Honeywell SV2 Series User Manual page 166

SV2 Series Safety Shut-off Valves
7800 Series
European Standards (CE, EN, etc.)
GROUND
SV2 SERIES VALVE
N
INTERNAL
L1
ELECTRONICS
V1
N
Fig. 148: 7800 SERIES with BASIC or STANDARD Electronics, No External VPS.
1
L1
6
POC
2 3 4
VPS
LIMITS CONTROL
ILKIN
AIRFLOW SWITCH
ILKOUT
1
MV1
MV2
V2
EC7810
L1
EC7820
EC7830
ES2/PRE-
RM7830
IGNITION
EC7850
INTERLOCK
RM7850
5
16
1
RT/DEMAND
4
5
LD2/AIRFLOW SWITCH
LOS/LOCKOUT INPUT
MAIN VALVE 1/2
166
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.
AN EXTERNAL PRESSURE SWITCH MUST
BE USED WITH THESE VALVE MODELS.
4 OBSERVE FLAME SAFEGUARD WIRING
PER ITS MANUAL.
5
FOR THE EC7810, WIRE THE SV2 SERIES
VALVE ILK (INTERLOCK) IN SERIES WITH
THE LIMITS AND CONTROLLER AS THIS
MODEL DOES NOT HAVE AN AIRFLOW
SWITCH.
6 POC (PROOF OF CLOSURE) MUST BE
FACTORY INSTALLED, INTERNALLY
WIRED AND CALIBRATED.
INDICATES FEEDBACK SENSING OF
RELAY CONTACT STATUS AND LINE
VOLTAGE.
32-00029—02
M35593B