7. Wait 30 minutes and check the back of the heater for increased
temperature (too warm for continual contact) – 150° F (66° C), depress
the pilot knob again to ensure it is engaged.
8. Turn the gas valve to the "On" position after 30 minutes or when
terminals 3‐5 read 200+ mV. See Figure 14.
9. Wait 10 minutes before disconnecting and storing battery cables.
Stopping the Heater
1. If the heater is on and you wish to manually switch the operation to stand‐by mode, turn the black
knob on the gas control valve to "Pilot" setting.
2. To shut the heater off completely, close the manual, on‐off ball valve (isolation valve) outside of the
control cover. The heater can also be turned off by closing the isolation valve on the Propane/LPG
tank. See Figure 15.
ASDI Operations and Maintenance – Second Sun – P/N 52793
Fig. 15
Fig. 14
17