McQuay LMS User Manual

Page 10 of 24 / IM 439
Ty pical Wiring Diagrams
Figure 12. Typical Mark IV/AC unit — single compressor
L3 L2
32
36
34
35
1
L1
Junction
Box
Term
Board
Comp
19
3
BK
YE
YE
RD
RD
BK
BK
L1
L2
L3
GND
RD
YE
2
18
Crankcase
Heater
30
24
23
22
17
YE
BK
16
YE
BK
21
15
Fan
Motor
GN
GND
YE
RD
BK
Common
Comp
Fan
Mark IV/AC
Board
Compressor
Contactor
36
35
21
L1
37
37
Breaker
(Optional)
OR 230V
RD 208V
BK/RD 460V
BK
BK
YE
GND
Xformer
REV Valve Solenoid
COF
LT
LT
HP
HP
14
46
43
42
BR
BR
BL
High
Press
Switch
Low
Press
Switch
Low
Temp
Switch
Ring
Terminal
(Condensate
Overflow)
Thermistor
V
RV
RV
44
29
BL
C
R
W
2
W
1
Y
1
GOFELUAPVRC
28
26
27
WH
WH
Electric
Expansion
Valve
BK
BK
061093503 Rev. A

McQuay LMS Specifications

General

Brand	McQuay
Model	LMS
Category	Heat Pump
Language	English