Stop Operation - Hitachi PC-AWR Installations- Und Betriebshandbuch

OPERATION
Step LCD indication
Step LCD Indication COOL, DRY HEAT, FAN
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7.4 AUTOMATIC COOLING/HEATING
OPERATION
This function is only available for DC Inverter UTOPIA series
(single combination) and SET FREE series (heat recovery
system).
!
C A U T I O N
Turn ON the power supply to the system for approximately 12 hours
before start-up after long shutdown. Do not start the system immediately
after the power supply. It may cause a compressor failure, because the
compressor is not heated well. Do not turn OFF the power supply during
the seasons.
?
N O T E
• The " " lamp (yellow) is turned ON with the beep sound for
receipt confirmation.
• The beep sound may not be heard by surrounding noise.
• " " lamp (yellow) on the receiver of the indoor unit flashes (0.25
seconds ON 0.25 seconds OFF), and then turns OFF. While the "
lamp is flashing, the unit will not operate because it is initializing.
Function
Automatic cooling/heating operation is automatically switched
cooling and heating based on the set temperature as following
inlet air temperature conditions.
The cooling operation is performed when the inlet air
temperature is approximately 2ºC higher than set temperature.
The heating operation is performed when the inlet air
temperature is approximately 2ºC lower than set temperature.
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N O T E
• If the fan speed is set to "LOW" during the heating operation, the
operation tends to be stopped by activating the protection devices,
etc. In this case, set to "MED", "HIGH" or "HIGH 2".
5 PMML0414A rev.5 - 06/2019 - P5416676
COOL, DRY HEAT, FAN
Auto-swing
Auto-Swing
Angle
Angle range
Range
Angle
Angle range
Range
• The heating operation is not available when the ambient
temperature is higher than approximately 21ºC.
• The threshold of switching temperature against the setting
±
temperature is 2ºC in case of using this function. Therefore, this
function should not be utilized in the room where the accurate
temperature and humidity controls are required.
Start Operation
1 Press and hold the "MODE" switch for more than 3 seconds.
The indication "AUTO" (automatic cooling/heating operation)
will appear.
"AUTO" is set
The indications of setting temperature, fan speed and air flow
angle may be turned ON depending on the condition of control.
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N O T E
• The automatic cooling/heating operation requires another setting.
Contact your distributor and contractor for details.
• When the "MODE" switch is pressed at "AUTO", the fan
operation is started.
2 Point the transmitter towards the receiver kit and press "On"
switch.
When the transmitting indication "
lamp (yellow) on the receiver will be turned on briefly.
The Run indicator (red) on receiver is turned ON and the
operation is started.
The indications of setting temperature, fan speed and air
flow angle are turned ON.
?
N O T E
Do not press "On or Off" switch repeatedly (less than 3 seconds). If the
switch is pressed frequently, the wireless remote control switch may not
work correctly.
Temperature, fan speed and air flow direction setting
To set the temperature, fan speed and air flow direction, refer to
the item "7.3 Setting method".

Stop operation

"
Point the transmitter towards the receiver kit and press "Off"
switch again.
The Run indicator (red) of receiver is turned OFF and the
operation is stopped.
The indications of setting temperature, fan speed and air flow
angle are turned OFF.
" flashes, the " "