Laying Suction And Pressure Lines; Operating The Shut-Off Valves - Danfoss BOCK UL-HGX12e CO2 LT Operating Manual

4 | Compressor assembly

4.6 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.
D
US
As short as possible
4.7 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. 9
12 | AQ450435606290en-US0201
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
behavior of the system.
Rigid fixed
point
Tighten
Release
Fig. 10
© Danfoss | Climate Solutions | 2023.06
Fig. 8
1 /
of a turn
4