Installation Manual
15
Installation
ENGLISH
1. Always use the nitrogen.(not use oxygen, carbon dioxide, and a Chevron gas):
Please use the following nitrogen pressure 0.02MPa
Oxygen --------- Promotes oxidative degradation of refrigerant oil.
Because it is flammable, it is strictly prohibited to use
Carbon dioxide --- Degrade the drying characteristics of gas
Chevron Gas ---- Toxic gas occurs when exposed to direct flame.
2. Always use a pressure reducing valve.
3. Please do not use commercially available antioxidant.
The residual material seems to be the oxide scale is observed.
In fact, due to the organic acids generated by oxidation of the alcohol contained in the anti-oxidants, ants nest corrosion
occurs. (causes of organic acid
→
a water + temperature)
Drain Piping
1. To remove the front panel from the indoor unit,
remove the front panel from the indoor unit
cabinet.
n
Set the air direction louvers up-and-down to the
position(horizontally) by hand.
n
Remove the securing screws that retain the front
panel. Pull the lower left and right sides of the
grille toward you and lift it off.
(2.1/7, 2.6/9, 3.5/12 kW/Btu models: 2EA,
3.5/18 kW/Btu models: 3EA)
2. To check the drainage.
n
Pour a glass of water on the evaporator.
n
Ensure the water flows through the drain hose of
the indoor unit without any leakage and goes out
the drain exit.
Screw
Pull the right and the left side.
