Diagrams - Lennox LGM Series Unit Information

VIII-Wiring Diagrams and Sequence of Operation
YEL
5
24VAC
1
HPSW1
YEL
1
2
YEL
6
24VAC
1
HTSW1
YEL
2
2
YEL
7
24VAC
1
LPSW1
YEL
3
2
A55
MAIN CTRL
1 3
J389
P389
PNK
PNK
FIELD LINE
WIRING OR
FROM DISCONNECT
BOX
1 2
P289
BLU
RED
Model: LCM, LGM 036U − 074U J VOLT
Cooling Diagram without Higher SCCR
Voltage: 600/3/60 (J)
Supersedes: N/A
LGM/LCM036/074 J Voltage
RED−BLK
1
RT17
1
GRY
GND
4
2
RED−BLK
2
RT6
RT48
1
GND
GRY
GND
5
2
RT46
GND
RED−BLK
1 RT44
1
GRY
3 GND
2
1 4 1 3
J390 J392 J395
P390 P392 P395
P422
OPTIONAL IONIZER
WIRING. SEE IAQ
WIRING DIAGRAM.
YEL
YEL
PNK
BLU
L1 L1
YEL L2 L2
LINE LOAD
PNK
PNK
WB−019
TO A3 − P374
ON GAS HEAT
DIAGRAM
538115−02
YEL
TO B6 ON
GAS HEAT
DIAGRAM
WB−020
538115−02
3
BLU
BRN
YEL
538166−01
Form No:
SHIELDED
2
1
CABLE
2
1 RED−BLK
1
GRY
4
2
RED−BLK
2
1
GRY
5
2
1 2 3 4 2 5
J394
P394
RED
RED
GRY
GRY
3
P86
2
1
UVC−LIGHT POWER: USE
JUMPERS PROVIDED IN
KIT ON SECONDARY
RED T4 WIRES.
SEE IAQ DIAGRAM.
HEATI N G COOLI N G
SECTI O N SECTI O N
A B
WI R I N G D I A GRAM F LOW
Rev:0
Page 47
RED
1
YEL
2
B
BLK
4
G
GRY
9
GND
A
3
YEL
4
1
5VDC
RT42 RED−BLK
1
GND
1
GRY
GND
3
2
1 4 3 1 2
J378
P378
FIELD
PROVIDED
WIRING
1
4
YEL
PNK
PNK RED
YEL RED
BLU RED
P48
1 2 3
COOLI N G ACCS ACCS
SECTI O N SECTI O N SECTI O N
B3 C D
BLU
TO A3 ON
GAS UNITS.
REF A−SECT
ORN
LOC CC01−02
SHIELDED
CABLE
BLU 7
6
ORN
RED
1
GRN
2
BLK
3
3 6
J390 J390
P390 P390
P18 1 2
P24
1 2
ORN
DENOTES OPTIONAL
COMPONENTS AND
WIRING