9
English
c) Able to understand and to apply in
practice the requirements in the
national legislation, regulations
and Standards; and,
d) Continuously undergo regular and
further training to maintain this
expertise.
e) Air-conditioner piping in the
occupied space shall be installed
in such a way to protect against
accidental damage in operation
and service.
f) Precautions shall be taken to avoid
excessive vibration or pulsation to
refrigerating piping.
g) Ensure protection devices,
refrigerating piping and
fi
ttings are
well protected against adverse
environmental effects (such as
the danger of water collecting
and freezing in relief pipes or the
accumulation of dirt and debris).
h) Expansion and contraction of
long runs piping in refrigerating
systems shall be designed and
installed securely (mounted
and guarded) to minimize the
likelihood hydraulic shock
damaging the system.
i) Protect the refrigerating system
from accidental rupture due to
moving furniture or reconstruction
activities.
j) To ensure no leaking,
fi
eld-made
refrigerant joints indoors shall be
tightness tested. The test method
shall have a sensitivity of 5 grams
per year of refrigerant or better
under a pressure of at least 0.25
times the maximum allowable
pressure (>1.04 MPa, max
4.15 MPa). No leak shall be
detected.
1. Installation (Space)
• Product with
fl
ammable refrigerants,
shall be installed according to
the minimum room area, Amin
(m²) mentioned in Table A of the
Installation Instructions.
• In case of
fi
eld charge, the effect
on refrigerant charge caused by
the different pipe length has to be
quanti
fi
ed, measured and labelled.
• Must ensure the installation of pipe-
work shall be kept to a minimum.
Avoid use dented pipe and do not
allow acute bending.
• Must ensure that pipe-work shall be
protected from physical damage.
• Must comply with national gas
regulations, state municipal rules and
legislation. Notify relevant authorities
in accordance with all applicable
regulations.
• Must ensure mechanical connections
be accessible for maintenance
purposes.
• In cases that require mechanical
ventilation, ventilation openings shall
be kept clear of obstruction.
• When disposal of the product, do
follow to the precautions in #12 and
comply with national regulations.
Always contact to local municipal
of
fi
ces for proper handling.
Safety precautions
Summary of Contents for CS-Z20VKEW
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