Operation outside the Danfoss specifications The APP pumps and pump units are manufac- requires a written approval from Danfoss tured by Danfoss A/S, and are sold and marketed High Pressure Pumps. by a net of authorized distributors world wide. •...
Operating guide Installation, Operation and Maintenance APP 11-13 1.3 Manufacturer and customer service Your local Danfoss pump distributor can be address found on our homepage. Danfoss A/S Data sheets and instructions on all accessories Danfoss High Pressure Pumps are available on www.ro-solutions.danfoss.com RO Solutions 1.3 Country specific information...
2.4 Adhere to the following important points 2.5 In case of doubt Please contact Danfoss A/S in case of doubt. • Before using the pump/pump unit it is very Contact information is listed in section 1.3, important to read and understand this user Manufacturer and customer service address.
2, Instruction. pump. Danfoss recommends not to build a filter bypass All air must be bleeded from both the low- function or to use filters with an integrated pressure and high-pressure side before the RO bypass.
Operating guide Installation, Operation and Maintenance APP 11-13 5.6 Pre mounting checklist, based on Danfoss preferred system design Table 1: Check points when assembling and commissioning system Check points Comment OK ? Ensure that the environmental conditions are safe. See Arrival inspection, transportation, handling, lifting and storage, chapter 4.
1 second and observe the direction of rotation either looking at the fan of the motor or Danfoss offers commissioning and service at the coupling through the inspection hole in the system manufacturer’s location. Rate quotes are bell housings (not available on all bell housings).
Instruction for recommended service intervals. High frequency tones – safety/relief valves Danfoss offers service of the pump at the system are either damaged or running very close manufacturer’s location as well as we offer to their design pressure, stop the unit training in how to service the pump.
3, Parts list. If the pump is going to be returned to Danfoss for repair or a warranty claim, it is important to contact Danfoss in order to receive a return number and a form to fill out with product information.
IATF 16949, ISO 9001, ISO 14001. to extremely low pressure pulsation. • Mobile systems for humanitarian and Application examples Danfoss APP pumps are built into a broad range military organizations of RO desalination plants around the world: • Onboard systems for ships and yachts •...
A-weighted sound pressure level at 1 m from the pump unit For lower and higher pressure, please contact Danfoss. surfaces (reference box) acc. to EN ISO 20361 section 6.2. Dependent on the NaCI concentration - see chapter 8.
See example below on how to mount the pump If alternative mounting is required. please and connect it to an electric motor or combus- contact your Danfoss sales representative for tion engine (special coupling). further information. Note: Do not add any axial or radial loads to the pump shaft.
(large flow, minimum pipe length, minimum number Since water has very low vicosity, Danfoss APP of bends/connections, and fittings with low pumps have been designed with very narrow or no pressure losses). If relevant, please clearances in order to control internal leakage consult “Parallel coupled pumps and...
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Installation, Operation and Maintenance APP 11-13 Data sheet High pressure safety or relief valve: As the Danfoss APP pump begins to create pressure and flow immediately after start-up and regardless of any counter pressure, a safey or pressure relief valve (8)
The examples of assemblies with motor are only for IEC motors and couplings. Please make sure to check required motor power and dimensions when selecting size of pump and motor. For ad- vice and calculation tool, please contact Danfoss. A mm B mm C mm...
Data sheet Pump shutdown: 13. Service Warranty The APP pumps are made of Duplex/Super Danfoss APP pumps are designed for long Duplex materials with excellent corrosion operation, low maintenance and reduced properties. It is, however, always recommended lifecycle costs. to flush the pump with freshwater when the system is shut down.
(6) is integrated in Place an inlet filter (1) in front of the APP the APP pump. pump (2). Please consult the Danfoss filter data sheet for guidance (521B1009) on how A non-return valve (7) in outlet can be to select the right filter.
APP 16 MADE IN DENMARK Code no. 180BXXXX Serial no. XXXXXXXX-XXX Danfoss A/S, 6430 Nordborg, Denmark 3.3 Orientation The pump can be mounted/orientated in any horizontal direction with the inlet and the outlet pointing upwards, downwards or to either side.
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(Min. +35.6°F to max. +122°F) pump with fresh water at operation stop in order to minimise the risk of crevice corrosion. In case of lower operating temperatures, please contact the Danfoss High Pressure Pumps. 80 º Duplex Super Duplex 316L...
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Store the pump dry without water inside. Service 6.1 Warranty Stand still Danfoss APP pumps are designed for long The APP pumps are made of Duplex/Super operation, low maintenance and reduced Duplex materials with excellent corrosion lifecycle costs.
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The recommendation is for guidance only. Design/features Danfoss APP pumps are designed for long operation and low maintenance and life cycle If the Danfoss recommendations concerning costs. system-design (see our data sheet) are not...
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1.4.2 Check if coupling is damaged. 1.4.3 Check that electric motor is sized correctly. 1.4.4 Check that the electrical installation is correctly sized. 1.4.5 Contact Danfoss Sales office for guidelines in how to troubleshoot internal pump parts. 1.5 Axial load on pump shaft 1.5.1 Ensure that the air gap between the two...
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Insufficient filtration means that too many or designed for seawater operation; for any too large hard particles can pass the main filter other fluid, please contact Danfoss High because it is damaged, bypassed or simply too Pressure Pumps sales office for further help.
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3.2.3 Systems with more than one electric motor installed: Start motors simultaneously. 3.3 Constant torque 3.3.1 Please contact Danfoss High Pressure If the electric motor is too small for the APP, APP S Pumps sales office. or APP S 674 pump, it cannot provide sufficient torque.
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4.6.2 If outlet pressure is lower than mentioned noise. Too low pressure also causes insufficient in the pump data sheet, please contact internal lubrication and wear on internal parts. Danfoss High Pressure Pumps technical Pump may eventually be damaged. support. 4.6.3 If outlet pressure has exceeded its...
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5.3 Hose stiffness 5.3.1 Use a more flexible hose. Danfoss can Too stiff hoses cannot dampen the small provide flexible hoses. Please contact pressure pulsations from the pump, and...