WIRING DIAGRAM SPECIFICATIONS TECHNICAL SERVICE REPLACEMENT PARTS
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WIRING DIAGRAM
Note: For proper operation of optional accessories, the wires from the switch to the control must be connected exactly as shown.
A |
|
UTO | |
OF | |
ON | F |
| |
|
|
| Thermopile |
SPECIFICATIONS |
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| |
|
| ||
| Natural Gas | Propane/LP | |
Btu (Variable) | 20,000/39,000 | 20,000/39,000 | |
Type Gas | Natural Gas Only | Propane/LP Only | |
Ignition | Piezo | Piezo | |
Pressure Manifold | 3.5" W.C. | 8.0" W.C. | |
Inlet Gas Pressure (in. of water) |
|
| |
Maximum | 10.5" | 14" |
|
Minimum* | 5" | 11" |
|
Shipping Weight | 32 lbs. | 32 lbs. | |
* For input adjustment |
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SERVICE HINTS
When Gas Pressure Is Too Low
•pilot will not stay lit
•burners will have delayed ignition
•heater will not produce specified heat
•propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local natural or propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at
You can also visit DESA International’s technical services web site at www.desatech.com.
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 International’s Technical Service Department at
•your name and address
•model and serial numbers of your heater
•how heater 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 International at
•model number of your heater
•the replacement part number
For more
visit www.
.com
