CLIMAVENETA BWR 0101 MTD Installation and User Manual

Category
Heat pumps
Type
Installation and User Manual
INSTALLATION - USER - MAINTENANCE MANUAL
Reverse-cycle water/water or ground
source heat pumps with domestic hot
water production up to 55°C
GB
WWR MTD - MTD/s
BWR MTD - MTD/s
0011÷0121
2WWR MTD - BWR MTD GB 03/2010
User
Installer
Assistance
Important
Prohibition
Danger voltage
Danger high temperatures
The manufacturer reserves the right to modify the data in this manual without warning.
Eurovent certification program.
The following symbols are used in this publication and inside the unit:
General warnings 3
Waiver of liability 3
Fundamental safety rules 3
Receiving and handling the product 4
Description of the unit 5
Dimensional drawings 6
Installation 7
Water connections 7
Water circuit data 10
Operating diagrams 12
Electrical connections 14
Mains power supply connections 16
Installer connections
Operating characteristics 19
General technical data 27
Sound pressure 31
Operating limits 33
Checking and starting up the unit 34
HSW12 functions 35
LEDs and display 36
Displaying alarms 48
Peak limiter alarm signals 50
Shutting down for long periods 50
Routine maintenance 50
Special maintenance 51
Troubleshooting 52
Useful information 53
U I A
A
AI
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IU A
A
A
A
AI
A
A
A
A
A
AI
I
U
U I A
UIA
I A
I A
I
UIA
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IA
IA
I A
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A
INDEX
3
GB 03/2010 WWR MTD - BWR MTD
GENERAL WARNINGS U I A
FUNDAMENTAL SAFETY RULES U I A
WAIVER OF LIABILITY U I A
These appliances have been designed to chill and/or
heat water and must be used in applications compatible
with their performance characteristics; these appliances
are designed for residential or similar applications.
Incorrect installation, regulation and maintenance or
improper use absolve the manufacturer from all liability,
whether contractual or otherwise, for damage to people,
animals or things.
Only those applications specifically indicated in this list
are permitted.
Read this manual carefully. All work must be carried out
by qualified personnel in conformity with legislation in force
in the country concerned.
The warranty is void if the above instructions are not
respected and if the unit is started up for the first time with-
out the presence of personnel authorised by the Company
(where specified in the supply contract) who should draw up
a “start-up” report.
The documents supplied with the unit must be consigned
to the owner who should keep them carefully for future con-
sultation in the event of maintenance or service.
All repair or maintenance work must be carried out by the
Company’s Technical Service or qualified personnel follow-
ing the instructions in this manual.
The air-conditioner must under no circumstances be modi-
fied or tampered with as this may create situations of dan-
ger. Failure to observe this condition absolves the manufac-
turer of all liability for resulting damage.
When operating equipment involving the use of electricity and water, a number of fundamental safety rules must be observed,
namely:
This publication is the sole property of Climaveneta. Any
reproduction or disclosure of such is strictly prohibited with-
out the written authorisation of Climaveneta.
This document has been prepared with maximum care and
attention paid to the content shown. Nonetheless, Cli-
maveneta waives all liability deriving from the use of such
document.
Read this document carefully.
All work must be performed, components selected and
materials used in complete accordance with the legislation
in force in material in the country concerned, and consider-
ing the operating conditions and intended uses of the sys-
tem, by qualified personnel.
The unit must not be used by children or by unfit per-
sons without suitable supervision.
Do not touch the unit with bare feet or with wet or
damp parts of the body.
Never perform any cleaning operations before having
disconnected the unit from the mains power supply.
Do not modify safety or control devices without authori-
sation and instructions from the manufacturer.
Do not pull, detach or twist the electrical cables coming
from the unit, even when disconnected from the mains
electricity supply.
Do not open doors or panels providing access to the
internal parts of the unit without first switching the unit
OFF.
Do not stand or sit on the unit and/or rest objects of any
kind on top of it.
Do not spray or throw water directly on the appliance.
Do not dispose of, abandon or leave within reach of
children packaging materials (cardboard, staples, plastic
bags, etc) as they may represent a hazard.
Respect safety distances between the unit and other
equipment or structures. Guarantee adequate space for
access to the unit for maintenance and/or service opera-
tions.
Power supply: the cross section of the electrical cables
must be adequate for the power of the unit and the pow-
er supply voltage must correspond with the value indicat-
ed on the respective units. All units must be earthed in
conformity with legislation in force in the country con-
cerned.
Water connections should be carried out as indicated in
the instructions to guarantee correct operation of the
unit.
Add glycol to the water circuit if the unit is not used dur-
ing the winter or the circuit is not emptied.
The ground source circuit must contain a water-gly-
col mixture with a minimum of 20% and a maximum
of 40% ethylene glycol.
Handle the unit with the utmost care (see weight distrib-
ution table) to avoid damage..
4WWR MTD - BWR MTD GB 03/2010
When the items are consigned by the carrier, check that the
packaging and the unit are undamaged.
If damage or missing components are noted, indicate this on
the delivery note. A formal complaint should be sent via fax
or registered post to the After Sales Department within eight
days from the date of receipt of the items.
The units are delivered in a single pack on a wooden pallet
protected by plastic packaging.
The unit is supplied accompanied by the following material:
- instruction manual;
- guarantee certificate;
- CE declaration;
- list of the main components and sub-assemblies fitted on
the product, all enclosed in a plastic envelope attached to
the top of the unit.
