Honeywell VR8345M Manual page 10

VR8345M
INSTALLATION
Fig. 9—VR8345 wiring connections in intermittent ignition system.
Fig. 10—VR8345 wiring connections in hot surface ignition system.
VR8345M
COMBINATION
GAS CONTROL
68-0160
GND
(BURNER)
MV MV/PV PV
MV MV
MV/PV
VR8345
DUAL VALVE COMBINATION
GAS CONTROL
SENSOR
IGNITER
PILOT
BURNER
GROUND
PILOT GAS
SUPPLY
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 ALTERNATE LIMIT CONTROLLER LOCATION.
3 MAXIMUM CABLE LENGTH 3 ft [0.9 m].
4 CONTROLS IN 24V CIRCUIT MUST NOT BE GROUND LEG TO TRANSFORMER.
LEAVE VENT DAMPER PLUG CONNECTED.
5
6 REMOVE JUMPER AND CONNECT SENSE TERMINAL ON TWO ROD APPLICATION ONLY.
S8910U HOT SURFACE IGNITER CONTROL
BURNER
GROUND
QUICK
CONNECTS
MV
MV
HSI WIRE
ADAPTER
THERMOSTAT OR
CONTROLLER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
MAKE SURE L1 AND L2 ARE NOT REVERSED. THIS WOULD PREVENT FLAME DETECTION.
2
ALTERNATE LIMIT CONTROLLER LOCATION
3
SENSE TERMINAL AND Q354 FLAME SENSOR ON D MODELS ONLY.
S8610U
5
VENT
24V DAMPER
GND 24V TH-W
PLUG
AIR
PROVING
THERMOSTAT
SWITCH
COMBUSTION
AIR BLOWER
RELAY
LIMIT
1
CONTROLLER
L1 L2
COMBUSTION
(HOT)
AIR BLOWER
MOTOR
L2 L1
1
(HOT)
CONTROLLER
TRIAL
TIME: 7 SEC
NUM OF
TRIALS: 1
2
10
SENSE SPARK
6 3
2
4
M8564
3
Q354 FLAME
SENSOR
3
HOT SURFACE
IGNITER/SENSOR
LIMIT
CONTROLLER
L1
(HOT)
L2
1
M8563