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SV2 Series Safety Shut-off Valves
162
32-00029—02
Table 25. Proper SOLENOID / POC connection association relative to valve body casting markings.
Valve Seat 1
Valve Seat 2
Description
SOLENOID 1
SOLENOID 2
Solenoid connector labeling on electronics assembly
POC 1
POC 2
POC connector labeling on electronics assembly
1
2
Valve seat marking on valve body casting
Gas flow directional arrow marking on valve body casting
A
B
Left-Hand side pressure access locations marked on valve body casting
C
D
Right-Hand side pressure access locations marked on valve body casting
MCR37168
SOLENOID 1
PROOF OF CLOSURE
POC 1
POC 2
SOLENOID 2
MAINS
SUPPLY
L1 N
MAINS CHASSIS
GROUND
ILK ILK VPS POC MV2 MV1
OUT IN SW
CONTROL WIRING
RS-485
MODBUS
+
–
C
OFF
BIAS
TERMIN.
BIAS
ON
1
2
3
MODBUS
GND IN1 GND IN2
A
N
A
L
O
G
FIRE RATE O2 SENSOR
MOTOR
PRESSURE
FUEL/AIR
Open
Closed
Self Test
Fault
LGP
HGP
Open
Closed
Reset
SOLENOID 1
PROOF OF CLOSURE
POC 1
POC 2
SOLENOID 2
MAINS
SUPPLY
L1 N
MAINS CHASSIS
GROUND
ILK ILK VPS POC MV2 MV1
OUT IN SW
CONTROL WIRING
RS-485
MODBUS
+
–
C
OFF
BIAS
TERMIN.
BIAS
ON
1
2
3
MODBUS
GND IN1 GND IN2
A
N
A
L
O
G
FIRE RATE O2 SENSOR
MOTOR
PRESSURE
FUEL/AIR
Open
Closed
Self Test
Fault
LGP
HGP
Open
Closed
Reset
Fig. 145: Proper SOLENOID / POC connection association relative to valve body casting markings.
17.
Re-install the flex conduits, threading wires into electrical enclosure as required and tighten conduit to manufacturer’s
recommendations.
SOLENOID 1
PROOF OF CLOSURE
POC 1
POC 2
SOLENOID 2
MAINS
SUPPLY
L1 N
MAINS CHASSIS
GROUND
ILK ILK VPS POC MV2 MV1
OUT IN SW
CONTROL WIRING
RS-485
MODBUS
+
–
C
OFF
BIAS
TERMIN.
BIAS
ON
1
2
3
MODBUS
GND IN1 GND IN2
A
N
A
L
O
G
FIRE RATE O2 SENSOR
MOTOR
PRESSURE
FUEL/AIR
MCR35488A
Open
Closed
Self Test
Fault
LGP
HGP
Open
Closed
Reset
18.
Re-wire customer wiring to connectors, if removed, for the MAINS SUPPLY, MAINS GROUND, CONTROL WIRING, RS-485
MODBUS and ANALOG.
a. Follow your connection notes from Step 6. a. and/or the as-built electrical drawings and the electrical drawings in the
BURNER CONTROL INTERFACE WIRING section of this manual.
19.
Connect customer wiring connectors to their mating sockets.
20.
Re-install the solenoid cover, tightening the two (2) retaining screws
to 2.2-2.35 Nm (19.5-20.8 In-lbf).
21.
Re-install the valve front electrical enclosure cover, tightening the retaining screws
to 1.26-1.54 Nm (11-13.63 in-lbf).
22.
Re-supply power to the valve.
23.
Perform the LED Orientation Change Process below.
M37169
Open
Closed
Self Test
Fault
LGP
HGP
Open
Closed
Reset