Danfoss MPE 70, Operating Manual

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Data sheet | MPE 70 Energy recovery device
29
180R9426 | AQ367027814446en-000801 | IOM MPE 70 | 08.2022
Technical specifications MPE 70
MPE 70 with
IEC motor
Weight (dry)
kg 114 151
lb 251 333
Weight (operation with water)
kg 119 156
lb 262 344
Noise
Sound pressure level L
PA
1 m
10)
dB(A) 85 85
Footprint
Footprint (vertical position)
11)
0.175
1.9
Torque data
Max. allowable working torque
Nm 15 15
lbf-ft 11 11
Max. starting torque (stick/slip)
Nm 90 90
lbf-ft 66 66
Motor data
Nominal speed rpm 970
Rated current at 400V A 5.7
Motor size kW 2.2 12)
Frame size
IEC 112
Poles 6
Rated motor torque at nominal speed
Nm 21.8
lbf-ft 16.07
Rated motor ambient temperature
12)
°C 40
°F 104
Motor insulation Class F/B
Motor degrees of protection IP 55
Motor efficiency % 84.3
Painting RAL9005 C3L
Variable Frequency Drive (VFD) data
13)
Must be able to operate at constant torque over the whole range of speeds.
Must be able to deliver start current of 23.5 A. For a Danfoss FC 51 micro drive a 7.5 kW drive is required to deliver
this current. If other drives are used make sure it can provide the start current required.
6)
Efficiency measured at 70 m
3
/h, balanced flow, 60
bar(g) on HP out. Power consumption of Motor
and Variable Frequency Drive included.
7)
Dependent on NaCI concentation.
8)
Please see section 7.5 filtration.
9)
Balanced flow: The mixing rate is defined at
balanced flow when HP-out is equal to LP-in.
10)
MPE 70 sound pressure level at 60 barg and max.
flow.
11)
Area recommended with IE3 motor
configurations (excl. of space to serviece MPE)
12)
For higher temperature contact Danfoss
13)
A special attention must be taken when selecting
the frequency drive. See Variable Frequency Data
comments in the table above.
1)
Max. allowable working pressure of continous
operation. For lower and higher pressure, please
contact Danfoss.
2)
Typical pressure level at start-up and permeate
flush.
3)
Intermittent pressure is acceptable for less than 10
minutes within a period of 6 hours.
4)
At system start-up: MPE 70 can run for up to 10 min.
with 150% of max. rated flow at LP inlet. The time
where max. rated flow is exceeded should be kept
as short as possible to minimize wear.
5)
Continuous operation: MPE 70 can operate
continuously with up to 10% over flush with the
limitation that the flow rate at LP inlet shall not
exceed 70 m
3
/h.