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Installation Procedure
Step 1 Checking and preparing
accessories
The following accessories are supplied with the indoor
unit. The type and quantity may differ, depending on the
specifications.
Pattern sheet (1)
Insulation pipe
(Liquid side1, gas side1)
Installation manual (1)
Cable-tie (6)
Dimension gauge (1)
Drain hose (1)
Insulation drain hose (1)
User manual (1)
Clamp (1)
Step 2 Choosing the installation
location
Installation location requirements
• There must be no obstacles near the air inlet and
outlet.
• Install the indoor unit on a ceiling that can support its
weight.
• Maintain sufficient clearance around the indoor unit.
• Before installing the indoor unit, be sure to check
whether the chosen location is well-drained.
• The indoor unit must be installed such that it is beyond
public access and is not touchable by users.
• Rigid wall without vibration.
• Where it is not exposed to direct sunshine.
• Where the air filter can be removed and cleaned easily.
Do not install the air conditioner in following places.
• Place where there is mineral oil or arsenic acid. Resin
parts flame and the accessories may drop or water may
leak. The capacity of the heat exchanger may reduce or
the air conditioner may be out of order.
• The place where corrosive gas such as sulphuric acid gas
generates from the vent pipe or air outlet.
• The copper pipe or connection pipe may corrode and
refrigerant may leak.
• The place where there is a machine that generates
electromagnetic waves. The air conditioner may not
operate normally due to control system.
• The place where there is a danger of existing combustible
gas, carbon fibre or flammable dust.
• The place where thinner or gasoline is handled. Gas may
leak and it may cause fire.
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