User Manual

96031-02.2015-DGbF

4| Compressor assembly

4.4 Flange shut-off valves (HP/LP)

ATTENTION! The compressor must be depressurised through connections A

  andBbeforecommencinganyworkandpriortoconnectingtothe

refrigerant system.

Fig. 11

Fig. 12

4.5 Operatingmodeofthelockableserviceconnections

Pipe connection

Opening the shut-off valve:

Spindle: turn to the left (counter-clockwise) as far as it will go.

—> Shut-off valve completely opened / service connection closed.

The connection which cannot be shut off is intended for safety devices.

Opening the service connection

Spindle: Turn ½ - 1 turn to the right clockwise.

—> Service connection opened / shut-off valve opened.

The connection which cannot be shut off is intended for safety devices.

Spindle

Connection cannot

be shut offConnection

blocked

Service connec

tion closed

Pipe connection

Spindle

Connection cannot

be shut offConnection

offen

Service connec

tion opened

Fig. 13

Fig. 14

Afteractivatingthespindle,generallytthespindleprotectioncapagainandtightenwith14-16Nm.

This serves as a second sealing feature during operation.