27
Post Installation Checklist
Items to be Checked
Possible Malfunction
Have the indoor and outdoor units been installed
firmly?
If the units are not installed firmly, they may drop,
shake, and/or make noise.
Have you performed the refrigerant leakage test?
Refrigerant leakage can cause insufficient cooling
and/or heating capacity.
Is the pipeline sufficiently insulated?
Improper insulation can cause condensation and
water dripping.
Does the water drain efficiently?
Inefficient water drainage can cause condensation
and water dripping.
Does the power supply match the electrical
requirements on the rating label?
An improper power supply can cause unit
malfunctions or parts damage.
Are the electric wiring and pipeline installed
correctly?
Improper installation can cause unit malfunctions
or parts damage.
Is the unit securely grounded?
Improper grounding can cause electric leakage and
poses a shock risk.
Does the power cord meet the specifications noted
on the rating label?
An unsuitable power cord can cause unit
malfunctions or parts damage.
Is the power supply cord properly rated for use with
this appliance?
An unsuitable power cord could cause appliance
malfunctions or parts damage.
Are there any objects obstructing the air inlet or air
outlet?
Air inlet or outlet obstruction can cause insufficient
cooling and/or heating capacity.
Is the unit free of any dust and debris that may
have accumulated during installation?
Dust and debris can cause unit malfunctions or
parts damage.
Have all valves been closed and tightened
properly?
Leaving these valves open could cause insufficient
cooling and/or heating capacity.
Have the inlet and outlet of the piping hole been
covered?
If the inlet and outlet of the piping hole are covered,
this could lead to insufficient cooling and / or
heating capacity, and a waste of electricity.
Is there anything obstructing the air inlet or air
outlet?
Air inlet or outlet obstruction could cause
insufficient cooling and/or heating capacity.