Danfoss iSave 50, Operating Manual

Page: 27 / 92

Data sheet | iSave 50 and iSave 70
27
180R9357 | AQ265943679828en-00100
2
IOM iSave 50 - 70 | 0
3
.202
3
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)
Typical average flow at 60 barg and 3 barg
differential pressure
5)
Dependent on NaCI concentation.
6)
Please see section 7.4 filtration.
7)
Continuous operation: iSave 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.
8)
A-weighted sound pressure level at 1 m from the
pump unit surfaces (reference box) acc. to EN ISO
20361 section 6.2. The noise measurements are
performed acc. to EN ISO 3744:2010 on a motor-
pump-unit at max. pressure and rpm.
9)
Balanced flow: The mixing rate is defined at
balanced flow when HP-out is equal to LP-in.
10)
At system start-up: iSave 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.
Technical specifications
Media temperature
5)
o
C 2-35 2-35
o
F 36-95 36-95
Ambient temperature
o
C 0-50 0-50
o F 32-122 32-122
Filtration requirements (nominal) 6) 3 micron melt-blown
Salinity increase at membrane at 40% recovery rate at
balanced flow
9)
2-3%
Weight (dry)
kg 164 164
lb 362 362
Weight (operation with water)
kg 172 172
lb 379 379
Noise
Sound pressure level L
PA
1 m 8) dB(A) 83 86
Torque data
Max. allowable working torque
Nm 170 190
lbf-ft 125 140
Max. starting torque (stick/slip)
Nm 180 180
lbf-ft 132 132