EN-9
EN
4-1. TEST RUN
• Do not operate the unit for long periods at places such as building under con-
struction. This may cause dust or odor to adhere to the unit.
• Perform test run with the attendance of user, as much as possible.
1) Press the E.O. SW once for COOL, and twice for HEAT operation. Test run
will be performed for 30 minutes. If the left lamp of the operation indicator
blinks every 0.5 seconds, inspect the indoor/outdoor unit connecting wire
D
for mis-wiring. After the test run, emergency mode (set temperature 24ºC) will
start.
2) To stop operation, press the E.O. SW several times until all LED lamps turn
off. Refer to operating instructions for details.
Checking the remote (infrared) signal reception
Press the OFF/ON button on the remote controller
and check that an electronic
sound is heard from the indoor unit. Press the OFF/ON button again to turn the
air conditioner off.
• Once the compressor stops, the restart preventive device operates so the
compressor will not operate for 3 minutes to protect the air conditioner.
Water drainage check
1) Fill the drain pan with about 0.9–1.0 liters of water. (Don’t pour water directly
into the drain pump.)
2) Make a test run of the unit (in Cooling mode).
3) Check for water drainage at the outlet of the drainage pipe.
4) Stop the test run. (Don’t forget to turn off the power.)
4-2. WATER DRAINAGE CHECK FOR INDOOR UNIT
ONLY
If the wiring work has not been completed, connect terminals S1 and S2 on
the indoor terminal block to a 230 V single-phase power supply.
1) Start the drain pump test run.
• Press the emergency operation switch for 5 seconds (until a beep is heard) to
start the operation of only the drain pump.
• The two operation monitor lamps start blinking.
2) Stop the drain pump test run.
• Press the emergency operation switch again to stop the operation of the drain
pump. Even if you do not stop the drain pump, it will stop automatically after
15 minutes.
• The operation monitor lamps turn off.
4-3. AUTO RESTART FUNCTION
This product is equipped with an auto restart function. When the power supply is
stopped during operation, such as during blackouts, the function automatically
starts operation in the previous setting once the power supply is resumed. (Refer
to the operating instructions for details.)
4-4. EXPLANATION TO THE USER
• Using the OPERATING INSTRUCTIONS, explain to the user how to use the
air conditioner (how to use the remote controller, how to remove the air lters,
how to remove or put the remote controller in the remote controller holder, how
to clean, precautions for operation, etc.)
• Recommend the user to read the OPERATING INSTRUCTIONS carefully.
Caution:
• After test run or remote signal reception check, turn off the unit with the E.O.
SW or the remote controller before turning off the power supply. Not doing
so will cause the unit to start operation automatically when power supply is
resumed.
To the user
• After installing the unit, make sure to explain the user about auto restart
function.
• If auto restart function is unnecessary, it can be deactivated. Consult the
service representative to deactivate the function. Refer to the service manual
for details.
E.O.
SW
Emergency
operation switch
(E.O. SW)
Water bottle
5. GRILLE (OPTION) INSTALLATION
Refer to the procedures indicated in the installation manual of the Grille (option).
4. TEST RUN
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RG79Y972H01_01En.indd 9 2018/02/27 10:52:19
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