Lennox LGM Series Unit Information

Page 47
VIII-Wiring Diagrams and Sequence of Operation
YEL
BRN
RED
RED
BLU
PNK
RED
RED
Supersedes:N/A Form No:
Cooling Diagram without Higher SCCR
Model: LCM, LGM 036U − 074U J VOLT
Voltage: 600/3/60 (J)
Rev:0
BLU
BLU GRY
ORN
PUR
BLK
ORN
YEL
PNK
YEL
ORN GRY
1
2
YEL
YEL
2
1
RED
1
2
BLU YEL PNK
6
1
1
2
1
2
7
RED RED
1
3
1
2
2
2
1
2
1
3
1
1
2
2
BLU
1
2
3
BLU
5
6
7
BLU
BRN
BLU
BRN
BLU
ORN
GRN
ORN
BLU
BLK
RED
1
2
4
5
RED
YEL
BLK
1
1
3
1
2
4
5
23
1 2
1
3
3
P422
1
3
BLK
WHT
4
9
1
2
4
GRY
GRY
RED−BLK
RED−BLK
RED−BLK
YEL
RED−BLK
BLU
YEL
GRY
PNK
YEL
GRY
YEL
RED−BLK
GRY
RED−BLK
GRY
R
ED
YEL
YEL
GRY
YEL
GRY
RED
123
P48
1
2
P86
12P18
12
P24
GRY
12 3413
14 36
142 5
GRY
GRY
YEL
RED
GRY
PNK
GRY
G
R
Y
GRY
R
E
D
ORN
RED
ORN
RED
GRY
YEL
PNK
PNK
YEL
YEL
PNK
PNK
BLU
123
PNK
P289
PNK
YELYEL
PNK
BLU
B
L
U
PNK
BL
K
PNK
YEL
BLU
YEL
PNK
PNK
RED
YEL
BLU
YEL
538166−01
HEATI NG
SECTI ON
A
SECTI ON
B
COOLI NG
WI RI NG DI AGRAM FLOW
COOLI NG
SECTI ON
B3
ACCS
SECTI ON
C
SECTI ON
D
ACCS
3
GND
P381 J381
P358 J358
FIELDLINE
WIRING OR
FROM DISCONNECT
BOX
SHIELDED
CABLE
P
4
1
3
J
4
1
3
SHIELDED
CABLE
P380 J380
5VDC
GND
2
J392
P392
OPTIONAL IONIZER
WIRING.SEE IAQ
WIRING DIAGRAM.
DENOTES OPTIONAL
COMPONENTS AND
WIRING
WB−019
J378
P378
GND 24VAC A30
FIELD
PROVIDED
WIRING
4
J390
P390
TO A3 ON
GASUNITS.
REFA−SECT
LOCCC01−02
A
B
G
P388 J388
WB−020
24VAC
HTSW1
L1
24VAC
HPSW1
LPSW1
24VAC
P385 J385
24VAC GND 24VAC GND COMP1 GND
J395
P395
J389
P389
J390
P390
P379
J379
J390
P390
RT17
GND L14 24VAC GND
J394
P394
GND
1
RT48
GND
RT44
GND
P382 J382
P383 J383
RT6
GND
RT46
GND
RT42
GND
A55
MAIN CTRL
L1
L2
L2
TO A3 −P374
ON GASHEAT
DIAGRAM
538115−02
TO B6 ON
GASHEAT
DIAGRAM
538115−02
LINE LOAD
UVC−LIGHTPOWER:USE
JUMPERSPROVIDEDIN
KITONSECONDARY
REDT4WIRES.
SEEIAQ DIAGRAM.
LGM/LCM036/074 J Voltage

Lennox LGM Series Specifications

General

Brand	Lennox
Model	LGM Series
Category	Furnace
Language	English