AirStage AUUB18TLAV Panduan Instalasi - Halaman 3

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2. ABOUT THIS PRODUCT

2.1. Precautions for using the R410A refrigerant

WARNING

Do not introduce any substance other than the prescribed refrigerant into the

refrigeration cycle.

If air enters the refrigeration cycle, the pressure in the refrigeration cycle will become

abnormally high and cause the piping to rupture.

If there is a refrigerant leakage, make sure that it does not exceed the concentration

limit.

If a refrigerant leakage exceeds the concentration limit, it can lead to accidents such

as oxygen starvation.

Do not touch refrigerant that has leaked from the refrigerant pipe connections or other

area. Touching the refrigerant directly can cause frostbite.

If a refrigerant leakage occurs during operation, immediately vacate the premises and

thoroughly ventilate the area.

If the refrigerant comes in contact with a ﬂ ame, it produces a toxic gas.

2.2. Special tool for R410A

WARNING

To install a unit that uses the R410A refrigerant, use dedicated tools and piping

materials that have been manufactured speciﬁ cally for R410A use.

Because the pressure of the R410A refrigerant is approximately 1.6 times higher

than the R22, failure to use dedicated piping material or improper installation can

cause rupture or injury.

Furthermore, it can cause serious accidents such as water leakage, electric shock,

or ﬁ re.

Tool name

Pressure is huge and cannot be measured with a conventional

(R22) gauge. To prevent erroneous mixing of other refrigerants,

the diameter of each port has been changed.

Gauge manifold

It is recommended to use a gauge manifold with a high pressure

display range 30 in.Hg to 768 psi (–0.1 to 5.3 MPa) and a low

pressure display range 30 in.Hg to 551 psi (–0.1 to 3.8 MPa).

To increase pressure resistance, the hose material and base

Charging hose

size were changed.

A conventional (R22) vacuum pump can be used by installing

a vacuum pump adapter. Be sure that the pump oil does not

Vacuum pump

backflow into the system. Use one capable for vacuum suction

of 5 Torr, –755 mm Hg (–100.7 kPa).

Gas leakage

Special gas leakage detector for HFC refrigerant R410A.

detector

2.3. Accessories

WARNING

For installation purposes, be sure to use the parts supplied by the manufacturer or

other prescribed parts.

The use of non-prescribed parts can cause serious accidents such as the unit to fall,

water leakage, electric shock, or ﬁ re.

The following installation parts are furnished. Use them as required.

Keep the Installation Manual in a safe place and do not discard any other

accessories until the installation work has been completed.

Name and Shape

Operation Manual

Installation Manual

Cable tie (Large)

Cable tie (Medium)

Contents of change

Q'ty

Application

(This book)

For ﬁ xing the connection

pipe (Large and Small)

For transmission and remote

controller cable binding.

Coupler heat insulation

(Small)

Coupler heat insulation

(Large)

Template (Carton top)

Washer

Drain hose insulation

Drain Hose

Hose Band

Drain Pipe Insulation

2.4. Optional parts

Description

Model

UTY-XWZXZC

UTY-XWZXZB

External connect kit

UTY-XWZXZD

UTY-XWZXZ7

UTY-XWZXZE

2.5. About unit of the length

All Fujitsu General products are manufactured to metric units and tolerances. United

States customary units are provided for reference only. In cases where exact dimensions

and tolerances are required, always refer to metric units.

3. INSTALLATION WORK

Correct initial installation location is important because it is difﬁ cult to move unit after it is

installed.

3.1. Selecting an installation location

WARNING

Select installation locations that can properly support the weight of the indoor. Install

the units securely so that they do not topple or fall.

Do not install the unit in the following areas:

• Area with high salt content, such as at the seaside.

It will deteriorate metal parts, causing the parts to fail or the unit to leak water.

• Area ﬁ lled with mineral oil or containing a large amount of splashed oil or steam,

such as a kitchen.

It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.

• Area that generates substances that adversely affect the equipment, such as sulfuric

gas, chlorine gas, acid, or alkali.

It will cause the copper pipes and brazed joints to corrode, which can cause

refrigerant leakage.

• Area that can cause combustible gas to leak, contains suspended carbon ﬁ bers or

ﬂ ammable dust, or volatile inﬂ ammables such as paint thinner or gasoline.

If gas leaks and settles around the unit, it can cause a ﬁ re.

• Area where animals may urinate on the unit or ammonia may be generated.

For indoor side pipe joint (Small)

For indoor side pipe joint (Large)

For installing indoor unit.

For installing drain hose

For installing drain pipe

(Ø 3/4 in. [I.D.]; Ø 1-1/16 in. [O.D.])

For installing drain hose

For installing drain pipe

Application

For output function

(Output terminal / CNB01)

For control input function

(Apply voltage terminal / CNA01)

For control input function

(Dry contact terminal / CNA02)

For forced thermostat off function

(Apply voltage terminal / CNA03)

For forced thermostat off function

(Dry contact terminal / CNA04)

CAUTION

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