GAS VALVE
Fig. 1A — Gas Valve Location (Sizes 004-007)
Fig. 1B — Gas Valve Location (Sizes 008-014)
TO SHUT UNIT OFF
Do not turn off the electrical power to unit without first turning off the gas supply.
Failure to follow this procedure can result in serious fire or personal injury.
Refer to Fig. 3 while proceeding with the following steps.
Step 1 — Set room thermostat to lowest temperature setting and set SYSTEM switch to OFF position.
Step 2 — Close the external manual gas valve.
Step 3 — Turn off the electrical power supply to unit and install lockout tag.
Step 4 — Remove the burner access panel.
Step 5 — Move the control on the gas valve to the OFF position.
Step 6 — Replace the burner access panel.
Step 7 — If unit is being shut down because of a malfunc- tion, call your dealer as soon as possible.
If unit is being shut down because the heating season has ended, restore electrical power to the unit to ensure operation of the cooling system during the cooling season.
Should overheating occur, or the gas supply fail to shut off, shut off the manual gas valve to the unit before shutting off the electrical supply.
Do not use this unit if any part has been under water. Imme- diately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control which has been under water.
MAINTAINING YOUR UNIT
All maintenance should be handled by skilled, experienced personnel. Your dealer can help you establish a standard procedure.
For your safety, keep the area around the unit clear and free of combustible materials, gasoline, and other flammable liq- uids and vapors.
To ensure proper functioning of the unit, flow of combus- tion and ventilating air must not be prevented from reaching the unit. Clearance of at least 3 ft on size
ROUTINE MAINTENANCE AND CARE
FOR THE EQUIPMENT OWNER
Consider the following information before maintaining or servicing equipment:
1.TURN OFF GAS SUPPLY AND THEN ELECTRI- CAL POWER TO YOUR UNIT BEFORE SERVIC- ING OR PERFORMING MAINTENANCE.
2.Do not turn off electrical power to this unit without first turning off the gas supply.
3.When removing access panels or performing mainte- nance functions inside your unit, be aware of sharp sheet metal parts and screws. Although special care has been taken to reduce sharp edges inside the unit, be extremely careful when handling parts or reaching into the unit.
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