15
R
Y
C
G
W
1
2
3
4
5
6
7
8
9
Gray
Yellow
Blue
ECONOMIZER PLUG
INDOOR
THERMOSTAT
SUB-BASE
1
2
3
4
5
6
7
8
9
Brown
Orange
ACCESSORY
HEAT PLUG
C
W1
R
Y2
Y1
G
TERMINAL
STRIP
Red
Black
Green
FROM TRANSFORMER
FROM CONTACTOR - Optional
(Check T-stat Instructions)
FROM BLOWER RELAY
typical Wiring (Field Supplied) for 1-Stage cool, 1-Stage Heat
typical Wiring (Field Supplied) for 2-Stage cool, 1-Stage Heat with an optional outdoor thermostat
Figure 10. typical air conditioner thermostat connections (208/230v)
Optional Outdoor T-Stat
(Field Supplied)
R
Y2
C
G
W1
1
2
3
4
5
6
7
8
9
Gray
Yellow
Blue
ECONOMIZER PLUG
INDOOR
THERMOSTAT
SUB-BASE
1
2
3
4
5
6
7
8
9
Brown
Orange
ACCESSORY
HEAT PLUG
C
W1
R
Y2
Y1
G
TERMINAL
STRIP
Red
Black
Green
FROM TRANSFORMER
FROM CONTACTOR - Optional
(Check T-stat Instructions)
FROM BLOWER RELAY
Y1
W2