Commissioning And Maintenance; Inspection After Installation; Trial Run; Maintenance Requirement - Gree FP-22LM/D-K Owner's Manual

Vertical Exposed Fan Coil Unit

4 Commissioning and maintenance

4.1 Inspection after installation

Item
Is the main unit installed securely?
Is the leak test performed?
Is the unit insulted properly?
Does drainage go smoothly?
Does the power voltage comply with the
nameplate?
Are wiring and piping performed properly?
Is the unit grounded reliably?
Are the electric lines sized properly?
Is there foreign matter at the air inlet or
outlet?

4.2 Trial run

(1) Preparation before trial run
y Do not power the unit on until all installation has been finished.
y Control and power lines are connected correctly and tightly.
y All cut-off valves should be opened.
y All odds and ends should be removed .
(2) Trial run method
y Power on it and press the ON/OFF button.
y Press the "Mode" button to select the desired running mode, cooling, heating or supply. Then,
observe it to see if it can work normally.

4.3 Maintenance requirement

(1) Unplug the unit before cleaning; otherwise it would lead to electric shock or injures.
(2) Do not rinse the unit with water; otherwise it would lead to electric shocks.
(3) The volatile liquid, like thinner or petrol, would damage the outer casing of the unit, therefore the outer
casing should be cleaned with the soft dry cloth or wet cloth with neutral detergent.
(4) Do not open the filter of the unit except the qualified servicemen.
Possible consequence
The unit may fall down, vibrate or
generate noise.
The unit fails to work normally.
It may generate condensate and water
drops.
It may generate condensate and water
drops.
Errors may rise or some component may
be damaged.
Errors may rise or some component may
be damaged.
It would lead to electric leak.
Errors may rise or some component may
be damaged.
It would lead to poor cooling capacity.
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Inspection