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Daikin RXYQ5PY1 Service Manual Page 35

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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SiEN34-705
Brazing
a) Brazing work should be carried out such that the final result is directed either downwards or
b) Liquid and gas pipe branches should always be dealt with in the specified way with attention
c) It is standard working practice to use the nitrogen replacement method when brazing.
Important points
1. Every effort must be made to avoid fire. (Clean area where brazing is to be performed and
2. Be careful of burns.
3. Make sure that the gap between the pipe and the joint is correct. (To prevent leaks)
4. Is the pipe adequately supported?
! As a rule the gaps between supports for horizontal piping (copper pipe) are as follows:
Copper pipe support spacing
Maximum gap (m)
! The copper pipe should not be secured directly by metal brackets.
General Information
sideways. An upward direction should be avoided wherever possible. (to prevent leakage)
Solder
Downward facing
being paid to the direction of the fitting and its angle. (to prevent oil return or drift)
For example see page 200.
make sure that fire fighting equipment and water are ready to hand.)
Nominal diameter
Recommended method
Burner
Side facing
(From HASS 107-1977)
20 or less
25~40
1.0
1.5
Installation
Upward facing
50
2.0
29

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  • GMacD Dec 22, 2015 11:58:
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