Connection Of Oil Level Regulator - Danfoss BOCK HG44e Series Operating Manual

6| Commissioning
6.7 Avoiding slugging
ATTENTION Slugging can damage the compressor and cause refrigerant to
To prevent slugging:
The complete refrigeration system must be properly designed.
All components must be compatibly rated with each other with regard to output
(particularly the evaporator and expansion valves).
Suction gas superheat at the compressor input should be min. 7 - 10 K. (check the setting
of the expansion valve).
The system must reach a state of equilibrium.
Particularly in critical systems (e.g. several evaporator points), measures are recommended such
as replacement of liquid traps, solenoid valve in the liquid line, etc.
There should be no movement of coolant whatsoever while the compressor is at a standstill.
The use of a check valve is strongly recommended, especially for heat pump applications.
Otherwise there is a risk of back condensation, which can result in compressor damage.

6.8 Connection of oil level regulator

Oil level regulation systems have proven themselves with parallel circuits of several compressors.
The connection "0" is provided for installing an oil level regulator (see dimensions drawing). All
common oil level regulators from AC&R, ESK and Carly as well as the OM3 TraxOil oil level regulation
system from Alco can be connected directly without adapters (see Fig. 16). A sight glass on the oil
level regulator is not required.
Mechanical oil level regulator
at the "O" connection
© Danfoss | Climate Solutions | 2024.07
leak.
Fig. 16
M6 x 10
3 times each je 3 mal
47,6
3 hole connection diagramm for
3-Loch-Anschlussbild für ESK,
ESK, AC&R and CARLY
AC&R und CARLY
3 hole diagramm for TraxOil 3-Loch-Anschlussbild für TraxOil
AQ451925859810en-000301 | 27
D
GB
F
E