Haier HPU-24H03/E1 User manual

Installation Manual of Room Air Conditioner

Tool necessary

1. Screw driver

2. Hacksaw

3. 70mm dia.hole core drill

4. Spanner(dia. 17,27mm)

5. Spanner(14,17,19, 27mm)

6. Pipe cutter

7. Flaring tool

8. Knife

9. Nipper

10. Gas leakage detector

or soap water

11. Measuring tape

12. Reamer

13. Refrigerant oil

Standard accessories

Following parts shall be field

supplied

Mark Part name

Adhensive tape

Pipe clip

Connecting hose

Insulation material

Putty

Drain hose

No. Shape and description QTY

Remote controller

Cement nail

Connecting pipe

Drain hose

Wire clip

Rubber pad

Non-adhensive tape

Fixing of the unit

1. Position of the wall hole

Wall hole should be decided according to installation

place and piping direction.(refer to installation drawings).

2. Making a wall hole

Drill a hole of 70X70mm dia. with a little slope towards

outside.

Indoor side Outdoor side

Thickness

of wall

Wall hole

70mm

(Cross section of wall hole)

Insulation pipe

Dry battery #7

Wall hole cover

Piping hole cover

signal hose

Installation Manual of Room Air Conditioner

3. Piping connection

Connecting method

To bent a pipe, give the roundness as large as possible not to crash the pipe.

When connecting pipe, hold the pipe center to center then screw nut on by hand, refer to Fig.

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

Piping connection of the indoor unit

1. Arrangement of piping and drainage pipe

Cut away, with hammer or a saw, the lid for piping according to piping direction.

According to the piping method, connect the piping on indoor unit with union of connection pipe.

Arrange the piping as per the wall hole and bind drain hose connecting electric cable and piping

together with polyethylene tape.

Insert the bound piping connecting electric cable and drain hoes through wall hole to connect

with outdoor unit.

2. Arrangement drain hose

Drain hose shall be placed in under place.

There should be a slope when arrange drain hose. Avoid up and down waves in drain hose.

If humidity is high, drain pipe(especially in room and indoor unit) must be covered with

installation material.

After opening inlet grill, you will see a control

box as shown in the Fig.

Remove the cover before working.

Insulation material

Copper tube

Drain hose

Connecting electric cable

for indoor and outdoor unit

Installation Manual of Room Air Conditioner

1. Piping connection of the outdoor unit

Connecting the connecting pipe and inlet and

outlet liqued pipe according to the piping method.

Purging Method:

Push the air out of the indoor unit

and piping as followes:

(1) Remove the valve cap on 2-way

valve in outdoor unit.

(2) Loosen by 1/2 turn the flare nut of

gas pipe, which is conneted to

3-way valve.

(3) Loosen 2-way valve by 90o using

hexagon wrench, and after approx.

6 sec tighten it up. Gas comes out

through flare nut on wide pipe. If no

gas is discharged, tighten flare nut

with specified torque.

(4) Open 2-way and 3-way valves

using specified torque.

(5) Tighten the caps on the valves

with specified torque.

2-way valve 3-way valve

Liquid side Gas side

Pipe Diameter ( )

Fastening Torque

Liquid Side 6.35mm(1/4")

Gas Side 15.88mm(1/2") 50N.m

18N.m

Forced fastening without careful

centering may damage the

threads and cause a leakage of

gas.

Liquid Side 9.52mm(3/8")

Gas Side 15.88mm(5/ 8") 60N.m

42N.m

15.88mm (5/8")

9.52mm (3/8")

Liquid side Gas side

2-way valve

3-way valve

Note: When extending piping, air inside piping shall be removed by using external refrigerant gas,

charge according to the following list.

Brand new outdoor unit is charged 50g or 80g(22k,24k) more refrigerant than regulated weight. Only for

first installation, this extra 50g or 80g(22k,24k) can be used to purge airin pipes.

During this procedure, 50g or 80g(22k,24k) refrigerant will be discharged in piping.(This must be

strictly controlled within 90o and 10 sec.)

