1.Power Source Installation
The power source must be exclusively used for air conditioner. (Over I0A)
In the case of installing an air conditioner in a moist place, please install an earth leakage breaker.
For installation in other places, use a circuit breaker as far as possible.
2.Cutting and Flaring Work of Piping
Pipe cutting is carried out with a pipe cutter and burs must be removed. 
After inserting the flare nut, flaring work is carried out.
A |
Flare tooling die |
1.Cut pipe | 2.Remove burs |
| Flare tool for R410A | Conventional flare tool | |
| |||
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| 0~0.5mm | 1.0~1.5mm | 1.5~2.0mm |
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3.Insert the flare nut
4.Flare pipe
Correct | Incorrect |
Lean Damage of flareCrack Partial Too outside
3.On Drainage
Please install the drain hose so as to be downward slope without fail. Please don't do the drainage as shown below.
Less than 5cm |
It becomes high midway. | The end is immersed | It waves. | The gap with the ground |
| in water. |
| is too small |
There is the bad smell from a ditch
Please pour water in the drain pan of the indoor unit, and confirm that drainage is carried out surely to outdoor.
In case that the attached drain hose is in a room, please apply heat insulation to it without fail.
Check for Installation and Test Run
Please kindly explain to our customers how to operate through the instruction manual.
Check Items for Test Run | Put check mark in boxes |
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of indoor and outdoor firmly inserted to the terminal block?
Is the connecting wiring of indoor and outdoor firmly fixed?
Is drainage securely carried out? 
Is the earth line securely connected?
Is the indoor unit securely fixed?
Is power source voltage abided by the code?
Is there any noise?
Is the lamp normally lighting? Are cooling and heating (when
in heat pump) performed normally? Is the operation of room temperature regulator normal?
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