Related Manuals for Danfoss PAH 20
Summary of Contents for Danfoss PAH 20
- Page 1 Operating guide PAH pumps PAH 20/25/32/50/63/70/80/100 Installation, Operation and Maintenance Manual 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com.
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Page 2: Table Of Contents
Local regulations...............10 Pre mounting checklist, based on Danfoss preferred system design ..... 11 Lifting and positioning . - Page 3 Parts list PAH 20-100 (AX322447810906en-000202)........
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Page 4: Validity
Validity and ATEX certi ed versions. additional ATEX instruction must also be read. ATEX certi ed pumps are indicated by Ex in the designation - example PAH 20 Ex. Non ATEX versions ATEX certi ed versions PAH 20 Code no. -
Page 5: Introduction
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps • If any changes are made without written Introduction General The PAH pumps and pump units are manufac- approval the warranty will automatically tured by Danfoss A/S, and are sold and marketed become void. -
Page 6: Manufacturer And Customer Service Address
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Web: hpp.danfoss.com 1.3 Manufacturer and customer service Your local Danfoss pump distributor can be address: found on our homepage. Danfoss A/S High Pressure Pumps 1.4 Country speci c information Nordborgvej 81, 1.4.1 United Kingdom... -
Page 7: Commissioning And Servicing The Unit
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps It is always the system builders´ responsibility • Do not try to lift the pump unit manually; that the system design does not cause any kind most of the pumps weigh more than... -
Page 8: Filtration
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps 3.7 Filtration 3.9 Air bubbles Large bubbles in a pressurised system can result (10µm absolute [β ≥ 5000]) Requirements are speci ed in appendix 1, Data in damage to piping, equipment and the pump. -
Page 9: Return To Supplier
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Pumps which have a weight above 20 kilos (see Wrong lifting: appendix 1, Data sheet) must be handled by using lifting eyes and slings. When lifting the pump unit, one sling must be attached to the electric motor and one sling around the pump. -
Page 10: Installation And Commissioning
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Installation and commissioning 5.1 Important dimensions Physical dimensions and connections of the 5.3 Fluid temperature pump unit are described in appendix 1, Data Before start-up, the uid and pump housing sheet. -
Page 11: Pre Mounting Checklist, Based On Danfoss Preferred System Design
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps 5.6 Pre mounting checklist, based on Danfoss preferred system design Check points Comment OK ? Ensure that the environmental conditions are safe. See Arrival inspection, transportation, handling, lifting and storage, chapter 4. -
Page 12: Ensure Free Ow
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps 5.12 Ensure free ow Ensure free ow from relief valve (table 1, item 5.6, CP 8). A blocked relief valve can cause excessive build-up of pressure and thereby cause •... -
Page 13: Operation Of Motor Pump Unit
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Operation of motor pump unit 6.1 General safety information Before inspecting the pump unit, read the Safety restarted. Contact the maintenance chapter 2 in this user manual. department. Drop in ow and/or pressure – may indicate 6.2 What to listen and look for... - Page 14 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Slowly unscrew and remove the bolts and gaskets from the inlet/outlet hoses or pipes, be careful about jets of water. Be aware that the system can be pressurized. Attach the lifting equipment to the pump unit.
- Page 15 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Electrical Troubleshooting and hazard scrapping criteria 8.1 General safety information Before inspecting the pump unit, it is necessary 8.4 Electrical failure to read and understand this user manual, If the wiring of the electric motor is incorrect or especially the Safety chapter 2.
- Page 16 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps 16 | 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01...
- Page 17 Operation guide PAH 20-100 pumps Appendices for Operation, Installation and Maintenance Manual 180R9380 | AQ213286502970en-000801 hpp.danfoss.com © Danfoss | 2023.01...
- Page 18 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps 18 | 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01...
- Page 19 Data sheet PAH pumps PAH 2/4/6.3, PAH 10/12.5, PAH 20/25/32 and PAH 50/63/70/80/100 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com...
