Adjust Gas Pressure Settings
1.Turn off the gas and the power supply.
2.Hold both ends of the bottom cover (undercover assembly) and pull toward you to remove the cover. Cover snaps in place.
3.Remove the 7 screws that hold the front panel and the louver assembly to remove panel from the unit. Pull the panel out at the bottom about 4 inches (100 mm) and lift up over clips that hold it in place at the unit’s top.
4.Remove two test point screws (1/8 NPT tap) with 3/16 Allen wrench and attach the manometer to both test ports. Both ports must be used in order to measure the differential pressure. Ensure that the manometer is properly calibrated.
Do not touch any other areas on the PC board besides the “SW” switches while power is supplied to the appliance. Parts of the PC board are supplied with 120 volts AC.
5.Turn on the gas and power supply to the appliance. With the unit in the Off position, press the SW1 switch at the top of PC board until it beeps.
6.Select the correct code on the LED display using
▲and ▼ buttons:
High altitude is above 2000 ft (610 m).
L1: Propane gas at low (sea level) altitude
L2: Propane gas unit at high altitude
A1: Natural gas at low (sea level) altitude
A2: Natural gas unit at high altitude
7.Press the SW1 test button to record the gas type code into memory. The LED will display “F1”. If not shown, use the ▲ and ▼ buttons to obtain “F1”.
8.Press the SW1 switch to enter this code into memory.
9.The LED will display the temperature scale. Use the ▲ and ▼ buttons to select the Fahrenheit or Celsius scale.
10.Press the SW1 switch to enter the temperature scale into memory.
Set Temp Room Temp
LED display
Test points
SW1
Temp
Control
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