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8-6. EMERGENCY/TEST OPERATION
In the case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the right side of the
indoor unit. Emergency operation is available when the remote controller
is missing or has failed, or when the batteries in the remote controller are
running down. The unit will start and OPERATION INDICATOR lamp will
light up.
The first 30 minutes of operation is the test run operation. This operation
is for servicing. The indoor fan runs at High speed and the temperature
control does not work.
After 30 minutes of test run operation, the system shifts to EMERGENCY
COOL/HEAT MODE with a set temperature of 75°F (24°C). The fan
speed shifts to Med.
All protective operations such as the coil frost prevention works even in
the test run or emergency operation.
In the test run or emergency operation, the horizontal vane operates in
VANE AUTO ( ) mode.
Emergency operation continues until EMERGENCY OPERATION switch
is pressed once or twice or the unit receives any signal from the remote
controller. In the latter case, normal operation will start.
NOTE:
Do not press EMERGENCY OPERATION switch during normal
operation.
8-7. 3-MINUTE TIME DELAY OPERATION
When the system turns OFF, compressor will not restart for 3 minutes as 3-minute time delay function operates to protect
compressor from overload.
Press RESET button gently
using a thin instrument.
Operation mode
COOL
HEAT
Set temperature
75°F(24°C)
75°F(24°C)
Fan speed
Med.
Med.
Horizontal vane
Auto
Auto
The operation mode is indicated by the Operation
Indicator lamp as following
EMERGENCY
COOL
↓
EMERGENCY
HEAT
↓
STOP
8-8. Changing temperature indication (°F / °C)
The preset unit is °F.
°F
→
°C: Press RESET button while the temperature buttons
are pressed.
°C
→
°F: Press RESET button or remove the batteries .
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OBH685
