2.Locate setup switch SW4 on furnace control. (See Fig. 33.)
3.See Table 5 for setup switch description. (See Fig. 40 and Fig. 49.)
4.Replace main furnace door and blower access panel.
Prime Condensate Trap with Water
!CAUTION
UNIT OPERATION HAZARD
Failure to follow this caution may result in intermittent unit operation or performance satisfaction.
Condensate trap must be PRIMED or proper draining may not occur. The condensate trap has two internal chambers which can ONLY be primed by pouring water into the inducer drain side of condensate trap.
A04001
Fig. 48 - Example of Setup Switch in Off Position
355CAV
45