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UH68 ODK/ODH Tent Heater
Operators Instructions
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Chapter 2
Operating Instructions
Operator Controls and Indicators
Table 2. Controls and Indicators
Key Control or Indicator Function
1 Main Switch Starts and stops heater. FAN position turns fan only on
for ventilation
2 Room Thermo Set for desired temperature. *
3 Main Power LED (green) Indicates heater is plugged in to AC power
4 Standby LED (green) Indicates main switch is ON but room thermo is not
calling for heat
5 Heat LED (green) Indicates main switch is ON and combustion system is
energized
6 Fault LED (red) Blinks a diagnostic code for corresponding fault. (see
fault codes table 3)
* Heat output is constant. Raising room thermo setting does not heat shelter faster.
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