
SV2 Series Safety Shut-off Valves
174
32-00029—02
SLATE
™
LCI FUEL 1/
LCI FUEL 2
RECTIFIER
V1
RECTIFIER
V2
INTERNAL
ELECTRONICS
N
RUN/LOCKOUT
INTERLOCKS
L1
L1
SV2 SERIES VALVE
1 MATCH SV2 SERIES VALVE AND FLAME
SAFEGUARD VOLTAGES.
ILK (INTERLOCK) WIRING RUN THROUGH
THE SV2 SERIES VALVE FOR SOLENOID
POWER SAVING FEATURE. APPLICABLE
TO ALL SV2 SERIES VALVE MODELS.
VPS CONTACT OUTPUT FROM SV2 SERIES
VALVE ONLY APPLICABLE WHEN THE SV2
SERIES PRESSURE MODULE IS USED FOR
EXTERNALLY-INITIATED VALVE PROVING
SEQUENCE BY BURNER MANAGEMENT
OR OTHER CONTROL. THIS FEATURE
MUST BE ENABLED AND PROGRAMMED
VIA THE HMI OR PC TOOLS WHEN
COMMISSIONING THE VALVE.
WHEN THE SV2 SERIES VALVE PRESSURE
MODULE IS ENABLED, PROGRAMMED AND
USED FOR LOW GAS PRESSURE AND HIGH
GAS PRESSURE LIMITS, THE LIMITS ARE
INCLUDED IN THE INTERNAL ILK (INTERLOCK)
VALVE STRING. BASIC (5) ELECTRONICS
VALVES DO NOT HAVE THE ABILITY TO
INTERFACE WITH THE SV2 SERIES VALVE
PRESSURE MODULE OR VPS FUNCTIONALITY.
AN EXTERNAL PRESSURE SWITCH MUST BE
USED WITH THESE VALVE MODELS.
OBSERVE FLAME SAFEGUARD WIRING
PER ITS MANUAL.
2
2
SLATE
R8001B2001
ILKOUT
MV1
MV2
ILKIN
POC
VPS
L1
N
GROUND
4
3
6
5
6
5
5
7
CONTROL
LIMITS
INTERLOCKS
PRE-IGNITION
INTERLOCK
MAIN VALVE 1
1
1
M35598B
L1
INDICATES FEEDBACK SENSING OF
RELAY CONTACT STATUS AND LINE
VOLTAGE.
SLATE
14
12
13
19
11
MAIN VALVE 2
9
VALVE PROVING
SWITCH
18
4
5
ILK (INTERLOCK) WIRING AS SHOWN
KEEPS VALVE SOLENOIDS ENERGIZED IF
VPS IS PERFORMED AFTER, BOTH OR
SPLIT RELATIVE TO THE CALL FOR HEAT
DEMAND.
3
IF SLATE INTERNAL OPERATING
CONTROL IS USED, EXTERNAL CONTROL
WIRING NOT APPLICABLE.
7
8 POC (PROOF OF CLOSURE) MUST BE
FACTORY INSTALLED, INTERNALLY
WIRED AND CALIBRATED.
8
4
Fig. 156: SLATE with BASIC or STANDARD Electronics, External VPS Used.