Table of Contents
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Models:
ND3630/3933/4236/4842
ND3630I/3933I/4236I/4842I
ND3630L/3933L/4236L/4842L
ND3630IL/3933IL/4236IL/4842IL
Direct Vent Gas Appliance
• Important operating and
maintenance instructions
included.
WARNING
If the information in these instruc-
tions is not followed exactly, a
fi re may result causing property
damage, personal injury, or death.
• Do not store or use gasoline or other fl am-
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.
- 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 fi re department.
• Installation and service must be performed
by a qualifi ed installer, service agency, or
the gas supplier.
This appliance may be installed as an OEM installation
in manufactured home (USA only) or mobile home and
must be installed in accordance with the manufacturer's
instructions and the manufactured home construction and
safety standard, Title 24 CFR, Part 3280 or Standard for
Installation in Mobile Homes, CAN/CSA Z240MH.
This appliance is only for use with the type(s) of gas
indicated on the rating plate.
CAUTION
DO NOT DISCARD THIS MANUAL
Read, understand and follow
•
these instructions for safe
installation and operation.
In the Commonwealth of Massachusetts installation must
be performed by a licensed plumber or gas fi tter;
See Table of Contents for location of additional
Commonwealth of Massachusetts requirements.
Heatilator • Novus DV • 4031-550 Rev G • 11/07
Owner's Manual
Leave this manual with
•
party responsible for
use and operation.
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation and cool down.
Hot glass will cause burns.
• Do not touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
appliance.
• A l e r t c h i l d r e n a n d a d u l t s t o h a z a r d s o f h i g h
temperatures.
High temperatures may ignite clothing or other
fl ammable materials.
• Keep clothing, furniture, draperies and other combustibles
away.
This appliance has been supplied with an integral
barrier to prevent direct contact with the fi xed glass
panel. Do NOT operate the appliance with the barrier
removed.
Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.
Installation and service of this appliance should be performed
by qualifi ed personnel. Hearth & Home Technologies suggests
NFI certifi ed or factory-trained professionals, or technicians
supervised by an NFI certifi ed professional.
Installation and Operation
1
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Summary of Contents for Heatilator ND3933
- Page 1 NFI certifi ed or factory-trained professionals, or technicians This appliance is only for use with the type(s) of gas supervised by an NFI certifi ed professional. indicated on the rating plate. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 2 Your new Heatilator gas appliance will give you years of As the owner of a new appliance, you’ll want to read and durable use and trouble-free enjoyment. Welcome to the carefully follow all of the instructions contained in this owner’s...
-
Page 3: Table Of Contents
Contact Information ......88 Note: An arrow ( ) found in the text signifi es change in content. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 4: Listing And Code Approvals
Immediately call a qualifi ed service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 5: Requirements For The Commonwealth Of Massachusetts
The sign shall read, in print size no See Gas Connection section for additional Common- less than one-half (1/2) inch in size, “GAS VENT wealth of Massachusetts requirements. DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUC- TIONS”. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 6: Getting Started
Plumb line Safety glasses Level Manometer Voltmeter Tape measure Non-corrosive leak check solution 1/2 - 3/4 in. length, #6 or #8 Self-drilling screws One 1/4 in. female connection (for optional fan). Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 7: Framing And Clearances
1194 1353 1016 ND4236 inches 37-5/8 19-5/8 43-3/8 53-1/4 1067 1102 1194 1353 1092 ND4842 inches 41-7/8 19-5/8 43-3/8 53-1/4 1219 1064 1102 1194 1353 1245 Figure 3.1 Appliance Locations Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 8: Construct The Appliance Chase
If the appli- ance is being installed on a cement slab, a layer of plywood may be placed underneath to prevent conducting cold up into the room. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 9: Clearances
Rough Opening Rough Opening Rough Opening Model (Width) (Height) (Depth) (DVP Pipe) ND3630 34-7/8 19-5/8 ND3933 34-7/8 19-5/8 ND4236 34-7/8 19-5/8 1067 ND4842 34-7/8 19-5/8 1219 Figure 3.2 Clearances to Combustibles Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 10: Mantel Projections
Framing or fi nishing material used on the front of, or in front of, the appliance closer than the minimums listed, must be constructed entirely of noncombustible materials (i.e., steel studs, concrete board, etc.). Failure to comply may cause fi re. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 11: Termination Locations
