White Rodgers 50A55-438 - Manuals

2 SPECIFICATIONS ELECTRICAL RATINGS [@ 77 ° F (25 ° C)]: Input Voltage: 25 VAC, 50/60 Hz Max. Input Current @ 25 VAC: 0.45 amp Relay Load Ratings: Valve Relay: 1.5 amp @ 25 VAC, 50/60 Hz, 0.6 pfIgnitor Relay: 6.0 amp @120 VAC, 50/60 Hz, (resistive) Flame Current Requirements: Minimum current to insu...

3 INSTALLATION WARNING CAUTION FIRE HAZARD • Do not exceed the specified voltage.• Replace existing control with exact model and dash number. • Protect the control from direct contact with water (dripping, spraying, rain, etc.). • Label all wires before disconnection when servic- ing controls. Wirin...

6 OPERATION COOL delay- to-fan-off: Set switch #1 COOL delay- to-fan-off: Set switch #2 #3 0 sec. 80 sec. OnOff 60 sec. 100 sec.140 sec.180 sec. On OffOn OnOff OnOff Off OPTION SWITCH POSITIONS OPTION SWITCHES The option switches on the 50A55-438 control are used todetermine the length of the cool d...