Kozyheat Nordik 41DV Owner's manual

Category
Fireplaces
Type
Owner's manual
Hussong Mfg. Co, Inc. 1 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
INSTALLATION AND
OPERATION MANUAL
Nordik 41 DV
Model #NDK-41-DV
Direct Vent Gas Fireplace
Evoluon of Fire
with the EVO Elevated Burner
English and French installation manuals are available
through your local dealer or website. Visit our website
www.kozyheat.com.
Les manuels dinstallation en français et en anglais sont
disponibles chez votre détaillant local. Visitez
www.kozyheat.com.
WARNING: FIRE OR EXPLOSION
HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
Do not store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not
use any phone in your building.
Leave the building immediately.
Immediately call your gas supplier from a
neighbor’s phone. Follow the gas
supplier’s Instructions.
If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier
This appliance may be installed in an aermarket, permanently
located, manufactured home (USA only) or mobile home, where
not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the
rang plate. This appliance is not converble for use with other
gases, unless a cered kit is used.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
P.O. BOX 557 204 INDUSTRIAL PARK DRIVE
LAKEFIELD, MINNESOTA USA 56150-0577
Hussong Mfg. Co, Inc. 2 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
Hussong Mfg. Co, Inc. 3 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
CONGRATULATIONS!
Hussong Manufacturing welcomes you as a new owner of a Kozy Heat gas fireplace. Kozy Heat
products are designed with superior components and materials, assembled with care by trained crafts-
men who take pride in their work. To ensure you receive a quality product, the burner and valve as-
sembly are 100 percent test-fired, and the complete fireplace is thoroughly inspected before packag-
ing. Our commitment to quality and customer satisfaction has remained the same for over 40 years.
We offer a complete line of gas, wood, and electric fireplaces, along with stylish accessories to com-
plement any decor. Adding a fireplace is one of the best ways to increase the value of your home,
and we are proud to offer a network of dealers throughout the country to help make your experience
everything you imagine. We pride ourselves in being dedicated not only to functionality and reliability,
but also customer safety. We offer our continual support and guidance to help you achieve the maxi-
mum benefit and enjoyment from your Kozy Heat gas fireplace.
Jim Hussong
President
Dudley Hussong
Board Chairman
Homeowner Reference Informaon We recommend you record the following Informaon:
Model Name: ______________________________ Date Purchased / Installed: _______________________________
Serial Number: _____________________________ Locaon of replace: ____________________________________
Dealership purchased from: _________________________________________________________________________________
Dealership phone number: ____________________
Notes: __________________________________________________________________________________________________
________________________________________________________________________________________________________
________________________________________________________________________________________________________
Read this manual before installing or operang this appliance
Please retain this owners manual for future reference.
Hussong Mfg. Co, Inc. 4 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
Hussong Mfg. Co, Inc. 5 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
HOMEOWNER REFERENCE INFORMATION .................... 3
TABLE OF CONTENTS ..................................................... 5
1.0 Introducon ........................................................... 7
1.1 Appliance Cercaon .........................................7
1.2 California Proposion 65 Warning .......................7
1.3 Requirements for the Commonwealth of
Massachuses ......................................................7
2.0 Specicaons ......................................................... 8
2.1 Heang Specicaons ..........................................8
2.2 Electrical Specicaons ........................................8
2.3 Appliance Dimensions ..........................................9
2.4 Safety Barrier Informaon ..................................10
3.0 Framing ................................................................ 12
3.1 Appliance Placement Consideraons .................12
3.2 Appliance Design Opons ...................................12
3.3 Floor Support and Protecon .............................12
3.4 Seng the Appliance..........................................12
3.5 Stand-O Assembly and Installaon ..................13
3.6 Nailing Flange Assembly and Installaon ...........14
3.7 Clearance to Combusbles .................................15
3.8 Wall Enclosure Rough Framing ...........................17
3.9 Vent Terminaon Framing .................................18
