Heat pump 50Hz/R410A _ 4
2. Guideline for each installation process
Part 3 Design and installation
2.1.3 Sleeve type
Pipe
Sleeve
Insulation
Sleeve type should be considered as per local regulation & laws.
NOTE
Cable conduit should be considered under the local regulation & laws.
NOTE
1. In high voltage generation places, water-proof flexible conduit should be used. (in substation room, in elevator room)
2. Conduit should be chosen in accordance with electrical installation regulation.
CAUTION
2.1.4 Insert work and support work
An insert is a metal tool which is inserted into a floor or beam before the concrete is set such that fittings such as duct ,
pipes or suspension bolts for hanging units can be fitted into the place later. The positioning of the inserts must be decided
early.
1) Insert work
Example : Through holes in a reinforced concrete beam
Molding box
Embedding
depth h
Suspension bolt
Polyblock
Nail securing
molding box
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