Honeywell TRADELINE VR8345M User Manual page 8

Universal electronic ignition gas control
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Fig. 8—VR8345 wiring connections in intermittent ignition system.
MV
VR8345
DUAL VALVE COMBINATION
GAS CONTROL
IGNITER
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.
5
LEAVE VENT DAMPER PLUG CONNECTED.
6
REMOVE JUMPER AND CONNECT SENSE TERMINAL ON TWO ROD APPLICATION ONLY.
Fig. 9—VR8345 wiring connections in hot surface ignition system.
MV
VR8345M
COMBINATION
MV
GAS CONTROL
HSI WIRE
ADAPTER
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.
69-0844—1
GND
(BURNER)
MV MV/PV PV
MV
MV/PV
SENSOR
PILOT
BURNER
GROUND
PILOT GAS
SUPPLY
S8910U HOT SURFACE IGNITER CONTROL
BURNER
GROUND
QUICK
CONNECTS
THERMOSTAT OR
CONTROLLER
S8610U
5
VENT
24V
DAMPER
GND
24V TH-W
PLUG
AIR
PROVING
THERMOSTAT
SWITCH
COMBUSTION
AIR BLOWER
RELAY
1
L2
L1
COMBUSTION
(HOT)
AIR BLOWER
MOTOR
L2
L1
1
(HOT)
CONTROLLER
TRIAL
TIME: 7 SEC
NUM OF
TRIALS: 1
2
8
SENSE
SPARK
6
3
2
4
LIMIT
CONTROLLER
M8564
3
Q354 FLAME
SENSOR
HOT SURFACE
IGNITER/SENSOR
LIMIT
CONTROLLER
L1
(HOT)
L2
1
M8563
3

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