Honeywell SV2 Series User Manual page 165

• remain closed during pre-purge through pre-ignition
otherwise a safety shutdown occurs.
At this time, the Pressure Module cannot be used for Lo-Gas / Hi-Gas limit operation on European 7800 SERIES models.
No External VPS (Valve Proving System) used; electronics configuration BASIC (5) or STANDARD (6)
Wiring between the SV2 Series valve and Honeywell 7800 SERIES, SOLA, 7800 SERIES and ControLinks and SLATE is shown in
this section.
7800 SERIES North American Standards (UL, CSA, FM, etc.)
7800 SERIES
GROUND
SV2 SERIES VALVE
N
INTERNAL
L1
ELECTRONICS
V1
N
Fig. 147: 7800 SERIES with BASIC or STANDARD Electronics, No External VPS.
SV2 Series Safety Shut-off Valves
V2F, V2V
1
7
POC
VPS
LIMITS
CONTROL
L1
OPTIONAL
ILKIN
ILK WIRING
2 3 5
ILKOUT
RUN/LOCKOUT
INTERLOCKS
MV1
MV2
V2
SV2 SERIES SAFETY SHUT-OFF VALVES USER MANUAL
L1
RM78XX
L1
EC7840
EC7885
EC7890
PRE-IGNITION
EC7895
INTERLOCK
DEMAND
6
INTERLOCKS
MAIN VALVE 1/2
165
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
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.
1
AN EXTERNAL PRESSURE SWITCH MUST
4
BE USED WITH THESE VALVE MODELS.
5
4 OBSERVE FLAME SAFEGUARD WIRING
6
PER ITS MANUAL.
5 FOR RM7838 CONTROLS, WIRE THE SV2
SERIES VALVE ILK (INTERLOCK) AHEAD
OF THE LOCKOUT INTERLOCKS AND
COMBUSTION AIR BLOWER SWITCHES.
6 FOR RM7890/EC7890 AND EM/EC7885
CONTROLS, WIRE THE SV2 SERIES
VALVE ILK (INTERLOCK) IN SERIES WITH
THE LIMITS AND CONTROLLER AS
THESE MODELS DO NOT HAVE AN
AIRFLOW SWITCH.
7 POC (PROOF OF CLOSURE) MUST BE
FACTORY INSTALLED, INTERNALLY
WIRED AND CALIBRATED.
INDICATES FEEDBACK SENSING OF
RELAY CONTACT STATUS AND LINE
VOLTAGE.
M35592A