstallaton and ntal startng performed by unauthorzed
persons and warranty scope shall be vod. As the Comb s a devce havng
heatng system, domestc hot water, natural gas/LPG and electrcal
connectons, do not make and have any nterventons made wthout the
authorzed servce.
Forbd any nterference wth a sealed component.
Devce mantenance operatons should be performed by the
authorzed and expert techncal personnel, and
It s strctly forbdden to try to detect the gas leakage wth the help
of flame.
Ths devce has been manufactured to be nstalled n the country
gven on the techncal regstry label. Performng the nstallaton n
countres other than the country wrtten on the table may damage
ndvduals, anmals and commodtes.
Combs bear CE mark n accordance wth below gven drectves:
- Gas Applances Drectve 2009/142/EC
- Boler Ecency Drectve 92/42/EEC
- Low Voltage Drectve 2014/35/EU
- Electromagnetc Compatblty Drectve 2014/30/EU
Please vst the below gven web ste of Warmhaus for acqurng more
detaled nformaton regardng legal regulatons on nstallaton of gas fred
heatng devces: www.warmhaus.com
Manufacturer: WARMHAUS Isıtma ve Soğutma Sstemler Tc. A.Ş. Bursa
Organze Sanay Bölges Park Cad. No:10 16140 Nlüfer-Bursa / Türkye
WARMHAUS
Warmhaus Authorzed Techncal Servce Centres mantan an assurance
regardng qualty and professonalsm on that ssue. WARMHAUS s not
responsble for damages arsng from repars, part replacements and
mantenances performed by thrd persons and companes and comb
remans out of the warranty scope under such condtons.
WARMHAUS A.Ş. reserves the rght to make all knds of techncal and
commercal amendments wthout gvng nformaton and rejects all
responsbltes dependng on msspellng.
1. DEAR WARMHAUS CUSTOMER
1015 18
24 kW, 28 & 33 kW
5
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1.3. BOILER GAS CATEGORIES & DESTINATIONS
Designation: Used gas types & Countries
Object Manufacturer Type-model / Technical data Mark (s) of conformity
Boiler gas categoires & destinations Warmhaus all wall-hung boilers granted
Gas categories for Warmhaus boilers has been applied on CE certification on SZU Test / BRNO given bellow;
-
the appliance category(ies) in relation to the direct countries of destinationhas been spesified EN 15502-1; GAR Certificate E-30-00300-18 product ID Nr. CE-1015CT0615
- the country(-ies) of destination, in accordance with EN ISO 3166-1;
- the gas supply pressure in millibars, if several normal pressures can be used for the same gas group. They are indicated by their numerical value and the unit “mbar”
Document for
conformity
approved by
SZU test
Appliance
Categories Gas Type
Gas Inlet
Supply
Pressures
Used
Gas
Ewa 24/28/33 version
H and R
Priwa Easy 18/24/28/33,
Priwa 24/28/33,
Priwa Plus 24/28/33,
Priwa ErP 18/24/28/33,
Priwa Plus ErP
18/24/28/33,
Priwa ErP version H and R,
Priwa Plus ErP version
H and R
Enerwa 18/24/28/33
Enerwa
1824C/2530C/3035C/3540C,
Enerwa Plus 18/24/28/33,
Enerwa Plus
1824C/2530C/3035C/3540C,
Enerwa ErP version H and
R, Enerwa Plus ErP version
H and R
Viwa 50,
Viwa 65,
Viwa 90,
Viwa 115,
Viwa 125,
Viwa 150
Countries of Destination**
YES I 2H Natural Gas 20 mbar G20 Available Available Available AT, BG, CH, CZ, DK, EE, ES, FI, GB, GR, HR,
IE, IT, LT, LU, LV, NO, PT, RO, SE, SI, SK, TR
YES I 2H Natural Gas 25 mbar G20 Available Available Available HU
YES I 2E Natural Gas 20 mbar G20 Available Available Available DE, LU, PL, RO
YES I 2E+ Natural Gas 20 mbar G20 Available Available Not Available BE, FR
YES I 2E(S) Natural Gas 20 mbar G20 Available Available Available BE
YES I 2ELL Natural Gas 20 mbar G20 Available Available Not Available DE
YES II 2H3P Natural Gas 20 mbar G20 Available Available Not Available CH, CZ, ES, GB, GR, HR, IE, IT, LT, PT, RO,
SI, SK
YES II 2H3+ Natural Gas 20 mbar G20 Available Available Not Available CH, CY, CZ, ES, GB, GR, IE, IT, LT, PT, SI,
SK, TR
YES II 2E+3+ Natural Gas 20 mbar
25 mbar G20 Available Available Not Available BE, FR
YES II 2E+3P Natural Gas 20 mbar
25 mbar G20 Available Available Not Available BE, FR
YES II 2H3B/P Natural Gas 20 mbar G20 Available Available Not Available AT, CH, CY, CZ, DK, EE, FI, GR, IT, LT, NO,
RO, SE, SI, SK
YES II 2E3B/P Natural Gas 20 mbar G20 Available Available Not Available DE
YES II 2ELL3B/P Natural Gas 20 mbar G20 Available Available Not Available DE
YES I 2L Natural Gas 25 mbar G25 Available Available Not Available NL
YES I 2E+ Natural Gas 25 mbar G25 Available Available Not Available BE, FR
YES I 2ELL Natural Gas 20 mbar G25 Available Available Not Available DE
YES II 2L3P Natural Gas 25 mbar G25 Available Available Not Available NL
YES II 2L3B/P Natural Gas 25 mbar G25 Available Available Not Available NL
YES II 2ELL3B/P Natural Gas 20 mbar G25 Available Available Not Available DE
YES I 3+ Buthane Gas 28-30 mbar
37 mbar G30 Available Available Not Available BE, CH, CY, CZ, ES, FR, GB, GR, IE, IT, LT,
PT, SI, SK
YES I 3B/P Buthane Gas 30 mbar G30 Available Available Not Available BE, CY, CZ, DK, EE, FI, GB, GR, HU, HR, IT,
LT, NL, NO, RO, SE, SI, SK, TR
YES I 3B/P Buthane Gas 50 mbar G30 Available Available Not Available AT, CH, DE, FR, SK
YES II 2H3+ Buthane Gas 28-30 mbar
37 mbar G30 Available Available Not Available CH, CY, CZ, ES, GB, GR, IE, IT, LT, PT, SI,
SK, TR
YES II 2E+3+ Buthane Gas 28-30 mbar
37 mbar G30 Available Available Not Available BE, FR
YES II 2H3B/P Buthane Gas 30 mbar G30 Available Available Not Available CY, CZ, DK, EE, FI, GR, IT, LT, NO, RO, SE,
SI, SK
YES II 2H3B/P Buthane Gas 50 mbar G30 Available Available Not Available AT, CH, SK
YES II 2E3B/P Buthane Gas 50 mbar G30 Available Available Not Available DE
YES II 2L3B/P Buthane Gas 30 mbar G30 Available Available Not Available NL
YES II 2ELL3B/P Buthane Gas 50 mbar G30 Available Available Not Available DE
YES I 3P Propane LPG 37 mbar G31 Available Available Not Available BE, CH, CZ, ES, FR, GB, GR, HR, IE, IT, LT,
NL, PL, PT, SI, SK, TR
YES II 2H3P Propane LPG 37 mbar G31 Available Available Not Available CH, CZ, ES, GB, GR, HR, IE, IT, LT, PT, RO,
SI, SK
YES II 2L3P Propane LPG 37 mbar G31 Available Available Not Available NL
YES II 2E+3P Propane LPG 37 mbar G31 Available Available Not Available BE, FR
** EN 437+A1:2009, Codes for the representation of gases and names of countries and their subdivisions; Part 1: Country codes (ISO 3166-1:2006)
6warmhaus.com
HOW TO MOVE WHEN NATURAL GAS ODOUR IS DETECTED..
