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IOM_ACVBA-ACVA_351a2402_207958_180109_EN
ACVBA-ACVA
PACKAGED VERTICAL COMPACT UNITS
AIR-AIR
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 levelled.
Check if there is enough space for operation and maintenance.
Before opening the electrical panel and having access to the inside of the machine it is MANDATORY to
disconnect the power supply hose 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 be as indicated on the serial plate. Damage caused by the start-up of the unit
in an
incorrect voltage line is 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 elements in accordance with current legislation.
Wiring of electrical connections must be protected by a tube or other cable conduits.
Make sure if the crankcase heater of each compressor has been operating during 24 hours prior the Start Up.
Check that he air filters are clean and correctly fitted.
Check the condition and placement of grilles, diffusers, air ducts, etc.
START UP
It is necessary to take notes of the air inlet and outlet temperatures to the internal coil, the volts and amps of the
compressor and motor fan, as well as the suction and discharge pressure of each compressor.
Mind to remember that it is necessary to clean the air filters after the first 4 hours of operation.
Proceed to at least 3 cooling cycle operations.
Since the unit is equipped with frequency converters, it is essential that the protection should be at least 300mA
to prevent power cuts caused by the activation of the circuit breaker.
OPERATING LIMITS
* For temperatures below 19ºC it is necessary to use the condensation control (available as an option).
Units can operate at a maximum altitude of 1500 metres above mean sea level with a loss of performance of less than 3%.
Cooling cycle
Heating cycle
Outdoor air
Dry bulb
Indoor air
Dry bulb
Indoor air
Humid bulb
Indoor air
Dry bulb
Outdoor air
Humid bulb
Input
temperature
Minimum (°C)
19*
19
15
18
-7
Maximum (°C)
46
32
23
26
18
