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Page Title:
Arctic Heater Controls (If Equipped) |
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 TM 9-2320-312-10
OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
0006 00
OPERATE IN EXTREME COLD - CONTINUED
2.
Arctic Heater Controls (If Equipped).
a.
A 7-day timer, mounted under the left side of the instrument panel, operates the arctic heater.
b.
The timer also provides the capability for troubleshooting diagnostics. It automatically displays any heater fault codes
in three-digit form.
NOTE
The heater will not function until the timer is programmed.
c.
The timer allows for pre-selection of turn-on time, up to seven (7) days in advance, as well as varying run times.
There is also an on/off switch for manual operation.
d.
The following illustration shows the timer and its controls:
3
2
1
4
1
Memory Location
2
Time and Day Display
3
Air Temperature Display
(Optional)
4
Heater ON Symbol
5
Forward Scan
5
6
Backward Scan
7
Heater On/Off
8
Preheat Time Set
9
Time Set
9
6
8
7
**NOTE
When vehicle lights are
on, timer display back-
light will also turn on.
3.
Operate Arctic Heater (If Equipped).
WARNING
Arctic heater must not be operated in garages or enclosed areas due to the dangers of carbon monoxide poi-
soning. Failure to follow this warning could result in death or injury to personnel.
NOTE
Set vehicle heater to maximum temperature setting and heater/AC fan to LOW setting before operating the
heater.
0006 00-7
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