Brown
1
Orange
2
3
4
5
6
7
8
9
ACCESSORY
HEAT PLUG
ECONOMIZER
PLUG
1
Gray
2
3
Yellow
4
Blue
5
6
7
8
9
Typical Wiring (Field Supplied) for 1-Stage Cool, 1-Stage Heat
Brown
1
Orange
2
3
4
5
6
7
8
9
ACCESSORY
HEAT PLUG
ECONOMIZER
PLUG
1
Gray
2
3
Yellow
4
Blue
5
6
7
8
9
Typical Wiring (Field Supplied) for 2-Stage Cool, 2-Stage Heat with an Optional Outdoor Thermostat
Figure 10. Typical Air Conditioner Thermostat Connections - 208/230V
ELECTRICAL INFORMATION
W
G
C
Y
R
INDOOR
THERMOSTAT
SUB-BASE
Optional
Outdoor Thermostat
(Field Supplied)
W2
W1
G
C
Y2
Y1
R
INDOOR
THERMOSTAT
SUB-BASE
FROM
BLOWER RELAY
Green
FROM
CONTACTOR
Black
(Optional,
Check
Thermostat
Instructions)
FROM
TRANSFORMER
Red
FROM
BLOWER RELAY
Green
FROM
CONTACTOR
Black
(Optional, Check
Thermostat Instructions)
FROM
TRANSFORMER
Red
15