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8

9

Purging the Unit 

4.2

On delivery, the indoor unit is loaded with an inert gas. All this gas must therefore be purged before 
connecting the assembly piping. 

1.  Remove the caps at the end of each refrigerant tube the inert gas will escape from the 

indoor unit. 

During installation the inside tube should be cleanly , do not remove the caps until ready to connect  

the tubes. 

Installing and Connecting the Refrigerant Tube 

4.3

There are two refrigerant tubes of differing diameters: 

-   A smaller one for the liquid refrigerant. 
-   A larger one for the gas refrigerant. 

 

A short length of piping is already fitted to the air conditioner. You must extend this tube 

using assembly tube.  

Recommended size at the refrigerant tube

Model 

09,000 

12,000 

18,000 

25,000 

30,000 

 

 
 

Refrigerant 
tube (inch) 

1/4 

1/4 

 

3/8 

3/8 

 

 

Return gas 
tube (inch) 

1/2 

1/2 

1/2 

5/8 

5/8 

 

 

1.  With a knife, cut out the appropriate knockout piece on the rear of the indoor unit. 

1.  Smooth the cut edges.  

1.  Use flare connector to connect the refrigerant tube between the indoor unit and outdoor unit. 

Note: 

If the tube must be extended, refer to cutting/extending the tube.

 

Cutting/Extending the tube

 

 

In recommended, the refrigerant tubes are 

not over than 5 m eters. If necessary, the 

length can be up to 30 meters, but the refrigerant must be added to the circuit according table 

below: 

Class

Connection
Pipe Length

Air-purge
Method

At installation

Refrigerant
Adjustment

5m Max.

Unnecessary

Refer to the detailed 
Air-Purge Procedure
and Vacuum Tube Procedure

For o 1/4 tube adds 13 g.
Of refrigerant (R-410

A

for every 1 m.

For o 3/8 tube adds 58 g.
Of refrigerant (R-410

A

for every 1 m.

5-30m

3

6

5

4

7

Air outlet

Air inlet

Drain hose

Water inlet

Plug for water tray

1/4

Содержание WI-CH2010-WSDC2-W-APS-INV

Страница 1: ...HYBRID INVERTER HYBRID INVERTER...

Страница 2: ...3 4 14 15 16 17 17 18 000 25 000 Btu h Connectingthe Cable To The Indoor Unit WHITE RED ORANGE Warning 1 Using circuit breaker which hascontact gab at least3 mm for installation 2 The outdoor supply...

Страница 3: ...Outdoor Unit 9 000 12 000 Btu h Indoor Unit 9 000 12 000 Btu h 9 000 12 000 Btu h 16 1 855 855...

Страница 4: ...2 Indoor Unit 18 000 25 000 Btu h Outdoor Unit 18 000 Btu h 9 000 36 000 Btu h 15 Dimension Wiring diagram Indoor unit...

Страница 5: ...r Unit I n Position 4 10 When you have checked that there are no leaks in the system you can insulate the piping hose and cables 1 Insulate both of the refrigerant pipes separately so that dewing and...

Страница 6: ...tself Q If the condensing unit is installed in the direction such that the airflow goes directly against a wall the minimum distance between condensing unit and the wall is 1 5 meter as show in the fi...

Страница 7: ...t should be hung on a rigid wall area and right angle steel 8 cm thick should be used for the holder Put the rubber under the nut Rigid wall by using screws Right angle steel thick 4 cm Fasten right a...

Страница 8: ...areas where sulfuric gas is present such as hot spring areas areas where large var iations in supply voltage occur such as factories Contact your dealer for advice Installation Diagram of Indoor Unit...

Страница 9: ...istance for easy maintenance 4 Indoor Unit Outdoor Unit I nstallation 4 1 Fixing theHanging Plate Before fixing the hanging plate to the wall the things must determine arefollowing The hanging plate w...

Страница 10: ...Refrigerant tube inch 1 4 1 4 3 8 3 8 Return gas tube inch 1 2 1 2 1 2 5 8 5 8 1 With a knife cut out the appropriate knockout piece on the rear of the indoor unit 1 Smooth the cut edges 1 Use flare...

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