Data sheet Product type Validity Document information and copyright This manual is valid for iSave 50 -70 Installation, Operation and Maintenance Code No./Description Serial no. Manual. 180F7020 Danfoss can accept no responsibility for possible XXXXXX02-XXX iSave 50 without motor errors in the manual and instructions. Danfoss...
If the recommendations in the manual are not followed, Danfoss reserves the right to void the warranty. 2.6 Additional technical documents Below documents are not present in this Operating guide. Please contact Danfoss. Document name Content Service guide: 180R9387 Description of how to disassemble and assem-...
Data sheet Product type 3.4 Preferred system design Danfoss recommends building systems with a high degree of safety. Our preferred system design can be found in the data heet in appendix • It is always the system builders’ 10.1. responsibility that the system design does not cause any form of hazard and are adapted to local regulations.
2: Screw: torque 40 Nm 3: Torque see table below Thread size Torque (Nm) Details on how to install iSave 50/70 on Danfoss vertical and horizontal frame can be found in the Service guide 180R9387. 4.5 Storage When each iSave is tested before shipment in Danfoss recommends using DOWFROST from demineralized water.
According to PED 2014/68/ EU a risk assessment must be made to Filters can be purchased from Danfoss High identify and evaluate hazards which apply to his Pressure Pumps.
The iSave is connected to the electric motor by the bell housing and a exible coupling. If not using Danfoss base frame both the iSave and the motor must be supported Ccrrect piping alignment...
The space must be su cient enough to allow for maximum. safe lifting of the equipment, with no risk for personal injury and/or damage to the iSave. It is required to use a VFD. See Danfoss guide line 180R9372 “APP pumps and iSave overload 6.7 Drives protection”.
• Check high-pressure hoses for proper 7.2 Support assembly and inspect for external leakage Danfoss A/S o ers commissioning and service at for all connections. system manufacturer’s location. Rated quotes are o ered upon request. • At low pressure, start the iSave and check direction of rotation.
10.2. lubricate motor bearings. 8.2 Support Annually: Danfoss A/S o ers commissioning and service at the system manufacturer’s location. Tates/quotes are o ered upon request. Re-check bolts in the foundation and the baseplate of the iSave and tighten the 8.3 Maintenance schedule...
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50-70 with NEMA motor 30 HP on base frame vertical - back mounted ... . .41 iSave 50-70 with NEMA motor 30 HP on base frame horizontal ......42 Service.
The iSave is delivered with a 3.1 performance rotation speed to a required value. certi cate according to EN10204. 5.2 iSave 50 ow curves Flow curve iSave50® 2 bar 5 bar Motor speed [rpm] 5.3 iSave 70 ow curves...
Data sheet Product type 5.4 Torque curve for iSave 50 and iSave 70 Below curve illustrates typical values. Torque on iSave50 and iSave70 Starting torque delta-P: 5 bar delta-P: 4 bar delta-P: 3 bar delta-P: 2 bar delta-P: 1 bar Motor speed [rpm] 5.5 Mixing curve...
160000 Operation and mounting 7.2 Horizontal mount Installation The iSave 50 and iSave 70 can be mounted The iSave is delivered with a standard port horizontally and vertically. When mounted orientation. The port orientation can be changed vertically, the electric motor must be placed at...
Danfoss High Pressure Pumps recommends nominal, using melt-blown depth lter with using cartridges with consistent, reliable good end sealings. Consult Danfoss for correct performance and high e ciency and where choice of lter. bres are blown continuously onto a central support core.
See instruction 180R9372 for guidance of VFD (13) used for iSave 21 and iSave 40. settings. (24) used for iSave 50 and iSave 70. G. LP discharge ow control: C. Piping and hoses: See “E”.
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In case the The iSave 50 and iSave 70 can be mounted in Danfoss check valves are not used, the valve parallel. For more information, please see must be placed between pump and check “Design Guide Parallel-coupled APP and iSave”...
9.2 Operational conditions of concern 9.4 Repair assistance Particular attention should be paid to the following factors to avoid increased wear and In case of irregular function of the Danfoss RO spare parts costs: components, please contact Danfoss High Pressure Pumps.
Product type Below procedures are general guidelines for the Prior to start-up start-up and shut-down functions of SWRO-sy- stems with the Danfoss iSave Energy Recovery High quality water extends the service life of the Device. whole system. Procedure details may di er depending on the Both the APP pump and iSave are sensitive to system design.
There are in principle two ways to start multi supply pump (A). ple iSaves: - Slowly ramp up all the iSaves at the same 10. For iSave 50 and iSave 70: time. Check the low pressure ow rates (12), and if - Slowly ramp up one by one.
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Product type Below procedures are general guidelines for Membrane cleaning the membrane cleaning of SWRO-systems with the Danfoss iSave. Procedure details may di er The procedures below are based on Dow’s depending on the system design. Cleaning and Sanitization: Cleaning steps The numbers marked in () refer to the described in Dow’s Form No.
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It also torque at maximum pressure. This choice shows how to program the Danfoss VLT FC 202 may not give the possibility to detect ad- and FC 302 in connection with the APP pump ditional critical torque caused by wear of and iSave.
Set in sec. (See chapter 5.3) Parameter 1-72 “Start function” Set to 0. (DC hold/delay/time) Parameter 2-00 “DC hold current” Set in % (please contact Danfoss or see chapter 5.2 for iSave) Parameter 3-02 “Minimum reference” Set to 0 Parameter 3-03 “Maximum reference”...
Below is two examples of how to calculate the Examples of VLT torque limit settings for an APP pump. overload limit settings All calculations are made in the Danfoss HPP calculation tool (please contact Danfoss HPP for help). Example 1:...
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Correct hose installation is essential for safe and Hose routing tips: satisfactory performance. The size of the hoses Danfoss recommends installing hose whip impacts the installation recommendations. This restraints whenever your pressurized hose manual has therefore been split in recommenda- assemblies are in proximity to personnel or tion for hoses up to 2”...
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Data sheet Product type Whenever possible, high pressure hoses should Danfoss 3” HP hoses are nylon reinforced; when Hoses larger than 2” always be connected directly to Danfoss pro- using hoses that are not steel reinforced the vided adapters and check valves. Elbows and...