.
1.4. GAS LEAKAGES
DURING EMERGENCIES
INFORMATION: You can vst web stes of local gas authortes and NATURAL GAS EMERGENCY sectons.
Advce: Please take note local emergency phone numbers.
AMBULANCE POLICEFIRE
DEPARTMENT
NATURAL GAS
EMERGENCY
Do not use lghter -
matches.
Close valves of
devces operatng
wth natural gas and
your gas meter.
Immedately
evacuate the place
wth gas odour.
Natural Gas Emergency
Lne from your
neghbour or another
sutable place.
Do not make any
nterventon on
nstallaton.
Never close culverts
ensurng dscharge
of the gas from the
envronment n case of
a natural gas leakage.
Do not use the door
bell.
Do not use phones
n case of a natural
gas leakage. It may
create sparks.
Do not lght on and o
lamps and other electrcal
devces or pull o the
plug.
Ventlate the
envronment by
openng doors and
wndows.
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2. INSTALLATION PERSONNEL SECTION
I. Installaton Scheme (Fgure 1)
II. User's Gude (Fgure 2)
III. Connecton Accessores (Fgure 3)
a. 1 throttle screw (nstalled at flue output).
b. 2 hanger screws
c. 2 Dowels
IV. Hanger Plate (Fgure 4)
V. Exhaust Gas Flue Set (Fgure 5)
Fgure 1 Installaton scheme
Fgure 4 Hanger Plate
Fgure 3 Connecton accessores
Fgure 2 User's Gude
Fgure 5 Exhaust gas flue set
471
1000
GAS
G3/4" G3/4"G3/4"
80 mm 65 mm 65 mm 64 mm
725 mm
592 mm
422 mm
G1/2"G1/2"
75 mm 73 mm
Ø110 mm
114 mm
(OPTIONAL)
Ewa
Priwa ERP / Priwa ERP Plus
Priwa / Priwa Plus
Enerwa / Enerwa Plus
150.11.606.000028
Do not leave packng materals (plastc, nylon, bags, etc.) at places
to be reached by chldren for preventng any dangers for health.
2.1. CONTENTS OF PACKING BOX
Warmhaus s sold as two boxes wth comb and flue set. Comb box contans below lsted materals and small box contans exhaust gas flue ppes.
8warmhaus.com
2.2. COMBI INSTALLATION RULES
2.2.1. General Rules for Installation Places of Combi Boilers
No restrcton s avalable for places where Hermetc (C typ) comb s nstalled
(devces may be nstalled regardless the room volume and ventlaton type).
Also, they may be nstalled at partally protected areas such as balcony,
terrace provded that beng placed n protectve cabnets and takng requred
precautons aganst frost of nstallaton water.
Comb should be soundly nstalled to buldng wall. Flexble connecton
pece should be used between the comb and gas lne. Flex lengths to be
used n A, B and C type devces should not exceed dmensons allowed by
local gas authortes. Flue outputs of hermetc combs must be connected to
places open to exteror and havng ar crculaton. Installaton (postons of
ppe output openng based on varous forms, vertcal, horzontal mnmum
dstances, cross secton areas of channels f gven to channels, etc.) must
be carred out accordng to regulaton standards, current legslaton and
n complance wth local techncal regulatons and the requred techncal
procedures.
2.2.2. Places Not Suitable for Installing Hermetical Combi Boilers
Starways of Buldngs,
• Corrdors avalable for general use, ventlaton ways and shafts, lofts, attcs,
emergency ext doors, cellars, hall and smlar places creatng common use
areas,
• Yards between buldngs,
• Narrow cornce dstances,
• Over flue walls,
• Enclosed balcones,
• Open balcones (except beng located n the cabnet and permsson of the
devce company),
• Below protrudng structure parts preventng exhaust gas output,
• Places those may be drectly subjected to wnd resstance,
• It s forbdden to nstall Hermetc comb (C type) to openngs provdng
clean ar to other unts!
2.2.3. Wall Installation of Combi and Selecting the Installation Place
• It should be controlled and ensured that the wall nstallaton of the comb
s sound and relable.
• The hanger plate gven as standard wth the comb should be nstalled
accordng to the technque to full or sem-full brck wall accordng to
nstallaton scheme and wth connecton screws and not to be used for
other purposes.
• In case of usng derent materals for nstallaton, comb shall be out of
the warranty scope.
• If the wall of nstallaton s not a brck wall, ntally the relablty of support
system should be controlled.
• Comb should be nstalled on a wall resstant to fre.
• NOTICE: Combustble and corrosve materals:
• Chemcally aggressve substances can corrode the applance and
nvaldate any guarantee.
