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Items to be checked Possible malfunction
Does the power cord follow specification? It may cause malfunction or damage the parts.
Is there any obstruction in air inlet and air outlet? It may cause insufficient cooling (heating).
The dust and sundries caused during installation are
removed?
It may cause malfunction or damage the parts.
The gas valve and liquid valve of connection pipe are
open completely?
It may cause insufficient cooling (heating) capacity.
Test operation
1. Preparation of test operation
• The client approves the air conditioner installation.
• Specify the important notes for air conditioner to the client.
2. Method of test operation
• Put through the power, press ON/OFF button on the remote controller to start operation.
• Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check whether the operation is
normal or not.
• If the ambient temperature is lower than 16Φ, the air conditioner cannot start cooling.
Configuration of connection pipe
1. Standard length of connection pipe: 5, 7.5, 8 m.
2. Min. length of connection pipe is 3 m.
3. Max. length of connection pipe and max. height
difference.
Cooling capacity Max length
of pipe
Max. height
difference
5000 Btu/h
(1465 W)
15 m 5
7000 Btu/h
(2051 W)
15 m 5
9000 Btu/h
(2637 W)
15 m 5
12000 Btu/h
(3516 W)
20 m 10
180 Btu/h
(5274 W)
25 m 10
Cooling capacity Max length
of pipe
Max. height
difference
Btu/h
(1465 W)
15 m 5
7000 Btu/h
(2051 W)
15 m 5
9000 Btu/h
(2637 W)
15 m 5
12000 Btu/h
(3516 W)
20 m 10
180 Btu/h
(5274 W)
25 m 10
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