Indicate clearly who is to be responsible for switch settings.
Make relationship between outdoor, indoor, remote controller,
and option connections clear.(Prepare control circuit diagram)
Take account of gradient of drain piping.
Check model name to make sure the fitting is made correctly.
Special attention to dryness, cleanness and tightness.
Adjust to downward gradient.
Make sure airflow is sufficient.
Make sure no gaps are left where the insulating materials
are joined.
Multiple core cable must not be used.(suitable cable should
be selected)
The foundation must be level.
Avoid short circuits and ensure sufficient space is allowed
for service.
In the final check for 24hours at 3MPa(30.0 kg/cm
2
) there
must be no drop in pressure.
The vacuum pump must have a capacity of reaching at
least 5mmHg, 3hours
Recharge correctly as calculated in this manual,
and record the amount of additional refrigerant.
Make sure there are no gaps left between the facing mate-
rials used on the ceiling.
Refer to automatic addressing flowchart.
Run each indoor unit in turn to make sure the pipe work
has been fitted correctly.
Explain the use of the system as clearly as possible to your cus-
tomer and make sure all relevant documentation is in order.
10 Outdoor Unit
Installation Process
Installation Process
Determination of division work
Preparation of contract drawings
Sleeve and insert work
Installation of indoor unit
Refrigerant piping work
Drain pipe work
Duct work
Heat insulation work
Electrical work
(connection circuits and drive circuits)
Outdoor unit foundation work
Installation of outdoor unit
Automatic addressing of indoor unit
All tight test
Vacuum drying
Additional charge of refrigerant
Fit facing panels
Test run adjustment
Transfer to customer with explanation
The above list indicates the order in which the individual work operations are normally carried out but this order
may be varied where local conditions warrants such change.
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