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24
Check after installation
Test Operation
1. Before test operation
(1)
Do not turn on power before installation is complete.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves on the connection pipes should be opened.
(4)
Debris and contaminants must be removed from the unit.
2. Test operation procedure
(1) Turn on power. Press ON/OFF button on the remote controller to start operation.
(2) Press MODE to select COOL, HEAT (not available on cooling only units), or FAN.
Make sure operation is normal.
Items to be checked
Possible malfunction
Make sure the unit is securely attached.
The unit shakes, makes noise, or falls out
of position.
Refrigerant leakage test.
Decreased cooling (heating) effect.
Make sure there is sufficient heat insulation.
Water condensation or leakage.
Make sure water is draining properly.
Water condensation or leakage.
Make sure the voltage agrees with the
specified voltage shown on the nameplate.
Incorrect voltage can cause electrical
malfunction or damage to parts.
Install electric wiring connections and piping
correctly and securely.
Incorrect installation can cause electrical
malfunction or damage to parts.
Connect the unit to a secure ground
connection.
Insecure ground connections can cause
electrical leakage.
Use the specified power cord.
Use of other than specified electric power
cords can cause malfunction or damage
the part.
Make sure the inlet and outlet have been
properly covered.
Check the length of the connection pipes
and refrigerant capacity.
The refrigerant capacity is not correct.
Inlets or outlets that have not been properly
covered can cause insufficient cooling
(heating) capacity.
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Installation and test operation checklist
01_EN_3V007382-3J.indd 24
01_EN_3V007382-3J.indd 24
8/18/2010 9:14:48 AM
8/18/2010 9:14:48 AM