TYPICAL SYSTEM WIRING DIAGRAMS
COOL ONLY (SINGLE OR MULI-STAGE)
OPTIONAL
REMOTE SENSOR
TERMINALS
S2
S1
AUX
SC
OUTDOOR
INDOOR
SENSOR
SENSOR
Switch Settings
Switch 1 =
OFF
Switch 2 =
OFF
Switch 3 =
OFF/ON
Switch 4 =
OFF
W2
Y1
Y2
AUX
O/B
COOL 2
RELAY
COOL 1
RELAY
Heat/Cool
Fan energized on call for cooling
OFF
= Single Stage
Leave OFF
14
W1
G
R
C
THERMOSTAT
EQUIPMENT
FAN
RELAY
24 V
ON
= Multi-stage
LINE