Check Items After Installation; Debugging And Operation; Preparation Before Test Run - Gree GMV-224WM/G-U Owner's Manual

GMV DC Inverter VRF

3.10 Check Items after Installation

Check Items
Has the unit been fixed firmly?
Have you done the gas leakage test?
Dose the unit get proper thermal insulation?
Does the unit drain well?
Is the voltage in accordance with the rated voltage
specified on the nameplate?
Is the electric wiring and pipe connection installed
correctly and securely?
Has the unit been earthed securely?
Is the power cord specified?
Has the inlet and outlet been blocked?
Has the pipe length and refrigerant charging
amount been recorded?
Is the address code of outdoor modules correct?
Is the address code of indoor units and wired
controller correct?
Has the communication line been connected
correctly?
Is the pipe connection and valve status right?
Whether phase sequence of external power cord is
correct or not?
The above inspection items after installation are the inspection for some key components.
Please conduct the check according to actual needs.

4 Debugging and Operation

NOTICE!
(1) Do set one (only one) module as the main module during debugging.
(2) When there is no special requirement, the other functions do not need to be set, and it can
be operated according to the factory settings. For special functions, please refer to the
related technical documents.
(3) Button description: short press: press the button for 3s and then release it; hold the button
for 5s: press the button for 5-10s and then release it; hold the button for 10s: press the
button for 10s and then release it.

4.1 Preparation before Test Run

(1) Installation and debugging operation must comply with the relevant regulations of the local
country or region.
(2) Debugging must be carried out by a professional or under the guidance of a professional. Do
not debug the air conditioning unit by yourself.
(3) All scattered objects, especially metal chips, wire ends and clamps, should be removed from
the body.
(4) Check if the terminals of the electrical components in the unit are loose and the phase
sequence is correct.
(5) Before debugging, all pipeline valves of the unit are required to be open.
(6) Power cannot be supplied until all installation work is completed.
Conditions Might Happen
The unit may drop, shake or emit noise.
It may cause insufficient cooling/heating
capacity.
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause malfunction or damage the part.
It may cause malfunction or damage the part.
It may cause electrical leakage.
It may cause malfunction or damage the part.
It may cause insufficient cooling/heating
capacity.
The refrigerant charging amount is not
accurate.
The unit cannot run normally. Communication
malfunction might happen.
The unit cannot run normally. Communication
malfunction might happen.
The unit cannot run normally. Communication
malfunction might happen.
The unit cannot run normally.
Operation fault occurs or unit is damaged.
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