Panasonic U-8ME1E81 Service Manual page 107

3. Ordinary Display Controls and Functions
All units start/stop (Fig. 1)
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<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.
Cooling/heating change (Fig. 1)
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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.
All units test run (Fig. 2)
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<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.
Double-speed
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• 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.
Outdoor Unit Maintenance Remote Controller
LED
LED
4 - 5
2WAY SYSTEM
Fig. 1
Fig. 2
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