Gree GMV-1015WM/G-U, Service Manual

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Gree GMV6 DC Inverter VRF Units Service Manual
15
3.1.3 Checking
Items not complying with installation specifications need to be recorded in time as analysis basis for
the test of the refrigerating system.
Checklist before commissioning
Checklist Before GMV6 Commissioning
Category No. Item Reference Value Qualified Inspector
Installation
drawings
1
Are the engineering design
drawings complete?
—
2
Is the project constructed according
to the design drawings?
—
Installation
environment
3
Is there any pollution source in the
outdoor unit installation
environment, and is the outdoor
unit installation location selected
correctly?
Refer to the outdoor unit
installation.
4
Is the outdoor unit foundation firm?
Do vibration reduction and
drainage meet the requirements?
Refer to the outdoor unit
installation.
5
Are the outdoor unit basic modules
installed at the same level?
Refer to the outdoor unit
installation.
6
Does the outdoor unit operate with
static pressure? Is the
corresponding static pressure set?
—
Refrigerating
system
7
Is the rated capacity of the internal
and external units of the cooling
system within 50%~135%?
50% to 135%
8
Is the fresh air unit access capacity
within 30%?
≤30%
9
Is GMV6 connected to outdoor
units in other series?
GMV6 cannot be connected
to outdoor units in other
series.
10
Does the drop between the indoor
and outdoor units meet the unit
design requirements?
≤1 00 m with the outdoor unit
up
≤110 m with the outdoor unit
down
11
Does the drop between indoor units
meet the unit design requirements?
≤ 30 m
12
Is the length of the pipe from the
outdoor unit to the farthest indoor
unit less than or equal to 200 m?
≤200m
13
Is the total length of the piping less
than 1000 m?
≤1000 m
14
Is the length of the outdoor unit to
the first branch joint greater than 90
m? If yes, is the pipe diameter
increased accordingly?
The pipe diameter needs to
be increased when the
length is greater than 90 m.
15
Is the distance between an indoor
unit and the nearest branch joint
greater than 15 m? If yes, is the
diameter of a liquid pipe whose
original diameter is less than or
equal to 6.35 mm, or the diameter
of a gas pipe whose original
diameter is less than or equal to
9.52 mm be increased?
≤15 m. When the length
exceeds 10 m, the diameter
of a liquid pipe whose
original diameter is less than
or equal to 6.35 mm, or the
diameter of a gas pipe
whose original diameter is
less than or equal to 9.52
mm needs to be increased.
16
The inclination of indoor and
outdoor branch joints should not
exceed the specified requirements.
Branch joints need to be
installed horizontally. Refer
to branch joint installation.