3.10 Outdoor Covered Fireplace Installaon .............20
4.0 Heat Management................................................ 22
4.1 Appliance Preparaon for Komfort Zone Kit ......22
5.0 Facing and Finishing ............................................. 24
5.1 Standard Installaon - Facing and Finishing
Requirements .....................................................24
5.2 Finishing Trim Kit Assembly ................................30
5.3 Safety Barrier Installaons .................................31
5.4 #B41-FRSF2 & #B41-PSF2 Safety Barrier
Preparaon .........................................................32
6.0 Gas Line Connecon ............................................. 33
6.1 Gas Conversions .................................................33
6.2 Gas Line Installaon ...........................................33
7.0 Terminaon Locaons .......................................... 34
7.1 Vercal Vent Cap Terminaon ...........................34
7.2 Minimum Terminaon Clearances .....................35
8.0 Venng ......................................................................... 36
8.1 Approved Vent Systems .............................................. 36
8.2 Venng Requirements ................................................ 37
8.3 Vent Restricon .......................................................... 37
8.4 Use of Flexible Venng Outside the Appliance
Enclosure .................................................................... 37
8.5 Natural Dra Installaons ........................................... 38
8.6 Class A Chimney / Masonry Chimney Conversion ...... 42
9.0 Fireplace Setup ............................................................. 43
9.1 Glass Frame Assembly ................................................ 43
9.2 Boom Frame Removal and Installaon .................... 43
9.3 Light Kit ....................................................................... 44
9.4 Media Tray Base - Side Trim ....................................... 45
9.5 NK41-500 Log Set Installaon ..................................... 46
9.6 Control Board Removal and Installaon ..................... 49
10.0 Electrical Informaon .................................................. 51
10.1 Electrical Specicaons ............................................. 51
10.2 Wiring Requirements ................................................ 51
11.0 Operang Instrucons ................................................ 52
11.1 Setup Proame 2 IFC Module ................................... 53
11.2 Inialize the Control System ..................................... 53
11.3 Reset the System for Manual Operaon ................... 53
11.4 Automac Safety Turn-o ......................................... 53
11.5 Backup Baery Operaon ......................................... 53
11.6 Control System 7 Day Timeout.................................. 54
11.7 IFC Module Ignion Sequence .................................. 54
11.8 Addional Diagnosc Informaon ............................ 54
11.9 Remote Control Operaon ........................................ 55
12.0 Pressure Tesng and Burner Adjustments ................... 60
12.1 Pressure Tesng ........................................................ 60
12.2 Flame Appearance Adjustment ................................. 61
13.0 Troubleshoong .......................................................... 63
14.0 Maintenance ............................................................... 66
14.1 Firebox ...................................................................... 66
14.2 Fan ............................................................................. 66
14.3 Vent System .............................................................. 66
14.4 Glass Assembly .......................................................... 66
14.5 Burner and Pilot System ............................................ 67
15.0 Replacement Parts List ................................................ 68
Limited Lifeme Warranty ................................................... 70
TABLE OF CONTENTS
Hussong Mfg. Co, Inc. 6 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
Hussong Mfg. Co, Inc. 7 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
1.1 Appliance Cercaon
Laboratory: PFS in Coage Grove, Wisconsin
Standards:
ANSI Z21.88-2019/CSA 2.33-2019, Vented Gas Fireplace
Heaters
CSA 2.17 2017, Gas-Fired Appliances for Use at High Al-
tudes
This installaon must conform with local codes, or in the ab-
sence of local codes, with the Naonal Fuel Gas Code, ANSI
Z223.1/NFPA 54, or the Natural Gas and Propane Installaon
Code, CSA B149.1.
1.2 California Proposion 65 Warning
WARNING: This product can expose you to chemicals in-
cluding Carbon Monoxide, that is an externally vented by-
product of fuel combuson, which is [are] known to the State
of California to cause birth defects or other reproducve
harm. For more informaon, visit www.P65Warnings.ca.gov.
1.3 Requirements for the Commonwealth of
Massachuses
The following requirements reference various Massachuses
and naonal codes not contained in this manual.
