Honeywell SV2 Series User Manual page 162

SV2 Series Safety Shut-off Valves
Table 25. Proper SOLENOID / POC connection association relative to valve body casting markings.
Valve Seat 1 Valve Seat 2
SOLENOID 1 SOLENOID 2
POC 1 POC 2
1 2
A B
C D
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.
MAINS
CONTROL WIRING
SUPPLY
GROUND
ILK ILK VPS POC MV2 MV1
L1 N
MAINS CHASSIS OUT IN SW
Open
Closed
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.
Description
Solenoid connector labeling on electronics assembly
POC connector labeling on electronics assembly
Valve seat marking on valve body casting
Gas flow directional arrow marking on valve body casting
Left-Hand side pressure access locations marked on valve body casting
Right-Hand side pressure access locations marked on valve body casting
MAINS CONTROL WIRING
SUPPLY GROUND PROOF OF CLOSURE
ILK ILK VPS POC MV2 MV1
SOLENOID 1 SOLENOID 2
L1 N MAINS CHASSIS OUT IN SW POC 1 POC 2
RS-485
MODBUS
+
LGP HGP –
Open Open
C
Fault
MODBUS
OFF ON
Self Test Reset
Closed Closed BIAS 1
TERMIN. 2
BIAS 3
GND IN1 GND IN2
A
N
MOTOR
FUEL/AIR PRESSURE A
L
O
G
FIRE RATE O2 SENSOR
PROOF OF CLOSURE
SOLENOID 1 SOLENOID 2
POC 1
LGP HGP
Open
Fault
Self Test Reset
Closed
GND IN1 GND IN2
MOTOR
FUEL/AIR PRESSURE
FIRE RATE O2 SENSOR
MAINS CONTROL WIRING
SUPPLY
GROUND ILK ILK VPS POC MV2 MV1
SOLENOID 1
L1 N MAINS CHASSIS OUT IN SW
LGP HGP
Open
Fault
Self Test
Closed
FUEL/AIR
POC 2
RS-485
MODBUS
+
–
C
MODBUS
OFF ON
BIAS 1
TERMIN. 2
BIAS 3
A
N
A
L
O
G
MCR35488A
162
PROOF OF CLOSURE
SOLENOID 2
POC 1 POC 2
RS-485
MODBUS
+
–
Open
C
MODBUS
OFF ON
Reset
Closed
BIAS 1
TERMIN. 2
BIAS 3
GND IN1 GND IN2
A
N
MOTOR
A
PRESSURE
L
O
G
FIRE RATE O2 SENSOR
MCR37168
LGP HGP
Open Open
Fault
Closed Self Test Reset Closed
M37169
32-00029—02