Simultaneous Operation Of Multiple Indoor Units; Maintenance - Hitachi PC-AWR Installations- Und Betriebshandbuch

SIMULTANEOUS OPERATION OF MULTIPLE INDOOR UNITS

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N O T E
• In the case that the " " lamp (yellow) does not turn ON, the controls
may not have reached the receiver. Send the commands again.
• (*2) In the case of RPK model, "TIMER" lamp is turned ON without
flashing.
5 Adjust the angle of the air louver as follows.
Check the commands are received correctly using the lamp
and buzzer of the receiver kit. Use the wireless remote
controller pointing the transmitter toward the receiver.
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C A U T I O N
The air louver has a mechanism for the auto-swing function. Do not move
the louver by hand forcefully.
a. Select the FAN mode by pressing the 'MODE' switch.
b. Set the louver angle by pressing the 'LOUVER' switch.
The louver direction is changed as follows. (For heating
and fan operation).
LCD Indication
6 Stop the test run.
a. Test run is stopped after 2 hours automatically.
b. Test run is stopped by pressing "
After Test Run is finished, check that the red lamp (RUN) and
the green lamp (TIMER) are turned OFF.
11 SIMULTANEOUS OPERATION OF
MULTIPLE INDOOR UNITS
The multiple indoor units (Max. 16 units) can be started and
stopped simultaneously by one controller. Perform this operation
only in case that multiple indoor units are installed in a room.
The detail for setting method shall be referred to the installation
manual of the indoor unit.
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C A U T I O N
Do not perform this operation in case that the multiple indoor units are
installed in different rooms separately. It may happen that some indoor
units remain unchanged.
Control example of simultaneous operation of multiple units
8 PMML0414A rev.5 - 06/2019 - P5416676

12 MAINTENANCE

12.1 CLEANING WIRELESS REMOTE
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12.2 REPLACING BATTERIES
Under the normal use, the battery life should be about 1 year (in
case of alkaline batteries).
Replace the batteries if the following phenomenon is occurred:
The transmission distance between the remote control switch
and the receiver kit gets shorter for operation or fan speed
adjustment.
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Off" switch.
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Indoor unit
Controller
CONTROL SWITCH
Wipe it by soft, dry cloth.
Do not use wet cloth to clean. It may cause failure of
wireless remote control switch.
Do not use benzine, thinner or detergent (Surfactant). If it is
used, the wireless remote control switch may be deformed
or changed color.
N O T E
Pay attention to the followings to use the batteries correctly. If not, it
may cause liquid spill or burst.
- Never use the new and the used batteries together.
- Never use the different types of batteries (for example
manganese battery and alkaline battery) together.
- When the wireless remote control switch is not used for a long
time (more than 2 or 3 months), take out the batteries from the
wireless remote control switch.
The batteries attached are for validation. Therefore, the battery life
may get shorter.
When the batteries are replaced, wait for more than 5 seconds to
replace new.