For all sidewall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in
whole or in part for residenal purposes, including those
owned or operated by the Commonwealth and where the
side wall exhaust vent terminaon is less than (7) feet above
nished grade in the area of the venng, including but not
limited to decks and porches, the following requirements
shall be sased:
1.3.1 Installaon of Carbon Monoxide Detectors
At me of installaon of side wall horizontally vented gas
fueled equipment, the installing plumber or gas-er shall
observe that a hard wired carbon monoxide detector with an
alarm and baery back-up is installed on the oor level
where the gas equipment is to be installed. In addion, the
installing plumber or gas-er shall observe that a baery
operated or hard wired carbon monoxide detector is in-
stalled on each addional level of the dwelling, building or
structure served by the side wall horizontal vented gas fueled
equipment. It shall be the responsibility of the property own-
er to secure the services of qualied licensed professionals
for the installaon of hard wired carbon monoxide detectors.
In the event that the side wall horizontally vented gas fueled
equipment is installed in a crawl space or ac, the hard
wired carbon monoxide detector with alarm and baery back
-up may be installed on the next adjacent oor level. In the
event that the requirements of this subdivision can not be
met at the me of compleon of installaon, the owner shall
have a period of thirty (30) days to comply with the above
requirements; provided, however, that during said thirty (30)
day period, a baery operated carbon monoxide detector
with an alarm shall be installed.
1.3.2 Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required in accordance with
the above provisions shall comply with NFPA 720 and be ANSI/UL
2034 listed and IAS cered.
1.3.3 Signage
A metal or plasc idencaon plate shall be permanently
mounted to the exterior of the building at a minimum of eight (8)
feet above grade directly in line with the exhaust vent terminal
for the horizontally vented gas fueled heang appliance or
equipment. The sign shall read, in print no less the one-half inch
(½) in size, GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OB-
STRUCTIONS”.
1.3.4 Inspecon
The state or local gas inspector of the side wall horizontally vent-
ed gas fueled equipment shall not approve the installaon un-
less, upon inspecon, the inspector observes carbon monoxide
detectors and signage installed in accordance with the provisions
of 248 CMR 5.08 (2) (a) 1 through 4.
1.3.5 Exempons
The following equipment is exempt from 248 CMR 5.08 (2) (a) 1
through 4: The equipment listed in Chapter 10 entled
Equipment Not Required To Be Ventedin the most current
edion of NFPA 54 as adopted by the Board; and Product Ap-
proved side wall horizontally vented gas fueled equipment in-
stalled in a room or structure separate from the dwelling, build-
ing or structure used in whole or in part for residenal purposes.
1.3.6 Manufacturer Requirements
1.3.6.1 Gas Equipment Venng System Provided
When the manufacturer of Product Approved side wall horizon-
tally vented gas equipment provides a venng system design or
venng system components with the equipment, the instruc-
ons provided by the manufacturer for installaon of the equip-
ment and the venng system shall include:
Detailed instrucons for the installaon of the venng sys-
tem design or the venng system components; and
A complete parts list for the venng system design or
venng system.
1.3.7 Gas Equipment Venng System NOT Provided
When the manufacturer of Product Approved side wall horizon-
tally vented gas equipment does not provide the parts for
venng the ue gases, but idenes special venng systems”,
the following requirements shall be sased by the manufactur-
er:
The referenced special venng systemsinstrucons shall
be included with the appliance or equipment installaon
instrucons and;
The special venng systemsshall be Product Approved by
the Board, and the instrucons for that system shall include
a parts list and detailed installaon instrucons.
A copy of all installaon instrucons for all Product Approved
side wall horizontally vented gas fueled equipment, all venng
instrucons, all parts lists for venng instrucons, and/or all
venng design instrucons shall remain with the appliance or
equipment at the compleon of the installaon.
