Hitachi RAC-R10EX Installation Manual Download Page 4

Insulation and Maintenance of Pipe

1

FINAL ST

A

GE OF INST

ALLA

TION

   Earth Line And Circuit Breaker

3

FINAL TREA

TMENT

Method to Remove Electrical Cover

Remove the screw and electrical cover.

Insert the connecting cord (A, B) and thermistor wire from the bottom of unit.

Fixed the wire to terminal wires firmly as shown in figure below.

Wiring Of The Indoor Unit

For wire connection of the Indoor unit, you need to remove front panel and electrical cover.

Electrical Cover

Fixing Screw

WARNING

You may not be able to close the side cover due to the connecting cord, under such situation,
please press against the wait of side cover to fix it.

Be sure that the hooks (2 places) are plugged in.
Otherwise, water leakage may occur and this causes short circuit or faults.

Wiring Of The Outdoor Unit

Please remove the side cover for wire connection.

!

E

A

B

Pipe

Connecting Cord And
Thermistor Wire

Bottom Cover

Thermistor Wire

Fixing Band

Connecting Cord And
Thermistor Wire

B

A

Side Cover

Connection Wire Is
Put Under Here

Connection Wire And
Thermistor Wire

  Power Source And Operation Test

4

Power Source

CAUTION

!

Please use a new socket. Accident may occur due to the use of old socket because of poor contact.

Please plug in and then remove the plug for 2 – 3 times. This is to ensure that the plug is completely plugged
into the socket.

Keep additional length for the power cord and do not render the plug under external force as this may cause
poor contact.

Do not fix the power cord with U-shape nail.

Operation Test

Please ensure that the air conditioner is in normal operating condition during the operation test.

Explain to your customer the proper operation procedures as described in the user’s manual.

CAUTION

!

The earth line terminal of the outdoor unit is below the service valve.

To avoid short circuit, it is necessary to install circuit breaker depending on the mounting location of the unit.

Do not place earth line near the following objects:
(1)

Water pipe

(2)

Gas pipe – There is danger of catching fire.

(3)

The earth line of lightning conductor and telephone – short circuit may occur during lightning.

WARNING

!

Do not alter the plug of power cord.

Do not make extension to the power cord.

The connected terminals should be completely sealed with heat insulator and then tied up with rubber strap.

Please tie the pipe and power line together with plastic tape as shown in the figure of installation of both the
indoor and outdoor units. Then fix their position with holders.

To enchance the heat insulation and to prevent water condensation, please cover the outdoor part of the drain
hose and pipe with insulation pipe.

Completely seal any gap with putty.

Insulation Material For Pipe Connection

Sleeve Of
Protection
Pipe

  Installation Of Remote Control

2

The remote controller can be placed in its holder which is fixed on wall or beam.

To operate the remote controller at its holder, please ensure that the unit can receive signal transmitted from
the controller at the place where the holder is to be fixed. The unit will beep when signal is received from the
remote controller. The signal transmission is weaken by the florescent light. Therefore, during the installation
of the remote control holder, please switch on the light, even during day time, to determine the mounting
location of the holder.

Wall Of Pilar

Remote Control Mounting Screw

Air Exchanger’s End Treatment

1

When not using protection cap.
(1) Make sure the air exchanger hose and end of rain ventilate nets gap is 230~280mm from wall.

• If air exchanger hose directly bend downward from hole, make sure the cutting is 250~280mm from wall.
• If air exchanger hose directly connect to outdoor, cut 250~280mm from the bend point.

(2) Seal the anti insect ventilate net and rain proof ventilate net which suits with air exchanger hose by using

vinyl 1 tape.

(3) Fix drain hose with tape. Make sure the exit is facing downward.

CAUTION

!

If gap until end of air exchanger is too small and air exchanger end is not fix downward, there is possibility
that the rain is enter to rain.

At strong wind area and side area, set is longer.

(1) Air Exchange Hose

(3) Anti Insect Ventilate

Net’s Hook Must Be
Fixed With Rain Proof
Ventilate Net.

(2) Press Rain Proof Ventilate Net.

(4) Seal With Vinyl Tape

Air
Exchange
Hose

Coolant
Pipe

Cap

Net

To Fix Ventilate Pipe Through Wall

2

In case hole can be opened from outside wall.
(1) Diameter hole is ø40.
(2) Air exchanger hose put outside, fix anti-insect ventilate net and rain proof ventilate net with vinyl tape.
(3) Fix the air exchanger facing downward with fixing plate.

Seal With Sealer

Connecting Cord

Refrigerating Pipe

Drain Hose

Seal With Sealer

At Exchange Hose

Fixing Plate (option)

Air Exchange Hose

Ventilate Pipe
Facing Down

Do Not Cut The Hose

Putty

IMPORTANT

Fuse Capacity

10A time delay fuse

Summary of Contents for RAC-R10EX

Page 1: ...power wireless systems The installation height of indoor unit must be 2 3m or more CAUTION Do not expose the unit under direct sunshine or rain Besides ventilation must be good and clear of obstruction The air blown out of the unit should not point directly to animals or plants The clearances of the unit from top left right and front are specified in figure below At least 2 of the above sides must...

Page 2: ...he possibility of damaged by mouse CAUTION 2 5mm Protection pipe Outdoor Indoor Seal with putty Sleeve of protection pipe WALL INDOOR UNIT Transform the piping while holding down the lower portion of pipe support by hand Drain Hose Drain Cap Wrap With The Tape Hanger Refrigerating Pipe Projection Pipe Drain Hose Two Way Air Exchange Hose Connecting Cord Hanger Projection Drain Hose Visible Outline...

Page 3: ...e connection to stop leakage Procedures of using Vacuum Pump for Air Removal As shown in figure on the right remove the cap of valve head and valve core and then connect them to the vacuum pump and sub division valve Fully tighten the Hi shuttle of the sub division valve and completely unscrew the Lo shuttle Run the vacuum pump for about 10 15 minutes then completely tighten the Lo shuttle and swi...

Page 4: ...ap Please tie the pipe and power line together with plastic tape as shown in the figure of installation of both the indoor and outdoor units Then fix their position with holders To enchance the heat insulation and to prevent water condensation please cover the outdoor part of the drain hose and pipe with insulation pipe Completely seal any gap with putty Insulation Material For Pipe Connection Sle...

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