Wiring Diagram - Lochinvar Shield SWR125 Installation & Service Manual

13
Diagrams
Figure 13-2 Wiring Diagram
ALARM
CONTACTS
RUN-TIME
CONTACTS
24V
LOUVER
COM RELAY
LOUVER
PROVING
SWITCH
SWITCH
SHEILD
A
MODBUS
OPTION
B
SHEILD
SHIELD
GROUNDING
JUMPER
(continued)
LWCO
CONNECTION
BOARD
CN3-1
CN3-2
CN3-3
CN3-4
CN1 CN1
10
9
CN2-5 BL/Y X4-14
CN2-4 T / W
8
P / W
CN2-3
7
CN2-2 R / W
CN2-6 BR/W
6
5
4 CN2-9 O / W
X4-10
3
CN2-1
PR/W
CN2-10 X4-12
W/BL
2
CN2-8 BL/R
1 CN2-7 P/BL X4-10
11 CN4-3
12
CN4-1
13
CN4-2
14
X4-4
X4-3
X4-2
MODBUS BOARD
X4-1
MTR-01
X5-1
X5-2
X1-3
X1-2
X1-1
R
X2-1 GAS
VALVE
X2-2 Y
R/BK S1a
X5-4
OUTLET
SENSOR
X5-12 GY
S1b
OUTLET
SENSOR
S2
X5-6 PK/BK
INLET
SENSOR
W/BK S3a
X5-5
FLUE
SENSOR
S3b
PR
X5-13
FLUE
SENSOR
X5-14 X5-14
Y
O
X5-2
BDS
X5-10
PK
X5-11 O/BK
DOOR O-TEMP
APS
TEMP HEX
SW SWITCH
286-501
X4-7
MODEL ONLY
X4-13
X4-6
X4-8
X9-1
X4-3 X9-2
X4-5
X9-3
X9-4
X4-4
X4-8
Installation & Service Manual
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