1.0 Introducon
Hussong Mfg. Co, Inc. 8 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
2.0 Specicaons
2.1 Heang Specicaons
2.1.1 Altude Adjustment
This appliance may be installed at higher altudes. Please refer to Naonal
Fuel Gas Code ANSI Z223.1/NFPA 54, CSA-B149.1 Natural Gas and Propane
Installaon Code, local authories, or codes having jurisdicon in your area
regarding derate guidelines.
2.1.1.1 US Installaons
Refer to the American Gas Associaon guidelines for the gas designed appli-
ances derang method. For elevaons above 2,000’ (610m), input rangs are
to be reduced by 4% for each 1,000’ (305m) above sea level.
2.1.1.2 Canadian Installaons
When the appliance is installed at elevaons above 4,500’ (1,372m), the cer-
ed high-altude rang shall be reduced at the rate of 4% for each addional
1,000’ (305m).
2.2 Electrical Specicaons
The juncon box in this appliance requires 120VAC, 60Hz, and 6 Amps.
Verify the household breaker is shut o prior to working on any electrical
lines.
The AC power supply to this appliance must be hot at all mes and shall
not have a switch installed in it.
Natural Gas Propane
Maximum Input Rang 40,000 Btu/h
(11.72 kW)
40,000 Btu/h
(11.72 kW)
Orice Size (DMS) Le: #48
Right: #48
Rear: #55
Le: #1.20mm
Right: #1.20mm
Rear: #68
Minimum Input Rang 22,000 Btu/h
(6.45 kW)
21,000 Btu/h
(6.15 kW)
Minimum Inlet Pressure 5” WC (1.25 kPa)
7” WC (1.74 kPa)
12”WC (2.99 kPa)
Maximum Inlet Pressure 10”WC (2.49 kPa) 13”WC (3.24 kPa)
Manifold Pressure (High) 3.8” WC (0.95 kPa) 11” WC (2.74 kPa)
Manifold Pressure (Low) 1.1” WC (0.27 kPa) 2.9” WC (0.72 kPa)
Venturi Opening Sengs Le : 1/8” (3mm)
Right: 1/8” (3mm)
Rear: 5/8” (16mm)
Le: 5/16” (8mm)
Right: 5/16” (8mm)
Rear: 5/8” (16mm)
Hussong Mfg. Co, Inc. 9 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
2.3 Appliance Dimensions
Figure 2.1 - Appliance Dimensions
Hussong Mfg. Co, Inc. 10 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
2.4 Safety Barrier Informaon
WARNING: A barrier designed to reduce the risk of
burns from the hot viewing glass is provided with this
appliance and shall be installed for the protecon of
children and other at-risk individuals.
If the barrier becomes damaged, the barrier shall be
replaced with Hussong Mfg.s barriers for this appliance.
Please refer to Secon 5.3 Safety Barrier Installaons on
page 30 for mounng and installaon opons.
IMPORTANT: Consider the height of hearth nish material
when building a replace plaorm. Proper installaon of safe-
ty barriers require the boom of the replace to be level with
nished hearth.
NOTE: The nishing trim kit is highly recommended as it en-
sures proper tment of safety screen barrier along with an
edge to stop nishing material against. This ensures proper
venlaon air ow and accessibility for replace servicing. See
Secon 5.2.
Safety Barriers Approved for All Design Opons
(Standard or Kozy Zone Kit Installaons)
Safety Barriers Approved for Kom-
fort Zone Kit Installaons ONLY
IMPORTANT: The B41-PSF2 and B41-FRSF2 (Figure 2.3) are ONLY approved for use when
the Nordik 41 DV is installed with an approved Komfort Zone Kit. The approved kits are
#KZK-038 and #KZK-1510A.
The other (4) safety barriers shown in Figure 2.2 are approved in all installaon scenarios.
See Secon 5.4 for addional safety barrier preparaon informaon.
Figure 2.2 - Safety Barriers Group #1 Figure 2.3 - Safety Barriers Group #2
Hussong Mfg. Co, Inc. 11 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
2.4.1 #B41-FRSF2 & #B41-PSF2 Safety Barrier Preparaon
IMPORTANT: The #B41-FRSF2 and #B41-PSF2 are only allowed to be installed when the replace is
installed with an approved KZK-038 or KZK-1510A.