- Vibration dampers fitted on all models, placed in a plastic
bag inside the unit;
- After removing the packaging, the unit must be handled by
qualified personnel only using equipment appropriate for
the weight of the unit, in compliance with the safety stan-
dards in force and subsequent amendments.
The instruction manual is an integral part of the unit
and should therefore be read and kept carefully..
The packaging should not be removed until the unit is
located in the installation site.
During transport, the unit should be kept in a vertical
position.
Do not dispose of packaging materials in the environ-
ment or leave them within reach of children as they may
represent a hazard
The unit must be stored sheltered from direct sunlight, rain,
wind or sand.
Avoid exposing the unit to direct sunlight, as the pressure
inside the refrigerant circuit may reach dangerous values
and cause the activation of the safety valves, where fitted.
Check the instructions on the packaging for stacking units.
The packaging must be removed by the operator using suit-
able protective equipment (gloves, glasses, etc.). Take spe-
cial care not to damage the unit.
Observe the local standards in force as regards disposal of
the packaging, using specialist collection or recycling cen-
tres.
RECEIVING AND HANDLING THE PRODUCT I A
Dimensions WWR-BWR 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121
L mm 750 750 750 750 750 750 750 880 880 880 880
P mm 700 700 700 700 700 700 700 900 900 900 900
H mm 1100 1100 1100 1100 1100 1100 1100 1205 1205 1205 1205
Gross weight kg 158 158 160 165 180 190 195 240 245 250 270
5
GB 03/2010 WWR MTD - BWR MTD
DESCRIPTION OF THE UNIT I A
12
8
13
11
10
3
5
6
9
2
7
1
1 Electrical panel
2 4-way reversing valve
3 Scroll compressor
4 Low pressure switch
5 High pressure switch
6 Heat exchanger, source
7 Heat exchanger, system
8 Liquid indicator
9 Thermostatic valve
10 Filter
11 Expansion vessel
12 System pump
13 Source pump (BWR version)
modulating valve (WWR version)
The reverse-cycle water-water units for groundwater and
brine-water units for geothermal loops operate with R410A
refrigerant fluid and are suitable for indoor installation.
They are factory tested and on site installation is limited to
water and electrical connections.
The units are CE marked, as established by the EU direc-
tives, including the latest amendments, and the correspond-
ing approximated national legislation.
VERSIONS AVAILABLE
WWR MTD
Reverse-cycle water/water heat pump with domestic hot water production.
Built-in water pump assembly for the system and two-way modulating valve for the source.
WWR MTD/s
Reverse-cycle water/water heat pump with domestic hot water production.
Built-in water pump assembly for the system and two-way modulating valve for the source.
Peak limiter for single-phase models.
BWR MTD
Reverse-cycle ground source heat pump with domestic hot water production.
Built-in water pump assembly for the system and source.
BWR MTD/s
Reverse-cycle ground source heat pump with domestic hot water production.
Built-in water pump assembly for the system and source.
Peak limiter for single-phase models.
DIMENSIONAL DRAWINGS I
6WWR MTD - BWR MTD GB 03/2010
Electrical connection input
Source water outlet
Source water inlet
System water inlet
System water outlet
Safety valve discharge
Rating plate
Electrical connection input
Source water outlet
Source water inlet
System water inlet
System water outlet
Safety valve discharge
Rating plate
VERSION 0011-0031
male fittings G3/4
VERSION 0071-0121
male fittings G1-1/4
VERSION 0071-0121
male fittings G1-1/4
VERSION 0041-0061
male fittings G1-1/4
positions the same for 0011-0031
0041-0061
0071-0121
DISTANCE BETWEEN SUPPORT FEET
975.2 (0011÷0061) 1102 (0071÷0121)
600 600
11
11
11 11
11
11
5
00
4
00
11
11
700
500
561.4
547
32.5
600
CLEARANCE
680
Dimension 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121
Water connections IN/OUT 3/4” 3/4” 3/4” 3/4” 1”1/4 1”1/4 1”1/4 1”1/4 1”1/4 1”1/4 1”1/4
Weight distribution BWR-WWR MTD
0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121
W1 rear R 29 29 30 31 34 35 36 46 47 48 52
W2 rear L 36 36 37 39 45 47 49 60 61 62 68
W3 front L 38 38 38 39 42 44 45 55 56 58 62
W4 front R 45 45 45 46 49 54 55 69 71 72 78
total in operation 148 148 150 155 170 180 185 230 235 240 260
total for transport 158 158 160 165 180 190 195 240 245 250 270
7
GB 03/2010 WWR MTD - BWR MTD
INSTALLATION U I A
CHOICE OF INSTALLATION SITE
Before installing the unit, agree with the customer the site
where it will be installed, taking the following points into consid-
eration:
- check that the support surface is adequate to support the
weight of the unit;
- respect safety distances between the unit and other equip-
ment or structures.
- The unit must be installed in a space designed to house tech-
nical installations dimensioned according to legislation in
force in the country concerned and large enough to allow
access for maintenance.
- Follow the instructions shown in the chapter on DIMENSION-
AL DRAWINGS to allow room for maintenance operations.
If installing multiple units the clearances must be doubled.
POSITIONING
Before handling the unit, check the capacity of the lift equip-
ment used, respecting the instructions on the packaging.
To move the unit horizontally, make appropriate use of a lift
truck or similar, bearing in mind the weight distribution of the
unit.
To lift the unit, insert tubes long enough to allow positioning of
the lifting slings and safety pins in the special holes in the base
of the unit.
To avoid the slings damaging the unit, place protection between
the slings and the unit.
The unit should be installed on special vibration dampers.