• Do not store or use any combustble materals (paper, thnners, pants,
propellants, cleanng agents etc.) Keep the dstance mnmum 50 mm.
• Insde the cupboard contanng the applance or wthn the vcnty of the
applance.
• 1,8 - 2,2 m heght s recommended for nstallaton of the comb hanger
plate.
• For places wth lmted nstallaton place, comb should be nstalled
at mnmum 30 cm heght from ground and by leavng at least 5 cm
dstances from both sdes n order to allow easy nterventon of the servce
techncan.
• Comb nstallaton must not performed n envronments contanng
explosve, flammable substances and acd fumes
• Installaton cannot be made at near or on ovens, radators or heater
devces.
• Hermetc combs can be nstalled n furntures but at least 5 cm each
should be left at both sdes.
• If to be nstalled on the ktchen table or the set, at least 30 cm dstance
should be left under the comb.
• It s recommended to connect the output to dran lne wth a transparent
hose aganst the possblty of water leakage from Safety Valve of comb
durng nstallaton. If ths s not possble; do not place electronc devces,
delcate, corrodble devces, components and tools under the comb.
• Do not place/use any furntures below the comb due to above mentoned
reasons.
Make sure that there are no lquds or nflammable materals n the
mmedate vcnty of the boler.
It s necessary to leave a spesfc dstance 1.0 mt between the
heatng devce and the buldng materal contanng combustble materal
even the maxmum allowable temperature value of 85 °C n the rated heat
capacty of the applance s not exceeded.
Fgure 6 Boler mnmum dmensons n the cabnet *Mnmum clearances requred for servcng
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Fgure 8 Comb bottled gas connecton
2.2.4. Dimensions and Connections
2.2.5. Natural Gas and LPG Connection (Device Category I2H, II2H3P)
Our comb devces are manufactured to be operated wth methane gas
(G20) and L.P.G. Gas supply ppes should be equal to or hgher than 3/4"G
comb connectons. Pror to makng the gas connecton, a studous nternal
cleanng should be made to all fuel supply nstallaton ppe furnhshngs as
possble wastes may dstort smooth operaton and relablty of the comb.
It should be controlled whether the gas dstrbuted from the man lne s as
envsaged (see the table on the comb devce).
In case of havng derences, an nterventon should be made on the comb
and converted to other gas type (consult our authorzed servces n case
of gas change). Also, n case of beng nadequate, the network dynamc
pressure (methane or LPG) to be used for supplyng the comb should be
controlled regardng the mpact on comb strength and dcultes possble
for the user. Ensure the correctness of gas valve connecton. Flammable gas
supply ppe should be able to supply correct adequate gas amount to the
boler when the comb s at full power and be projected and szed accordng
to local gas company specfcaton and nstructons n order to guarantee the
devce ecency. Connecton system should comply wth legal regulatons.
2.2.6. Flammable Gas Quality
The comb s desgned to be used wth pure fuel not contanng any foregn
substances; therefore, requred flter systems must be avalable n the gas
supply lne (for ensurng purfcaton of the fuel).
2.2.7. In Case of Using LPG Tank
LPG use s recommended for heat requrements over 24 kW. New LPG stock
tanks may contan settled gas resdues (ntrogen) however, that pauperses
the mxture assgned to that devce and cause abnormal operatons.
- Varous alloy layers may be formed durng stockng LPG gas n tanks
dependng on mxture compostons. That causes a change n heatng power
of mxture assgned to the devce and changes ecency of the devce.
2.2.8. In Case of Using Bottled Gas
• 300 mmSS pressurzed hood should be used for LPG.
• 500 mmSS hood should not be used.
• 370 mmSS pressurzed hood should be used for Propane.
• Do not place tubes at cold places havng rsk of snow for preventng frost
durng wnter months.
• Do not place tubes n hot places contanng ovens, freplaces for preventng
dangers!
• Do not make connecton wth sngle tube and use LPG collector set for
double, trple uses.
• The dstance between the collector and tube should be maxmum 125 cm.
• Copper ppe nstallaton should not used for dstances longer than 125 cm.
• Hose connecton ends should be tghtened wth clamp and no other tools
should be used.
• Gas nstallaton rules wth use of LPG tank and ndustral tubes should
comply wth local standards and to be performed by expert nstallaton
teams and certfed by the company undertakng the constructon. In case
of falng to fulfl these condtons, comb shall not be commssoned by
Warmhaus Authorzed Servces.
Fgure 7 Ewa comb dmensons and connectons
Warmhaus Ewa
A: Central heatng flow
B: Domestc hot water outlet
C: Gas nlet
D: Domestc hot water nlet
E: Central heatng return
F: Fllng valve
G: Manometer
H: Pressure relef valve outlet
I: Dran pont
J: Condansate dran
K: 230V 50HZ AC
LPG LPG
Ball Valve
COLLECTOR
370 mmSS
2 kg
Hood
12 kg or
24 kg
LPG TUBE
10 warmhaus.com
2.2.10. Installation at Partially Protected Exteriors
Installaton nstructons: Ths comb can be nstalled n partally protected
exterors. Partally protected place means that the comb s located at places
wthout drect exposure to atmospherc factors and precptatons (ran,
snow, etc.).
Frost protecton: Comb devce s equpped wth a system that prevents frost
by automatcally actvatng the pump and boler when the nternal water s
lower than 5°C.
Frost protecton functon only depends on below gven condtons:
- If the comb s correctly connected to gas and electrcal sources;
- If the comb s suppled from gas and electrcty sources (f the man swtch
s open) n a fxed way;
- If the Comb s not n falure stuaton due to lack of gnton;
- In order to mantan crculaton of nstallaton water, nstallaton valves and
radator valves under the comb must be open.
Under these condtons, the comb s protected aganst frost up to -5°C
envronment temperature.
Lowest Temperature -5°C. In case the comb s nstalled n an envronment
wth a temperature lower than -5°C, and gas supply s nterrupted or passed
nto falure due to falng to make gnton, Frost Preventon System shall not
be actvated and frost/falure shall occur n the devce. Followng nstructons
should be followed for preventng the rsk of frost:
- Heatng crcut, nto antfreeze (specal heatng devces) a good brand of
antfreeze manufacturer's nstructons are followed carefully so as t deems
necessary for the rate and the mnmum temperature s desred to be stored n
the heater frost protecton wth the matter.
