WIRING DIAGRAM
PILOT
BURNER
IGNITOR 
THERMOPILE
PILOT GAS
LINE
| ON |
LO | T |
| |
I |
|
P | |
| FFO |
INCOMING
MAIN GAS
SUPPLY
PILOT SAFETY WIRE
REPLACE FACTORY WIRING WITH 105°C EQUIVALENT OR HIGHER RATING
EXTERNAL WIRING USE ONLY CLASS 2 THERMOSTAT WIRE 18 GA. RED/WHITE
| DO NOT | |
| CONNECT | |
RED | TO 120V | |
|
| |
WHITE |
|
|
| N.O. SW | N.C.SW |
TH |
|
|
TP | MANUAL |
|
TH/TP | DAMPER |
|
SWITCH | (VENT SAFETY | |
|
| |
SHUTOFF SWITCH)
WALL SWITCH (SUPPLIED)
SERVICE HINTS
When Gas Pressure Is Too Low
•pilot will not stay lit
•burner will have delayed ignition
•fireplace will not produce specified heat
•propane/LP gas supply may be low if using propane/LP gas
If using propane/LP gas, you may feel your gas pressure is too low. If so, contact your local pro- pane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation, operation or troubleshooting. If so, contact DESAʼs Technical Service Department at
You can also visit DESAʼs 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 canʼt supply original replacement part(s) call DESAʼs Technical Service Department at
When calling DESA, have ready
•your name
•your 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 canʼt supply original replacement part(s) call DESA at
When calling DESA, have ready
•model number of your fireplace
•the replacement part number
22 | www.desatech.com |