Installation Procedure; Checking Procedure - Hitachi PC-ARF Technical Catalogue

4 Individual remote controls
PC-LH3(A/B)

4.4.2.6 Installation procedure

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Installing onto the wall or pillar
C A U T I O N
When the commands are sent by the controller hooked onto the wall, the receiver of the indoor unit may not receive the commands de-
pending on the installation place.
1 Select the suitable place for handling and install the controller with the customer's acceptance. Do not install the con-
troller at the places as follows.
- where children can touch
- where the air from the air conditioner is directly discharged
- where there is oil vapour and the oil is dispersed
where the humidity is high
-
2 Pay attention to the following points in case that the controller is installed in a place where there is medical equipment
radiating electromagnetic waves.
a. Install the controller in a place without devices which radiate electromagnetic waves directly towards the electrical
box of the indoor unit and the controller.
b. Keep a distance more than 3 meters away from the equipment radiating electromagnetic waves, the receiver of the
radio, etc. for prevention of the noise through the air.
c. In case that there is electric noise at the power source for the indoor unit, the treatment such as providing a noise
filter is required.
3 Do not install the controller in a place where generation, flowing, staying or leaking of flammable gas is detected.
4 Install the controller in a place where there is a distance more than 30 cm from the power supply cable when installing
the controller onto the wall.
5 Install the holding bracket (accessory) onto the wall by using screw (accessory) and attach the controller to the holding
bracket.

4.4.3 Checking procedure

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Test running by controller
C A U T I O N
Test running by the controller can not be performed in case that the wired remote control switch is used together; in case that multiple units
are operated simultaneously (SET-FREE and UTOPIA series). In such cases, perform the test running by the wired remote control switch.
1 Perform the test run after the installation work is completed.
d. Set the batteries for the controller.
e. Turn ON the power supply for the indoor and outdoor units.
f. " " lamp (yellow) on the receiver of the indoor unit flashes (0.25 seconds ON
turns OFF. While the lamp is flashing, the unit will not operate because it is initializing.
2 Set the test run mode by pressing "SET" and "OFF TIME" switch simultaneously for more than 3 seconds. The LCD
should be as shown in the figure on the right.
174
TCGB0106 rev.0 - 12/2014
Refer to the details of receiver kit.
TIMER
COOL
OFF
Test run mode is
under suspension
0.25 seconds OFF), and then