Hitecsa ACVA STD 1001, Installation, Operation And Maintenance Instructions

Page: 8 / 21

ACVA - ACVBA
Installation, operation and maintenance instructions 8
BEFORE START UP
•
Check the following points:
o
Wires are well tightened.
o
Panels are firmly secured with screws.
o
There are no oil or refrigerant leaks.
o
The unit is correctly levelled.
o
There is enough space for service and maintenance.
o
Drainage is not blocked.
o
Crankcase heater has been working at least 24 hours prior to the start-up.
o
Air filters are clean and correctly mounted.
o
Grilles, air diffusers, air ducts and flexible connections are in good condition.
o
Electrical power source is in accordance with what is said in the nameplate.
o
Fans rotate in the right direction.
.
START UP
•
Start up should be performed by qualified technical people.
•
Use a start up check list: record inlet and outlet temperatures and pressures, outdoor air
temperature, volts and amps of each compressor and each fan motor, suction and
discharge pressure of each compressor.
•
Use a similar check list for service and maintenance works.
•
Remember that after 4 hours of operation, it is necessary to clean the filters.
•
Monitor at least 3 cooling cycle operations.
OPERATION LIMITS
COOLING MODE
TEMPERATURE MINIMUM MAXIMUM
Outdoor ambient 19ºC 46ºC
Indoor dry bulb 19ºC 32ºC
Indoor wet bulb 15ºC 23ºC
HEATING MODE
TEMPERATURE MINIMUM MAXIMUM
Indoor dry bulb 18ºC 26ºC
Outdoor wet bulb -7ºC 18ºC
*For temperatures of less than 19ºC it is necessary
to use the condensation control optional.
*