INSTALLATION PROCESS
ENGLISH
13
INSTALLATION PROCESS
Outside unit foundation work
Installation of outside unit
Insulation work
Leak detection
Installation of Indoor unit
Refrigerant / drain piping work
Indoor unit sleeve and insert
Preparation of contract drawings
Selection of installation site
Vacuum / refrigerant charge
Electrical Wiring
Schematic Diagram for refrigerant piping, power wiring, control,
drain piping
Beware of the downward sloping of exhaust drain pipes and
the direction of indoor unit.
Be sure to let nitrogen gas flow in the pipe when welding.
Adjust to downward slope when piping the drain.
Weld the pipe cap when the piping is completed.
Write down the exact length of refrigerant pipes.
(used for calculating the amount of addtional charging)
Use concrete pad
Provide sufficient
vibration-proofing device
Make sure airflow is sufficient
Beware of downward sloping
of exhaust drain pipes.
Preparation for a possible
freezing should be considered
during installation.
Explain the use of the system as clearly as possible to your customer
before transferring.
Refer to this installation manual for proper setup.
Pipe connection between
indoor/outdoor units
Auto-addressing of indoor unit
and remote control
Transfer to customer with
explanation
Insulate the drain pipes.
Charge correctly as calculate in this manual.
The order of the above list may vary depending on the different conditions of installation sites.
Read the installation manual thoroughly before installation.
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