See the chapter on DIMENSIONAL DRAWINGS for the support
positions identified by W1, W2 etc. and the corresponding
weights for the correct sizing of the vibration dampers.
Fix the unit, making sure it is level and that there is easy
access to water and electrical components.
WATER CONNECTIONS I A
The choice and installation of components is the responsibil-
ity of the installer who should follow good working practice
and current legislation.
Construction of a bypass is recommended to enable the
pipes to be washed through without having to disconnect
the unit (see drain valves).
The connection piping should be supported in such a way
as to avoid it weighing on the unit.
The following components should be installed in the evapo-
rator water circuit:
1. Two pressure gauges with a suitable scale (intake and
outlet);
2. Two vibration damper joints (intake and outlet).
3. Two shut off valves (normal in intake and calibrating in
outlet).
4. Two flow switches (inlet) on both circuits, in the sys-
tem and source sections. Both flow switches must
be calibrated by the installer to a value equal to 70%
of rated flow (obligatory).
5. Two thermometers (intake and outlet).
6. An intake filter must be installed as close as possi-
ble to the evaporator and positioned to allow easy
access for routine maintenance.
7. All the pipes must be insulated with suitable material to
prevent the formation of condensate and heat loss.
The insulating material must be a vapour barrier.
Make sure that the control and shut off devices protrude
from the insulation.
8. At the lowest points in the system, install drain valves for
easy emptying.
9. At the highest points in the system, install automatic or
manual air vent valves.
10. The unit is fitted as standard with an expansion vessel;
make sure this is correctly sized for the water content of
the system and the expected operating temperature, oth-
erwise install an additional expansion vessel.
Failure to install the flow switches will mean the heat
exchangers are not protected in the event of no flow of liq-
uid.
Climaveneta cannot be held liable for any damage to the
unit and/or the system following the failure to install these
devices or the filter.
The correct operation of the components that help ensure
the safety of the appliance and the system should be
checked regularly.
Specifically, this involves cleaning the filters and checking
the operation of the flow switches installed.
Make sure that the frost protection heaters on the heat
exchanger are powered when the unit is off (unit in standby
“StbY”).
Water flow to the chiller unit must conform to the values
shown in the section on “General Technical Data”.
The flow of water must be maintained constant during oper-
ation.
The water content of the unit must be such as to avoid dis-
turbing operation of the refrigerant circuits.
Install any pressure regulating valves or solenoid valves on
the external water outlet piping
If the unit is used with water temperatures below +4.5°C, the
risk of the unit freezing must be prevented by using the
required percentage of antifreeze (see “Water circuit data”).
Non-freezing solutions must also be used at ambient tem-
peratures around 0°C.
It is recommended to use non-toxic food grade antifreeze,
compliant with the standards in force in the countries where
the unit is used, if domestic hot water production is also fea-
tured.
8WWR MTD - BWR MTD GB 03/2010
UTILITY RETURN
UTILITY OUTLET
Factory connections Installer connections
Utility water circuit connection diagram (WWR - BWR)
1 Pressure gauge
2 Vibration damper joint
3 Shut off valve
4 Calibrating valve
5 Flow switch
6 Thermometer
7 Pump
8 Safety valve
9 Expansion vessel
10 Wire mesh filter
11 Fill / top-up
12 Temperature sensor
13 Differential pressure switch
14 Drain / chemical washing valve
15 Unit drain valve
16 System vent
WELL WATER
INLET
WELL WATER
OUTLET
Factory connections Installer connections
Heat exchange circuit water connection diagram (WWR)
1 Pressure gauge
2 Vibration damper joint
3 Shut off valve
4 Flow switch
5 Thermometer
6 Pump
7 Flow regulation valve
8 Wire mesh filter
9 Fill / top-up
10 Temperature sensor
11 Differential pressure switch
12 Drain / chemical washing valve
13 Unit drain valve
14 System vent
9
GB 03/2010 WWR MTD - BWR MTD
The units must be fitted with a filling/top-up system con-
nected to the return line and a drain valve in the lowest
part of the system.
Systems containing antifreeze or covered by specific
legislation must be fitted with low-loss headers.
The manufacturer is not liable for obstruction, breakage
or noise resulting from the failure to install filters or
vibration dampers.
Particular types of water used for filling or topping up
must be treated with appropriate treatment systems.
For reference values, see the table.
PH 6-8
Electrical conductivity less than 200 mV/cm (25°C)
Chlorine ions less than 50 ppm
Sulphuric acid ions less than 50 ppm
Total iron less than 0,3 ppm
Alkalinity M less than 50 ppm
Total hardness less than 50 ppm
Sulphur ions none
Ammonia ions none
Silicon ions less than 30 ppm
Heat exchange circuit water connection diagram (BWR)
GROUND SOURCE
LOOP RETURN
GROUND SOURCE
LOOP OUTLET
Factory connections Installer connections
1 Pressure gauge
2 Vibration damper joint
3 Shut off valve
4 Calibrating valve
5 Flow switch
6 Thermometer
7 Pump
8 Safety valve
9 Expansion vessel
10 Wire mesh filter
11 Fill / top-up
12 Temperature sensor
13 Differential pressure switch
14 Drain / chemical washing valve
15 Unit drain valve
16 System vent
FILLING THE SYSTEM
- Before starting to fill, place the unit
mains switch QF1 in the OFF position
- Check that the system drain valve is closed.
- Open all system and terminal air vents
- Open system shut off valves
- Start filling by slowly opening the system water fill valve
outside the unit
- When water begins to leak out of the terminal air vent
valves, close them and continue filling until the pressure
gauge indicates the rated pressure.
