USER’S INSTRUCTION GUIDE INSTALLATION, OPERATION AND MAINTENANCE MANUAL Model Serial Number Date of Purchase For future reference write down the model, serial number, and date of purchase. Use these numbers in any correspondence or service calls concerning your furnace. Keep these instructions for future reference. CATEGORY I NATURAL GAS AND LP GAS WARM AIR FURNACE LOCATED AFTER PAGE 43 OF THIS 23-23-0508N-003 MODEL 77FV95A054 FV95A072 < FV95A090< FV95A108 HIGH EFFICIENCY TWO STAGE VARIABLE SPEE

The inducer is installed so that the left side exits require no rotation. If exhaust vent exits the left-side panel the pipe can be routed straight outside the cabinet. If exhaust vent exists the right-side panel the inducer requires rotation. The pipe exiting the cabinet in any installation should be long enough to install the vent clamp on the outside of the cabinet. The opening in the floor must provide adequate clearances to the combustible material. A half-inch of clearance will be required

Remove BLOWER BOLTS FIGURE 15 37 DO NOT OPERATE THE FURNACE WITHOUT AN AIR FILTER. Air Filter The filter should be inspected frequently and cleaned as necessary. We recommend a monthly inspection at first, perhaps coinciding with the arrival of the monthly fuel bill as a reminder. The frequency may be increased or decreased depending on experience and conditions. Lubrication Both the induced draft blower motor and circulating fan motor are ball bearing type motors. Neither requires routine lubri

The furnace is supplied with a drain trap assembly. See page 26, Figures 11-14 for possible locations of the drain trap. The drain coupling on the inducer will work better if the drain holes are pointed down about 15 degrees. The drain hose supplied with the furnace is long enough to reach either side panel; however, it must be cut near the blower division panel and fitted with the elbows and clamps provided. This is to prevent kinking in the drain lines. CAUTION The two inlets to the drain trap