Haier GE NS23AM Service Manual page 26

W
L
Y2
RAST 6-PIN
Y1
CONNECTOR
O
DS
C
I+
RAST 6-PIN I-
CONNECTOR
R
DF
TST
VARIABLE CAPACITY TWO STAGE /
OUTDOOR UNIT VARIABLE SPEED
GAS FURNACE
FOR SINGLE STAGE OPERATION INSTALL A JUMPER BETWEEN Y1 TO Y2 ON THE OUTDOOR UNIT
TERMINAL STRIP
W
L
Y2
RAST 6-PIN
CONNECTOR
Y1
O
DS
C
I+
RAST 6-PIN
I-
CONNECTOR
R
DF
TST
VARIABLE CAPACITY SINGLE STAGE FURNACE /
OUTDOOR UNIT PSC AIR HANDLER
FOR SINGLE STAGE OPERATION INSTALL A JUMPER BETWEEN Y1 TO Y2 ON THE OUTDOOR UNIT
TERMINAL STRIP
W
L
Y2
RAST 6-PIN
CONNECTOR
Y1
O
DS
C
I+
RAST 6-PIN
I-
CONNECTOR
R
DF
TST
CONSTANT TORQUE /
VARIABLE CAPACITY
VARIABLE SPEED
OUTDOOR UNIT
AIR HANDLER
FOR SINGLE STAGE OPERATION INSTALL A JUMPER BETWEEN Y1 TO Y2 ON THE OUTDOOR UNIT
TERMINAL STRIP
Figure 16. Conventional 24VAC Cooling Thermostat
Wiring - Single Stage
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
R2
Y2 Y2
Y1 Y1
O
O
DS DH
C
C
W2
W2
W1 W1
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
R2
Y2
Y1
Y
O
DH
C
C
W2
W1
W
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
R2
Y2 Y2
Y1 Y1
O
O
DS DH
C
C
W2
W2
W1 W1
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
Page 26
W
L
Y2
RAST 6-PIN
Y1
CONNECTOR
O
DS
C
I+
RAST 6-PIN I-
CONNECTOR
R
DF
TST
VARIABLE CAPACITY TWO STAGE /
OUTDOOR UNIT VARIABLE SPEED
GAS FURNACE
FOR TWO-STAGE OPERATION CUT THE TWO-STAGE COMPRESSOR (Y1 TO Y2) ON-BOARD
LINK (W915)
W
L
Y2
RAST 6-PIN
CONNECTOR
Y1
O
DS
C
I+
RAST 6-PIN
I-
CONNECTOR
R
DF
TST
VARIABLE CAPACITY SINGLE STAGE FURNACE /
OUTDOOR UNIT PSC AIR HANDLER
W
L
Y2
RAST 6-PIN
CONNECTOR Y1
O
DS
C
I+
RAST 6-PIN
I-
CONNECTOR
R
DF
TST
CONSTANT TORQUE /
VARIABLE CAPACITY
VARIABLE SPEED
OUTDOOR UNIT
AIR HANDLER
FOR TWO-STAGE OPERATION REMOVE THE Y1 TO Y2 JUMPER
2
Figure 17. Conventional 24VAC Cooling Thermostat
Wiring - Two Stage
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
R2
Y2 Y2
Y1 Y1
O
O
DS DH
C
C
W2
W2
W1 W1
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
R2
Y2
Y
Y1
O
DH
C
C
W2
W1
W
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
O.D. SENSOR
OPTIONAL
TC
TO
ACC2
ACC1
2
R2
Y2 Y2
Y1 Y1
O
O
DS DH
C
C
W2
W2
W1 W1
R
R
G
G
CONVENTIONAL 24VAC
THERMOSTAT
31-5000746 Rev. 0