Laying Suction And Pressure Lines; Operating The Shut-Off Valves - Danfoss BOCK UL-HGX12 CO2 T Operating Manual

Reciprocating compressor

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4 | Compressor assembly

4.7 Laying suction and pressure lines

A rule of thumb: Always lay the first pipe section starting from the shut-off valve downwards and

parallel to the drive shaft.

Rigid fixed point

4.8 Operating the shut-off valves (example)

Before opening or closing the shut-off valve, release the valve spindle seal by approx.

counter-clockwise.

After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise.

Valve spindle seal

Fig. 10

Property damage possible.

Improperly installed pipes can cause cracks and tears which can

result in a loss of refrigerant.

Proper layout of the suction and pressure lines directly after

the compressor is integral to the smooth running and vibration

behaviour of the system.

As short as

possible

Tighten

Release

Fig. 11

AQ450438405295en-US0201 | 13

Fig. 9

1 /

of a turn

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