The system must be filled to a pressure of between 1 and
2 bars.
Check the tightness of the joints.
It is recommended that this operation be repeated after
the unit has been operating for a number of hours.
The pressure in the system should be checked regularly.
Top-up with the unit off (pump off).
TO MAKE THE CONNECTIONS
Remove the plastic caps protecting the water connections.
Connect the system following the diagram. To seal the threads, it is recommended to use hemp and joining paste.
Teflon should not be used with antifreeze fluid. Before connecting the pipes, make sure they do not contain stones, sand, rust,
dross or other foreign bodies which might damage the unit.
ON
OFF
10 WWR MTD - BWR MTD GB 03/2010
EMPTYING THE SYSTEM
- Before starting to empty, place switch
QF1 in the OFF position
- Make sure the system fill/top-up water
valve is closed
- Open the drain valve outside the unit and all the installa-
tion and terminal air vent valves.
If the fluid in the circuit contains antifreeze, it should not
be allowed to drain freely, as it is pollutant.
It should be collected for possible reuse.
When draining after heat pump operation, take care as
the water may be hot (up to 50°).
ON
OFF
cPf
cQ
cdp
0
1
1
1
12%
0,985
1,02
1,07
20%
0,98
1,04
1,11
28%
0,974
1,075
1,18
35%
0,97
1,11
1,22
40%
0,965
1,14
1,24
Ethylene glycol solutions
Water and ethylene glycol solutions used as a heat carrier in
the place of water reduce the performance of the unit.
Multiply the performance figures by the values given in the
following table. Add glycol to the water circuit if the unit is
not used during the winter or the circuit is not emptied.
The ground source circuit must contain a water-glycol
mixture with a minimum of 20% and a maximum of 40%
ethylene glycol.
Fouling factors
The performance data given refer to conditions with clean
evaporator plates (fouling factor=1). For different fouling fac-
tors, multiply the figures in the performance tables by the
coefficient given in the following table.
Water content in the system
The water content on the system side must be a minimum of
3.5 litres per kilowatt, or higher.
0 -5 -10 -15 -20 -25
Freezing point (°C)
Percentage of ethylene glycol in weight
cPf: cooling capacity correction factor
cQ: flow rate correction factor
cdp: pressure drop correction factor
f1: capacity correction factor
fk1: compressor power input correction factor
fx1: total power input correction factor
4,4 x 10-5
0,86 x 10-4
1,72 x10-4
-
0,96
0,93
-
0,99
0,98
-
0,99
0,98
Fouling factors
(m2°C/W) f1
Evaporator
fk1 fx1
WATER CIRCUIT DATA I A
Water content in the system
Size 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121
Minimum water content l 27 30 37 44 56 67 80 100 115 130 170
System expansion vessel volume
Size 0011 0021 0025 0031 0041 0051 0061 0071 0091 0101 0121
System expansion vessel volume l 22222228888
System water limit* l 100 100 100 100 100 100 100 400 400 400 400
* For higher values add a suitable expansion vessel for the total water content
11
GB 03/2010 WWR MTD - BWR MTD
System pump curves for WWR and BWR MTD
0
0
0 5 10 15 20 25 30 35 40 45 50 55
0,5 1 1,5 2 2,5 3 3,5 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 [m3/h]
[l/s]
[lgpm]
12
11
10
9
8
7
6
5
4
3
2
1
0
13
14
15
16
17
18
19
20
21
22
23
24235
225
216
206
196
186
176
167
157
147
137
127
118
108
98
88
78
69
59
49
39
29
20
10
0
0 0,5 1 1,5 2 2,5
v
Q
H[m]
KPa
3 3,5 4 4,5 5 5,5 [m/s]
Wwr-Bwr MTD
0031-0041-0051-0061
Wwr-Bwr MTD
0011-0021 Wwr-Bwr MTD
0025
Wwr-Bwr MTD
0071-0091
Wwr-Bwr MTD
0101-0121
Heat exchanger pressure drop, system and source
10
20
30
40
50
60
70
80
90
100
0011
0021
0025
0031 0041 0051 0061 0071 0091
0101 0121
110
0123456789101112
Q [m3/h]
[KPa]
Source pump curves for BWR MTD
0
0
0 5 10 15 20 25 30 35 40 45 50 55
0,5 1 1,5 2 2,5 3 3,5 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 [m3/h]
[l/s]
[lgpm]
12
11
10
9
8
7
6
5
4
3
2
1
0
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Q
Bwr MTD
0031
Bwr MTD
0011-0021-0025
Bwr MTD
0041-0051-0061
Bwr MTD
0071-0091-0101
Bwr MTD
0121
0 0,5 1 1,5 2 2,5
v
3 3,5 4 4,5 5 5,5 [m/s]
353
343
333
323
314
304
294
284
274
265
255
245
235
225
216
206
196
186
176
167
157
147
137
127
118
108
98
88
78
69
59
49
39
29
20
10
0
H[m]
KPa
The curves shown above refer to the flow-rates and heads
of the pumps only.
To calculate the useful values relating to the system or
source, subtract the pressure drop of the heat exchangers,
see the graph "Heat exchanger pressure drop, system and
source"
12 WWR MTD - BWR MTD GB 03/2010
OPERATING DIAGRAMS WWR-BWR MTD I A
5
4
6
2
3
2
3
11
12
97
8
M
13 M
Heat source
circuit
10
1
14
F
10
F
esc set
mode Prg disp
15
2
12
13 3
2
3
M
5
4
6
11
97
8
M
15 M
14
Heat source
circuit
10
1
16
F
10
F
esc set
mode Prg disp
17
The heat pump is connected directly to the central heating circuit (the minimum water
content required must be ensured).