Requirement:
When using the #B41-FRSF2 or #B41-PSF2 you must remove and discard the rope from the backside of
the safety barrier.
Figure 2.4 - Rope Removal
Hussong Mfg. Co, Inc. 12 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.0 Framing
3.1 Appliance Placement Consideraons
Read all documentaon for your specic installaon and
design opons prior to appliance installaon.
WARNING: Due to high temperatures, the appliance
should be located out of trac and away from furniture
and draperies.
FIRE HAZARD: Do NOT install this appliance directly on
carpeng, vinyl, or any other combusble material other
than wood.
Note: Unless otherwise noted all clearances / images in this
manual are based o of nominal 2” x 4” framing being used.
This appliance must be installed on a level surface ca-
pable of supporng the replace and venng. If possi-
ble, place the replace in a posion where the vent
terminates between two studs, eliminang the need
for any addional framing.
This replace may be installed in a bedroom.
Please be aware of the large amount of heat this re-
place will produce when determining a locaon.
3.2 Appliance Design Opons
This appliance oers several design opons for managing
the heat produced by this replace.
Note: When deciding on which design opon suites your
applicaon please review all secons throughout this
manual as dierent design opons have dierent framing,
facing, and nishing opons and requirements.
Standard Installaon will be outlined in this manual in
secons marked standard installaonand must be
followed if no design opons (Komfort Zone Kit) are to
be used. The replace chamber and ceiling minimum
height must be 76” (1930mm) for standard installa-
ons. Only the safety barriers shown in Figure 2.2 are
allowed for this installaon scenario.
Komfort Zone Kit (KZK) oers the opon to redistribute
radiant heat through plenum(s). This opon allows for
combusble facing materials above the replace, heat
reducon for a TV above the replace, and lower man-
tel clearances. See secon 4.0, Heat Management on
page 21. If installing a Komfort Zone Kit (#KZK-038 or
#KZK-1510A), the framing requirements may be dier-
ent than the standard dimensions listed in this secon.
Please reference the manual included with your kit
before compleng all replace framing and other in-
stallaon consideraons. The replace chamber and
ceiling minimum height must be 82” (2083mm) for KZK
opons. Safety barriers shown in Figure 2.2 and Figure
2.3 are allowed for installaon when using an approved
Komfort Zone Kit. Safety barriers shown in Figure 2.3
are only allowed for use with an approved Kozy Zone
Kit.
Kozy Power Vent is a fan-powered mechanical dra
vent system (horizontal terminaons only) for use with
any of the design opons listed previously in this sec-
on (Standard or Komfrot Zone Kit). Reference the
#KPV manual for all system requirements. Ulizing the
Kozy Power Vent system will not change facing and
nishing requirements or safety barrier requirements
from the Standard or Komfort Zone Kit design opons.
3.3 Floor Support and Protecon
Floor protecon in front of the replace is not required.
Combusble material may be used if installing a hearth ex-
tension. Consider the thickness of the hearth extension n-
ishing material if building a replace plaorm. The boom
of the replace must be level with nished hearth extension
for proper t of a safety barrier.
If this appliance is to be installed directly on carpeng, le,
or other combusble material other than wood ooring, this
appliance shall be installed on a metal or wood panel ex-
tending the full width and depth of the appliance.
If the appliance is to be installed above oor level, a solid,
connuous plaorm must be constructed below the appli-
ance.
3.4 Seng the Appliance
This secon outlines informaon on seng the appliance in
the framed and starng the installaon process.
Decide on your appliance installaon opon menoned in
Secon 3.2 before seng the appliance. Your framing re-
quirements, clearance to combusbles, and vent congura-
on will depend upon this decision.
IMPORTANT: If you are using a KZK appliance installaon opon
refer to Secon 4.0 for addional preparaon steps that must be
completed before seng the appliance in the framed opening.
