THERMOSTAT
C
RED
GREEN
INDOOR UNIT
OUTDOOR UNIT
Y
R
G
R
Y
YELLOW
BLACK
BLACK
G
C
C
B
R
B
RED
BLUE
Fig.16 Control Wiring for H/P Systems.
All dimensions are in inches. They are subject to change without notice. Certified
dimensions will be provided upon request.
TABLE 5: Wiring Gauge for H/P Systems.
W2
D
PURPLE
w1
WHITE
Suggestion
:
When choosing a thermostat, choose K5R-25B or a non-programmable electric
thermostat series such as Honeywell (TH5220D). Broken lines means H/P system with electric
heating. Please refer to thermostat electrical manual for wiring schematic.
21
3
40/50
Model(Btu/h)
Outdoor Unit
Power Line
15/20
Outdoor-Indoor
Signal Line
10
14
12
Thermostat
Signal Line
30/30
Line Quantity
Line Diameter
(AWG )
3
3
5
18
18
18
Line Quantity
Line Diameter
(AWG )
5
5
5
18
18
18
Line Quantity
Line Diameter
(AWG)
5
5
30
12
5
16
5
16
5
18000/24000
40
12
3
18
5
18
5
30000/36000 42000
48000/60000
60000
Input Current Fuse Amps
Power Supply
208/230V 1Ph 60Hz
208/230V 3Ph 60Hz