Conair GasTrac User Manual page 29

2216
235.0
OP1
OP2
4
250.0
SP2
REM
RUN
MAN HOLD
5
4
Press the Power switch to ON.
The Power
ON/OFF
The temperature controller begins a 3-second self-test.
The display will flash between
point temperature.
The Burner Controller begins a 10-second initiation,
which ends when the display indicates
5
Set the drying temperature.
Press the the up or down arrow on the temperature con-
troller until 250˚F appears in the lower display.
6 Press the RUN button.
The green RUN light will illuminate after the Burner
Controller finishes initializing.
The combustion blower will start and run for 90 sec-
onds to purge any residual gas from the burner.
After the 90-second purge, the burner will ignite on low
fire (low blower speed) for about 15 seconds. The burn-
er will alternate between high and low fire as required
to maintain the setpoint temperature.
7
Verify the combustion blower is rotating in the
correct direction.
The combustion blower uses three-phase blower. Hold a
strip of paper or piece of string near the blower inlet filter.
If the paper or string blows away from the filter, the blow-
er is rotating in the wrong direction. Stop the GasTrac.
Disconnect and lock out the main power source. Reverse
any two incoming electrical leads on the blower and repeat
the test procedure.
8
Allow the actual temperature to reach setpoint.
9
Press the STOP button.
The green RUN indicator light turns off.
The gas inlet valves should close.
The combustion blower should stop.
The burner and temperature controllers should display
STANDBY.
10
Allow the actual temperature to reach setpoint.
UGD014/0497
6 6
switch illuminates.
STANDBY
GasTrac Process Air Heater
T
I
and the set-
.
STANDBY
ESTING THE
NSTALLATION
BURNER START UP NOTE:
If the burner fails to ignite
and the red alarm light illumi-
nates, there may still be air
in the gas lines. Check the
burner controller display. If
the alarm LED is illuminated,
press the reset button on the
front of the electrical enclo-
sure. If not, refer to the
T section of
ROUBLESHOOTING
the User Guide and the
burner controller manual.
I
NSTALLATION
3-9