General Procedure
 Frame your opening based on your selected appliance in-
stallaon opon. Refer to Secon 3.8 for informaon for the
framed opening of the standard installaon opon. If you
are using a KZK installaon opon refer to the KZK manual
for framing.
 Lay out the path for your vent run before installing appli-
ance.
 We recommend installing the nishing trim kit. This pro-
vides a shadow box around the required safety barrier. Your
nishing material will bu up against the nishing trim. Re-
fer to Secon 5.2 for installaon of nishing trim kit. If you
are using the nishing trim kit, this must be installed before
the following steps.
 Install the nailing anges on the appliance. Refer to Secon
3.6 for assembly and installaon. The nailing anges are
where you secure your appliance to the framed opening.
The framing will be ush with the appliance when it is in-
stalled.
 Assemble and install the top stand-o assembly. Refer to
Secon 3.5 for more informaon on the top stand-o as-
sembly. This stand-o assembly provides the necessary
thermal protecon of the header.
 Place the replace inside the framed opening and secure
the appliance into the framing. The replace will be ush
with the framing. If you use the nishing trim kit, the trim
kit will sck past the framing as the nishing material will
bu up against the trim.
 The next steps would involve installing the KZK (if applica-
ble), vent pipe, connect gas line, connect electrical wiring,
and nally nishing material.
Hussong Mfg. Co, Inc. 13 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.5 Stand-O Assembly and Installaon
WARNING: The top stand-os provide the
7” (177mm) minimum clearance to the header. Use
only non-combusble material in this area for the
enre width of the replace. DO NOT use wood,
sheetrock, et cetera, in this zone.
Top stand-o brackets must be formed and aached
prior to posioning replace into framed opening.
Note: If installing trim kit assembly #B41-FTK, please
refer to Secon 5.2 Finishing Trim Kit Assembly on
page 29 before installing stand-os.
Note: If installing KZK-038 or KZK-1510A complete the
necessary preparaon work before assembling the
stand-o assembly.
Installaon:
1. Remove and save (4) screws securing stand-o
heat shields and stand-o brackets on top of the
replace.
2. Form each top stand-o bracket by bending at
perforaons, as shown.
3. Align the holes in the formed top stand-os with
the holes in the replace top. Secure with the (4)
screws previously removed along with (4) screws
located on top of the replace.
4. Form stand-o heat shields as shown. The ange
will face up and to the back of the replace.
5. Align the in the stand-o heat shields with the
holes in the top stand-o brackets Secure with
(8) screws provided in the replace components
packet.
Figure 3.1 - Stand-O Installaon
Hussong Mfg. Co, Inc. 14 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.6 Nailing Flange Assembly and Installaon
Note: If installing the Finishing Trim Kit (recommended)
please complete that prior to installing the nailing anges.
CAUTION: Never permanently remove these assemblies
from the replace. They must be secured regardless of
nish material used.
1. Remove (2) nailing anges from the right and le side
of the replace.
2. Align nailing ange with holes on outside corners of
replace, with the stand-o anges on the nailing
anges facing away from the replace
3. Secure the nailing anges to the replace with screws
(provided) through the slots in nailing anges.
4. Bend perforaon on nailing ange unl parallel with re-
place face. Do not bend toward replace face.
5. Posion framing stud against the small stand-o (located
on backside of nailing ange). Secure with nails or screws.
When installed, the nailing anges provide the minimum
¼(6mm) clearance from the sides of the replace to framing.
