7
NOTE:
The usage of both OD thermostats may require field provided mounting hardware and weatherized enclosures.
COLOR CODES
R- RED
Y1 - YELLOW 1
Y2 P YELLOW 2
BR - BROWN
O - ORANGE
W - WHITE
G - GREEN
BL - BLUE
OT- OUTDOOR THERMOSTAT (OPTIONAL)
EHR - EMERGENCY HEAT RELAY (OPTIONAL)
OUTDOOR THERMOSTAT (OT-1) SHOULD BE THE
FIRST TO CLOSE AND THE LAST TO OPEN.
CONNECT WHITE AND BROWN WIRES FROM AIR
HANDLER TOGETHER IF OT-2 IS NOT USED.
INDOOR UNIT
#18 GA. 6 WIRE NEEDED WHEN OT IS USED
SEE NOTE #4
RED
GREEN
WHITE
BLUE
C
W2
O
Y1 Y2
G R E
O
Y1 Y2
HEAT PUMP
W2
C
R
TYP. H/P
ROOM THERMOSTAT
#18 GA. 7 WIRE
SYSTEM COMPOSITE DIAGRAM
HEAT PUMPS
10 kW & BELOW
2
1
(OPTIONAL)
OUTDOOR THERMOSTAT
CLOSE ON TEMPERATURE FALL
#18 GA. 5 WIRE
B
L
U
E
W
H
T
O
R
A
N
G
E
Y
E
L
L
O
W
Y
E
L
L
O
W
R
E
D
R
Y2
Y1
O
W
BL
R
G
W
BL
BR
G
W2
C
R
G
W
BL
INDOOR UNIT
#18 GA. 7 WIRE NEEDED WHEN TWO OT ARE USED
SEE NOTE #4
RED
GREEN
WHITE
BLUE
C
W2
O
Y1 Y2
G R E
O
Y1 Y2
HEAT PUMP
W2
C
R
TYP. H/P
ROOM THERMOSTAT
#18 GA. 7 WIRE
SYSTEM COMPOSITE DIAGRAM
HEAT PUMPS
ABOVE 10 kW
2
1
(OPTIONAL)
OUTDOOR THERMOSTAT
CLOSE ON TEMPERATURE FALL
#18 GA. 5 WIRE
B
L
U
E
W
H
T
O
R
A
N
G
E
Y
E
L
L
O
W
Y
E
L
L
O
W
R
E
D
R
Y2
Y1
O
W
BL
R
G
BL
BR
R
G
W2
C
R
G
W
BL
2
1
OT-1
OT-2
BROWN
BR
W3
1
2
3
4
EHR
SEE
NOTE#3
SEE
NOTE#2
NOTES:
1)
2)
3) REMOVE WIRE WHEN USING OUTDOOR THERMOSTAT.
4) TERMINAL BLOCK MARKINGS ARE FOR AMANA
AIR HANDLERS.
NOMENCLATURE
R
Non-Communicating Thermostat with Low Voltage Wires to Heat Pump
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT.
MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY
CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WIRING DIAGRAM