Idiomas disponibles
Idiomas disponibles
- Red LED light(s) are activated indicating ignition
controls receiving 24 volts from transformers for a
brief seconds then turn OFF.
• Ignition control module performs self safety check.
- Ignition control (PS1) sends 24 volts to air pressure
switch.
• Ignition control (IND) sends line voltage to motor relay.
- Motor relay closes.
• Fan motor starts.
• Air pressure switch closes and 24 volts are returned to
the ignition control module (PS2).
• Ignition control begins ignition trial sequence.
- Ignition control sends high voltage to the igniter
electrode.
- Igniter sparks.
• Ignition control (MV) sends 24 volts to the gas control
valve through the high limit switch(es).
- Gas control valve opens.
- Ignition occurs.
• Igniter continues to spark until flame proving occurs.
- Ignition spark is cut off.
- Gas valve stays open.
• Room warms to desired temperature.
- Thermostat is satisfied.
- Gas control closes, burner shuts down.
• Fan motor continues to run for 1 minute, cooling the
heat chamber.
- Fan motor stops.
- Heater shuts off.
• Process starts again on a call for heat.
NOTE:
The Upper and Lower heater operate independently. It
is normal for one heater to shut off while the other one is
still operating.
IGNITION FAILURE SEQUENCE:
-- Each trial for ignition takes approximately
45 seconds.
• If ignition module does not sense a flame within each
ignition trial.
• Gas valve closes.
• Ignition spark shuts off.
• The ignition control module will purge for 30 seconds
before another ignition trial.
-- If ignition is not establish within the 3 ignition trials,
the module goes into safety lockout.
• Fan motor stops.
-- To retry for ignition, the systems must be reset:
• Turn the thermostat down and then up to call for heat
or unplug heater and plug it back in or
• Position the selector switch to OFF and then back to
HEAT.
Owner's Manual • Premier Ductable Heater
Premier Ductable Heater
25
