Desa (V)V42PA(1), CHDV42NRA installation manual Troubleshooting, Observed Problem Possible Cause

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TROUBLESHOOTING

TROUBLESHOOTING

Note: For additional help, visit DESA’s technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off heater and let cool before servicing. Only a quali- fied service person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean pilot. This can damage pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor. Nut is located behind the mounting bracket

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace pilot assembly

7.Replace pilot assembly

When ignitor button is pressed, there is spark at pilot but no ignition

1.Gas supply turned off or equipment shutoff valve closed

2.Gas control knob not in PILOT position

3.Gas control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.Depleted gas supply (propane/LP models only)

6.Pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn gas control knob to PILOT position

3.Press in gas control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is re- moved

5.Contact local propane/LP gas company

6.Clean pilot (see Cleaning and Mainte- nance, page 29) or replace pilot assembly

7.Replace gas control

Pilot lights but flame goes out when control knob is released

1.Gas control knob not fully pressed in

2.Gas control knob not pressed in long enough

3.Equipment shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in gas control knob fully

2.After pilot lights, keep gas control knob pressed in 30 seconds

3.Fully open equipment shutoff valve

4.A) Contact local natural or propane/LP gas company

B)Clean pilot (see Cleaning and Maintenance, page 29) or replace pi- lot assembly

5.Hand tighten until snug, then tighten 1/4 turn more

6.Replace pilot assembly

7.Replace control valve

For..com

111906-01B

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Contents OWNER’S Operation Installation Manual For Your SafetyFor Your Safety What to do if YOU Smell GAS Table of Contents Safety InformationSafety Information Product Identification Local CodesProduct Features PRE-INSTALLATION PreparationLocation and Space Requirements Clearances Framing and FinishingLocation of Termination CAP Balcony with Perpendicular Side WallVenting Installation Instructions Installation PrecautionsInstallation Planning Horizontal Termination InstallationInstalling Horizontal Vent Cap Noncombustible Exterior Horizontal Termination Configurations Horizontal HCorner Installation Horizontal System Installation Using TWO Elbows Venting with Two 90 ElbowsInstallation for Vertical Termination Flat Ceiling InstallationVertical Termination Configurations Venting with One 90 ElbowElbows High Altitude Installation Vertical VentingNumber Description Desa Elbows Desa Venting AccessoriesDesa 5/8 Pipe & Vent Kits Desa TerminationsModel BK Installation Fireplace InstallationInstalling Optional Blower Accessories Check GAS TypeModel BKT Installation Blower Model BKTInstalling GAS Piping to Fireplace Location Blower Wiring DiagramInstallation Items Needed Pressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyInstallation Items Needed Checking GAS ConnectionsPressure Testing Fireplace Gas Connections Checking Gas Joints for Propane/LP Gas FireplaceReplace the switch bracket Removing Louver Panels Cleaning Glass DoorREMOVING/REPLACING Glass Door Removing Glass DoorsInstalling LOGS, Lava Rock and Glowing Embers Installing Rear Brick PanelInstalling Log No and Log No Operating Fireplace For Your Safety Read Before LightingManual Lighting Procedure Lighting InstructionsOptional HAND-HELD Remote Operation Thermostat Series Models Ghrctb and CghrctbON/OFF Series Models Ghrcb and Cghrcb Inspecting Burners Operating Optional Blower AccessoryPilot Assembly Operating Optional GWMT1 Wall Mounted ThermostatPilot and Burners Cleaning MaintenanceGlass Door LogsTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Gas leak. See Warning statement AboveTechnical Service Replacement PartsService Hints SpecificationsIllustrated Parts Breakdown CHDV42NRAParts List CHDV42NRA Description QTYIllustrated Parts Breakdown KEY Part Number Description QTY Accessories Owners Registration Form Postage Required 111906-01B Warranty Information

CHDV42NRA, (V)V42PA(1) specifications

Desa CHDV42NRA and (V)V42PA(1) represent a line of advanced heating solutions that embody efficiency, comfort, and modern technology. Designed to meet the demands of contemporary living spaces, these heating systems integrate advanced engineering with user-friendly features, making them ideal for various residential settings.

The main feature of the Desa CHDV42NRA is its innovative heating efficiency. It utilizes a high-capacity burner system that ensures optimal fuel consumption while delivering rapid warmth. With a heat output of 42,000 BTUs, it is capable of heating large spaces effortlessly. Its design also prioritizes safety, equipped with an automatic shut-off mechanism that engages in abnormal operating conditions. This feature ensures peace of mind for users, knowing they are protected against potential risks.

In terms of technology, the Desa (V)V42PA(1) stands out with its modern thermostat integration. This allows homeowners to set their preferred temperatures easily, enhancing comfort levels while conserving energy. The system can be connected to smart home devices, enabling remote control through smartphone applications. Users can adjust settings, monitor performance, and even schedule heating cycles to fit their daily routines, maximizing efficiency.

Another characteristic worth noting is the dual-fuel capability featured in both models. This flexibility allows users to choose between propane and natural gas, making it adaptable to different fuel sources depending on availability and cost. The versatility contributes to reduced operating costs while ensuring a steady supply of heat, regardless of external conditions.

Ease of maintenance is another aspect where the Desa CHDV42NRA and (V)V42PA(1) excel. With accessible design features, routine checks and upkeep are simplified, reducing downtime and ensuring optimal performance. The aesthetic appeal of these units, with sleek, contemporary designs, means they can blend seamlessly into varied interior decors, enhancing the overall ambiance of the living space.

In conclusion, the Desa CHDV42NRA and (V)V42PA(1) embody a perfect balance of efficiency, technology, safety, and user-friendliness. They are ideal for homeowners looking for reliable heating solutions that adapt to their lifestyle while maintaining an eco-friendly approach. With these models, users benefit from enhanced comfort without compromising on cost-effectiveness or sustainability.
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