The heat pump can also produce domestic hot water by managing a special 3-way
valve, connected to a hot water storage cylinder.
The heat pump heats the water in the heating system storage cylinder.
The underfloor system is managed by the central heating pump, installed externally
to the storage cylinder, and by the mixer valve (unit 12).
The heat pump can also produce domestic hot water by managing a special 3-way
valve, connected to a hot water storage cylinder.
1 Heat pump WWR/BWR MTD
2 Non-return valve
3 Control valve with dial
4 Shut off valve
5 Expansion vessel (if necessary)
6 Air separator
7 DHW storage
8 Storage temperature sensor BT4
9 Thermostatic valve
10 Flow switch
11 Safety valve
12 Outside air temperature sensor
13 3-way valve, domestic hot water production
14 Wired remote keypad
15 Electric heater
Example water circuit diagram
1 Heat pump WWR/BWR MTD
2 Non-return valve
3 Control valve with dial
4 Shut off valve
5 Expansion vessel (if necessary)
6 Air separator
7 DHW storage
8 Storage temperature sensor BT5
9 Thermostatic valve
10 Flow switch
11 Safety valve
12 Underfloor system control not sup-
plied by Climaveneta.
13 System storage
14 Outside air temperature sensor
15 3-way valve, domestic hot water production
16 Wired remote keypad
17 Electric heater
Example water circuit diagram
13
GB 03/2010 WWR MTD - BWR MTD
OPERATING DIAGRAMS WWR-BWR MTD I A
3 3
5
4
6
11
97
8
M
13 M
12
Heat source
circuit
10
1
14
F
10
F
esc set
mode Prg disp
15
12 3 3
13
5
4
6
11
15
97
8
M
16
M
14
Heat source
circuit
10
1
17
F
10
F
esc set
mode Prg disp
18
The heat pump is connected directly to the central heating circuit (the mini-
mum water content required must be ensured).
The heat pump can also produce domestic hot water by managing a special
3-way valve, connected to a hot water storage cylinder.
The heat pump heats the water in the heating system storage cylinder.
The underfloor system is managed by the central heating pump, installed
externally to the storage cylinder, and by the mixer valve (unit 12).
The heat pump can also produce domestic hot water by managing a special
3-way valve, connected to a hot water storage cylinder.
1 Heat pump WWR/BWR MTD
2 Non-return valve
3 Control valve with dial
4 Shut off valve
5 Expansion vessel (if necessary)
6 Air separator
7 DHW storage
8 Storage temperature sensor BT4
9 Thermostatic valve
10 Flow switch
11 Safety valve
12 Outside air temperature sensor
13 3-way valve, domestic hot water produc-
tion
14 Wired remote keypad
15 Electric heater
Example water circuit diagram
1 Heat pump WWR/BWR MTD
2 Non-return valve
3 Control valve with dial
4 Shut off valve
5 Expansion vessel (if necessary)
6 Air separator
7 DHW storage
8 Storage temperature sensor BT5
9 Thermostatic valve
10 Flow switch
11 Safety valve
12 Underfloor system control not sup-
plied by Climaveneta.
13 System storage
14 Outside air temperature sensor
15 Bypass valve
16 3-way valve, domestic hot water production
17 Wired remote keypad
18 Electric heater
Example water circuit diagram
14 WWR MTD - BWR MTD GB 03/2010
ELECTRICAL CONNECTIONS I A
The units leave the factory fully wired. Installation is limited
to connection to the mains electrical supply and connection
of the flow switch and chiller thermal overload switch QF1
(refer to the wiring diagrams).
For all electrical work, refer to the electrical wiring diagrams
in this manual.
It is also recommended to check that:
- The characteristics of the mains electricity supply are ade-
quate for the power ratings indicated in the electrical spec-
ifications below, also bearing in mind the possible use of
other equipment at the same time.
Power to the unit must be turned on only after installa-
tion work (plumbing and electrical) has been completed.
Respect instructions for connecting phase, neutral and
earth conductors.
Voltage must be within a tolerance of ±10% of the rated
power supply voltage for the unit (for three phase units,
the unbalance between the phases must not exceed
3%). If these parameters are not respected, contact the
electricity supply company.
For electrical connections, use double insulation cable
in conformity with legislation in force in the country
where the unit installed..
A thermal overload switch and a lockable mains discon-
nect switch, in compliance with the CEI-EN standards
(contact opening of at least 3mm), with adequate switch-
ing and residual current protection capacity based on the
electrical data table shown below, must be installed as
near as possible to the appliance.
If these devices are not visible from the electrical pan-
el of the unit, they should be lockable.
An efficient earth connection is obligatory.
The manufacturer cannot be held liable for any damage
caused by the failure to correctly earth the unit.
In the case of three phase units, ensure the phases
are connected in the correct sequence.
Do not use water pipes to earth the unit.