Materals used for manufacturng the comb are resstant aganst glycol and
propylene based ant-frost lquds. Follow warnngs of suppler company
regardng ther lves and possble dsposals.
Frost / cng protecton of the comb s guaranteed only under these
condtons:
Damages arsng from falng to follow above mentoned ssues and
nterrupton of electrcty supply shall be excluded from valdty of the
warranty.
In case the comb devce s nstalled at places wth temperature lower than
0°C (both for tap water ad radator purposes) both radator nstallaton and
tap water ppes must be nsulated.
2.2.11. Electrical Connections
Electrcal safety of comb shall be realzed f completely connected to an
eectve earthng nstallaton that follows safety nstructons n force. No
earthng shall be made from the neutral lne on the socket for places not
havng earthng! It s dangerous and unacceptable to use gas and water
connecton ppes for earthng.
WARMHAUS A.Ş. cannot be held as responsble for any damages and
losses on ndvduals or commodtes arsng from falng to provde
earth connecton of the comb and not beng provded by a competent
electrcan n accordance wth drectves and standards n force.
Also, ensure that the electrcty nstallaton comples wth the maxmum power
to be suppled as ndcated n techncal specfcatons label on the comb. Comb
s gven wth "X" type socketless specal power source cables. "Warmhaus comb
has an IPX5D protecton level. Power supply cable should be connected by relyng
on earth connecton and L-N poles n a 230 V +%10; -%15 50Hz grd, hgh voltage
category 3rd class multple pole dsconnector should be envsaged on the same
grd. Apply out Authorzed Warmhaus Servce for replacement of the cable.
2.2.9. Filling the siphon for Condensation Line
After the wall hangng operaton of condensng comb, electrcal connectons,
radator lnes, hot tap water connectons and condensaton water dranage
lne are completed, condensaton sphon should be flled wth water (Fgure
9).
Condensaton lne dran lne mpermeablty should be mantaned.
However, pror to nstallaton of the flue bend of the sphon n the
comb, dscharge 1 ltre water to the nternal flue aganst the
possblty of flue gas leakage possblty at frst start. Thus, waste gas leakage
possblty shall be prevented wth the water avalable n sphon.
Slope of condensaton water hose and lne must be always towards down.
Attentons For Condensate Dran:
FAILURE TO INSTALL THE CONDENSATE DISCHARGE PIPEWORK
CORRECTLY WILL AFFECT THE RELIABLE OPERATION OF THE BOILER
1. Ensure the dscharge of condensate comples wth any natonal or local
regulatons n force.
2. The dscharge ppe should be run n a propretary dran ppe materal e.g.
PVC, PVC-U, ABS, PVC-C or PP.
3. Metal ppework s NOT sutable for use n condensate dscharge systems.
4. Any condensate dscharge ppework external to the buldng (or n an
unheated part of t e.g. garage) must be nsulated to protect aganst frost.
5. In all cases dscharge ppe must be nstalled to ad dsposal of the
condensate. To reduce the rsk of condensate beng trapped, as few bends
and fttngs as possble should be used.
6. When dschargng condensate nto a sol stack or waste ppe the eects
of exstng plumbng must be consdered. If sol ppes or waste ppes are
subjected to nternal pressure fluctuatons when WC's are flushed or snks
empted then back-pressure may force water out of the boler trap and
cause applance lockout.
7. Condensate outlet shall not be modfed or blocked always be downwards.
Fgure 9 Fllng the condensaton sphon
1 lter
11
warmhaus.com
Power supply cable should follow the defned route. In case fuses on the
adjustment card are replaced, please use 2A or 3,15A speed type fuses.
In order to feed the devce from the general electrcty grd, adapter,
multple sockets and extenson cables are not allowed to use.
2.2.12. Optional Controls: Room Thermostat, Outside Sensor and Others
Room thermostat, Outsde Temperature Sensor, etc. control devces must be
connected to Warmhaus comb devces by the authorzed servce personnel;
n case connectons are performed by unauthorzed persons, comb warranty
shall be vod.
Room thermostat, Outsde Temperature Sensor, etc. control
devces are provded as optonal accessores for Warmhaus comb
devces and they must be Warmhaus approved.
Please follow user's nstructons for placement of Outsde Temperature
Sensor.
Ths sensor can be drectly connected to electrcal nstallaton of the comb,
and t automatcally reduces the maxmum return water temperature n the
nstallaton when exteror weather temperature rses for enablng functonng
accordng to outsde temperature changes sent to radator nstallaton.
Outsde Temperature Sensor s actvated when connected as ndependent
from the used room thermostat typology and functons as common wth
room thermostats. The relaton between nstallaton nput temperature and
exteror weather temperature s defned accordng to curves n the dagram
from poston of the button located on the panel of comb (or on the control
panel f connected to comb (Fgure 47).
Electrcal connecton of the Outsde weather temperature Sensor shall be
made to the termnals to whch the Whte & Whte cables of the Aux cable
connected to the electronc card of the boler are connected (Fgure 10).
Fgure 10 Comb room thermostat and Outsde Temperature Sensor connectons
TO PCB
TERMİNAL
ORANGE
WHITE
A
WARNING: REMOVE THE BRIDGE WIRE FROM THE ROOM THERMOSTAT/TIMER
THERMINAL WHEN THE TIMER OR OPENTHERM CONNECTED THE BOILER!
24V AC
G S M
THERMOSTAD BRIDGE
OPENTHERM
CONNECTION
OUTSIDE TEMP.
SENSOR CONNECTION
WHITE
ORANGE
WHITE
GREEN
GREEN
ORANGE
OPEN THERM
CONNECTION
OUTSIDE TEMP.
SENSOR
A
PCB
PCB
PCB
B
B
TO PCB
TERMİNAL
ORANGE
WHITE
A
WARNING: REMOVE THE BRIDGE WIRE FROM THE ROOM THERMOSTAT/TIMER
THERMINAL WHEN THE TIMER OR OPENTHERM CONNECTED THE BOILER!
24V AC
G S M
THERMOSTAD BRIDGE
OPENTHERM
CONNECTION
OUTSIDE TEMP.
SENSOR CONNECTION
WHITE
ORANGE
WHITE
GREEN
GREEN
ORANGE
OPEN THERM
CONNECTION
OUTSIDE TEMP.
