McQuay AC20C / MAC020C - Page 5

English
HEAT
OFF
COOL
ON
LIVE
COM2
COM1
BOILER
W_PUMP
OUT_FAN2
4WV2
A_FREEZE
ALM_OUT
ALM_IN
4WV1
OUT_FAN1
AUX-H
12V
F02
F01
LP2
LP1
HP2
HP1
C02
C01
FLOW
PO
ALM
DE2
DE1
C/H
ON/OFF
WI
CN6
WO OA
CD1 CD2 DF1DF2
N
COMP DISCHARGE SENSOR (1)
OUTDOOR AIR TEMP SENSOR
LEAVING WATER SENSOR
ENTERING WATER SENSOR
N/L2
220-240/1pH/50Hz
L/L1TB1
12V 12V 12V N1 N1 N1 1 2 O/F PUMPC/H
4WV
HTR
AL
IN
AL
OUT
LP HP FL
H
T
R
OF
OUT
OF
IN
TB3
L
N
C
OF
C
S
R
E
COMP.
L
N
E
PUMP
FUSE
10A
5B
4B 1A
2A
SWITCH
A
B
COMP
COMP
CAP
98
95
96
C O/L
TB2
OF
CAP
R
R
C
S
MODEL : 4AC / AC 20 C
PART NO : 50 13 4 066991
ELECTRICAL WIRING DIAGRAM
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