Instruction Manual

8
D
GB
F
E
96282-02.2015-DGbFEI
Evaporation temperature (°C)
Condensing temperature (°C)
Suction gas superheat (K)
R744
3| Areas of application
The compressors are lled at the factory with the following oil type:
GEA Bock C 85 E (only this oils may be used)
3.1 Refrigerants
• CO
2
: R744
3.2 Oil charge
Fig. 5
Maximum admissible
operating pressure (g)
(LP/HP)
1)
: 40/55 ba
r
1)
LP = Low pressure
HP = High pressure
Unlimited
application range
max. oil level
min. oil level
Fig. 4
ATTENTION The oil level must be in the
visible part of the sight
glass; damage to the com-
pressor is possible if over-
filled or underfilled!
∆t
0h
= 10 K
ATTENTION Compressor operation is possible within the operating limits
showninthediagrams.Pleasenotethesignicance
of the shaded areas. Thresholds should not be selected as
design or continuous operation points.
- Max. permissible discharge end temperature 160°C.
- Max. permissible ambient temperature -30°C - +60°C
-Max.permissibleswitchingfrequency12x/h.
- A minimum running time of 3 min. steady-state condition
(continuous operation) must be achieved.
Foroperationwithfrequencyconverter:
- The maximum current and power consumption must not be
exceeded.Inthecaseofoperationabovethemainsfrequency,
the application limit can therefore be limited.
3.3 Limits of application