Model Power supply
Values at the maximum conditions allowed (full load)
Fuses (5x20T 250V)
Compressors System pump Total
F.L.I. F.L.A. L.R.A. F.L.I. F.L.A. F.L.I. F.L.A. FU1 FU2 FU3 FU4 FU5
(V-Ph-Hz) (kW) (A) (A) (kW) (A) (kW) (A)
WWR 0011 MTD 230~50 3,3 16,0 58 0,2 1,0 3,5 17,0 1A 1A 8A 0,5A 3,15A
WWR 0021 MTD 230~50 3,4 16,0 61 0,2 1,0 3,6 17,0 1A 1A 8A 0,5A 3,15A
WWR 0025 MTD 230~50 3,8 19,0 82 0,2 1,0 4,0 20,0 1A 1A 8A 0,5A 3,15A
WWR 0031 MTD 230~50 4,6 23,0 97 0,4 2,1 5,0 25,1 1A 1A 8A 0,5A 3,15A
WWR 0041 MTD 230~50 4,2 27,0 130 0,4 2,1 4,6 29,1 1A 1A 8A 0,5A 3,15A
WWR 0011 MTD/s 230~50 3,3 16,0 26 0,2 1,0 3,5 17,0 1A 1A 8A 0,5A 3,15A
WWR 0021 MTD/s 230~50 3,4 16,0 27 0,2 1,0 3,6 17,0 1A 1A 8A 0,5A 3,15A
WWR 0025 MTD/s 230~50 3,8 19,0 37 0,2 1,0 4,0 20,0 1A 1A 8A 0,5A 3,15A
WWR 0031 MTD/s 230~50 4,6 23,0 44 0,4 2,1 5,0 25,1 1A 1A 8A 0,5A 3,15A
WWR 0041 MTD/s 230~50 4,2 27,0 59 0,4 2,1 4,6 29,1 1A 1A 8A 0,5A 3,15A
WWR 0021 MTD 400-3N~50 3,0 5,5 32 0,2 0,1 3,2 5,6 1A 1A 8A 0,5A 3,15A
WWR 0025 MTD 400-3N~50 4,2 6,0 35 0,2 0,1 4,4 6,1 1A 1A 8A 0,5A 3,15A
WWR 0031 MTD 400-3N~50 4,0 8,0 48 0,4 2,1 4,4 10,1 1A 1A 8A 0,5A 3,15A
WWR 0041 MTD 400-3N~50 5,2 10,0 64 0,4 2,1 5,6 12,1 1A 1A 8A 0,5A 3,15A
WWR 0051 MTD 400-3N~50 6,4 11,8 64 0,4 2,1 6,8 13,9 1A 1A 8A 0,5A 3,15A
WWR 0061 MTD 400-3N~50 8,2 15,0 75 0,4 2,1 8,6 17,1 1A 1A 8A 0,5A 3,15A
WWR 0071 MTD 400-3N~50 8,3 16,0 95 0,8 4,0 9,1 20,0 1A 1A 8A 0,5A 3,15A
WWR 0091 MTD 400-3N~50 10,7 21,0 111 0,8 4,0 11,5 25,0 1A 1A 8A 0,5A 3,15A
WWR 0101 MTD 400-3N~50 11,2 22,0 118 1,1 5,1 12,3 27,1 1A 1A 8A 0,5A 3,15A
WWR 0121 MTD 400-3N~50 16,1 31,0 140 1,1 5,1 17,2 36,1 1A 1A 8A 0,5A 3,15A
WWR MTD Electrical data at maximum conditions allowed (full load)
F.L.I. Maximum power input
F.L.A. Maximum current input
L.R.A. Start-up current
15
GB 03/2010 WWR MTD - BWR MTD
Model Power supply
Values at the maximum conditions allowed (full load)
Fuses (5x20T 250V)
Compressors System pump
Source pump
Total
F.L.I. F.L.A. L.R.A. F.L.I. F.L.A. F.L.I. F.L.A. F.L.I. F.L.A. FU1 FU2 FU3 FU4
(V-Ph-Hz) (kW) (A) (A) (kW) (A) (kW) (A) (kW) (A)
BWR 0011 MTD 230~50 3,3 16,0 58 0,2 1,0 0,2 1,0 3,7 18,0 1A 1A 8A 6,3A
BWR 0021 MTD 230~50 3,4 16,0 61 0,2 1,0 0,2 1,0 3,8 18,0 1A 1A 8A 6,3A
BWR 0025 MTD 230~50 3,8 19,0 82 0,2 1,0 0,2 1,0 4,2 21,0 1A 1A 8A 6,3A
BWR 0031 MTD 230~50 4,6 23,0 97 0,4 2,1 0,4 2,1 5,4 27,2 1A 1A 8A 6,3A
BWR 0041 MTD 230~50 4,2 27,0 130 0,4 2,1 0,9 4,0 5,5 33,1 1A 1A 8A 6,3A
BWR 0011 MTD/s 230~50 3,3 16,0 26 0,2 1,0 0,9 4,0 4,4 21,0 1A 1A 8A 6,3A
BWR 0021 MTD/s 230~50 3,4 16,0 27 0,2 1,0 0,2 1,0 3,8 18,0 1A 1A 8A 6,3A
BWR 0025 MTD/s 230~50 3,8 19,0 37 0,2 1,0 0,2 1,0 4,2 21,0 1A 1A 8A 6,3A
BWR 0031 MTD/s 230~50 4,6 23,0 44 0,4 2,1 0,2 1,0 5,2 26,1 1A 1A 8A 6,3A
BWR 0041 MTD/s 230~50 4,2 27,0 59 0,4 2,1 0,4 2,1 5,0 31,2 1A 1A 8A 6,3A
BWR 0021 MTD 400-3N~50 3,0 5,5 32 0,2 1,0 0,2 1,0 3,4 7,5 1A 1A 8A 6,3A
BWR 0025 MTD 400-3N~50 4,2 6,0 35 0,2 1,0 0,2 1,0 4,6 8,0 1A 1A 8A 6,3A
BWR 0031 MTD 400-3N~50 4,0 8,0 48 0,4 2,1 0,4 2,1 4,8 12,2 1A 1A 8A 6,3A
BWR 0041 MTD 400-3N~50 5,2 10,0 64 0,4 2,1 0,9 4,0 6,5 16,1 1A 1A 8A 6,3A
BWR 0051 MTD 400-3N~50 6,4 11,8 64 0,4 2,1 0,9 4,0 7,7 17,9 1A 1A 8A 6,3A
BWR 0061 MTD 400-3N~50 8,2 15,0 75 0,4 2,1 0,9 4,0 9,5 21,1 1A 1A 8A 6,3A
BWR 0071 MTD 400-3N~50 8,3 16,0 95 0,8 4,0 1,1 5,1 10,2 25,1 1A 1A 8A 6,3A
BWR 0091 MTD 400-3N~50 10,7 21,0 111 0,8 4,0 1,1 5,1 12,6 30,1 1A 1A 8A 6,3A
BWR 0101 MTD 400-3N~50 11,2 22,0 118 1,1 5,1 1,1 5,1 13,4 32,2 1A 1A 8A 6,3A
BWR 0121 MTD 400-3N~50 16,1 31,0 140 1,1 5,1 1,5 7,2 18,7 43,3 1A 1A 8A 16A
BWR MTD Electrical data at maximum conditions allowed (full load)
MTD/s unit complete with peak limiter
F.L.I. Maximum power input
F.L.A. Maximum current input
L.R.A. Start-up current
16 WWR MTD - BWR MTD GB 03/2010
To complete the electrical connections:
- Before connecting the unit to the power supply, make sure
that switch QF1 is open, suitably padlocked and marked.
- Open the front panel of the unit, Fig. A.
