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1.Cut pipe

3.Insert the flare nut

4.Flare pipe

It becomes high midway.

The end is immersed
in water.

It waves.

The gap with the ground
is too small

Less than 5cm

There is the bad smell
from a ditch

2.Remove burs

1.Power Source Installation

2.Cutting and Flaring Work of Piping

3.On Drainage

Check for Installation and Test Run

Check Items for Test Run

The power source must be exclusively used for air conditioner. (Over I0A)
In the case of installing an air conditioner in a moist place, please install
an
earth leakage breaker.
For installation in other places, use a circuit breaker as far as possible.

Pipe cutting is carried out with a pipe cutter and burs must be removed.
After inserting the flare nut, flaring work is carried out.

Please install the drain hose so as to be downward slope without fail.
Please don't do the drainage as shown below.

Please pour water in the drain pan of the indoor unit, and confirm that drainage is
carried out surely to outdoor.
In case that the attached drain hose is in a room, please apply heat insulation
to it without fail.

Please kindly explain to our customers how to operate through the instruction manual.

Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of
indoor and outdoor firmly inserted
to the terminal block?
Is the connecting wiring of indoor
and outdoor firmly fixed?

Is drainage securely carried out?
Is the earth line securely
connected?
Is the indoor unit securely fixed?
Is power source voltage abided
by the code?
Is there any noise?

Put check mark       in boxes

Is the lamp normally lighting?
Are cooling and heating (when
in heat pump) performed normally?
Is the operation of room temperature
regulator normal?

Flare tooling die

Correct

Incorrect

Lean Damage of flare Crack

Partial

Too outside

8

A

Liquid side

Pipe diameter(    ) Size A(mm)

6.35mm(1/4")

9.52mm(3/8")

0.8~1.5

1.0~1.8

Gas side

12.7mm(1/2")

1.2~2.0

Gas side

9.52mm(3/8")

1.0~1.8

Liquid side

Gas side

15.88mm(5/8")

1.4~2.2

Summary of Contents for HSU-18CVY03

Page 1: ...n 10cm more than 10cm Adhesive tape Saddle L S with screws Attention must be paid to the rising up of drain hose Arrangement of piping directions Rear left Rear right Left Below Right Connecting elect...

Page 2: ...er on a wall place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened Place which is less affected by rain or direct sunlight and is sufficiently ventilated...

Page 3: ...When the mounting plate is first fixed for the position of wall hole Fix to side bar and lintel a mounting bar Which is separately sold and then fasten the plate to the fixed mounting bar Make a hole...

Page 4: ...aslant from the underside and then put it down perpendicularly Remove terminal cover at right bottom corner of indoor unit then take off wiring cover by removing its screws When connecting the cable a...

Page 5: ...t the cable ends fully into terminal block then tighten the screws Pull the cable slightly to make sure the cables have been properly inserted and tightened After the cable connection never fail to fa...

Page 6: ...pe Diameter Liquid side 6 35mm 1 4 Liquid side 9 52mm 3 8 Fastening torque Drawing for the installation of indoor and outdoor units Insert the cable according to terminal number in the same manner as...

Page 7: ...alves using specified torque 5 Tighten the caps on the valves with specified torque Valve rod Valve cap 7 9 20 25 Tighten torque N m When connecting pipe exceeds 5 meters 16g refrigerant shall be adde...

Page 8: ...pan of the indoor unit and confirm that drainage is carried out surely to outdoor In case that the attached drain hose is in a room please apply heat insulation to it without fail Please kindly expla...

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