035-14520-001 Rev. B (0803)
18
Unitary Products Group
FIGURE 14 :
Cooling Wiring
THERMOSTAT
OUTDOOR
UNIT
FAN
COIL
UNIT
R
Y
G
W
R Y G W2 W1 O C
*
THERMOSTAT
OUTDOOR
UNIT
FAN
COIL
UNIT
R
Y
G
W
R Y G W2 W1 O C
* NOT REQUIRED ON 2 OR 5KW
COOLING ONLY
COOLING WITH ELECTRIC HEAT
FIGURE 15 :
Heat Pump Wiring
THERMOSTAT
OUTDOOR
UNIT
HEAT PUMP
FIELD
INSTALLED
JUMPER
** TERMINAL NOT
AVAILABLE ON ALL
THERMOSTATS
FAN
COIL
UNIT
R Y G W2 W1 O C
O
R
Y
G
T
E
W
O
X
R
B
Y
W
NOTE:
TO CHANGE HEAT QUANTITY
DURING DEFROST, REVERSE
CONNECTIONS AT W1 & W2.
L or X
C or B
W1/66
**
**
FIGURE 16 :
Heat Pump Wiring - Demand Defrost Only
HEAT PUMP
THERMOSTAT
OUTDOOR
UNIT
O
R
Y
G
W
T
E
O
X
R
B
Y
W
66
60
53
** TERMINAL NOT
AVAILABLE ON ALL
THERMOSTATS
FAN
COIL
UNIT
R Y G W2 W1 O C
NOTE:
TO CHANGE HEAT QUANTITY
DURING DEFROST, REVERSE
CONNECTIONS AT W1 & W2.
FIELD
INSTALLED
JUMPER
L or X
C or B
**
**