
SV2 Series Safety Shut-off Valves
38
32-00029—02
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
Fig. 20: NEMA 4 / IP66 STANDARD (6) valve electronics interface.
Open
Closed
Self Test
Fault
LGP
HGP
Open
Closed
Reset
MCR35487
SOLENOID 1
SOLENOID 2
L1 N
MAINS
SUPPLY
MAINS CHASSIS
GROUND
ILK ILK VPS POC MV2 MV1
OUT IN
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
Fig. 21: NEMA 1 / IP20 STANDARD (6) valve electronics interface.
NOTES:
• Electrical connections are the same for NEMA 1 / IP20 electrical assembly with the omission of POC 1 and POC 2.
• BASIC (5) electronics do not have any Modbus, Fuel/Air, Pressure, Motor or Analog connections
From the factory, several items will be fully wired internally via connectors inside the electrical enclosure. The factory wiring
terminals can be found in
Table 7
.