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10.2.1 Notice
(1) Before the test running, make sure the unit is power on and compressor has been preheated
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Start test operation after unit is normally preheated, otherwise compressor might be damaged.
(2)
Before the test running, make sure the needed amount of refrigerant has been added to the
pipe or at least 70% of the needed refrigerant has been added.
(3) During the test running, system will operate according to the ambient temperature.
1) When outdoor temperature is above 20℃, debugging shall be in cooling mode.
2) When outdoor temperature is below 20℃, debugging shall be in heating mode.
(4) The test run should be carried out by the professionally skilled personnel on the premise that
all items listed above are in normal conditions.
(5) Let the unit energized and switch the wired controller or the remoter controller to "ON".
(6)
The fan motor and compressor of the outdoor unit will run automatically in three minutes.
(7)
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10.2.2 Check after Installation
Please check the following items before test operation.
Items to be checked
Has it been fixed reliable?
Has the gas leakage been checked?
Is the thermal insulation of the unit
sufficient?
Is the drainage well?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
Are the lines and pipelines correctly
installed?
Has the unit been safely grounded?
Are the models of lines in conformity with
requirements?
Are there any obstacles near the air inlet
and outlet of the indoor and outdoor units?
Have the length of connection pipes and
refrigerant charge amount been recorded?
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Outdoor Temperature/℃
T>10
0<T<10
-10<T<0
T<-10
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The unit may drop, vibrate or make noise.
It may cause insufficient cooling(heating)
capacity.
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause electric malfunction or the
components may be burned out
It may cause electric malfunction or the
components may be burned out
It may cause electrical leakage.
It may cause electric malfunction or the
components may be burned out
It may cause insufficient cooling(heating)
capacity.
It is not easy to decide the charge amount of
refrigerant.
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N (hours)
N≥1
N≥2
N≥4
N≥8
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Possible malfunction
Ultra Heating GMV5 Multi VRF
for North America
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