Haier HDU-42CH03 User manual

ROOM AIR CONDITIONER

OUTDOOR UNIT

No.0010576723

Before using he air condi ioner,please read his manual carefully.

Please keep his manual properly for fu ure use.

CONTENTS

Name of Parts----------------------1

Safety Cautions------------------2-3

Installation Procedure---------4-13

INSTALLATION INSTRUCTIONS

HB -42CF03 HD -42CF03/H

HB -42HF03 HD -42CH03/H

HB -28CF03

HB -28HF03

HD -42HF03/H

HD -42CI03/H

HD -42HK03/H

HD -50HT03/H

Name of Par s

HB -42CF03

HB -42HF03

HD -42CF03/H

HD -42CH03/H

HB -28CF03

Air inle

Air ou le

(Inside of unit)

Compressor

Air inle

Air ou le

(Inside of unit)

Compressor

HB -28HF03

Air inle

Air ou le

(Inside of unit)

Compressor

Air inle

Air ou le

(Inside of uni )

Compressor

HD -42HF03/H

HD -42CI03/H

HD -42HK03/H

HD -50HT03/H

Below are listed three kinds of Safety Cautions and Suggestions.

WARNING!

CAUTION! Incorrect operations may result in injuries or machine damages; in some cases may

cause serious consequences.

Incorrect operations may result in severe consequences of death or serious injuries.

INSTRUCTIONS: These information can ensure the correct operation of the machine.

Be sure to conform with the following important Safety Cautions.

The Safe y Cau ions should be a hand so ha hey can be checked a any ime when needed.

If the conditioner is transferred to the new user, this manual should be as well transferred to the

new user.

Safe y Cau ions

Carefully read he following informa ion in order o opera e he aircondi ioner

correc ly.

WARNING!

If any abnormal phenomena is found

(e. g.smell of firing), please cu off he

power supply immedia ely, and con ac

he dealer o find ou he handling

me hod.

Don' disman le he ou le of he

ou door uni .

The exposure of fan is very dangerous

whichmay harm human beings.

switch

off

In such case, to continue using the

conditioner will damage the conditioner,

and may cause electrical shock or fire

hazard.

Incorrect maintenance and repairment

may cause water leak, electrical shock

and fire hazard.

When need main enance and repairmen ,

call dealer o handle i .

Af er a long ime use of air-condi ioner

he base should be checked for any

damages.

If the damaged base is not repaired, the

unit may fall down and cause accidents.

Air-condi ioner can' be ins alled in

he environmen wi h inflammable

gases because he inflammable gases

near o air-condi ioner may cause fire

hazard.

Connec ear hing wire.

Use discharge pipe correc ly o ensure

efficien discharge.

Earthing wire should not be con-

nected to the gas pipe, water pipe,

lightning rod or phone line, in-

correct earthing may cause shock.

Incorrect pipe use may cause water

leaking.

Earthing

Safe y Cau ions

WARNING!

Ins alled elec rical-leaking circui

breaker.

It easily cause electrical shock without

circuit breaker.

Please le he dealer be responsible for

ins alling he condi ioner.

Incorrect installation may cause water

leak, electrical shock and fire hazard.

Call he dealer o ake measures o

preven he refrigeran from leaking.

If conditioner is installed in a small

room be sure to take every measure in

order to prevent suffocation accident

even in case of refrigerant leakage.

When condi ioner is deins alled or

reins alleddealer should be respon-

sible for hem.

Incorrect installation may cause water

leaking, electrical shock and fire hazard.

No goods or nobody is permi ed o

placed on or s and on ou door uni .

The falling of goods and people may

cause accidents.

Don' opera e he air-condi ioner wi h

damp hands.

Otherwise will be shocked.

Only use correc ly- yped fuse.

May not use wire or any other materials

replacing fuse, other-wise may cause

faults or fire accidents.

Note :

(1). Fix the parts with screws

(2).Don't intake the strong wind directly to the

outlet air-flow hole.

(3).A one meter distance should be kept from the

unit top

(4).Don't block the surroundings of the unit with

sundries

Ins alla ion Procedure

2. Selec ion of he place of ins alla ion

1. Accessories

"Edging" for protection of electric wires from an

opening edge.

Select the place of installation satisfying the following conditions and, at the

same time, obtain a consent from the client or user.

Edging

Place where air circulates.

Place free from heat radiation from other heat sources.

Place where drain water may be discharged.

Place where noise and hot air may not disturb the neighborhood.

Place where there is not heavy snowfall in the winter time.

Place where obstacles do not exist near the air inlet and air outlet .

Place where the air outlet may not be exposed to a strong wind.

Place surrounded at four sides are not suitable for installation. A 1m or more

of overhead space is needed for the unit.

Mount guide-louvers to place where short-circuit is a possibility.

When installing several units, secure sufficient suction space to avoid short

circuiting.

Wind direction

(2) Ins alla ion where he area wi h s rong winds.

Install the unit so that the air outlet section of the unit must NOT be faced

toward wind direction.

(1) Open space requiremen around he uni

500

(Servicing

space)

Air outlet

Air inlet

Air

inlet

Case

Distance

nit: mm

open open

open

500

150

150 300

300 0

III III

Ins alla ion of ou door uni

(2) Ins alla ion ske ch of ou door uni

310

3. Ins alla ion of ou door uni

Fix the unit in a proper way according to the condition of a place where it is

installed by referring to the following .

