En
gl
is
h (
G
B)
12
6. Technical data
*
Applies to pump version F.
6.1 Ambient temperature
If the ambient temperature exceeds the above
temperature values or the pump is installed at an
altitude exceeding the above altitude values, the
motor must not be fully loaded due to the risk of
overheating. Overheating may result from excessive
ambient temperatures or the low density and
consequently low cooling effect of the air.
In such cases, it may be necessary to use a motor
with a higher rated output.
Fig. 3
Relationship between motor output (P2)
and ambient temperature/altitude
Example:
A pump with a 1.1 kW IE2 MG motor: If
this pump is installed 4750 m above sea level, the
motor must not be loaded more than 88 % of rated
output. At an ambient temperature of 75 °C, the
motor must not be loaded more that 78 % of rated
output. If the pump is installed 4750 m above sea
level at an ambient temperature of 75 °C, the motor
must not be loaded more than 88 %
×
78 % = 68.6 %
of rated output.
6.2 Maximum permissible operating
pressure and liquid temperature for the
shaft seal
Fig. 4
MTR 1s to 64
Pump type
CRK
MTR
Minimum liquid temperature [°C]
-10
-10
Maximum liquid temperature [°C]
+90
+90
(120*)
Maximum operating pressure [bar]
25
25
Enclosure class
IP55
IP55
Mo
to
r po
w
e
r
[kW
]
M
o
to
r make
M
o
to
r efficienc
y
class
M
ax.
amb
ien
t temperatu
re
at ful
l lo
ad
[°
C]
M
ax.
altitud
e
abo
ve sea
level [m]
Po
s. i
n
o
u
tp
ut
curve in
fi
g
.
0.06 - 0.18
Siemens
-
+40
1000
1
0.25 - 0.55
MG
-
+40
1000
1
0.75
MG
IE2
+60
3500
2
1.1 - 22
MG
IE2
+60
3500
2
30-45
Siemens
IE2
+55
2750
3
TM
04
4
914
22
09
TM
02
78
54
43
03
20 25 30 35 40 45 50 55 60 65 70 75
8
0
50
60
70
8
0
9
0
100
[%]
P2
1
2
3
t [°C]
1000
2250
3500
4750
m
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110
0
5
10
15
20
25
30
35
p [bar]
HUUE / HUUV
t [°C]
