Tekno Point CNS-09, User And Installation Manual

Page: 56 / 112

52
Check according to the following requirement after finishing installation.
Items to be checked Possible malfunction
Has the unit been installed firmly? The unit may drop, shake or emit noise
.
Have you done the refrigerant leakage
test? It may cause in sufficient cooling (heating)
capacity.
Is heat insulation of pipeline sufficient? It may cause condensation and water dripping.
Is water drained well? It may cause condensation and water dripping.
Is the voltage of power supply according
to the voltage marked on the
nameplate?
It may cause malfunction or damaging the parts.
Is electric wiring and pipeline installed
correctly?
It may cause malfunction or damaging the parts.
Is the unit grounded securely? It may cause electric leakage.
Does the power cord follow the
specification?
It may cause malfunction or damaging the parts.
Is there any obstruction in the air inlet
and outlet? It may cause in sufficient cooling(heating)
capacity.
The dust and sundries caused during
installation are removed?
It may cause malfunction or damaging the parts.
The gas valve and liquid valve of
connection pipe are open completely? It may cause in sufficient cooling(heating)
capacity.
1. Preparation of test operation
● The client approves the air conditioner.
● Specify the important notes for air conditioner to the client.
2. Method of test operation
● Connect the power, press "ON/OFF" button on the remote controller to start operation.
● Press "MODE" button to select AUTO, COOL, DRY, FAN and HEAT to check whether
the operation is normal or not.
● If the ambient temperature is lower than 16°C, the air conditioner can’t start cooling.
Check after installation
Test operation