SENSOR
A
PCB
PCB
PCB
B
B
12 warmhaus.com
COMBI CONTROL ACCESSORIES
RC07 Modulated, Weekly Program Scheduled, Cable room thermostat
Product code: 153.11.660.600020
WDHS-01 External Weather Temperature Sensor
Product code: 153.11.660.600001
WT-08 Large Screen, Modulated, Weekly Program Scheduled, Cable room
thermostat
Product code: 153.11.660.600021
WT-RF03 Large Screen, Modulated, Weekly Program Scheduled, Wreless
room thermostat
Product code: 153.11.660.600022
150 cm
Min.
30 cm
Room thermostat shall be
mounted 1,25 to 1,5 m above
the ground.
It shall be mnmum 30 cm
away from any doors or
wndows allowng arflows.
Instructon for Installaton: Installaton
of the applance shall be carred out only
by Warmhaus Authorzed Servce. The
dual cable requred for nstallaton shall be
provded by the dealer/customer.
Fgure 11 Poston of thermostat
13
warmhaus.com
Fgure 12 Comb general nstallaton scheme
2.3. HYDRAULIC INSTALLATION RULES
2.3.1. Radiator and DHW Installations
Radator ad ground heatng nstallaton should be constructed n accordance
wth legstaton n force techncal specfcatons and heat loss calculaton.
Radator type and amount and ground heatng nstallaton ppe amount
should comply wth the heat loss calculaton.
• Radator nstallaton should be desgned as resstng to at least 6 bars.
• If the cty grd pressure s hgher than 6,5 bars, pressure reducer must be
nstalled.
• It s recommended to construct the radator nstallaton as double lne and
wthout usng bends and jonts as much as possble.
• Straner flter must be nstalled n radator return and tap water (cty grd)
nput lne.
• For example; as the radator cycle's 8 ltres expanson (24 kW) tank
can support maxmum (80 °C n radator system) 140 ltre and (55.C n
ground heatng system) 170 ltre nstallaton water expanson, addtonal
expanson tank should be used for larger nstallaton volumes. 170 ltre
nstallaton water expanson, addtonal expanson tank should be used for
larger nstallaton volumes.
• If the room thermostat and thermostatc radator valve shall be used
together; thermostatc valve should not be nstalled n radators n the
place where room thermostat s avalable!
• Cross connecton must be made for ecent functonng n radators
longer than 1,5 m.
• Covers should be used for radator and hot tap water wall passages and
fxed wth wall clamps for preventng slopes n expansons due to heatng.
• Comb can functon under mnmum 0,5 bar tap water pressure and that
corresponds to a very low flow rate and therefore, t shall not possble to
adjust the requested tap water temperature. For ths reason, tap water
lne should be nstalled at shortest dstance wth ppe havng at least ½”
nternal dameter and by usng bends as low as possble. At least 1 bar
pressurzed grd nput water should be suppled for acqurng the comfort
requested n the hot tap water. Hydrophore should be used f requred.
• Pror to fllng the radator nstallaton, t must be flushed and all wastes
must be cleaned!
Warnng: In order to prevent nvaldty of devce warranty pror to
makng comb connectons, clean resdues lkely to be occurred n
man heat exchangers (ppes, heater assembly, etc.) va dssolvent
or equal substances, otherwse they wll negatvely aect functonng of the
comb. In order to prevent lme scales n the radator nstallaton and therefore
faulty operaton of nstallaton, follow rules envsaged by standards regardng
domestc tap water and radator nstallatons.
Warnng: It s recommended to nstall a Ant-Lme Kt for preventng
occurrence of lme scales at places where water hardness s hgher
than 25 French degree n order to protect servce lfe and ecency
of the hot tap water heat exchanger.
2.3.2. Filling/Emptying Radiator Installation
Ensure that the pressure reaches to 1-1,5 bar n the Manometer ndcated wth
G symbol by rotatng the Fll Tap counter clockwse that s ndcated wth
F symbol n Lower Fgure 7 for fllng the closed crcut radator nstallaton
after nstallaton of the and close the Fllng Tap by rotatng clockwse and
dscharge ar of radators va ar dscharge valves.
Comb safety valve dscharge should be connected to a dscharge funnel.
Otherwse, safety valve shall be actvated and manufacturer shall not be
responsble due to water dscharge to the place of devce.
Dschargng the Condensaton Water
For dschargng the condensaton water produced by the devce, t should
be connected to waste water grd va at least Ø 24 mm ppes resstant to
acdc condensaton waters. Connecton of the devce wth waste water grd
should be made as preventng frost of the lqud contaned n the connecton
nstallaton. Pror to startng the devce, ensure that the condensaton
water s correctly dscharged; then verfy that the sphon s flled through
condensaton at frst start (parag. 2.2.10). Also, nstructons n force, natonal
and local arrangements should be taken nto consderaton for dscharge of
waste waters.
Heatng Return (cold) Cty water lne
Heatng
Flow
(hot)
Condensaton
water outlet
14 warmhaus.com
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INSTALLATION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Fgure 15 Outsde Connecton of Condensate Water Dranage Ppe
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INSTALLATION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Fgure 16 Typcal Connecton Method of a Condensate Water Dranage Ppe (refer to
detaled nstructons of the pump manufacturer)
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INSTALLATION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Fgure 17 Connecton of Condensate Dranage to Dranage and Ventlaton Ppe
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INSTALLATION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Fgure 18 Connecton of Condensate Dranage to Ran Water Dranage
Min Ø 19 mm
Min Ø 19 mm
Drainage and Ventilation Pipe
≥ 100
Figure 2.23
Connection of Condensate Drainage Pipe to
Internal Soil & Vent Stack
Figure 2.24
Connection of a Condensate Drainage Pipe
Downstream of a Sink, Basin, Bath or Shower Water Trap to
Internal Soil Vent Stack
Minimum
connection
height
up to 3
storeys
Sink/basin/
bath or
shower
Drainage and Ventilation Pipe
Fgure 13 Connecton of the Condensate Water Dranage Ppe to Internal Dranage
and Ventlaton Ppe
Min Ø 19 mm
Min Ø 19 mm
Drainage and Ventilation Pipe
≥ 100
Figure 2.23
Connection of Condensate Drainage Pipe to
Internal Soil & Vent Stack
Figure 2.24
Connection of a Condensate Drainage Pipe
Downstream of a Sink, Basin, Bath or Shower Water Trap to
Internal Soil Vent Stack
Minimum
connection
height
up to 3
storeys
Sink/basin/
bath or
shower
Drainage and Ventilation Pipe
Fgure 14 Connecton of Condensate Water Dranage Ppe at Indoor Bathroom
Dranage Lower Level
15
warmhaus.com
Fgure 20 Pump wth Automatc Ar Vent Valve and modulaton.
