Carrier 25HNA Infinity
Series - Page 19

19
O/W2
W/W1
Y1/ W2
G
R
O
Y1
INDOOR CONTROL
FAN COIL
2-SPEED
HEAT PUMP
W1
G
W2
C
Y2
R
W1
Y1
O
C
DHUM
HUM
B
S1
S2
Y/Y2
R
C
DH
HEAT/COOL
STAGE 1
HEAT STAGE 3
HEAT/COOL
STAGE 2
RVS COOLING
FAN
24 VAC HOT
24 VAC COMM
DEHUMIDIFY
HUMIDIFY
RVS HEATING
OUTDOOR
SENSOR
CONNECTION
Y/Y2
HUMIDIFIER
(24 VAC)
OUTDOOR
SENSOR
REMOVE J2
JUMPER FOR
HEAT STAGING
REMOVE J1 FOR
DEHUMIDIFY
MODES
A02005
Fig. 13 − Infinity Wiring with 2−Stage Puron Refrigerant
Heat Pump (non−communicating)
(applies to 25HNA6 Models Only)
HybridHeatm TWO−STAGE
A06157
Fig. 14 − HybridHeatt Thermostat with Two−Stage
Furnace and Two−Stage Heat Pump (non−communicating)
D
C
B
A
User Interface
D
C
B
A
D
C
B
A
Fan Coil
Communicating AC//H
P
OAT
RYOWCHUM
C
Humidifier
24vac
A03076
Fig. 15 − Infinity Furnace or Fan Coil Wiring with Communicating Two−Stage AC / HP
25HNA