10
Electric Heat Package (optional)
This heat pump is shipped without an auxiliary electric
heat kit installed. If electric heat is desired, an accessory
Heater Kit must be field installed. See Specifications Sheet
for available kits and their application.
Figure 7. typical Heat Pump thermostat connections
typical Wiring (Field Supplied) for 2-Stage Heat, 2-Stage Electric Heat w/ optional outdoor t-Stat
typical Wiring (Field Supplied) for 2-Stage cool, 1 Stage Electric Heat
E
O
G
R
Y1
INDOOR
THERMOS
TAT
SUB-B
ASE
Y2
W1
C
1
2
3
4
5
6
7
8
9
Brown
Orange
Accessory
Heat Plug
AMBIENT
SENSOR
COIL
SENSOR
TEST
LR
CY
O
W2
IN
W2
OUT
COND
FA
N
AMBIENT
AMBG
COILG
COIL
DEMAND
DEFR
OST CONTR
OL
BO
ARD
M
PRESS
SW
REV
VA
LV
E
Demand Defrost Board
Outdoor Thermostat
(optional)
Blower Relay
Compressor Solenoid
ECM Motor (if applicable)
Y1 = 1st Stage Heat Pump
Y2 = 2nd Stage Heat Pump
W1 = 1st Stage Auxillary Heat
Green
(from blower relay)
1
2
3
4
5
6
7
8
9
Brown
Orange
Accessory
Heat Plug
AMBIENT
SENSOR
COIL
SENSOR
TEST
LR
CY
O
W2
IN
W2
OUT
COND
FA
N
AMBIENT
AMBG
COILG
COIL
DEMAND
DEFR
OST CONTR
OL
BO
ARD
M
PRESS
SW
REV
VA
LV
E
Demand Defrost Board
Outdoor Thermostat (optional)
Y1 = 1st Stage Heat Pump
Y2 = 2nd Stage Heat Pump
W1 = 1st Stage Auxillary Heat
W2 = 2nd Stage Auzillary Heat
E
O
G
R
Y1
INDOOR
THERMOS
TAT
SUB-B
ASE
Y2
W1
C
W2
Blower Relay
Compressor Solenoid
ECM Motor (if applicable)
Green
(from blower relay)
• Select the correct size heat package for the installation.
• Follow installation instructions provided with each heater
kit.
• Installation is most easily accomplished before making
duct or electrical connections.
• Refer to
Table 1, (page 8)
for blower speeds