- Open the electrical panel, as shown in Fig. B.
- Use cable gland A for the main electrical power cable and
cable gland B for other external cables to be connected by
the installer, Fig. C.
Electrical cables must not enter the unit in positions not
specifically described in this manual.
Avoid direct contact with non-insulated copper piping
and the compressor
- Identify the terminals used for electrical connections on
the layout drawing shown in this manual.
For the functional connection of the unit, bring the power
supply cable to the electrical panel inside the unit and con-
nect it to terminals U-N and PE, respecting the (U) phase,
(N) neutral and (PE) earth in the case of single phase
units (230V~50Hz), or U-V-W phases, N neutral and PE
earth in three phase units (400V-3N~ 50 Hz).
- Reposition the inspection panel.
- Check that all the covers removed to make the electrical
connections have been replaced before powering up the
unit.
- Place the main switch QF1 (outside the unit) in the “ON”
position.
- The display shows the water temperature.
B
A
MAINS POWER SUPPLY CONNECTIONS I A
A
B
C
17
GB 03/2010 WWR MTD - BWR MTD
7390011400 REV.0
A3
A2 A4
QS1
QM1
KM1
KA1
KA3
KA4
KA5
TC1
FU1
FU2
C1
A1
SINGLE-PHASE
THREE-PHASE
A3
A2 A4
QS1
QM1
KM1
KA1
KA3
KA4
KA5
TC1
FU1
FU2
KA2
A1
7390011900-7390012300 REV.0
ELECTRICAL PANEL BWR MTD
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
A4 Well water pump control board
C1 Compressor start capacitor
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
KA1 High pressure switch relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
A4 Well water pump control board
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
KA1 High pressure switch relay
KA2 Phase sequence control relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
A1
C1
7390017200 REV.0
A6
SINGLE-PHASE
ELECTRICAL PANEL BWR MTD/s (with peak limiter)
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
A4 Control board source pump
A6 Peak limiter
C1 Compressor start capacitor
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
KA1 High pressure switch relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KA6 Compressor relay
KA7 Compressor relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
18 WWR MTD - BWR MTD GB 03/2010
A3
A2
A1
C1
TC2
QS1
QM1
KM1
KA1
KA3
KA4
KA5
TC1
FU1
FU2
FU4
FU5
7390012600 REV.0
SINGLE-PHASE
THREE-PHASE
7390013200-7390013600 REV.0
A3
A2 A1
TC2
QS1
QM1
KM1
KA1
KA3
KA4
KA5
TC1
FU1
FU2
KA2
FU4
FU5
ELECTRICAL PANEL WWR MTD
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
C1 Compressor start capacitor
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
FU4 Transformer protection fuse
FU5 Well water valve protection fuse
KA1 High pressure switch relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
TC2 230/24 VAC transformer
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
FU4 Transformer protection fuse
FU5 Well water valve protection fuse
KA1 High pressure switch relay
KA2 Phase sequence control relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
TC2 230/24 VAC transformer
SINGLE-PHASE
ELECTRICAL PANEL WWR MTD/s (with peak limiter)
A1 Radio interference suppresser
A2 Electronic controller
A3 Water pump electronic control board
A6 Peak limiter
C1 Compressor start capacitor
FU1 Transformer protection fuse
FU2 Auxiliary circuit protection fuse
FU4 Transformer protection fuse
FU5 Well water valve protection fuse
KA1 High pressure switch relay
KA3 Alarm relay
KA4 Auxiliary heating element relay
KA5 Domestic hot water 3-way valve relay
KA6 Compressor relay
KA7 Compressor relay
KM1 Compressor contactor
QM1 Compressor thermal overload switch
QS1 Door lock disconnect switch
TC1 230/24/12 VAC transformer
TC2 230/24 VAC transformer
19
GB 03/2010 WWR MTD - BWR MTD
All the terminals referred to in the following explanations are
to be found on the terminal board located inside the electrical
panel and called “installer terminals” (see wiring diagram).
