Lennox MHA018S4S-1P - Installation Requirements

29
4-WAY VALVE
OU TDOOR
FA N
CN 7
3
PAN
HEATER
CN 15
CN 60
CRANKCASE
HEATER
CN 17
BLUE
BROWN
BLACK
3
2
L2
RED
BLUE
Y/G
1
Y/G
CN 21
Y/G
CN 1A
Y/G
Y/G
COMPRESSOR
Y/G
CN 50
3
U
V
W
BLUE
RED
BLACK
OUTDOOR
TEMP. SENSOR
COMPRESSOR
DISCHARGE
TEMP. SENSOR
OUTDOOR COIL TEMP. SENSOR
RED
BLACK
WHTIE
OUTDOOR CONTROL
T5
T3
T4
Figure 22. 09K, 12K and 18K - 208/230VAC Outdoor Unit Wiring Diagram
4-WAY
DC- FAN
CN 414
3
PAN
HEATER
CN 19
CN 60
CRANKCASE
HEATER
CN 16
AMBI ENT TEMP. SENSOR
DISCHARGE TEMP. SENSOR
CN 17
.
Y/G
BLUE
BROWN 1
BLACK 3
3
2
L1
L2
RED
BLUE L2
1
Y/G
Y/G
CN 3
Y/G
Y/G
COMPRESSOR
Y/G
U
V
W
BLUE
RED
BLACK
L1
L2
S
White
Red
Blue
CN 6
CN 7
CN 8 CN 2
CN 21
W
V
U
OUTDOOR CONTROL
TP/
T5
Figure 23. 24K - 208/230VAC Outdoor Unit Wiring Diagram
12. Installation Requirements