Figure 3.2 - Nailing Flange Installaon
Hussong Mfg. Co, Inc. 15 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.7 Clearances to Combusbles
Table 3.1, Minimum Fireplace Clearances to Combusble Material
Minimum height of replace enclosure 76” 1930mm
Base of the replace to ceiling 76” 1930mm
Fireplace top to ceiling 41-1/2” 1054mm
From replace top stand-o brackets 0” 0mm
From replace le and right stand-o brackets (nailing anges) 0” 0mm
From replace back stand-o brackets 0” 0mm
From replace corners 1/2” 13mm
From replace front 36” 914mm
Fireplace sides to adjacent sidewall 3/4” 19mm
Fireplace top to 3/4” (19mm) mantel trim 6-1/2” 165mm
Mantel 6” (152mm) deep from replace top 10” 254mm
Horizontal venng within minimum replace enclosure - Top surface of vent pipe 13-1/2” 343mm
Horizontal venng within minimum replace enclosure - Le, right, and boom surfaces
of vent pipe
1” 25mm
Vercal venng within minimum replace enclosure - All surfaces 1” 25mm
See Table 3.1 below for minimum clearances for the standard installaon opon.
See Figure 3.3 on the following pages for typical standard installaon opons.
Clearances may change when ulizing the Komfort Zone Kit (Part# KZK-038 or KZK-1510A). Please reference the manual
included with that kit.
Unless otherwise noted all clearances / images in this manual are based o of nominal 2” x 4” framing being used.
Hussong Mfg. Co, Inc. 16 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
Figure 3.3 - Typical Appliance Installaon
Hussong Mfg. Co, Inc. 17 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.8 Wall Enclosure Rough Framing
Note: Unless otherwise noted all clearances / images in this
manual are based o of nominal 2” x 4” framing being used.
3.8.1 Rough Framing
WARNING: Provide adequate clearances around air openings
into the combuson chamber. Provide adequate clearance in
front of the replace for barrier removal, component access,
gas line installaon, service access, etc.
CAUTION: Cold air transfer area. The surround replace
chase must comply with all clearances as outlined in this
manual, and be constructed in compliance with local build-
ing codes. Outside walls should be insulated to prevent cold
air from entering room.
Rough-in dimensions outlined in FIGURE 3.4 below are the
same for all design opons and must be followed.
Floor protecon in front of the replace is not required.
Combusble material may be used if installing a hearth
extension. Consider the thickness of the hearth exten-
sion nishing material if building a replace plaorm.
The hearth may be ush with the boom nishing edge
of the replace.
The boom of the replace must be placed directly on a
wood or non-combusble surface (not linoleum or car-
pet). If this appliance is to be installed directly on car-
peng, le, or other combusble material other than
wood ooring, this appliance shall be installed on a
metal or wood panel extending the full width and depth
of the appliance.
Framing dimensions should allow for wall covering thick-
ness and replace facing materials.
If masonry (oponal) is to be used, prepare the foundaon
necessary for the full masonry load. A lintel must be used
over the top of the appliance to support the added weight
of the masonry construcon above the replace.
3.8.2 Mounng a Television Above a Fireplace and
Television Recess Construcon
WARNING: All clearances to venng must be maintained.
Mounng a television above a replace is a common
pracce. Mantel depth, ceiling heights, and wall and
mantel construcon material all aect television surface
temperatures. Most television manufacturers specify in
their instrucons that a television should not be installed
on, near, or above a heat source.
If you want a Television above a replace it is highly
recommended install the replace with the KZK installaon
design opon. Refer to Secon 3.2 for more informaon on
the KZK design. Install the plenum discharge above the
locaon of a television. This will help distribute heat from
below the TV to above the TV. We also recommend the use
of a mantel to deect heat away from the television.
Television locaon rests solely on the homeowner. It is the
home owners responsibility that the preferred TV
mounng and mantel design will not exceed the listed
maximum operaon temperature of their electronic goods.
Figure 3.4 - Minimum Appliance Framing
Hussong Mfg. Co, Inc. 18 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.9 Vent Terminaon Framing
The following informaon applies to all standard,
and Komfort Zone Kit design opons.
If using Kozy Power Vent #KPV, please reference the
manual included with the kit.
3.9.1 Vent Terminaon Locaon
Natural Dra: Exterior vent terminaon loca-
on must be in compliance with secon 7.0,
TERMINATION LOCATIONS on page 33.
