Operating The Shut-Off Valves; Operating Mode Of The Lockable Service Connections - Danfoss BOCK UL-HGX66e Operating Manual

4| Compressor assembly
4.7

Operating the shut-off valves

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.
Fig. 8
4.8

Operating mode of the lockable service connections

US
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.
Opening the service connection
Spindle: Turn
—> Service connection opened / shut-off valve opened.
After activating the spindle, generally fit the spindle protection cap again and tighten with 14-16 Nm
(10-12 lb-ft). This serves as a second sealing feature during operation.
12 | AQ450438640296en-US0301
Valve spindle seal
Service connection
closed
Spindle
Connection
blocked
Service connection
opened
Spindle
Connection
open
- 1 turn clockwise.
1 / 2
Release
Fig. 9
Pipe connection
Compressor
Pipe connection
Compressor
© Danfoss | Climate Solutions | 2024.04
of a turn
1 / 4
Tighten
Fig. 10
Fig. 11