US
© Danfoss | Climate Solutions | 2023.07
AQ450440479309en-US0201 | 11
4| Compressor assembly
After activating the spindle, generally fit the spindle protection cap again and tighten with 14-16 Nm
(10.3-11.8 lb-ft). This serves as a second sealing feature during operation.
Before opening or closing the shut-off valve, release the valve spindle seal by approx.
1/4
of a turn
counter-clockwise.
After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise.
4.6 Operating the shut-off valves
Fig. 7
Fig. 8
Valve spindle seal
Release
Tighten
Pipe connection
Pipe connection
Fig. 9
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.
Fig. 10
Opening the service connection
Spindle: Turn
1/
2
- 1 turn to the right clockwise.
—> Service connection opened / shut-off valve opened.
Service connec-
tion closed
Connection
blocked
Spindle
Service connec-
tion opened
Spindle
Connection
open
Compressor
Compressor
4.7 Operating mode of the lockable service connections