Clearances from Cap Surfaces specifi ed. • Do not pack air space with insulation or other materials. Failure to keep insulation or other materials away from vent pipe may cause fi re. Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 12 A Gas Termination Wood or Fuel Oil Termination tions supplied with the decorative cap cover. 6 in. 20 in. (152 mm) min. (508 mm) min. Figure 4.3 Multiple Vertical Termination Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 13 N Vertical clearance between two horizontal termination caps – 12 in. (30 these requirements. cm) minimum. O Horizontal clearance between two horizontal termination caps – 12 in. (30 cm) minimum. Figure 4.4 Minimum Clearances for Terminations Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 14: Vent Information And Diagrams
3 to 12 in. (76 to 305 mm) DVP24MI 3 to 24 in. (76 to 610 mm) between two 45° elbows (see Figure 5.1). DVP Pipe (see chart) Figure 5.2 DVP Pipe Effective Length Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 15: Vent Diagrams
24 in./610 mm 25 ft/7.62 m 25 ft/7.62 m 25 ft/7.62 m * You may install the elbow directly on top of the appliance. Figure 5.3 Top Vent-Horiztonal Termination-One Elbow Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 16 See Figure 5.6 for information about installing elbows horizontally. Table 5.2 min. max. max. 12 in./305 mm 24 ft/7.32 m 19 ft/5.79 m Installed Vertically Figure 5.5 Three Vertically Installed 90° Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 17 24 in./610 mm 25 ft/7.62 m 25 ft/7.62 m 25 ft/7.62 m 25 ft/7.62 m 25 ft/7.62 m Installed Vertically Installed Horizontally Figure 5.6 Two or Three Elbows, some Horizontal Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 18 12 ft (3.66 m) min. 60 ft (18.29 m) max. Maximum horizontal run is 100% of vertical, but cannot exceed 26 ft (7.92 m) Figure 5.8 Vertical Termination - Two Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 19 60 ft (18.29 m) max. Figure 5.9 Vertical Termination - Three Elbows (some horizontal) Rear Vent—Horizontal Termination—No Elbow 18 in. (457 mm) max. Figure 5.10 Horizontal Termination - No Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 20 Total Horiz Model V Min. Novus 0-.61 0.31 0.91 1.22 0.61 1.83 1.83 0.91 2.74 2.44 1.22 3.66 2.44 1.52 4.57 2.44 1.83 5.49 Figure 5.12 Horizontal Termination - Two Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 21 H1 Max Min. Novus ft 0-.61 0.31 0.91 1.22 0.61 1.83 1.83 0.91 2.74 2.44 1.22 3.66 2.44 1.52 4.57 2.44 1.83 5.49 Figure 5.13 Vertical Termination - Three Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 22 6 ft (1.83 m) max. 60 ft (18.29 m) max. Maximum horizontal run is 100% of vertical, but cannot exceed 26 ft (7.92 m) Figure 5.15 Vertical Termination - Two Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 23: Vertical Termination - Three Vertical Elbows
12 ft (3.66 m) min. 60 ft (18.29 m) max. Maximum horizontal run is 100% of vertical, but can- not exceed 26 ft (7.92 m). Figure 5.16 Vertical Termination - Three Vertical Elbows Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 24: Vent Clearances And Framing
If your local inspector requires the wall shield fi restop on 1003 ND4842 both sides of the wall, then both wall shield fi restops must have a heat shield attached to them. Figure 6.3 Exterior Wall Hole Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 25: Install The Ceiling Firestop
3 fasteners per side Ceiling firestop Ceiling firestop installed below ceiling. installed above ceiling. Figure 6.5 Installing Ceiling Firestop & Attic Insulation Shield Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 26: Install Attic Insulation Shield
Bend all tabs inward 90° around the top of the shield. These tabs must be used to prevent blow-in insulation from getting between the shield and vent pipe, and to maintain clearance. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 27: Appliance Preparation
Attach the fi rst vent section. It will snap into place. See Figure 7.6. Figure 7.3 Retaining Band CAUTION Sharp Edges • Wear protective gloves and safety Figure 7.6 Attach the First Vent Section glasses during installation. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 28: Rear Vent
Metal Retaining Band • Fold the center parts of the retaining band out and use to remove the vent cap. Figure 7.11 First Vent Section Figure 7.9 Fold Retaining Band Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 29: Securing And Leveling The Appliance
CANNOT be changed at a later time. Nailing Flanges (both sides) Figure 7.12 Proper Positioning, Leveling and Securing of an Appliance CAUTION Do NOT notch into the framing around the appliance spacers. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 30: Installing Vent Pipe
