Xi-Wiring And Operation Sequence - Lennox LGM Series Manual

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XI-Wiring Diagrams and Sequence of Operation
538086− 0 1
1
FROM F10 T1 LOAD,
B−SECT LOC NN07
FROM F10 T2 LOAD,
B−SECT LOC NN07
Model:
Voltage:
Supersedes:N/A
A55
MODBUS
A
G B
MAIN CTRL
6
1
2
7
3
8
4
9
5
10
1
3
J393
P393
6
MODBUS
CABLE
5
P229
P406
J406
A3
5
1
2
6
3
7
4
8
1
3
A G B
DSI CTRL 1
MODBUS−1
1
2
3
4
1
2
J407
J410
P407
P410
1
2
WHT
P216
1
3
5
6
3
2
1
4
1
J408
J374
P408
P374
P19
1
PNK
WB−005
WB−004
PNK
YEL
WB−006
WB−007
YEL
LGM Series RTU − Gas Heat
Input Heat Capacity 169k − 480k Btuh
208−240/3/60 (Y), 460/3/60 (G)
Form No:
GAS HEAT DIAGRAM
LOW TEMP VEST HTR
LOW TEMP VEST HTR
BURNER 1
BURNER 2
1
2
J413
P413
1
1
1
P229
P230
2
2
P411
P229
P230
J411
3
3
2
4
4
P229
P230
1
BLU
BLU
A
1
G
3
ORN
ORN
2
B
DRNWR
MODBUS CABLE
2
3
4
5
6
J408
P408
2
LOW TEMPERATURE
VESTIBULE HEATER,
BURNER 1
1
1
PNK
P
2
2
8
(
1
)
HEATI N G
SECTI O N
538086−01
Rev:0
Page 52
A178
TO P415
AUX CTRL
B−SECT LOC CC06
5
1 2
6
3
7
4
8
J396
P396
6
MODBUS
CABLE
5
P230
P406
J406
1
3
A12
5
1
2
6
3
7
4
8
A
B
DSI CTRL 2
MODBUS−1
1
2
3
4
1
J407
P407
3
4
BRN
P216
1
3
1
A
3
G
2
B
3
2
1
4
1
2
3
4
J374
P374
P21
1
2
LOW TEMPERATURE
VESTIBULE HEATER,
BURNER 2
1
2
1
PNK
P228(1)
P
2
2
8
(
2
)
DENOTES OPTIONAL COMPONENTS AND WIRING
COOLI N G
COOLI N G
ACCS
SECTI O N
SECTI O N
SECTI O N
A
B
B3
C
WI R I N G D I A GRAM F LOW
P411
J411
2
G
2
J410
P410
2
P228(2)
ACCS
SECTI O N
D

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