Infrico EVV100 Manual De Instalación Y Funcionamiento página 39

in circuit.
Compressor starts and runs, but cycles
on overload
Compressor tries to
thermostat closes but cuts out on
overload, start after several attempts.
Compressor tries to
thermostat closes but cuts out on
overload, start after several attempts.
Compressor starts but immediately
cuts out on overload
Starting relay burns out.
Running capacitors burn out.
Head pressure to low
Head pressure to high
2.- Unit wired incorrectly.
3.- Starting capacitor seal.
4.- Running capacitor defective.
5.- Starting relay defective.
6.- High head pressure.
7.- Bearings of pistons tight-low oil charge.
1.- Low voltage.
2.- Running capacitor defective.
3.- Overload protector defective.
4.- High head pressure.
5.- Fan motor, pump, etc... , wire to wrong of overload protector.
1.- Low voltage.
start when 2.- Start capacitor defective.
3.- Overload protector defective.
4.- High head pressure.
5.- Fan motor, pump, etc... , wire to wrong of overload protector.
1.- Low voltage.
2.- Low on oil.
start when
3.- High head pressure.
4.- Starting relay points badly pitted.
5.- Starting capacitor weak.
6.- Air or non-condensable gases in system.
1.- Starting relay contacts points welded together.
2.- Starting capacitor defective.
3.- Compressor short cycles.
1.- Low voltage.
2.- High voltage.
3.- Compressors short cycles.
4.- Incorrect running capacitor.
5.- Incorrect relay.
1.- Line voltage too high.
1.- Insufficient refrigerant charge.
2.- Leak in the system.
3.- Cold location.
1.- Unit overcharged.
36