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4.0
Operation
•
Lighting Instructions
4.0
Operation
This appliance does not have a pilot ignition. It is equipped with an ignition device
which automatically lights the burner. Do not attempt to light the system by hand.
Lighting Instructions
Upon satisfactory completion of the electrical supply and purging of the gas supply line to the heater(s),
follow the lighting instructions on the heater's rating label to put the heater into operation.
Direct Spark Ignition System
Turn on the gas and electrical supply.
1
Set the controller to call for heat.
2
Ignition should occur immediately.
3
If ignition fails, the unit will spark for approximately 15 seconds and then will attempt two (2)
4
additional trials of ignition before going into a soft lockout. The soft lockout will be reset after 5
minutes and try 3 more times to ignite before a hard lockout occurs, in which the power must be
interrupted to reset circuit board.
If the heater does not light, shut off the gas completely for five (5) minutes before attempting to
5
relight.
If the controller/thermostat is still calling for heat after five (5) minutes, the control will automatically
6
reset and attempt to ignite the burner again.
To shut down the heater, interrupt the gas and electrical supply.
7
NOTE: The lighting and shutdown instructions are also shown on the permanent nameplate label
attached to the heater.
The heater must be grounded. Poor grounding will give nuisance lockouts, particularly during momentary
power interruptions.
WARNING
!
CAUTION
!
WARNING
!
Use only your hand to turn the manual shut off. Never use tools. If the knob
will not turn by hand, don't try to repair it; call a qualified technician. Force
or attempted repair may result in a fire or explosion.
28
ACS
Series
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