Lennox LGM092U - Page 52

Page 52
GAS HEAT FOR LGM092/150 UNITS
J Voltage
Supersedes: XXXXXX−XX Form No:
Voltage: 575/3/60 (J)
Model: LGM Series RTU − Gas Heat 
130k, 180k, 240k BtuH
Rev: 0
COM HI M
12345
BLU
6 78910
1 2345 678
123456
1234 12
1234
1
P229
2
P229
3
4
P229
5
6
P229
1
P19
PNK
2
FC−LTVH−2FC−LTVH−1
LTVH−1
LTVH−2
1
P228
2
P228
WHT WHT
GRY
RED
BRN
WHT
RED
WHT−RED
RED
RED
WHT−RED WHT−RED
WHT
RED
WHT
BLU
WHT
WHT
RED
GRY
WHT
RED
WHT
BRN
WHT
RED
GRY
WB−001
WB−007
123
123
BLK
DRNWR
BRN
PNK
BLU
7
4
6
2
3
1
BLK
DRNWR
BRN
PNK
PNK
BLU
WHT
BLU
BLK
RED
600V
230V
WHT
RED
BLK
RED
BLU
538173−01
SEC
A
HTG
CLG
SEC
B
WI RI NG DI AGRAM FLOW
SEC
B3
CLG
SEC
C
ACCS
SEC
D
ACCS
J374
P374
L1−LINE LOW 1 LOW 2 HIGH
FLAME SENS SPARK
1
MODBUS
CABLE
LOW TEMPERATURE
VESTIBULE HEATER,
BURNER 1
LOW TEMP VEST HTR
BURNER 1
1
1
FROM F10 T1 LOAD,
B−SECT LOC FF09
FROM F10 T2 LOAD,
B−SECT FF09
DENOTES OPTIONAL COMPONENTS
AND WIRING
A3
DSI CTRL 1
GND
J413
P413
GB
MODBUS
P411
J411
AG
GND
B
MODBUS−1
J412 P412
HEAT2
A
G
B
MODBUS−2
MODBUS CABLE
24VAC GND HEAT1 GND
A55
J393
P393
24VAC GND
A
MAIN CTRL
MGV
P406
J406
COM
R1 W1 W2 R2 D1
MGV1 MGV2
J408
P408
GV−M GV−COM GV−HI S47
S10 S10 S21 S21
J407
P407
S18 S18
J410
P410