Installation
49
Refrigerant Adjustment
10
Flare Nut Fixing Torque
11
It would be the best choice to use the standard tube length to keep
the basic quality of Room Air conditioner, for example cooling and
heating capacity, sound level, vibration level, and reliability.
But, according to a certain different installation condition, the connection
tube length could be changed in the recommendation length that is
shown above.
In this case, installer should keep the installation condition to keep the
quality of Room Air conditioner.
❇
Refrigerant should be charged additionally as written above according to the change of the length of the
connection tube. It needs to affect the decrease in cooling and heating capacity or of the reliability of
compressor that may be caused by a lack of refrigerant.
❇
Installation position difference between the indoor unit and the outdoor unit should not exceed over
than “B” meters.
❇
When the connection pipe is been extended longer than 5 meters, it might need to change the diameter of the
electrical wire to a larger size in order to keep a voltage drop for starting room air conditioner is not less
than 85% of the rated voltage. And then, a voltage meter will be useful to check the rate of the voltage drop.
Class At installation At service
Connection
Pipe Length
Standard
5m
Max.
~15m
(24K : 20m)
Air-Purge
Method
Refer to the
detailed Air-Purge
Procedure
Refrigerant
Adjustment
Unnecessary
Add “A” of refrigerant
(R-22) for every 1m.
Air-Purge
Method
Purge air using a
vacuum pump
or an additional
refrigerant cylinder.
Refrigerant
Quantity
refer to
specification sheet
Add “A” of refrigerant
(R-22) for every 1m.
MODEL
7K/ 9K
12K/
18K
24K
“A”
20(g/m)
30(g/m)
30(g/m)
40(g/m)
“B”
7
7
8
8
Outer diameter
ø 6.35 mm
(Liquid Side)
ø 9.52 mm
(Gas Side)
ø 12.7 mm
(Gas Side)
ø 15.8 mm
(Gas Side)
160
300
500
700
200
350
550
750
Fixing Torque Final Torque
Torque (kg-cm)
00150A(2)-37~53 2/5/01 11:44 AM Page 49
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