Install Instructions

VR8205; VR4205 DIRECT IGNITION DUAL AUTOMATIC VALVE COMBINATION GAS CONTROLS
7 68-0049—03
Fig. 8. Wiring connections for 24 volt control in S87 Direct
Ignition System.
Fig. 9. Wiring connections for 24 volt control in S89C Direct
Ignition System.
STARTUP AND CHECKOUT
WARNING
Fire or explosion hazard. Can cause property damage,
severe injury, or death.
1. Do not force the gas control knob on the appliance.
Use only your hand to turn the gas control knob.
Never use any tools.
2. If the knob will not operate by hand, the control
should be replaced by a qualified service
technician.
Gas Control Knob Settings
Gas control knob settings are as follows:
OFF: Prevents main gas flow through the control.
ON: Permits gas to flow into the control body. Under control
of the thermostat and direct ignition module, gas can flow to
the main burner.
NOTE: Controls are shipped with the gas control knob in
the ON position.
Perform Gas Leak Test
WARNING
Fire or explosion hazard. Can cause property damage,
severe injury, or death.
Check for gas leaks with soap and water solution any
time work is done on a gas system.
Gas Leak Test
1. Paint pipe connections upstream of gas control with
rich soap and water solution. Bubbles indicate gas
leak.
2. If leak is detected, tighten pipe connections.
3. Stand clear of main burner while lighting to prevent
injury caused from hidden leaks that could cause
flashback in the appliance vestibule. Light main burner.
4. With main burner in operation, paint pipe joints (includ-
ing adapters) and control inlet and outlet with rich soap
and water solution.
5. If another leak is detected, tighten adapter screws,
joints, and pipe connections.
6. Replace part if leak cannot be stopped.
Turn On System
Rotate the gas control knob counterclockwise to ON.
Turn On Main Burner
Follow instructions provided by appliance manufacturer or
turn up thermostat to call for heat.
MV
MV
24V
24V (GND)
S87B CONTROL MODULE
ALARM
VALVE
VALVE
GND
TEMPERATURE
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
ALTERNATE LIMIT CONTROLLER LOCATION.
MAXIMUM IGNITER-SENSOR CABLE LENGTH: 3 ft. (0.9 m) OR LESS.
3A REPLACEABLE FUSE.
ALARM TERMINAL PROVIDED ON SOME MODELS.
M9043B
L1
(HOT)
L2
1
2
1
2
3
DUAL VALVE
COMBINATION
GAS CONTROL
Q347 IGNITER-SENSOR
BURNER
4
4
5
IGNITER-SENSOR AND
BURNER GROUND
3
5
ALARM, IF USED
WHITE
BLUE
BLACK
BLUE
HOT
SURFACE
IGNITER-
SENSOR
VALVE
VALVE (GND)
24V
TH-W
24V (GND)
GND (BURNER)
S89C,G,J/S890C,G,J
HOT SURFACE
IGNITION CONTROL
L2
HSI
L1
HSI
LIMIT
CONTROLLER
BURNER
GROUND
THERMOSTAT
OR CONTROLLER
DUAL VALVE
COMBINATION
GAS CONTROL
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED. MAKE SURE L1 AND L2 ARE NOT
REVERSED; THIS WOULD PREVENT FLAME DETECTION.
ALTERNATE LIMIT CONTROLLER LOCATION.
SEN TERMINAL AND Q354 FLAME SENSOR ON D MODELS ONLY.
M9047A
MV
MV
L1
(HOT)
L2
VENT
DAMPER PLUG
1
2
1
2
3
3
SEN
Q354 FLAME
SENSOR