Areas Of Application F-Nh; Oil Charge Nh; Operating Limits Nh - GEA F Series Assembly Instructions Manual

4| Areas of application F-NH

4.1 Oil charge NH

The compressors are filled with the following oil type at the factory:
Nh3
- for R717:
NH
3

4.2 Operating limits NH

t (°C)
c
60
55
50
40
30
20
10
0
-40
Fig. 10
Permissible rotation speeds:
F2 NH
F4 NH
F14 NH
Max. permissible operating
pressure (LP/HP)
1) LP = Low pressure
HP = High pressure
3
Fuchs Reniso KC 68
3
NH
? t 5K
Oh
-30 -20 -10 0
, F3 NH : 960 - 1500 rpm
3 3
, F5 NH : 500 - 1500 rpm
3 3
, F16 NH : 700 - 1500 rpm
3 3
: 19/25 bar
1)
3
3
Evaporating temperature (°C)
Condensing temperature (°C)
Suction gas superheat (K)
t (°C)
10 20
15 o
Design for other
areas on request
Unlimited
application range
Supplementary cooling
necessary (e.g. water-cooled
cylinder covers)
D
GB
F
E
11