Robertshaw RS10420T - Wiring Diagrams

WIRING DIAGRAMS
8
Power supply
Factory-installed jumper. Remove only when installing on
2-transformer systems
Use either O or B terminals for reversing valve
24 VAC common connection
Typical 2H/2C System: 1 Transformer
COMPRESSOR
RELAY
COMPRESSOR
RELAY 2
HEAT RELAY
FAN RELAY
(HOT)
HEAT RELAY 2
COMPRESSOR
RELAY
(HOT)
FAN RELAY
Typical Cool-Only System With Fan