If slip section seals are broken during the removal of the termination cap, gas will leak and a fi re or explosion may occur. do not break silicone seals on slip sections. Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 31 If predrilling holes, do NOT penetrate inner pipe. Figure 8.3 Snapped Figure 8.2 Inner/Outer Make sure the seams are not aligned to prevent unintentional disconnection. CORRECT INCORRECT Figure 8.4 Seams Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 32 The pipe and slip section need to be secured by driving two screws through the overlapping portions of the outer fl ues using the pilot holes (see Figure 8.7). Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 33: Disassemble Vent Sections
Improper support may allow vent to sag or Figure 8.9 Securing Horizontal Pipe Sections separate. Figure 8.10 Rotate Seams for Disassembly Figure 8.11 Align and Disassemble Vent Sections Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 34: Install The Heat Shield And Horizontal Termination Cap
Pipe may separate if not properly joined. WARNING Do NOT connect a pipe section to a termination cap without using the telescoping fl ue section found on the termination cap. Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 35 Figure 8.12 Venting through the Wall Note: Where required, an exterior wall fl ashing is available. When penetrating a brick wall, a brick extension kit is available for framing the brick. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 36: Install Roof Flashing And Vertical Termination Cap
Inspect external vent cap regularly. Collar • Ensure no debris blocks cap. Screws • Combustible materials blocking cap may ignite. Caulk • Restricted air flow affects burner operation. Figure 8.15 Secure with Screws Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 37: Assemble And Install Storm Collar
fl ashing. Figure 8.16 Assembling the Storm Collar Caulk around the top of the storm collar (see Figure 8.15). Figure 8.17 Assembling the Storm Collar Around the Pipe Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 38: Gas Information
Pressure Natural Gas Propane Minimum Inlet Pressure 5.0 in. w.c. 11.0 in. w.c. Maximum Inlet Pressure 7.0 in. w.c. 14.0 in. w.c. Manifold Pressure 3.5 in. w.c. 10.0 in. w.c. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 39: High Altitude Installations
Fire Risk Do NOT change the valve settings. • This valve has been preset at the factory. • Changing valve settings may result in fi re hazard or bodily injury. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 40: Electrical Information
Do NOT wire 110V to valve. Do NOT wire 110V to wall switch • Incorrect wiring will damage millivolt values. • Incorrect wiring will override IPI safety lockout and may cause explosion. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 41: Standing Pilot Ignition System Wiring
Button optional wall switch Ignitor WSK-MLT-HTL Gas Inlet To Burner Manifold Pressure Pilot Adjustment Fitting Adjustment Manifold (outlet) Inlet Tap Pressure Tap Figure 10.3 Standing Pilot Ignition Wiring Diagram Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 42: Junction Box Installation
(1/4 in. male) as shown. Figure 10.5 Junction Box Wired to Wall Switch or BC10 Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 43: Finishing
Top and Side Seal Joint • Seal joints between the fi nished wall and appliance top and sides using only a 300° F minimum sealant. Figure 11.3 Noncombustible Facing Diagram Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 44: Appliance Setup
• Replace rockwool material annually. rotate bottom of screen to lower door latches. Improperly placed rockwool interferes with • Close lower access panel and reinstall top grille. proper burner operation. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 45: Glass Assembly
Pull out and latch all four or seven glass assembly latches Figure 12.3 Installing the Hood into the groove on the glass frame. • Replace fi rescreen. Latches (both bottom and top) Glass Assembly Figure 12.2 Glass Assembly Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 46: Air Shutter Setting
See Figure 12.4. • Replace the valve assembly, wing nuts and wing studs as removed, making sure to line the orifi ce up with the main burner neck. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 47: Operating Instructions
Glass door MUST be in place and sealed water. before operating appliance. • Only use glass doors certifi ed for use with the appliance. • Glass replacement should be done by qualifi ed technician. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 48: Lighting The Appliance
B. Lighting the Appliance Intellifi re Ignition Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 49: Standing Pilot Ignition
Standing Pilot Ignition VENT Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 50: After The Appliance Is Lit
