9
D
GB
F
I
Tr
Ru
09705-01.2018-DGbFIT
rRu
3
|
Areas of application
Design for other ranges on request
Max. permissible
operating pressure high-
pressure side (HP): 28 bar
Unrestricted
application range
Unrestricted
application range
Reduced suction gas
temperature
Reduced suction gas
temperature
Evaporation temperature
(°C)
Evaporation temperature
(°C)
Condensing temperature
(°C)
Condensing temperature
(°C)
Suction gas superheat
(K)
Suction gas superheat
(K)
Suction gas temperature
(°C)
Suction gas temperature
(°C)
Fig. 4
Fig. 5
20
30
50
70
80
-20
-10
10
0
20
30
t (°C)
o
t (°C)
c
82
-30
40
60
90
t + 25 °C
oh
<
?
t
oh
20 K
R134a
20
30
50
-20
-10
10
0
20
t (°C)
o
t (°C)
c
61
-30
40
60
-25
<
?
t
oh
20 K
t + 25 °C
oh
R407C
3.4.1 Limits of application R134a (N and K versions)
3.4 N and K versions
Models available:
• FKX30/235 N
• FKX30/275 N
• FKX30/325 N
• FKX30/235 K
• FKX30/275 K
• FKX30/325 K
Permissible rotation speeds:
N-Design: 500 - 3000 ¹/
rpm
(max rotation speed 3500 rpm
)
K-Design: 500 - 3500 ¹/
rpm
3.4.2 Limits of application R407C (N and K versions)
Permissible rotation speeds:
N-Design: 500 - 2600 ¹/
rpm
K-Design: 500 - 3500 ¹/
rpm
Max. permissible
operating pressure high-
pressure side (HP): 28 bar