CAUTION

In case more than 5m

Oil trap shoud be installed every 5~7m

Max. Length: for 7K 9K : A=7m

for 12K: A=10m

for 18K 22K 24K: A=20m

Max.Elevation:

for 7K 9K 12K: 5m

for 18K 22K 24K: 10m

no more gas if the length of connecting pipe is less than

7m(

• •7K 9K

)

• •

or 10m(12K) or 20m(18K 22K 24K).

The height difference between any two indoor or outdoor units can not be

more than 5m(7K 9K 12K ) or 10m(18K 22K 24K).

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Oil trap

Installation Manual of Room Air Conditioner

Note: When additional refrigerant is necessary, first purge air out of connecting pipe by external gas,

then drive out the excessive rerigerant by purging method.

Brand new unit is charged 80g more refrigerant than spec. This is only for first instaltion to purge air

in the indoor unit and connecting pipe.

When piping is longer than 5m, charge additional refrigerant specified in this list.

Pipe length 5m 10m 15m

Refrigerant charge(g) 100 200

Electric wiring

Note:

Electric wiring must be done by qualified person.

Use copper wire only.

The parameter of the connecting cable:

Wiring of indoor unit

Insert the cable from outside the wall hole where piping already exist.

Pull it out from front.

Losen terminal screw and insert cable end fully into terminal block, then

Pull the cable gently to make sure it is tight.

Replace cover after wiring.

Wiring of outdoor unit

Insert the cable from inside the wall hole where piping already exist.

Pull it out from front.

Loose terminal screw and insert cable end fully into terminal block, then tighten it

Pull the cable gently to make sure it is tight.

Replace cover after wiring.

When connecting indoor and outdoor wire, check the number on indoor and outdoor terminal

blocks. Terminals of same number and same color shall be connected by the same wire.

Incorrect wiring may damage air conditioner's control or cause operation failure.

Note:

tighten it

1(L)

Note: User should prepare the part in the dashed

frame by himself.

φ6.35:

Pipe length 5m 10m 15m

Refrigerant charge(g) 300 600

φ9.52:

1 2 3 N L

Outdoor unit

Indoor unit

HPU-18H03/E1 HPU-24H03/E1

Outdoor unit

Indoor unit

1 2 3 N L

HPU-18C03/E1

Indoor unit

Outdoor unit

HPU-24C03/E1

Indoor unit

Outdoor unit

HPU-18H03/E1:3*2.5+2*0.75 HPU-18C03/E1：3*2.5

HPU-24H03/E1：3*2.5+3*0.75 HPU-24C03/E1：4*0.75

Installation Manual of Room Air Conditioner

Others

1. Power supply

Air conditioner must use an exclusive line(over 30A) and there is not power plug with this type,

the type of power supply wireHPU-18/24C03/E1 is 2.5mm2、HPU-18/24H03/E1 is 4.0mm2.

When installation air conditoner in a wet place, try to use a circuit breaker against Current

leakage.

For installation in other palces, use circuit breaker as far as possible.

2. Piping cutting and flaring

Be sure to carry out deburring after cutting with a pipe cutter.

Insert flaring tool to make a flare.

Installation inspection and test run:

Please operate unit according to this Manual.

Items to be checked during test run. Please made a '' '' in '' ''

Are there any gas leakage?

How is insulation at piping connection carried out?

Are electric wires of indoor and outdoor unit firmly inserted into terminal block?

Is electric wiring of indoor and outdoor securely fixed?

Is drainage securely carried out?

Is earth line(grounding) securely connected?

Is power supply voltage abided by the code?

Is there any noise?

Is control display normal?

Is cooling operation normal?

Is room temp. regulator normal?

Liquid pipe

Pipe diameter Size A (mm)

0.8 ~1.5

1.2 ~2.0

6.35mm(3/8")

12.7mm(5/8")

Gas pipe

Correct Incorrect

Lean Damage of flare Crack Partial Too outside

Flare tooling die

Liquid pipe 1.0 ~1.2

1.4 ~2.2

9.52mm(3/8")

15.88mm(5/8")

Gas pipe

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