(1) Ins alla ion

Ins alla ion of ou door uni

Ins alla ion Procedure

635

340

Power Wiring Terminal

Power Wiring

Distribution Hole

862

730

HB -28CF03

(b) Foundation anchor

(a) Concrete foundation

Install the unit so that the angle of inclination must be less than 3 degrees.

Note: (1) Give enough room for the concrete

foundation to fix by anchor bolts. Note: (1) Place the concrete foundation deep enough.

nit

To fix by bolts

Anchor bolt Concrete foundation

nit

Concrete foundation

Anchor bolt

(a) Concrete foundation (b) Foundation anchor

Concrete foundation

nit

Anchor bolt

Concrete foundation

nit

To fix by bolts

340

410

Ins alla ion of ou door uni

Ins alla ion Procedure

580

380

Power Wiring Terminal

Power Wiring

Distribution Hole

948

840

HB -28HF03

Power Wiring Terminal

Power Wiring

Distribution Hole

646

447

1008

830

HB -42CF03 HD -42CF03/H

HB -42HF03 HD -42CH03/H

340

Outdoor

unit

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

3-way stop valve

Ins alla ion of ou door uni

Ins alla ion Procedure

Outdoor

unit

Gas pipe

Liquid

pipe

Flare connection

Indoor

unit

3-way stop valve

2-way stop valve

4. Refrigeran piping

580

380

948 Power wiring Terminal

1250

HD -42CI03/H HD -42HK03/H

HD -42HF03/H

HB -28HF03

HB -28CF03 HB -42CF03 HB -42HF03 HD -42CI03/H HD -42CH03/H

HD -42CF03/H HD -42HF03/H¡¡ HD -50HT03/H HD -42HK03/H¡¡¡¡

HD -50HT03/H

(2) Piping size

Install the removed flare nuts to

the pipes to be connected, then

flare the pipes.

(3) Limi a ions for one way piping leng h and ver ical heigh difference.

Precautions for refrigerant piping

Do not twist or crush piping.

Be sure that no dust is mixed in piping.

Bend piping with as wide angle as possible.

Keep insulating both gas and liquid piping.

Check flare-connected area for gas leakage.

Connecting method (indoor unit)

Apply refrigerant oil at half union as large and flare nut.

To bend a pipe, give the roundness as possible not to crush

the pipe.

When connecting pipe, hold the pipe centre to centre then

screw nut on by hand, refer to Fig.

Be careful not to let foreign matters, such as sands enter

the pipe.

(4) Piping connec ion

Forced fastening without centering

may damage the threads and cause a

gas leakage.

Pipe dia Fastening torque

Liquid pipe 6.35mm

Gas pipe 15.88mm

Liquid pipe 9.52mm

Gas pipe 19.05mm

14.2-17.2N.m

61.8-75.4N.m

32.7-39.9N.m

97.2-118.6N.m

Gas pipe 12.7mm 49.5-60.3N.m

HD -42CH03/H HD -42CI03/H

HD -42HK03/H HD -50HT03/H

Gas pipe

Liquid pipe

Gas pipe

9.52x0.8mm

15.88x1.0mm

9.52x0.8mm

19.05x1.0mm

Liquid pipe

Refrigeran piping

90+0.5

Ins alla ion Procedure

Model

One way piping length Vertical height difference

(between indoor and outdoor)

less than 40 m

HB -42CF03 HB -42HF03

HD -42CF03/H HD -42HF03/H

HB -28CF03 HB -28HF03

less than 50 m

less than 15 m

less than 30 m

HBU-42CF03

HBU-42HF03

HDU-42CF03/H

HBU-28CF03

HBU-28HF03

HDU-42HF03/H

HDU-50HT03/H

HDU-42CH03/H

HDU-42CI03/H

HDU-42HK03/H

In the first to third test steps, if the pressure drops, check the leakage in each joint

use sense of hearing, feeling and soap water, etc. methods to find the leaking point.

After confirming the leaking point, welding it again or tighten the nut tightly again.

Checking the leaking point

First step: 0.3MPa (3.

0kg/cm

g) pressurize

over 3 minutes.

Second step: 1.5Mpa

(15kg/cm

g) pressurize

over 3 minutes. Large

leakage will be found.

Third step: 3.0 MPa

(30kg/cm

g) pressurize

about 24 hours. Little

leakage will be found.

After finishing connection of refrigerant pipe, it shall perform air tightness test.

The air tightness test adopts nitrogen tank to give pressure according to the pipe connection

mode as the following figure shown.

The gas and liquid valve are all in close state. In order to prevent the nitrogen entering the

circulation system of outdoor unit, tighten the valve rod before giving pressure (both gas

and liquid valve rods).

Outdoor

Completely tightened

Flare part

Outdoor units

Manhole

Discharging valve

3-way valve totally closed

(Gas side)

Low pressure peizometer

High pressure peizometer

Meter separator

Dropping valve

2-way or 3-way valve totally closed

(Liquid side)

Nitrogen tank

VL VH

Indoor units

Indoor

Flare part

From pressurizing to 24 hours later, each 1¡ difference of ambient temperature

will make 0.01MPa(0.1kg/cm2g) pressure change. It shall be corrected during test.

Check if the pressure drops

The pressure does not drop-passed

The pressure drops-check the leaking point.

5. Air discharging me hod

CYLINDER

NITROGEN

SERVICE

HO SE

LARGE

SLIP-ON

CONNECTOR

SWEAT

JOINT

T BING

BRING

BRAZED

LINE

PRESS RE

GA GE

CYLINDER

PRESS RE

GA GE

Ins alla ion Procedure

Refrigeran piping

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