COMPLY WITH
THE NEW EUROPEAN
DIRECTIVE FOR
ENERGY EFFICIENT
PRODUCTS
2.3.3. Circulation Pump
As Prwa and PrwaPlus combs are equpped wth 3 a pump havng 3 speed
levels and Prwa ErP, Prwa ErP Plus, Enerwa and EnerwaPlus combs are
equpped wth a pump havng frequency converter, t should be controlled that
the pump ensures requred flow rate dependng on the crtc lne pressure loss.
2.3.4. Controls for Initial Operation of Combi
In order to keep the comb wthn scope of warranty; frst start must be
performed by Warmhaus Authorzed Servce. Below gven ntal preparatons
should be performed pror to authorzed servce appontment request:
- Gas openng approval certfcate should be taken from the local gas
company for your gas lne,
- Comb electrcty connecton should be made va 2 or 3 Amps fuse.
Fgure 22 Ewa 28 & Ewa 33 pump Flow Rate / Pressure graphc
Fgure 21 Ewa 24 pump Flow Rate / Pressure graphc
- Ensure that no electrcty nterrupton s avalable at your home.
- Ensure that no grd water nterrupton s avalable at your home.
- Ensure that water s suppled to radator nstallaton and 1,2 - 1,5 bar
pressure s seen n the comb manometer.
27
Installation and Servicing
SECTION 2 - INSTALLATION
Outdoor flusher
Condensate Water Drainage Pump
(Refer to detailed instructions of the pump manufacturer)
Min Ø 19 mm
Inner
Pipe
75
Min Ø 19 mm
Inner pipe
Min Ø 30 mm
Inner pipe
Air hole
Combined waster
and rain water
drainage pipe
43 mm 90º
male/female bend
Water / Air
proof
insulation
68 mm Ø PVCU
Fitting
Min Ø 19 mm
Min Ø 30 mm Drainage pipe with water
and air insulation
Maximum length of
the outer pipe
shall be 3 m.
Insert the drainage pipe
at least 25 mm into the tube
located outdoors
Pebble
≥ 500
≥ 25
Required
distance for
minimum 3-storey
buildings
Drainage and
Ventilation Pipe
Min Ø 19 mm
Water / Air proof
insulation
Outdoor flusher
Min Ø 19 mm
Inner pipe
75 mm flusher
bathroom/shower
drainage combined
with other drainage
lines
Minimum 30 mm
Inner pipe
Water / Air
proof
insulation
≥ 25 Distance under grid
45º pipe
termination
75
≥ 100
Figure 2.25
Connection of a Condensate Pump Typical
Method (see manufacturers detailed instructions)
Figure 2.26
Connection of condensate Drainage Pipe to
External Soil & Vent Stack
Figure 2.27
Connection of a Condensate Drainage Pipe to an
External Rainwater Downpipe (only combined foul/rainwater
drain)
Figure 2.29
Connection of a Condensate Drainage Pipe to an
External Purpose Made Soak Away.
Figure 2.28
Connection of Condensate Drainage Pipe
Upstream of a Sink, Basin, Bath or Shower Waste Trap to
External Drain, Gulley or Rainwater Hopper
INSTALLATION
CONDENSATE............ CONT’D
45º cross-
sectional drainage
pipe outlet
Open air flusher
Fgure 19 Connecton of Condensate Dranage to Ran Dranage Lne through Snk,
Bathtub or Shower Dranage Ppe
16 warmhaus.com
1. Flue Outlet
2. Flue Condensaton Pan
3. Condensaton Water Dscharge Hose
4. Man Heat Exchanger
5. Ignton Electrode
6. Ar Gas Mxng Unt (AGM)
7. CH NTC Sensor
8. Condensaton Water Trap (Sphon)
9. Radator Outlet (Flow) Ppe
10. Three Way Motorzed Valve
11. Condensaton water Dscharge Hose
12. Low Pressure swtch
13. Expanson Tank Ar Valve
14. Flue Gas NTC Sensor
15. Expanson Valve
16. Gas Inlet Ppe
17. CH Return NTC Sensor
18. Pump
19. DHW Plate Heat Exchanger
20. 3 Bar safety Valve
21. Manometer
22. Gas Valve
23. Heat Exchanger Door
24. Electronc Fan
25. Automatc ar relef Valve
26. Control Panel
27. Tap Water Flow Sensor
28. Slncer
29. Radator Inlet (Return) Ppe
30. Fllng Tap
2.3.5. Parts Comprising the Combi
2.4. COMBI FLUE CONNECTIONS
2.4.1. Exhaust Gas Flue Pipe Set and Accessories Connection
Flue accessory sets to be used n exhaust gas nstallaton of
hermetc comb should be orgnal Warmhaus flue sets and they
should be used by consderng measurements and restrctons
gven n nstallaton nstructons.
In case of usng exhaust gas ppe and/or accessores other than
Warmhaus orgnal exhaust gas flue ppes and accessores, comb
shall not be commssoned by the Authorzed Servce and thus, no
warranty s gven!
Warmhaus provdes derent solutons for placng exhaust gas dscharge and
ar sucton ppes n addton to the comb and comb shall not be operated
wthout them.
Fgure 24 Warmhaus logo s avalable on the flue bend.
Comb should only be nstalled wth orgnal Warmhaus ar sucton and
exhaust gas dscharge devce made of plastc materal. Plastc channels
cannot be nstalled wthout sutable protecton aganst UV and weather
condtons to dstances over 40 cm and exterors. Every ppe s defned wth
an explanatory and dscrmnatve Warmhaus mark mentoned n remarks.
See Fgure 24.
Flue should be nstalled n accordance wth natonal and local drectves.
