Hitachi RAS-3-HVNC - Test Run Procedure Using the Wireless Remote Control Switch (PC-LH3 A;B)

7. Test run
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SMGB0079 rev.0 - 01/2013
7
7.4 Test run procedure using the wireless remote control switch (PC-LH3A/B)
N O T E
Ifthewiredremotecontrolswitchisusedorifmultiple
units (SET-FREE, DCINVERTERand utopia series) are
operating simultaneously, you cannot perform the test
runbymeansoftheremotecontrolswitch.Ifthatisthe
case,performthetestrunbymeansofthewiredremote
controlswitch.
1 Perform the test run after completing the installation.
a. Set the batteries for the remote control switch.
b. Turn ON the power source of the indoor units and the
outdoor units.
c. The yellow ‘‘ LED on the receiver of the indoor unit
ickers (0.25 seconds ON ↔ 0.25 seconds OFF).
Then, the yellow LED turns OFF. While the LED is
ickering, the unit will not operate because the unit is
initializing.
2 Set the TEST RUN mode by pressing the SET switch and
the OFF TIME switch simultaneously for more than three
seconds. The LCD should look like the LCD on the right
gure. The TEST RUN mode is not operating
3 Set the operation mode by pressing the MODE switch.
The TEST RUN mode is operating.
4 Operate the test run by pointing the transmitter towards the receiver of the indoor unit. Then, press the RUN/STOP
switch. When the indoor unit receives the commands, the yellow ‘‘ LED of the receiver will turn on briey. Make
sure that the commands are received well and the selected mode 3) is set correctly. In the TEST RUN mode, the red
RUN LED of the receiver is turned ON and the green TIMER LED ickers (0.5 seconds ON ↔ 0.5 seconds OFF) (*2).
Then, the timer switches off for two hours.
N O T E
• Iftheyellow‘’LEDdoesnotturnON,thecommandsfromtheremotecontrolswitchmaynothavereached
thereceiver.Sendthecommandsagain.
• (*2)InthecaseoftheRPKmodel,theTIMERLEDisturnedOFF.
5 Adjust the angle of the air grille as follows. 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.
6 Stop the test run (normal)
a. The test run stops automatically after two hours.
b. You stop the test run by pressing the RUN/STOP switch again. After the test run has nished, check that the red
RUN LED and the green TIMER LED turn OFF.
7 Stop the test run (abnormal) for the PC-ALHD/PC-ALHZ. If you cannot use the PC-LH3A because of battery shortage
or any other reason, perform the emergency operation as follows.
a. COOL switch: Press the COOL switch in order to start the cooling process. Press the COOL switch again in order
to stop the cooling process.
b. HEAT switch: Press the HEAT switch in order to start the heating process. Press the HEAT switch again in order to
stop the heating process.
N O T E
Duringtheemergencyoperation,theyellowLEDblinks(0.5secondsON/0.5secondsOFF).