SiEN34-705 Points to Bear in Mind at the System Design
General Information 15
2.3 Striking a Balance between System Installation and
General Construction Work (Comprehensive Flow Chart)
Note: 1. The division of the work should be thoroughly clarified. (This applies particularly to work
relating to the connection of control wiring, fitting of remote control and central control panel,
boundary work on areas such as connection of drain piping and humidification supply piping,
inspection and foundation)
2. Keep a constant check on the progress of the construction work to avoid deviations from the
air conditioning work schedule.
3. For sleeve and insert work the positions of ceiling girders should be confirmed and sleeve
and insert requirement, hole diameters, positioning and numbers decided. This is particularly
important in the case of sleeves for drain piping.
Construction
work
Air conditioning
work
Determination of division of work
Settling operational details
Settling sleeve and insert work details
Fitting of steel sleeves
Molding box and
reinforcement work
Removal of molding boxes
Ceiling preparations
Building rooftop cinder concrete
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
Installation of outdoor unit
Air tight test
Vacuum drying
Fit decoration panels
Te s t r un
Transfer to customer with
explanation
Additional charge of refrigerant
Outdoor unit foundation work
Energization
Cleaning inside and outside
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