Fgure 23 Components of Comb
17
warmhaus.com
2.4.2. COMBI FLUE CONNECTION TYPES
Fgure 28 Hermetc vertcal splt flue connecton.
Fgure 26 Hermetc concentrc and vertcal splt
flue connecton.
Fgure 27 Vertcal Type Hermetc Use wth Splt
Flue Set
Fgure 30 Exhaust gas dscharge through the
buldng chmney and fresh ntake from the
buldng chmney wth splt flue sets
Fgure 29 Buldng chmney connecton wth hermetc
splt flue
Dscharge wth homocentrc flue connecton
Dscharge to buldng chmney and fresh ar ntake wth
splt flue connecton
For room sealed applances of the type C8 bolers
a) overheat combuston products temperature; < 105 C°
b) G20 : CO2-content; 9.00 % ( tolerance +%0,5 / -0,5%);
G30 / G31: CO2-content; 10.00 % ( tolerance +%0,5 /
-0,5 %)
c) characterstcs of the chmney to whch the boler may
be connected, accordng to fg 13.
d) condensate flow nto the applance s not allowed.
Exhaust gas discharge through the building chimney and
fresh intake from outside with split flue sets
For room sealed appliances of the type C6 boilers
overheat combustion products temperature for flue;
< 105 °C G20 : CO2 content at nominal operating
conditions; 9.00 % (tolerance : +%0,5 / -0,5 % ) G30 /
G31 : CO2-content; 10.00 % (tolerance : +%0,5 / -0,5 %)
maximum allowable draught and maximum allowable
pressure dierence between combustion air inlet and
flue gas outlet (including wind pressures); 120 Pa.
characteristics and the applications of the duct system
to which the boiler can be connected; condensate flow
into the appliance is not allowed. Maximum allowable
temperature of combustion air; 40 C° maximum allowable
recirculation rate of 10 % under wind conditions.
Attention: The terminals for the supply of combustion air
and for the evacuation of combustion products shall not
be installed on opposite walls of the building.
Exhaust gas dscharge through the buldng
chmney and fresh ntake from outsde wth splt
flue sets
Exhaust gas dscharge and fresh ar ntake wth
concentrc flue kt and splt flue kts
For room sealed applances of the type C5 bolers
Attenton: The termnals for the supply of combuston
ar and for the evacuaton of combuston products
shall not be nstalled on opposte walls of the buldng.
Exhaust Gas Dscharge Fresh Ar Intake wth Splt
Flue Sets
The termnal outlets from separate combuston
and ar supply crcuts shall ft nsde a square of 50
cm and that the dstance between the planes of
the two orfces shall be less than 50 cm.
Air
Exhaust Gas
Fgure 25 Hermetc (Concentrc) and Flue (Splt-Flue
type
C13
C53
C53 C33
B23
C
C83
18 warmhaus.com
No place of the output flue should be blocked and not prevent other
connectons. If the output ppe passes 1000 mm nearby of a plastc or panted
groove or 500 mm of panted frnges, an alumnum sheld wth at least 1000
mm length should be placed below the groove or frnge. Output ppe should
be at least 2 m over surfaces those may be reached by ndvduals.
Under certan weather condtons, output ppe may emt water vapour;
nstallaton should not be performed at places where ths vapour may cause
dscomfort.
Fgure 31 Exhaust gas dscharge through the buldng chmney and fresh ntake from the buldng chmney wth splt flue sets
Attention: The mnmum usable dameter must not
be under 80 mm or equvalent for the vertcal duct
supplyng the combuston ar.
Attention:
a) nomnal workng combuston product temperature : > 70°C max condtons
b) overheat combuston products temperature : 105° C
c) the mnmum length of the specfed connectng ducts; 1 mt / maxmum length of the specfed
connectng ducts; 10 mt
d) For sze/shape of the end of the fttng please refer 2.2.14. Installaton wth Vertcal Flue Sets page 13,
Fg.26.
e) Please re adjust TsP Paramater P22 = Flues gas ppe length ( value 1 = 1 meter ) accordng to actual flue
lenght
f) Its MUST to use NON RETURN valve ON the flue gas system.
g) non-return valve functon has to be checked annually by authorsed servce.
Information for the design of the common duct system for a type C(10) boiler
a) The boler s desgned to become connected to a common duct system that s desgned to operate
where the statc pressure n the common flue duct mght exceed the statc pressure n the common ar
duct by 25 Pa under the condton that n-1 bolers are runnng at maxmum nomnal heat nput (Qn,max)
and 1 boler at the mnmum heat nput allowed by the controls
b) combuston product mass flow rate at maxmum nomnal heat nput are gven techncal table.
c) combuston product mass flow rate at mnmum heat nput allowed by the controls are gven techncal
table.
d) G20 : CO2 or O2 content of the combuston products at nomnal operatng condtons 9 % ( +0,5/-0,5 )
G30 / G31 : CO2-content; 10.00 % ( tolerance : +%0,5 / -0,5 % )
e) mnmum allowable pressure derence between combuston product outlet and ar nlet shall be
declared as -200 Pa (ncludng -100 Pa wnd pressure).
General for connection of a type C(10) boiler to a common duct system
Characterstcs and the applcatons of the common duct system to whch the boler can be connected,
wth at least the followng nformaton:
a) the flue duct system shall be CE marked and comply wth EN 15502 standart 12.2.1.4.111.2;
b) nomnal combuston products temperature for dmensonng the common duct system shall be
declared as 25 °C;
c) the combuston product mass flow rate at maxmum heat nput shall be specfed for every connecton
pont; the termnal of the common duct shall be desgned to nduce a draft;
d) condensate flow nto the boler s allowed;
e) maxmum allowable recrculaton rate of 10 % under wnd condtons;
f) the maxmum allowable pressure derence between combuston product nlet and ar outlet of the
common duct system shall not be exceeded when n-1 bolers are runnng at maxmum nomnal heat
nput (Qn,max) and 1 boler at the mnmum heat nput allowed by the controls;
g) the common flue duct shall be approprate for an overpressure of at least 200 Pa;
h) the duct system shall not nclude a draft dverter.
Warning: the boler f t s nstalled as a C (10) boler and IF / when the boler s dsconnected the ar
outlet and the combuston product nlet openngs shall be closed and checked on tghtness.
C
Exhaust gases should be prevented from enterng flue ventlaton spaces.