- Page 20 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet Contents Table of Contents Introduction ................20 Bene ts.
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Page 21: Bene Ts
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet Below sectional drawing is an example of a PAH pump. 1: Shaft sealing 2: Mounting ange/ housing with bearing 3: Retaining ring 4: Piston/shoe 5: Valve trust plate... -
Page 22: Pah 20-32
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet 4.2 PAH 20-32 Pump size 180B0079 180B0036 180B0037 Code number 180B6179 180B6136 180B6137 Code number ATEX AISI 304 AISI 304 AISI 304 Housing material cm³/rev Geometric displacement in³/rev... -
Page 23: Pah 50-100
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet 4.3 PAH 50-100 Pump size 180B0047 180B0040 180B0042 180B0041 180B0076 Code number 180B6147 180B6140 180B6142 180B6141 180B6176 Code number ATEX AISI 304 AISI 304 AISI 304 AISI 304... -
Page 24: Flow
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet The ow (Q ) at various pressure (p ) can be At zero pressure the true ow equals the Flow calculated with the following equation: theoretical ow Q (th) –... -
Page 25: Pah 50-100 Typical Ow Curves At Max Pressure
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet 5.4 PAH 50-100 typical ow curves at max pressure PAH 80 180,00 PAH 100 PAH 70 160,00 PAH 63 140,00 120,00 100,00 PAH 50 80,00 60,00 40,00... -
Page 26: Motor Requirements
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet The required motor power can be calculated by Motor requirements using the following equation: n x V x p 600.000 x η P: Power (kW) M: Torque (Nm) η: Mechanical e ciency... -
Page 27: Installation
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet See the gure below for instructions on how to motor or combustion engine. Installation mount the pump and connect it to an electric A: Flexible coupling B: Bell housing... -
Page 28: Open-System Design
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet inlet temperature is higher than the set 7.3 Open-system design value. Inlet line: Hoses: Dimension the inlet line to obtain mini- Always use exible hoses (5) to minimize mum pressure loss (large ow, minimum vibrations and noise. -
Page 29: Closed-System Design
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet Closed-system design Hoses: Always use exible hoses (6) to minimize vibrations and noise. Inlet line: Dimension the inlet line to obtain mini- Inlet pressure: mum pressure loss (large ow, minimum... -
Page 30: Dimensions And Connections
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet Dimensions and 8.3 PAH 20-25 connections 30 | 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01... -
Page 31: Pah 50-100
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Data sheet 8.4 PAH 50-100 © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 31... -
Page 32: Service
Operating guide Data sheet Installation, Operation and Maintenance Manual for PAH 20-100 pumps Danfoss PAH pumps are designed for long Other factors that a ect pump performance and Service periods of service-free operation to ensure low lifetime include: maintenance and life cycle costs. Provided that the pump is installed and operated according to •... - Page 33 Instruction PAH pumps PAH 20/25/32/50/63/70/80/ 100 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com...
- Page 34 Operating guide Instruction Installation, Operation and Maintenance Manual for PAH 20-100 pumps Contents Table of Contents Identi cation ................34 System design.