Power Vent System: See the #KPV manual that
came with the power vent system for termina-
on locaon requirements
3.9.2 Clearances
A minimum of 1” (25mm) clearance on all sides
of the vercal vent pipe must be maintained.
Refer to FIGURE 3.5 below for the following clear-
ances
A minimum of 1” (25mm) clearance from the
top surface on the horizontal pipe must be
maintained.
When the replace is installed at the
minimum chamber height any hori-
zontal venng must have a minimum
clearance of 13-1/2” (343mm) from the
top of the chamber. The horizontal pipe
aer the wall pass-through must main-
tain a 1” (25mm) clearance to combus-
bles on all surfaces of the pipe.
A minimum of 1” (25mm) clearance on the
sides and boom surfaces on the horizontal
pipe must be maintained.
NOTE: Elbows listed with approved vent systems for
this appliance vary in vercal length. Please consult
the vent manufacturers instrucons to determine
the elbow dimension used for installaon. Adjust
the wall pass-through rough opening dimensions as
necessary to maintain clearance requirements.
Figure 3.5 - Horizontal Vent Pipe Clearance
Hussong Mfg. Co, Inc. 19 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.9.3 Vercal Terminaons
Follow vent pipe manufacturers installaon instruc-
ons for vercal terminaons.
Ac insulaon shields may be insulated using un-
faced insulaon products listed as non-combusble
per ASTM E 136
3.9.4 Horizontal Terminaons
WARNING: Do not recess the vent cap into wall or siding.
IMPORTANT: Horizontal vent secons require
1/4” (6mm) rise for every 12” (305mm) of travel for nat-
ural dra applicaons.
Wall thimble products that comply with the required
1” (25mm) top clearance to combusbles must be in-
stalled for all horizontal vent runs that pass through inte-
rior or exterior walls. These wall thimble products may be
insulated using unfaced insulaon products listed as non-
combusble per ASTM E 136.
Elbows listed with approved vent systems for this appli-
ance vary in vercal length. Please consult the vent manu-
facturers instrucons to determine the elbow dimension
used for installaon. Adjust the wall pass-through rough
opening dimensions to maintain clearance requirements.
3.9.5 Wall Pass Through Framing Instrucons
Follow FIGURE 3.6 below for minimum rough-in dimensions.
1. Measure from oor level of the replace to the center of
where the vent pipe will penetrate the wall. The dimen-
sion in FIGURE 3.6 is used with a Simpson DuraVent el-
bow.
2. Cut and frame an opening in the wall to allow the vent
system to run level through the wall pass-through.
3. Follow the vent pipe manufacturers installaon instruc-
ons for natural dra vent installaon.
Note: Vent pipe dimensions are tested with listed Simpson
Duravent pipe. Other manufacturers product dimensions
may vary.
Figure 3.6 - Minimum Wall Pass-Thru Framing
Hussong Mfg. Co, Inc. 20 Rev. 2 - August 2023
NDK-41-DV - PFS Report No. 22-838 Starng Serial Number: 23 N41DV00001 23
3.10 Outdoor Covered Fireplace Installaon
A outdoor covered replace installaon allows a replace
to be installed in an outdoor covered area, where the
appliance is protected from direct precipitaon.
Follow the instrucons and illustraons in this secon for
installaon procedures.
3.10.1 Safety Screen Barriers
Hussong Mfg. highly recommends to use black painted
safety barriers in outdoor installaons. Other screen bar-
riers that incorporate a plated or pana nish are highly
suscepble to oxidaon and discoloraon.
3.10.2 Requirements
The connuous insulated building envelope and weather-
proof membrane are not to be interrupted by replace
installaon.
Fireplace operaon is approved from 40°F to 110°F.
All wiring connecons shall be in accordance with out-
door requirements of NECA NFPA 70.
All clearances and requirements in your appliance manual
must be adhered to.
Figure 3.7 - Outdoor Covered Installaon
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Kozyheat Nordik 41DV Owner's manual

Category
Fireplaces
Type
Owner's manual

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