82 - AIR CONDITIONING (DESCRIPTION): DESCRIPTION AND OPERATION (page 12 of 12)

AIR CONDITIONING

15

DESCRIPTION AND OPERATION

Pressure switch nominal operating pressures

Switch

Description

Opening pressure,

bar (lbf/in

2

)

Closing pressure,

bar (lbf/in

2

)

Dual pressure
switch:

Compressor clutch:

Minimum limit

Maximum limit

1.2 (17), pressure

decreasing

30 (435), pressure

increasing

2.4 (35), pressure

increasing

21 (305), pressure

decreasing

Condenser fans speed

17 (247), pressure

decreasing

21 (305), pressure

increasing

Single pressure
switch:

Condenser fans control

13 (189), pressure

decreasing

17 (247), pressure

increasing