Daikin RXYQ5PY1 Service Manual: Work Involved In Individual Operations And Points To Be Borne In Mind; Sleeve And Insert Work

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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Work Involved in Individual Operations and Points to be
Borne in Mind
3.2.1 Sleeve and Insert Work
! Operational steps
Positioning of the
a) The through holes for the drain piping should be positioned such that the pipes have a
Pipe Holes
b) The diameter of the through holes for the refrigerant piping should include an allowance for
c) Attention should be paid to the construction of the beam themselves since there are
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
Example: Steel insert
Important point:
1. The weight of the fitting to be suspended must be taken into account when choosing the
Preliminary talks
downward gradient. (The gradient must be at least 1/100. The thickness of the insulating
materials must also be taken into consideration.)
the thickness of the heat insulation materials. (It is a good idea to think of the liquid and gas
pipes as pairs.)
sometimes parts of the beam which cannot be used to accommodate through holes.
such that 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.
position, size and
number of units
(at least 150mm)
Insert block
Suspension bolt
Molding box
Carry out work
Part of beam
wich must not be piersed
Nail securing
molding box
General Information
Check work


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