Flue system of comb may be nstalled from nsde the room wthout requrng
nterventon from the external wall. For that reason, a housng should be
nstalled n the wall for lnng the nternal surface of channel wheren the
output ppe passes through the wall, partcularly for thck walls.
C10
19
warmhaus.com
2.4.3. Peripheral Distances of Flue Output Connections
In order to poston the flue set output ppe
2.4.4. Installation with Horizontal Flue Sets
Connectng Horzontal Homocentrc Flue Set to the Comb, (orgnal
dameter DN 60/100 mm)
Snce your comb s hermetc model, t takes the used ar from exteror and
dscharges exhaust gases created as the result of burnng through the same
flue group. In order to prevent emsson of excessvely harmful exhaust gases,
flue usage and nstallaton s very mportant, therefore warnngs should be
taken nto consderaton when flue connectons are beng performed.
• Make requred flue selecton for the flue connecton to be made externall
and nstallaton place of the comb. If the standard flue set s not
adequate, please select most sutable elements from our lst of connecton
accessores consderng warnngs gven n our user's gude.
• Fx the flange under the Bend pece (1) by usng the Flange Bolt (10) va
Flange Connecton Screws (11) to holes on the comb.
• 2 mpermeablty bolts wthn the hermetc flue set (2) are placed nto
nternal ppe slots at both ends of the 90° Bend.
• Place the exteror wall (EPDM) bolt nto the flue termnal as seen n Fgure
19 for groupng the flue output termnal. After placng the flue output
termnal through exteror of wall and the prevously opened hole, fx the
Interor Wall Connecton Bolt (7) nto the flue termnal.
300 min
Terminal
Assembly
Top View Rear Flue
Property Boundary Line
*
N
I
I
G
F
M
I
AAF
H
J,K
D
E
H
C
RA
I
J,K
I
L
S
B
T
U
Likely flue positions requiring
a flue terminal guard
Fgure 32 Envronmental locatons of flue
Termnal Poston wth Mnmum Dstance (mm)
A1Drectly below an openng, ar brck, openng wndows, etc. 300
B1Above an openng, ar brck, openng wndow etc. 300
C1Horzontally to an openng, ar brck, openng wndow etc. 300
D2Below gutters, sol ppes or dran ppes. 25 (75)
E2Below eaves. 25 (200)
F2Below balcones or car port roof. 25 (200)
G2From a vertcal dran ppe or sol ppe. 25 (150)
H2From an nternal or external corner. 25 (300)
IAbove ground, roof or balcony level. 300
JFrom a surface or boundary lne facng a termnal. 600
Termnal Poston wth Mnmum Dstance (mm)
KFrom a termnal facng a termnal (Horzontal flue).
From a termnal facng a termnal (Vertcal flue).
1200
600
LFrom an openng n carport (e.g. door, wndow)
nto the dwellng.
1200
MVertcally from a termnal on the same wall. 1500
NHorzontally from a termnal on the same wall. 300
RFrom adjacent wall to flue (vertcal only). 300
SFrom an adjacent openng wndow (vertcal only). 1000
TAdjacent to wndows or openngs on ptched and flat roofs 600
UBelow wndows or openngs on ptched roofs 2000
1 In addton, the termnal should be no nearer than 150 mm to an openng n the buldng fabrc formed for the purpose of accommodatng a bult-n element such as a wndow frame.
2 Only ONE 25mm clearance s allowed per nstallaton. If one of the dmensons D, E, F, G or H s 25mm then the remander MUST be as shown n brackets, n accordance wth B.S.5440-1.
NOTE: The dstance from a
fanned draught applance
termnal nstalled parallel to
a boundary may not be less
than 300 mm n accordance
wth the dagram below
20 warmhaus.com
a- Standard Flue Set Bend (90°)
b- Flue Extenson Ppe (L1)
c- Addtonal 45° Bend
d- Standard Flue Set Ppe (L2)
e- Addtonal 45° Bend
f- Standard Flue Set Ppe (L3)
Fgure 37 I. Sngle 90° bended sample flue nstallaton
(Ø60/100 mm) Lmax = 10 m
Fgure 39 III. Sngle 90° and two 45° bended sample flue
nstallatons
d
f
e
b c
a
a + b + c + d + e + f < 9 m.
Place other end of EPDM connecton gasket to
flue output termnal. Pay attenton to correct
placement of gaskets:
• Clck-ft gasket for concentrc extenson ppes
and bends. In order to connect possble
extenson connectons of exhaust gas flues
wth other elements of flues: Connect from
concentrc ppe or concentrc bend male
part (flat) to female part of the prevous
pece (gasket sde), n such case ensure that
requred stamp s placed, therefore the pece
mantanng tghtness and the set shall be
combned.
When t s requred to shorten the
dscharge flue and/or extenson,
consder that nternal ppe should
protrude 5 mm when compared wth the external
ppe.
For securty purposes, comb sucton /
dscharge flue should not blocked even
temporarly.
1. 90° bend
2. Sealng gasket
3. Sealng gasket
4. Centerng wre
5. Exteror flue ppe
6. Interor wall closng flange
7. Exteror wall closng flange.
8. Interor flue ppe
9. 60 sealng gasket
10. Protecton cage
11. Flange gasket
12. Flange connecton screws
13. Control measurement cork
14. Fresh ar control cap
Fgure 33 Hermetc comb homocentrc flue set.
Fgure 34 Installaton of flue
set peces
Fgure 35 Hermetc comb concentrc flue wall
output.
Total length of hermetc flue set should not exceed 10 m wth sngle bend horzontally. Also, ths total
length reduces by 1 m wth every 90°bends or two 45° bends. Maxmum 3 peces of 90° bend can be used.
a- Standard Flue Set Bend (90°)
b- Flue Extenson Ppe
c- Addtonal 90° Bend
d- Standard Flue Set Ppe
Fgure 38 II. Two 90° bended sample flue nstallatons
d
a
b
c
a + b + c + d < 9 m.
3o
Fgure 36 Condensng comb flue
tranng
Durng nstallaton of horzontal
ppes, the ppe slope should be
kept at 3% upwards as mnmum
and dowel at every 3 meters and holder
clamps should be used.
A
A
a d
b
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Warmhaus EWA 24 Installation & User Manual
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