YMGI WMMS-30CH-V2B(59)5, Руководство по обслуживанию, Страница: 48 / 81

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Post Installation Checklist
Check List Items Problems Caused by Improper Installation
Is the installation securely attached to
the base, bracket or pad? Failure to secure the unit can lead to the unit falling, vibrating or
making excessive noise.
Has the refrigerant lines been checked
for leaks? Failure to check for leakage will cause system cooling and heating
performance issues, and can lead to damage of components.
Are the refrigerant lines adequately
insulated? Failure to adequately insulate the refrigerant lines may cause
condensation and moisture.
Is drainage smooth and unobstructed? Improper drain installation can lead to freeze ups in the winter or
water dripping.
Is the power supply voltage match with
the rated voltage specified on the
nameplate? The unit may bread down or the components may be burned out
Are the wires and refrigerant lines correctly
installed? The unit may break down or the components may be burned out. Make
sure to not cross-pipe or cross-wire units.
Has the unit been safely grounded? Risk of electrical leakage or shock.
Are the electrical wires the correct wire size,
and are the refrigerant lines the correct size
for the system’s indoor unit models? Failure to use the correct wire gauges or refrigerant line sizes will lead to
component failure or system break down.
Are there any obstacles near the air inlet and
outlet of the indoor and outdoor units? If the units cannot circulate air appropriately, the unit will overheat, causing
component failure or system break down.
Have the length of refrigerating pipe and
refrigerant charge amount been recorded? Keeping an accurate record of the length of all of the refrigerant lines used
is the best way to make sure that your system has the correct refrigerant
charge. This makes leaks easier to detect, and makes sure any future
maintenance is done correctly.