6
Desert Aire - SP Manual
D. Do not attempt to operate unit, if there is indication that any part has been under water. Any control or
component under water must be immediately replaced by a qualified service technician prior to trying to
start the unit.
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above on this label and Refer to individual furnace Sequence of
Operation to determine manifold pressures at start-up and during operation on the modulating furnace.
2. Set the thermostat to lowest setting.
3. Turn off all electric power to the appliance.
4. This appliance is equipped with an ignition device that automatically lights the burner.
DO NOT
try to light
the burner by hand.
5. On 2-stage units, turn gas control knob clockwise to “OFF” position or switch down for single stage.
6. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas,
STOP! Follow “B” in the safety information above on this label. If you don’t smell gas, go to next step.
7. Turn gas control knob counterclockwise to “ON” position on 2-stage units or flip up to “ON” for single stage
units.
NOTE: DO NOT FORCE.
8. Turn on all electric power to unit.
9. Set thermostat to desired setting.
10. If appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service
technician or gas supplier.
TO TURN OFF GAS TO APPLIANCE
1. Set thermostat to lowest setting.
2. Turn off all electric power to the appliance if service is to be performed.
3. On 2-stage units, turn gas control knob clockwise to “OFF” position or switch down for single
stage.
DO NOT FORCE.
Gas Control
Switch
On / Off (1 Stage) Gas Valve
Summary of Contents for SelectAire Plus SP Series
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