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Page 35: System Design
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Instruction System design Hoses: Always use exible hoses (6) to minimize 2.1 Closed-system design vibrations and noise. Inlet line: Inlet pressure: Dimension the inlet line to obtain mini- In order to eliminate the risk of cavitation... -
Page 36: Open-System Design
Operating guide Instruction Installation, Operation and Maintenance Manual for PAH 20-100 pumps inlet temperature is higher than the set 2.2 Open-system design value. Inlet line: Dimension the inlet line to obtain mini- mum pressure loss (large ow, minimum Hoses: pipe length, minimum number of bends/... -
Page 37: General Guidelines For Calculation Of Pressure Losses
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Instruction 2.3 General guidelines for calculation of pressure losses The suction conditions can be optimized according to below guidelines. In smooth pipes and hoses In 90° bends 2.4 General comments on... -
Page 38: Building Up The Pump Unit
Operating guide Instruction Installation, Operation and Maintenance Manual for PAH 20-100 pumps We recommend a separation (“wall”) to separate Monitoring the inlet from the outlet end of the tank. It is recommended to continuously monitor the following conditions: • Water level in the tank •... -
Page 39: Protection From Too High Pressures
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Instruction 3.4 Protection from too high pressures The pump should be protected against too high The opening characteristics of the valve must not pressure by means of a pressure relief valve or a... -
Page 40: Initial Start-Up
Operating guide Instruction Installation, Operation and Maintenance Manual for PAH 20-100 pumps Before start-up, loosen the top bleeding plug “C”. Initial start-up When water appears from the bleeding plug, retighten the plug. With its inlet line connected to the water supply or the tank, the pump is now started with open outlet port. -
Page 41: Open-Ended Systems With Water Supply From Tank
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Instruction 5.6.2 Open-ended systems with water supply 5.6.3 Open-ended systems with direct water from tank. supply. Empty the tank of water and empty the Disconnect the water supply to the pump. - Page 42 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Instruction 180R9002 | AN146186502873en-000601 © Danfoss | DCS-SGDPT/SI | 2023.01 42 | 180R9380 | AQ213286502970en-000801...
- Page 43 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Electric Motors Motor Manual hoyermotors.com M a n u a l © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 43...
- Page 44 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Motor Manual etc.) using suitable tools, never hit the drive components General with a hammer as this will cause damage to the bearing. This manual concerns the following types of standard...
- Page 45 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Motor Manual connections must be checked and tightened if necessary. The table values are based on an ambient temperature of Bearing size and type are specified on the rating plate. Motor 25°C.
- Page 46 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Connection diagram Anschlußdiagram Anslutningdiagramm Forbindelsesdiagram Aansluitdiagram Connection Conexión Collegamento Schemat polacsen 46 | 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01...
- Page 47 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 47...
- Page 48 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Hoyer Motors, Motor Manual, April 2019 Head Offices Branch Offices Denmark Germany Benelux Over Hadstenvej 42 · DK-8370 Hadsten Landsberger Straße 155 · 80687 München Vasteland 78 · 3011 BN, Rotterdam T +45 86 98 21 11 ·...
- Page 49 Parts list PAH pumps PAH 20/25/32/50/63/70/80/100 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com...
- Page 50 Exploded view for PAH 20/25/32........
- Page 51 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Parts list This parts list provides an overview of the General content of the various service sets as well as exploded views of the pumps. for PAH pumps both non ATEX and ATEX certifiec.
- Page 52 Operating guide Parts list Installation, Operation and Maintenance Manual for PAH 20-100 pumps Spare parts list for PAH 20/25/32 Pos. Qty. Designation Material Shaft bush, torpedo Press tool for 28 mm shaft Mounting screw Housing PAH 1.4301 1.4401 Plug 1.4301...
- Page 53 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Parts list Exploded view for PAH 20/25/32 © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 53...
- Page 54 Operating guide Parts list Installation, Operation and Maintenance Manual for PAH 20-100 pumps Spare parts list for PAH 50/63/70/80/100 Pos. Qnt. Designation Material Shaft bush, torpedo Press tool for 35 mm shaft Mounting screw Housing 1.4301 1.4401 Plug 1.4301 O-RING Swash plate 1.4057...
- Page 55 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Parts list Exploded view for PAH 50/63/70/80/100 © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 55...
- Page 56 Parts list Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps © Danfoss | DCS-SGDPT/SI | 2023.01 AX322447810906en-000202 56 | 180R9380 | AQ213286502970en-000801...
- Page 57 Guide line. PAH / PAHT / PAHT C / PAHT G / PAHT 674 / PAH F pumps Trouble shooting guide 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com...