In an Intellifi re ignition system it is normal to see the pilot fl ame, but it should turn off when ON/OFF burn continually? switch is turned off. In a standing pilot system the pilot will always stay on. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 51: Troubleshooting
Check the burner orifi ce for stoppage. Remove stoppage. Wall switch or wires are Follow the corrective action in Symptom and Possible Cause 1.A. above. defective. Check the switch and wiring. Replace where defective. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 52: Corrective Actions
Ensure that no debris has been placed at the base of, or in the area of the air holes in the center of, the base pan beneath the burner. Ensure that the glass is tightened properly on the appliance, particularly on top corners. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 53: Intellifi Re Ignition System
“I” terminal, module must be replaced. If there is a spark at “I” terminal, module is fi ne. Inspect pilot assembly for shorted sparker wire or cracked insulator around electrode. Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 54 Verify that spark gap from ignitor to pilot hood is .17 in. or 1/8 in. Module is not grounded. Verify module is securely grounded to metal chassis of appliance. Module voltage output/ Replace module. valve/pilot solenoid ohms readings. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 55: Maintaining And Servicing The Appliance
A i r p a s s a g e w a y s , g r i l l e s , c o n t r o l compartment. • Burner, burner ports. Risk of: • Fire • Delayed ignition or explosion • Exposure to combustion fumes • Odors Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 56: Maintenance Tasks
Verify operation of remote. Replace batteries in remote transmitters and battery-powered receivers. Verify batteries have been removed from battery back-up in IPI systems to prevent premature battery failure or leaking. Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 57: Reference Materials
(203 mm) 15-3/4 in. (400 mm) Model ND3630 8 5/8 23-1/2 in. (597 mm) ND3933 11 5/8 ND4236 14 5/8 1041 ND4842 20 5/8 1194 1067 Figure 16.1 Appliance Dimensions Heatilator • Novus DV • 4031-550 Rev G • 11/07... -
Page 58: Vent Components Diagrams
High Rise Termination Cap - Unpainted Stainless Steel (not approved for all units) DVP-HRC-ZC-SS High Rise Termination Cap - Zero Clearance - Unpainted Stainless Steel (not approved for all units) 4033-016 DVP-TRAP to DVP-HPC Side Filler Kit Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 59 1-1/2 in. 10 in. (38 mm) (254 mm) 8 in. (203 mm) 14 in. (356 mm) 12 in. (305 mm) 5 in. (127 mm) DVP-WS DVP-HVS Wall Shield Firestop Vent Support Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 60 7-1/8 in. (308 mm) (181 mm) 5-3/4 in. (146 mm) COOL-ADD Cap Shield DVP-TRAPFL Flashing 13-7/8 in. 9-1/2 in. (352 mm) (241 mm) 14 in. (356 mm) DRC-RADIUS Cap Shield Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 61 (197 to 264 mm) 12 in. (305 mm) DVP-FBHT 7-1/8 in. 12-1/8 in. Fire Brick Termination Cap (181 mm) (314 mm) 8-3/4 in. (222 mm) 1-5/8 in. (41 mm) DVP-HPC High Performance Cap Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 62 5-5/8 in. 105 mm 143 mm TRAP2 6-3/4 in. 10-5/8 in. 171 mm 270 mm 12 in. Effective (305 mm) Length DVP-TRAP Horizontal Termination Cap DVP-TRAP1 DVP-TRAPK1 DVP-TRAP2 DVP-TRAPK2 DVP-HPC2 DVP-HPC1 Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 63 8-3/8 in. 5-3/4 to 8-3/8 in. 140 mm 213 mm 146 to 213 mm 3° 87° 10-1/2 in. 267 mm 10-7/8 in. 276 mm DVP-HRC-ZC-SS (Not approved for ND4842 series) Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 64: Service Parts List
C. Service Parts List ND3630 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 30 in. Novus Circulating - DV Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 65 30831 30831 30831 30831 Lava Rock 4021-295 4021-295 4021-295 4021-295 Mineral Wool 14333B 14333B 14333B 14333B Vermiculite 28746 28746 28746 28746 Installation Instructions & Owner’s Manual 4031-550 4031-550 4031-550 4031-550 Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 66: Service Parts
ND3630 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 30 in. Novus Circulating - DV #13 SP VALVE ASSEMBLY #13 IPI VALVE ASSEMBLY Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 67 4018-018 4018-018 4018-018 4018-018 4021-193 4021-193 4021-193 4021-193 24 in. Replacement Pilot Tube Assy Shoulder Screws 501- 501- 501- 501-836/25 * Removed from Valve Assembly and put into install packet. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 68 ND3933 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 33 in. Novus Circulating - DV Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 69 30831 30831 Lava Rock (1lb Bag) 4021-295 4021-295 4021-295 4021-295 Mineral Wool 14333B 14333B 14333B 14333B Vermiculite 28746 28746 28746 28746 Installation Inst. & Owner’s Manual 4031-550 4031-550 4031-550 4031-550 Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 70 ND3933 SERIES Service Parts Service Parts Diagram Beginning Manufacturing Date:4/7/03 33 in. Novus Circulating - DV Ending Manufacturing Date: Active #13 SP VALVE ASSEMBLY #13 IPI VALVE ASSEMBLY Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 71 4018-018 4018-018 4018-018 4018-018 24 in. Repl Pilot Tube Assembly 4021-193 4021-193 4021-193 4021-193 Shoulder Screws 501-836/25 501-836/25 501-836/25 501-836/25 * Removed from Valve Assembly and put into install packet. