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HEAT PUMP WITH VARIABLE SPEED INDOOR
Non-Communicating Air Handler
RELAY
THERMOSTAT
PANEL
COOL/HEAT -
Y2
2nd STAGE
HEATING -
W3
5th STAGE
24VAC HOT
R
R
HEATING -
W2
4th STAGE
HEATING -
W1
3rd STAGE
COOL/HEAT -
Y1
1st STAGE
G
FAN
SOV
O
24VAC
common
B
B
VS MODE -fan
BK
DATA
D
D
REMOTE
RS
INDOOR
RS
SENSOR
ODT
OUTDOOR
SENSOR
ODT
Note: Remove the "R" to "BK" jumper at the low voltage control board.
Note: DIP Switches 5 & 6 must be set to OFF on indoor unit.
HEAT PUMP WITH 2/4TEE3C
Communicating Air Handler in 24 Volt Mode
RELAY
THERMOSTAT
PANEL
COOL/HEAT -
2nd STAGE
HEATING -
W3
5th STAGE
24VAC HOT
R
HEATING -
W2
4th STAGE
HEATING -
3rd STAGE
COOL/HEAT -
1st STAGE
FAN
SOV
24VAC
common
B
VS MODE -fan
BK
DATA
D
REMOTE
RS
INDOOR
RS
SENSOR
ODT
OUTDOOR
SENSOR
ODT
Note: Remove the "R" to "BK" jumper at the low voltage control board.
18-HD68D1-3
HEAT PUMP
TWE & 2/4TEE3F
VARIABLE SPEED
ONE OR TWO STAGE
AIR HANDLER
HEAT PUMP
Y/
Y2
Y2
W3
R
R
W2
W1
Y1/
Y1
Y
LO
X2
G
O
O
B
B
BK
I D
SENSOR
O D
SENSOR
ONE OR TWO STAGE
AIR HANDLER
HEAT PUMP
Y2
Y2
Y2
W3
R
R
R
W2
W1
W1
Y1
Y
Y1
X2
G
G
O
O
O
B
B
B
BK
D
I D
SENSOR
O D
SENSOR
HEAT PUMP WITH NON-VARIABLE SPEED INDOOR
RELAY
THERMOSTAT
PANEL
COOL/HEAT -
Y2
2nd STAGE
HEATING -
W3
5th STAGE
24VAC HOT
R
R
HEATING -
W2
4th STAGE
HEATING -
W1
3rd STAGE
COOL/HEAT -
Y1
1st STAGE
G
FAN
SOV
O
24VAC
common
B
B
DATA
D
D
REMOTE
RS
INDOOR
RS
SENSOR
ODT
OUTDOOR
SENSOR
ODT
HEAT PUMP WITH *AM7 Air Handlers
RELAY
THERMOSTAT
PANEL
COOL/HEAT -
Y2
2nd STAGE
HEATING -
W3
5th STAGE
24VAC HOT
R
R
HEATING -
W2
4th STAGE
HEATING -
W1
3rd STAGE
COOL/HEAT -
Y1
1st STAGE
G
FAN
SOV
O
24VAC
common
B
B
VS MODE -fan
BK
DATA
D
D
REMOTE
RS
INDOOR
RS
SENSOR
ODT
OUTDOOR
SENSOR
ODT
Note: Cut the factory installed "BK" jumper at the indoor unit.
SINGLE STAGE
AIR HANDLER
HEAT PUMP
W3
R
R
W2
W1
X2
Y
Y
G
O
O
B
B
I D
SENSOR
O D
SENSOR
ONE OR TWO STAGE
AIR HANDLER
HEAT PUMP
Y2
Y2
W3
R
R
W2
W1
Y1
Yo
Y
X2
G
O
O
B
B
BK
I D
SENSOR
O D
SENSOR
9
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