Installation Procedure
Outdoor is precharged with refrigerant.
Be sure to see the Fig.1, when connecting and removing piping from unit.
For the size of the flare nut, please refer to Table 1.
Apply refrigerant oil at both inside and outsid of lflare nut. Tighten it band tight 
Use torque specified in Table 1. (Too much force may damage flare nut, causing gas leakage).
Check piping joints for gas leakage. Insulate piping as shown in Fig. below. 
Cover joint of gas piping and insulator 
spanner
Pipe dia, shall be equal or larger than that of unit piping.(pipe of polyethylent; size: 25mm; O.D:32mm)
Drain pipe should be short, with a downward slope at least 1/100 to prevent air bag from happening.
If downward slope can't be made, take other measures to lift it up.
Keep a distance of 
Installation height shall be less than 280mm.
There should be a right angle with unit, 300mm from unit.
below75
The slope of water drain hose (1) shall be within 75mm, don't apply too much force on it. 
If several water hoses join together, do as per following proceedures.
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