4-­-5. T Est R Unning - Hisense AS-07UR4SYDDB15 Service Manual

4-­‐5. T est R unning
△ Check after Installation
Items to be checked
Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
Is water drainage satisfactory?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
Is the electric wiring and piping connection
installed correctly and securely?
Has the unit been connected to a secure earth
connection?
Is the power cord specified?
Are the inlet and outlet openings blocked?
Is the length of connection pipes and
refrigerant capacity been recorded?
△Operation Test
1. Before Operation Test
(1)Do not switch on power before installation is finished completely.
(2)Electric wiring must be connected correctly and securely.
(3)Cut-off valves of the connection pipes should be opened.
(4)All the impurities such as scraps and thrums must be cleared from the unit.
2. Operation Test Method
(1)Switch on power and press "ON/OFF" button on the remote controller to start the operation.
(2)Press MODE button to select the COOL, HEAT (Cooling only unit is not available), FAN to check
whether the operation is normal or not.
Possible malfunction
The unit may drop, shake or emit 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 damage the
product.
It may cause electric malfunction or damage the
part.
It may cause electrical leakage.
It may cause electric malfunction or damage the
part.
It may cause insufficient
cooling(heating)capacity.
The refrigerant capacity is not accurate.
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