- Page 58 Operating guide Guideline Installation, Operation and Maintenance Manual for PAH 20-100 pumps Table of Contents Table of Contents Trouble shooting sh bone chart ............61 No ow/no pressure.
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Page 59: Trouble Shooting Sh Bone Chart
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline Trouble shooting sh bone chart © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 59... -
Page 60: No Ow/No Pressure
Operating guide Guideline Installation, Operation and Maintenance Manual for PAH 20-100 pumps No ow/no pressure Cause Remedy Comments If no water comes out of the pump: Mount a low pressure switch in front of the 1.1 Dry running (no water supply to the pump) pump and check its set point/ function. -
Page 61: Reduced Ow/Reduced Pressure
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline Reduced ow/reduced pressure Cause Remedy Comments 2.1.1 Dismantle the pump. 2.1 Wear on pump Typical signs of wear: Large internal leakage due to: 2.1.2 Check valve plate. Polished surface all over the swash plate. -
Page 62: High Torque On Electric Motor
Operating guide Guideline Installation, Operation and Maintenance Manual for PAH 20-100 pumps High torque on electric motor Cause Remedy Comments 3.1.1 Check for blocked nozzles or a faulty Pressure changes due to ow restrictions. This 3.1 Too high outlet pressure from pump adjusted relief valve. -
Page 63: Noise From Pump
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline Noise from pump Cause Remedy Comments 4.1.1 Ensure that the entire inlet line is bled Small air bubbles will accumulate and create 4.1 Air in uid before starting up the system. -
Page 64: Noise From Installation
Operating guide Guideline Installation, Operation and Maintenance Manual for PAH 20-100 pumps Noise from installation Cause Remedy Comments 5.1.1 Use exible hoses at inlet/outlet connec- Non- exible connections mounted directly on 5.1 Inlet/outlet connections (hoses/pipes) tions. the frame will cause even small pressure pulsations from pump and create vibrations in the system/plant. -
Page 65: Typical Signs Of Wear
Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline Typical signs of wear 6.1 Valve plate Picture 1 A normally worn valve plate has no marks/scratches but only a slightly polished surface. No scratches or marks should be felt. The surface must be at and level. -
Page 66: Port Plate
To check this, please see item 6.1, picture 3. If the surface has any marks/scratches, it is worn/damaged and a new one is required. Please contact Danfoss High Pressure Pumps sales o ce for further infor- mation. 66 | 180R9380 | AQ213286502970en-000801... - Page 67 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline © Danfoss | 2023.01 180R9380 | AQ213286502970en-000801 | 67...
- Page 68 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Guideline © Danfoss | DCS-SGDPT/SI | 2023.01 68 | 180R9380 | AQ213286502970en-000801...
- Page 69 Service guide. Right and wrong Trouble shooting guide for water hydraulic systems 180R9380 | AQ213286502970en-000801 © Danfoss | 2023.01 hpp.danfoss.com...
- Page 70 Pump location Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Design Pump always to be placed below water Pump location above water surface surface level level will cause damage Choice of material Suction conditions Iron Rubber Copper...
- Page 71 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Installation Assembly of coupling Impurities Never use force when assembling the Prior to installation, burrs and chips and Chips or other impurities in the system The coupling must be easy and simple...
- Page 72 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Wiring Starting procedure Cleaning procedure 1. Fill cold water into the system via the return lter and Level indicator bleed the pump (Power Packs PPH 4 - 6.3 - 10 and 12.5 are self-bleeding) 2.
- Page 73 Trouble shooting Open ended water systems No water supply Is the water supply ok? Is water supplied to the pump? Is water coming Is the electric motor of Lower inlet Is the water in the tank out of the tap? the pump unit rotating? temperature or very hot? Ie above 50...
- Page 74 Operating guide Installation, Operation and Maintenance Manual for PAH 20-100 pumps Trouble shooting Closed water systems The system does not work Is there su cient water in the tank? Is the water in the Is the electric motor of tank very hot?