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Installation 1
3.2
Work Involved in Individual Operations and Points to be Borne in Mind
3.2.1
Sleeve and Insert Work
Positioning of the
a) The through holes for the drain piping should be positioned such that the pipes have a downward
Pipe Holes
b) The diameter of the through holes for the refrigerant piping should include an allowance for the
c) Attention should be paid to the construction of the beam themselves since there are sometimes parts of
Example: Through holes in a reinforced concrete beam
Positioning the
a) An insert is a metal tool which is inserted into a floor or a beam before the concrete is set such that
Insert
Example: Steel insert
Important point:
1. The weight of the fitting to be suspended must be taken into account when choosing the insert.
12
Operational steps
Preliminary talks
with
construction
company
gradient. (The gradient must be at least 1/100. The thickness of the insulating materials must also be
taken into consideration.)
thickness of the heat insulation materials. (It is a good idea to think of the liquid and gas pipes as pairs.)
the beam which cannot be used to accommodate through holes.
fittings such as ducts, pipes or suspension bolts for hanging units can be fitted into place later. The
positions of the inserts must be decided early.
Determine
position, size and
number of units
required
PACD011001G2 / PACD011004G3
Carry out work
Check work
Urban Multi Inverter "MX1" Series
(V0957)
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