Honeywell SV2 Series User Manual page 174

SV2 Series Safety Shut-off Valves
™
SLATE
SLATE
GROUND
SV2 SERIES VALVE
N
INTERNAL
L1
ELECTRONICS
V1
N
Fig. 156: SLATE with BASIC or STANDARD Electronics, External VPS Used.
1
L1
8
POC
4 5
VPS
LIMITS CONTROL
L1
ILKIN
2
4
ILKOUT
RUN/LOCKOUT
INTERLOCKS
MV1
MV2
V2
SLATE
L1
R8001B2001
1
PRE-IGNITION
14 5
INTERLOCK
6
VALVE PROVING
18
SWITCH
LCI FUEL 1/
12
13 LCI FUEL 2
3
5 7
19 INTERLOCKS
MAIN VALVE 1
11
9
MAIN VALVE 2
174
1 MATCH SV2 SERIES VALVE AND FLAME
SAFEGUARD VOLTAGES.
2 ILK (INTERLOCK) WIRING RUN THROUGH
THE SV2 SERIES VALVE FOR SOLENOID
POWER SAVING FEATURE. APPLICABLE
TO ALL SV2 SERIES VALVE MODELS.
3 ILK (INTERLOCK) WIRING AS SHOWN
KEEPS VALVE SOLENOIDS ENERGIZED IF
VPS IS PERFORMED AFTER, BOTH OR
SPLIT RELATIVE TO THE CALL FOR HEAT
DEMAND.
4 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
5
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.
6 OBSERVE FLAME SAFEGUARD WIRING
PER ITS MANUAL.
IF SLATE INTERNAL OPERATING
7
CONTROL IS USED, EXTERNAL CONTROL
WIRING NOT APPLICABLE.
8 POC (PROOF OF CLOSURE) MUST BE
FACTORY INSTALLED, INTERNALLY
WIRED AND CALIBRATED.
INDICATES FEEDBACK SENSING OF
RELAY CONTACT STATUS AND LINE
VOLTAGE.
M35598B
32-00029—02