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IOM_UMXCBA-UMXCA_801.1a4502.2_208027_200201_EN
UMXCBA/UMXCA
CONDENSER UNITS WITH
COMPRESSOR AND AXIAL FAN
OPERATION
BEFORE START-UP
Start-up has to be performed by a qualified service personnel in air conditioning.
Make sure that the panels are firmly secured with screws.
Check that there is no leakage of oil or refrigerant.
Ensure that the unit is evenly leveled.
Check if there is enough space for operation and maintenance.
Before opening the electrical panel and having access to the interior of the unit it is
COMPULSORY to disconnect the power supply cable of the machine which MUST BE FREE OF
VOLTAGE for this operation.
Check that the drainage is not blocked.
Always use the electrical diagram of the unit to make the connections.
Make sure that all electrical connections are properly tight.
The power supply of the unit must comply with the data stated on the serial plate. Damage caused by the
start-
up of the unit with an incorrect voltage line will not covered by Hitecsa’s warranty.
The unit must not be supplied with any other voltage than that indicated on the serial plate. The power supply
to the unit must be within 10% of the voltage indicated on the serial plate.
Check the correct rotation direction of the fans.
The installer must place line protection parts according to the current legislation.
The electrical wires must be protected by a tube or other cable conduits.
Make sure that the crankcase heater of each compressor has been operating for 24 hours prior the Start
Up.
Check that the air filters are clean and fitted correctly .
Check the condition and position of the grilles, diffusers, air ducts, tarpaulins, etc
…