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 72 ND4236 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 36 in. Novus Circulating Fireplace - DV Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 73 30831 30831 Lava Rock (1lb Bag) 4021-295 4021-295 4021-295 4021-295 Mineral Wool 14333B 14333B 14333B 14333B Vermiculite 28746 28746 28746 28746 Installation Inst. & Owner’s Manual 4031-550 4031-550 4031-550 4031-550 Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 74 ND4236 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 36 in. Novus Circulating Fireplace - DV #13 SP VALVE ASSEMBLY #13 IPI VALVE ASSEMBLY Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 75: Parts List
Post GA1587915 4018-018 4018-018 Pilot Tube Asembly (24 in) 4021-193 4021-193 4021-193 4021-193 Shoulder Screws 501-836/25 501-836/25 501-836/25 501-836/25 1 * Removed from Valve Assembly and put into install packet. Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 76 ND4842 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 42 in. Novus Circulating Fireplace - DV Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 77 30831 30831 Lava Rock (1lb Bag) 4021-295 4021-295 4021-295 4021-295 Mineral Wool 14333B 14333B 14333B 14333B Vermiculite 28746 28746 28746 28746 Installation Inst. & Owner’s Manual 4031-550 4031-550 4031-550 4031-550 Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 78 ND4842 SERIES Service Parts Beginning Manufacturing Date: 4/7/03 Service Parts Diagram Ending Manufacturing Date: Active 42 in. Novus Circulating Fireplace - DV #13 SP VALVE ASSEMBLY #13 IPI VALVE ASSEMBLY Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 79 Post GA1587915 4018-018 4018-018 4018-018 4018-018 4021-193 4021-193 4021-193 4021-193 Pilot Tube Assembly (24 in) Shoulder Screws 501-836/25 501-836/25 501-836/25 501-836/25 *Removed from Valve Assembly and put into install packet. Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 80: Optional Components
Modernist-style black column decorative faux front with black handles FFAC30 Arts & Crafts style black column decorative faux front with black handles FFAC33 Arts & Crafts style black column decorative faux front with black handles Heatilator • Novus DV • 4031-550 Rev G • 11/07... - Page 81 Modernist-style black column decorative faux front with black handles FFAC42 Arts & Crafts style black column decorative faux front with black handles FFAC36 Arts & Crafts style black column decorative faux front with black handles Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 82 Arts & Crafts-Style Fixed, Cabinet-Style Faux Front Arched Glass Doors Fixed Bi-fold Doors Modernist-Style Faux Front Heatilator • Novus DV • 4031-550 Rev G • 11/07...
- Page 83 Center piece is not part of the refractory for the 3630 model TB36 Traditional Brick Refractory Center piece is not part of the refractory for the 3630 model. HB36 Herringbone Brick Refractory Heatilator • Novus DV • 4031-550 Rev G • 11/07...
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Page 87: Limited Lifetime Warranty
If the Heatilator Appliance is found to be defective in either material or workmanship within one year of the date of original installation, HHT will provide replacement parts at no charge and pay reasonable labor and freight costs, and is for the period of one year following the date of original installation of the Appliance. -
Page 88: Contact Information
1915 W. Saunders Street Mt. Pleasant, Iowa 52641 www.heatilator.com Please contact your Heatilator dealer with any questions or concerns. For the number of your nearest Heatilator dealer, please visit www.heatilator.com. - NOTES - CAUTION DO NOT DISCARD THIS MANUAL Read, understand Leave this manual with •...
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Questions and answers
Hi, I have a vent setting that can be set from hi to low. My question — is that the vent setting to the outside of the house or the vent setting for fireplace heat into the home? I **** wanting less heat to escape to outside and more to stay in the home. So would I put the setting to hi or lo? Thank you!
The Heatilator ND3933 is a direct vent gas appliance, meaning it is designed to vent combustion gases to the outside while drawing in fresh air for combustion. This setup ensures efficient heating while maintaining indoor air quality.
To retain more heat indoors, the vent setting should be set to low, as this reduces the amount of heat lost through the venting system, allowing more warmth to stay inside the home.
This answer is automatically generated