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1. SAFETY SUMMARY
DANGER:
DO NOT pour water into the centralized ON/OFF controller. This
product is equipped with electrical parts. If poured, it will cause a
serious electrical shock.
WARNING:
DO NOT perform installation work and electrical wiring connection
by yourself. Contact your distributor or dealer of HITACHI and ask
them for installation work and electrical wiring by service person.
When performing the insulation test, withstand voltage test and
so on, ensure to remove the FG terminal connection of TB1. If
performing aforementioned test with the FG terminal connected,
the malfunction will occur.
DO NOT turn OFF the power supply within 3 minutes after opera-
tion by the controller. It may cause the malfunction.
2. INSTALLATION WORK
2.1.SELECTION OF INSTALLATION PLACE
- Select a suitable place for handling and determine the installation
place of the controller with the customer's acceptance.
- Do not install the centralized ON/OFF controller at such places as;
where children can touch
−
where the air from the air conditioner is directly discharged
−
in a high humidity
−
2.3 INSTALLATION PROCEDURE
WARNING:
Ensure to fix the centralized ON/OFF controller according to this manual. The incorrect installation will cause personal injury due to the fall of
the centralized ON/OFF controller
1. Insert the edge of the screwdriver into the slot parts at the bottom of the case, push and turn the screw-driver and remove the control part from
the power supply part. Do not insert the screwdriver into the nail near the slot part, or the nail will be damaged.
Power Supply Part
Control part
Slot part
INSTALLATION AND OPERATION MANUAL
2.2.BEFORE INSTALLATION
This packing contains the following parts:
1 Centralized ON/OFF
Slot Part
Approx. 6 mm
Screw
driver
CAUTION:
- DO NOT install the indoor unit, outdoor unit, centralized ON/OFF
controller and cable at such places as;
where there is oil vapor and the oil is dispersed
−
where the hot springs are near (in a sulfuric environment)
−
where generation, flowing, staying or leaking of flammable
−
gas is detected
where the sea is near (in the saline environment)
−
an acid or alkaline environment
−
- DO NOT install the indoor unit, outdoor unit, centralized ON/OFF
controller and cable within approximately 3 meters from strong
electromagnetic wave radiators such as medical equipment.
In case that the centralized ON/OFF controller is installed in a
place where there is electromagnetic wave radiation, shield the
controller and cables by covering with the steel box and running
the cable through the metal conduit tube.
- In case that there is electric noise at the power source for the
indoor unit, provide a noise filter.
2 Screw <M4 x 16L for
fixing Centralized ON/OFF
Controller
Controller onto the Wall
Figure seen from bottom side
Screw
driver
9
1 Seal for attaching
Nameplate
Nail
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