Danfoss iSave 21, Руководство пользователя

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User manual iSave 21
9
180R9221 / 521B1174 / DKCFN.PS.003.A1.02
3.2 Intended use
The iSave is designed for use as energy recovery device in Sea Water Reverse Osmosis
(SWRO) or Brackish Water Reverse Osmosis (BWRO) system.
The iSave must not be used for other purposes than recommended and quoted for without
consulting your local iSave distributor.
3.3 Application range
The iSave should only be used within the following limits:
High-pressure inlet flow, maximum 21 m3/hr (92.4 gpm)
Low-pressure inlet flow, maximum 33 m3/hr (145 gpm)
High-pressure inlet pressure, maximum 83 Bar (1200 psig)
High-pressure inlet pressure, minimum 10 Bar (145 psig)
High-pressure inlet pressure, intermittent,
minimum
3 Bar (43.5 psig)
Low-pressure inlet pressure, maximum 10 Bar (145 psig)
Low-pressure outlet pressure, minimum 1 Bar (14.5 psig)
High-pressure outlet pressure, maximum 83 Bar (1200 psig)
Torque, maximum 36 Nm (26.5 lbf-ft)
Maximum speed 1500 rpm
Minimum speed 500 rpm
Filtration requirements (See section 5.8.1) 3 μm melt-blown
Maximum water temperature 50 C (122 F)
Asynchronous motor according to DIN-IEC and VDE 0530 standards.
Voltage and frequency according to IEC 38.
The motors are fitted with a rating plate in multi-tension:
380-420 V / 660-720 V, 50 Hz or 440-480 V, 60 Hz
Tolerance ± 5% according to VDE 0530
Insulation according to DIN-IEC 34 Class F
Ambient temperature 40°C, 1000m above
sea level
Class B
Degrees of protection, minimum IP55
Specific application limits are provided in the datasheet of the iSave. Application limits vary
from model to model.
Applications not suitable for the iSave can cause damages to the iSave unit, with risk of
personal injury.