REMOTE ON/OFF (SA1)
To use a remote on/off device, connect the contact of the
device to terminals 16 and 17 on the installer terminal board.
Set parameter CL42 = -1.
Remote off corresponds to standby status, with the com-
pressor and pump off, yet all the safety features are active.
REMOTE SUMMER-WINTER SWITCHING (SA2)
To use a remote summer/winter changeover device, connect
the contact of the device to terminals 18 and 19 on the
installer terminal board.
To activate the device, proceed as follows:
- From the HSW12 control panel select parameter CL43
and set it to the value -3 (contact closed = winter, contact
open = summer)
REMOTE CONTROL, DOMESTIC HOT WATER ONLY
To use a remote device to switch from heat pump operation to
domestic hot water only mode (AS), connect the contact from
the device to installer terminals 16 and 17 (contact SA1).
To activate the control, proceed as follows:
On control panel HSW12, select parameter CL42 and set the
value +28 (contact closed = domestic hot water only, contact
open = system heat pump operation, in the mode selected
by remote contact SA2, if there is no DHW request).
Wiring diagram:
REMOTE ALARM (RD1)
For remote display of unit shut-down, an audible or visual
alarm warning device can be connected between terminals
12 and 13. Connect the phase to terminal 13 and the alarm
signal device between terminal 12 and the neutral.
REMOTE KEYPAD KIT (A5)
The remote keypad kit can be used to display all unit func-
tions and access the parameters of the electronic board
from a point located at some distance from the unit itself.
It consists of a remote control module.
To install the kit, proceed as follows:
- disconnect the power supply and then access the inside of
the electrical panel;
- connect the remote control module with 3 wires to termi-
nals 26, 27 and 28 on the installer terminal board:
terminal 26 connected to the GND/black terminal on the
keypad;
terminal 27 connected to the signal/blue terminal on the
keypad;
terminal 28 connected to the +12VDC/red terminal on the
keypad;
- The outside air temperature sensor can be connected to
the terminals on the remote keypad. To enable the outside
air temperature sensor, set parameter CR31=9.
To avoid interference due to magnetic fields, the use of
shielded cable is recommended. The cable should not
be more than 100 m long.
COMPULSORY FLOW SWITCH CONNECTIONS
The system flow switch (F3) must be connected to terminals
20 and 21. The source flow switch (F5) must be connected
to terminals 22 and 23.
COMPRESSOR ON SIGNAL (GN1)
For remote display of the compressor operating status, an
audible or visual alarm warning device can be connected
between terminals 14 and 15. Connect the phase to terminal
15 and the signal device between terminal 14 and the neutral.
DOMESTIC HOT WATER 3-WAY VALVE
To configure a 3-way for the production of domestic hot water
(supplied by Climaveneta), make the following connections:
- terminal 9 on the heat pump connected to the phase L
- terminal 8 on the heat pump connected to the black wire
on the 3-way valve
- brown wire on the 3-way valve connected to Phase L
- blue wire on the 3-way valve connected to Neutral N
- yellow/green wire connected to earth
The valve is also fitted with a limit switch contact. The con-
tact is either closed or open, depending on the position of
the valve.
Limit switch contact (red and green wire):
Closed = Valve open
Open = Valve closed
The 3-way valve for the production of domestic hot water, if
not supplied by Climaveneta, should have the following
characteristics:
- Voltage 230V AC, 50/60 Hz
- Opening and closing time 10s.
- P delta 500 kPa
- Fluid temperature 0°C to 90°C
Use three-way valves with a pressure drop below 20 kPa.
For further details, see the chapter on “Operating character-
istics”.
DOMESTIC HOT WATER STORAGE TEMPERA-
TURE SENSOR (BT4)
The domestic hot water temperature inside the storage
cylinder is measured using sensor BT4, connected to termi-
nals 24 and 25.
AUXILIARY HEATING ELEMENT (KM4)
If an auxiliary heating element is used, heater or boiler, con-
nect the control device or contactor, as shown in the wiring
diagram. For further details, see the chapter on “Operating
characteristics”.
INSTALLER CONNECTIONS I A
Digital input Configuration Function
SA1 CL42= +28 DHW only/priority
Domestic hot water + System
SA2 CL43= +3 COOL/HEAT
SA1 SA1 SA2
16 17 18 19
20 WWR MTD - BWR MTD GB 03/2010
UPE N
123UN 456789
10 11 12 13 14 15 16 17 18 19 20 25 26 27 2821 22 23 24
SA1 SA2 F3 F5 BT4 A4
+to
Gnd
Signal
+12Vdc
GN1RD1KM4YV3
N
L
230 VAC 1A max
Blue Black
Brown
Y/G
PE
TERMINAL BLOCK WWR-BWR MTD AND MTD/S SINGLE-PHASE
123
U
PE VW N
400V - 3N ~ 50Hz
456789
10 11 12 13 14 15 16 17 18 19 20 25 26 27 2821 22 23 24
SA1 SA2 F3 F5 BT4 A4
+to
Gnd
Signal
+12Vdc
GN1RD1KM4YV3
N
L
230 VAC 1A max
Blue Black
Brown
Y/G
PE
TERMINAL BLOCK WWR-BWR MTD THREE-PHASE
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CLIMAVENETA BWR 0101 MTD Installation and User Manual

Category
Heat pumps
Type
Installation and User Manual

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