Part 3
2.2.3 Wiring confirmation
No.
inspection items
results
1
If outdoor power cable is fixed at correct position. And if the power cable
is in compliance with the requirement.
2
3
Check the indoor power wiring to prevent that one of indoors has already
powered down, all the other indoors and outdoors in one system are
normally running. Indoors in one system should adopt one power supply.
4
If the communication wire between outdoors complies with requirement,
and A, B, C must be corresponding, or the PCB will be damaged.
5
6
7
If indoor power cable is fixed at correct position. And if the power cable
is in compliance with the requirement.
If the communication wire between indoor and outdoor complies with
requirement, and the communication wires do not care the phase sequence,
but the shielded wire is needed. The shielded layer among indoors must
be continuous. The communication wire of the whole system must be
earthed at the farthest shielded wires of indoor and outdoor.
If the communication wire between indoor and wired controller complies
with requirement, and A, B, C must be corresponding, or the wired controller
will be abnormal.
The distance between high voltage and low voltage of the power cable
and the communication wire must be over 50mm. Or communciation failure
will occur.
2.2.4 System confirmation
liquid pipe diameter
standard addi ti onal
charging amount(kg/m)
every liquid pipe additional
charging am ount(kg)
total length of liquid pipe
(mm)
6.35
9.52
12.7
15.88
19.05
22.22
6.35
9.52
12.7
15.88
19.05
22.22
=
=
=
=
=
=
total additional charging
amount
- 102 -
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