4 G
G670 Intermittent Pilot Ignition Controls Technical Bulletin
IMPORTANT:
These instructions are intended as a guide for qualified
personnel installing or servicing Johnson Controls
ignition controls. Carefully follow all instructions in
this bulletin and all instructions on the appliance. Limit
repairs, adjustments, and servicing to the operations
listed in this bulletin or on the appliance.
!
WARNING:
Fire or Explosion Hazard
. Avoid serious injury by
carefully following precautions in this bulletin and all
instructions on the appliance. Limit repairs,
adjustments, and servicing to the operations listed in
this bulletin or on the appliance.
!
WARNING:
Fire or Explosion Hazard
. If the control is installed
in an area that is exposed to water (dripping, spraying,
rain, etc.), it must be protected. If the control has been
exposed to water in any way, do not use it.
!
WARNING:
Shock Hazard
. Avoid electrical shock and equipment
damage. Disconnect electrical power and turn off the
gas before wiring the control.
!
CAUTION:
Equipment Damage Hazard.
Label all wires prior to
disconnection when servicing controls. Wiring errors
can cause improper and dangerous operation. Verify
proper operation after servicing.
Perform the following procedure to install the G670 ignition control.
1.
Shut off power to the appliance.
2.
Turn off gas at the manual shutoff valve adjacent to the appliance.
3.
Label each wire with the correct terminal designation prior to
disconnection.
4.
Disconnect the power supply (transformer) and the thermostat lead
wire at the ignition control.
5.
Disconnect the sensing probe lead from Terminal 4 on the ignition
control.
6.
Disconnect the high voltage cable from the spark transformer.
7.
Disconnect the Pilot Valve 1 and Main Valve 3 leads from the ignition
control.
8.
Disconnect any wires connected to the ground terminals on the ignition
control.
Installation
Mounting