York F2FP048 - Cooling Wiring Diagrams; Heat Pump Wiring Diagrams; Heat Pump Wiring - Demand Defrost Only

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.
LorX
CorB
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
LorX
CorB
**
**