S2200D Operation and Service Manual
P/N 974-9246 Rev 5.00 Jan 18,2022
12
Start
1. Set GAS SELECTOR VALVE to gas being used (dual-fuel models).
NOTE: When using Propane Gas the Selector valve must be
locked in position.
Natural Gas
Propane
2. Ensure the firing valve (manual valve nearest the burner) is in the “ON”
position.
3. Connect power. Use appropriate power supply as indicated by the
specification label and the electric motor plate.
4. Open gas supply.
5. Select desired heat mode (see above).
6. Press the START button.
7. If the thermostat is calling for heat then the status will change to “Ig-
nition.” Blower will start up and after about 30 seconds the burner will
ignite.
8. After flame is established, the status will change to “ON” with one or
two flame symbols depending on whether the heater is in high or low
fire (2 for high or 1 for low).
Stop
1. Press the STOP button.
2. Status will change to “OFF.”
3. Heater will go through shutdown phase. Burner will be in post purge
for approximately 20-30 seconds. Main fan will shut down when heater
has cooled down enough.
Warning: Do not stop the heater by turning off the main electrical
switch. Heat accumulated in the heater can damage burner or safety
equipment.
Operating Instructions
