Lennox LGT Series Unit Information page 52

GAS HEAT FOR LGT092H-150H UNITS
A55
MODBUS
A G B
MAIN CTRL
1 3 2
J413
J393
P413
P393
MODBUS
CABLE
P411 P406
J411
J406
1 3 2
A3
A G B
DSI CTRL 1
MODBUS−1
J407
P407
WHT
5 6 3 2 1
J408
P408
BLK
WHT WHT
WHT
BLK
BLK
RED
RED
FROM F10 T2 LOAD,
RED
FROM F10 T1 LOAD,
B−SECT LOC FF09
WB−001
Model: LG* Series RTU − Gas Heat
130k, 180k, 240k BtuH
Voltage: 575/3/60 (J)
Supersedes: XXXXXX−XX Form No:
J Voltage
LOW TEMP VEST HTR
BURNER 1
LTVH−1
6
P229
FROM
5
LTVH−2
S60
1
J410
P410
BRN
B 1
BLK
G
3
A DRNWR
2
MODBUS CABLE
4 1 2 3 4
J374
P374
P19
1 2
WHT
B−SECT FF09
WB−007
RED
P228
RED
DENOTES OPTIONAL COMPONENTS
AND WIRING
HTG CLG CLG
SEC SEC
A B
WI R I N G DI A GRAM F LOW
538173−02
Rev: 0
Page 52
GRY
TO
1
A55.P393
6
4
7
LOW TEMPERATURE
VESTIBULE HEATER,
BURNER 1
1
P228
1 2
WHT WHT
ACCS ACCS
SEC SEC SEC
C
B3 D