Wiring Diagram
Note: For proper operation of optional acces- |
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sories, the wires from the switch to the control |
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must be connected exactly as shown. |
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| A |
| UTO |
| O |
| FF |
| ON |
| Thermopile |
Specifications | |
VYGF33NRC | VYGF33PRC |
• Rating: 20,000/30,000 Btu/Hr | • Rating: 20,000/33,000 Btu/Hr |
• Gas Type: Natural Gas | • Gas Type: Propane/LP Gas |
• Ignition: Piezo | • Ignition: Piezo |
• Pressure Manifold: 3.5" W.C. | • Pressure Manifold: 8.0" W.C. |
• Inlet Gas Pressure (in. of water): | • Inlet Gas Pressure (in. of water): |
Maximum - 10.5" W.C., Minimum* - 5" W.C. | Maximum - 14" W.C., Minimum* - 11" W.C. |
• Shipping Weight: 122 lbs. | • Shipping Weight: 122 lbs. |
* For input adjustment | * For input adjustment |
Replacement Parts
Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.
Parts Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating, LLC at
•your name and address
•model and serial numbers of your fireplace
•how fireplace was malfunctioning
•type of gas used (propane/LP or natural gas)
•purchase date
Usually, we will ask you to return the part to the factory.
Parts Not Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating, LLC at
•model number of your fireplace
•the replacement part number
Technical Service
You may have further questions about instal- lation, operation or troubleshooting. If so, contact DESA Heating, LLC at
You can also visit DESA Heating, LLC’s web site at www.desatech.com.
Service Hints
When Gas Pressure Is Too Low
•pilot will not stay lit
•burner will have delayed ignition
•fireplace will not produce specified heat
•for propane/LP unit, propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local gas supplier.
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