Lennox LGT Series User Manual


GAS HEAT FOR LGT092H-150H UNITS
J Voltage
BLK
BRN
DRNWR
BLK
BRN
Supersedes: XXXXXX−XX Form No:
Voltage: 575/3/60 (J)
Model: LG* Series RTU − Gas Heat 
130k, 180k, 240k BtuH
Rev: 0
1
P229
GRY
GRY
5
6
P229
LTVH−1
LTVH−2
COM HI M
WHT
1234 432165
1
P19
RED
2
1
P228
2
P228
RED
BRN
WHT−RED
RED
WHT−RED WHT−RED
RED
WHT
BLU
GRY
RED
WHT
WHT
WB−001
WB−007
7
4
6
1
2 3 4 5
6
7 8 9
10
1 2 3 4 5 6 7 8
1 2 3 4 1 2
123
123
1
2
3
RED
WHT
WHT
WHT
WHT
BRN
WHT
WHT
GRY
RED
GRY
DRNWR
WHT
RED
WHT
RED
2
P229
3
RED
RED
WHT
WHT
WHT
4
P229
BLK
RED
600V
230V
WHT
RED
BLK
BLK
WHT
RED
538173−02
SEC
A
HTG
CLG
SEC
B
WI RI NG DI AG RAM FLOW
SEC
B3
CLG
SEC
C
ACCS
SEC
D
ACCS
J374
P374
L1−LINE LOW1 LOW2 HIGH
FLAME SENS
SPARK
LOW TEMPERATURE
VESTIBULEHEATER,
BURNER1
1
FROMF10 T1 LOAD,
B−SECT LOC FF09
FROMF10 T2 LOAD,
B−SECT FF09
MAIN CTRL
1
TO
A55.P393
LOW TEMPVEST HTR
BURNER1
MGV
DENOTESOPTIONAL COMPONENTS
AND WIRING
P406
J406
A
J413
P413
GB
MODBUS
P411
J411
AGB
MODBUS−1
1
MODBUS
CABLE
J412 P412
A
G
B
MODBUS−2
MODBUS CABLE
FROM
S60
A3
DSI CTRL 1
GND GND HEAT2 24VAC GND HEAT1 GND
A55
J393
P393
J410
P410
J408
P408
GV−M GV−COM
GV−HI
S47
J407
P407

Lennox LGT Series Specifications

General

Brand	Lennox
Model	LGT Series
Category	Air Handlers
Language	English