8.Use of the adjustable low pressure control (if applicable)

Cut out = 5 psig; Cut in = 25 psig; Differential = 20 psig

It may need to adjust the setting in the field to get the right cycle time.

Fig. 2.3 Adjustable Pressure Control

9. Condensing Unit Troubleshooting

Unit not running

a.

Incorrect power supply

a.

Check for proper voltage

b.

Incorrect or loose wirings

b.

Check all wirings and connections

c.

Failed components

c.

Check start relay, start capacitor, overload

 

 

 

protector, compressor.

d.

Liquid refrigerant in the compressor

d.

Call service for OEM information

e.

Low pressure switch shutting down the system

e.

Check for system restriction or low

 

 

 

refrigerant

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Vinotemp VINO-1500SSW, WM-25SFCW, WM-15SFCW, VINO-2500SSW manual Use of the adjustable low pressure control if applicable