22
Series 2000 Vane Axial Heater
On hi-lo units when the unit reaches cycle set point, the flame will
switch to lo-flame and unit will not cycle back to hi-flame until (Set
Point minus Temperature Differential) is reached.
Temperature differential would normally be set for 10-15 degrees F
for high temp units, and 2-5 degrees F for lo-temp units.
Humidity Differential--The upper right cursor is flashing indicat-
ing the mode. If the flame shuts off because the humidity set point, the
humidity must rise above the ( Set Point plus Humidity Differential) for
the flame to come back on. (Normally set to 5%)
Multiple Heater Notes
When multiple heaters are con-
nected together, the temperature and
humidity sensors must be connected
to the master.
down arrow switches to alter the
hours. Setting range is 0 to 200
hours.
Drying Grain In The
Hours To Shutdown
Mode
While drying grain, depress and
hold the "SHUTDOWN HOURS"
switch. While holding in on that
switch, depress the "START"
switch. After depressing the start
switch one time, the heater is in the
shutdown mode. Then, the fan and
heater shutdown when the time ex-
pires. This is indicated by the lower
left cursor flashing.
Depressing the start switch
again (while holding in on the
"SHUTDOWN HOURS" switch)
will cause only the heater to shut off.
This leaves the fan on when the time
expires. This is indicated by the 2nd
from lower left cursor flashing. De-
pressing the start switch one more
time returns the heater into the con-
tinuous--non-shutdown mode.
Run Hours Display
Run hours are recorded when the
controller detects that the fan is on
(airflow). The hours may be viewed
by depressing the "HOURS" to get
hours and "HOURS X 1000" to get
the number of 1000 hours accumu-
lated.
Programming Hours To Shutdown
To change the hours to shutdown, depress and hold the "SHUTDOWN
HOURS" switch. While holding in on the switch, depress the up and
Setting the cycle set point.
OPERATING PROCEDURE
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