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