Honeywell SV2 Series User Manual page 173

7800 SERIES and ControLinks
7800 SERIES AND ControLinks
GROUND
SV2 SERIES VALVE
N
INTERNAL
ELECTRONICS
L1
V1
N
Fig. 155: 7800 SERIES and ControLinks with BASIC or STANDARD Electronics, External VPS Used.
SV2 Series Safety Shut-off Valves
V2F, V2V
1
10
POC
5
6
VPS
2 3 5 6 8
ILKIN
ILKOUT
CTRL
LIMITS
L1
9
MV1
MV2
1 MATCH SV2 SERIES VALVE AND FLAME SAFEGUARD VOLTAGES.
V2
ILK (INTERLOCK) WIRING RUN THROUGH THE SV2 SERIES VALVE FOR SOLENOID
2
POWER SAVING FEATURE. APPLICABLE TO ALL SV2 SERIES VALVE MODELS.
ILK (INTERLOCK) WIRING AS SHOWN KEEPS VALVE SOLENOIDS ENERGIZED IF VPS
3
IS PERFORMED AFTER, BOTH OR SPLIT RELATIVE TO THE CALL FOR HEAT DEMAND.
4 OTHER CONNECTIONS BETWEEN R7999 AND RM/EC NOT SHOWN. OBSERVE R7999
WIRING PER ITS MANUAL.
5 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.
6 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.
7 OBSERVE FLAME SAFEGUARD WIRING PER ITS MANUAL.
8 FOR RM7838 CONTROLS, WIRE THE SV2 SERIES VALVE ILK (INTERLOCK) AHEAD OF
THE LOCKOUT INTERLOCKS AND COMBUSTION AIR BLOWER SWITCHES.
9 LINE VOLTAGE RELAY SPDT, WITH NC CONTACT WIRE INTO THE LINE FROM
RM/EC SUBBASE MAIN VALVE TERMINAL 9 AND R7999 SUBBASE TERMINAL 11.
RELAY NEEDED FOR VPS APPLICATION IF BEFORE, SPLIT OR BOTH SELECTED.
NOT REQUIRED WHEN AFTER IS SELECTED.
POC (PROOF OF CLOSURE) MUST BE FACTORY INSTALLED, INTERNALLY WIRED
10
AND CALIBRATED.
FOR DUAL FUEL APPLICATIONS, AN APPROVED CENTER-OFF POSITION FUEL
11
SELECTION SWITCH IS REQUIRED. ADDITIONALLY, THE BURNER CONTROL DEMAND
TERMINAL INPUT MUST BE SWITCHED FROM VPS/GAS TERMINAL 17 TO OIL
TERMINAL 6. REFER TO R79999 MANUAL FOR FURTHER DETAILS.
INDICATES FEEDBACK SENSING OF RELAY CONTACT STATUS AND LINE VOLTAGE.
SV2 SERIES SAFETY SHUT-OFF VALVES USER MANUAL
R7999
HFS
10
4
LCI
LCO
13 14
11 MV
RUN/LOCKOUT
INTERLOCKS
.
173
RM7800L
L1
RM7838B/C
L1
EC7840L
1
PRE-IGNITION
INTERLOCK
4
VALVE PROVING 7
SWITCH
8
9
HIGH FIRE
PURGE SWITCH
11
DEMAND (VPS)
INTERLOCKS
11
MAIN VALVE 1
11
MAIN VALVE 2
M35597B