MAINTENANCE OF YOUR NEW GAS-FIRED FURNACE NOTE TO INSTALLER: THIS MANUAL MUST BE LEFT WITH THE EQUIPMENT USER. MODEL PG8HAA HORIZONTAL WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
Take a little time now to assure its most efficient operation for years to come. * The output capacity and any representations of efficiency for this furnace are based on standard Department of Energy test procedures. PG8HAA HORIZONTAL FURNACE COMPONENTS (shown in horizontal-left configuration) Primary serpentine heat exchanger.
IMPORTANT FACTS Your furnace must have adequate airflow for efficient combustion and safe ventilation. Do not enclose it in an airtight room or “seal” it behind solid doors. carefully follow these safety To minimize the possibility of serious personal injury, fire, damage to your furnace, or improper operation, rules •...
• Read and follow the operating instructions on the furnace, especially the item that reads as follows: STOP! Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, Follow “B” in the safety infor- mation above on this furnace label.
4. Turn the switch on the gas valve to the OFF position and wait 5 minutes. (See Fig. 8.) 5. After waiting 5 minutes, turn the switch on the gas valve to the ON position. (See Fig. 9.) 6. Turn on the electrical supply to the furnace. (See Fig. 10.) 7.
4. Turn the switch on the gas valve to the OFF position. (See Fig. 15.) 5. If the furnace is being shut down because of a malfunction, call your dealer as soon as possible. ® PERFORMING ROUTINE MAINTENANCE With proper maintenance and care, your furnace will operate economically and dependably. Instructions for basic maintenance are found on this and the following pages.
7. Wash the filter (if dirty) in a sink, bathtub, or outside with a garden hose. Always use cold tap water. A mild liquid detergent may be used if necessary. Spray water through the filter in the opposite direction of airflow through the cross-mesh binding side. Allow filter to dry. 8.