4 - 5
2WAY SYSTEM
Outdoor Unit Maintenance Remote Controller
4
3. Ordinary Display Controls and Functions
Fig. 1
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All units start/stop (Fig. 1)
<Operation>
The (ON/OFF operation) button can be used to
start and stop all the indoor units.
• The LED illuminates if any indoor units is operating.
• The LED blinks if an alarm at any of the operating indoor
units occurs.
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Cooling/heating change (Fig. 1)
NOTE
Cooling and heating mode changes are only available
when all indoor units are stopped.
<Operation>
The (MODE) button can be used to change
between heating and cooling operation.
• The display indicates the operating mode of the indoor
unit with the lowest unit No.
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All units test run (Fig. 2)
<Operation>
The (CHECK) button can be used to start and stop a
test run for all indoor units.
• Press and hold for 4 seconds to turn ON.
During the test run “TEST” is displayed.
• The status of test runs performed from the indoor unit
remote controller is not displayed on the outdoor unit
maintenance remote controller.
Fig. 2
LED
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Double-speed
• Do not use for actual operation.
(Doing so may damage the devices.)
<Operation>
The timer button
can be used to change between
double-speed and normal operation.
• During double-speed operation, the SLEEPING MODE
mark is displayed.
SM830204-05_2WAY SYS.indb 5 2015/01/23 11:56:57
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