Related Manuals for Danfoss PAHT G 20
Summary of Contents for Danfoss PAHT G 20
- Page 1 Operation guide PAHT G pumps PAHT G 20/25/32 and PAHT G 50/63/70/80/90 Operation, Installation and Maintenance Manual 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com...
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Page 2: Table Of Contents
Local regulations...............10 Pre mounting checklist, based on Danfoss preferred system designs ....11 Lifting and positioning . - Page 3 Appendices Pump instruction PAHT G 20-32 and PAHT G 50-90 (AN077186502937en-000401) ..43 Electric motor manual (180R9230) ............55 Parts list PAHT G (AX319828953697en-000601) .
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Page 4: Validity
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps This manual is valid for PAHT G pumps both not In case the pump delivered is ATEX certified, the Validity ATEX certified versions. ATEX certified pumps additional ATEX instruction must also be read. -
Page 5: Introduction
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Introduction General The PAHT G pumps and pump units are manufac- It is important that these instructions are tured by Danfoss A/S, and are sold and marketed always available to the personnel concerned. -
Page 6: Manufacturer And Customer Service Address
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps • Do not try to lift the pump unit manually; It is always the system builders´ responsibility most of the pumps weigh more than that the system design does not cause any kind... -
Page 8: Filtration
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 3.8 Properties of water It is recommended NOT to use the pump for other media than speci ed in the Data sheet. 3.7 Filtration (10µm absolute [β ≥ 5000]) Requirements are speci ed in appendix 1, Data sheet and appendix 2, Instruction. -
Page 9: Return To Supplier
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 Designs
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 5.6 Pre mounting checklist, based on Danfoss preferred system designs Table 1: Check points when assembling and commissioning system Check points Comment OK ? Ensure that the environmental conditions are safe. -
Page 12: Ensure Free Ow
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 5.12 Ensure free ow Ensure free ow from relief valve (table 1, item • Start high-pressure pump for 2 minutes, to 5.6, CP 8). A blocked relief valve can cause make sure all air is out of the system. -
Page 13: Operation Of Motor Pump Unit
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Operation of motor pump. The pump must be stopped pump unit immediately and inspected before it is 6.1 General safety information Before inspecting the pump unit, read the Safety restarted. -
Page 14: Disassembling And Assembling The Pump Unit
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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. -
Page 15: Troubleshooting And Scrapping Criteria
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Troubleshooting and Electrical scrapping criteria hazard 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 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 16 | 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05...
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Page 17: Appendices
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Operation guide Appendices PAHT G 20-90 Installation, Operation and Maintenance Manual hpp.danfoss.com © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 17... - Page 18 Table of Contents Pump instruction PAHT G 20-32 and PAHT G 50-90 (AN077186502937en-000401) ..43 Electric motor manual (180R9230) ............55 Parts list PAHT G (AX319828953697en-000601) .
- Page 19 Data sheet PAHT G pumps PAHT G 2.0 - PAHT G 308 ATEX PAHT G 2.0 - PAHT G 308 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com...
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Page 20: Introduction
PAHT G 20-32 LP typical ow curves at max pressure ....... -
Page 21: Bene Ts
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Below sectional drawing is an example of a PAHT G pump. 1: Mounting ange 2: Shaft seal 3: Connecting ange 4: Port plate 5: Valve plate 6: Retainer plate... -
Page 22: Technical Data
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Technical data PAHT G 2-12.5 Pump size 12.5 180B1003 180B1004 180B1005 180B1006 180B1007 180B1008 Code number PAHT G 180B6131 180B6177 180B6130 180B6129 180B6132 180B6133 Code number ATEX PAHT G... -
Page 23: Paht G 20-32 And Paht G 20-32 Lp
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 20-32 and PAHT G 20-32 LP Pump size 20 LP 25 LP 32 LP 180B1009 180B1044 180B1010 180B1045 180B1011 180B1046 Code number PAHT G 180B6119 180B6120... -
Page 24: Paht G 50-90 And Paht G 70 Lp
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 50-90 and PAHT G 70 LP Pump size 70LP 180B1012 180B1013 180B1014 180B1017 180B1015 180B1016 Code number PAHT G 180B6185 180B6186 180B6187 180B6188 180B6189 Code number ATEX PAHT G... -
Page 25: Paht G 256-308
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 256-308 Pump size 180B6090 180B6091 Code number PAHT G 180B6190 180B6191 Code number ATEX PAHT G AISI 316 or higher AISI 316 or higher Housing material cm³/rev... -
Page 26: Flow
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Flow The ow (Q ) at various pressure (p ) can be At zero pressure the true ow equals the calculated with the following equation: theoretical ow Q (th) –... -
Page 27: Paht G 10-12.5 Typical Ow Curves At Max Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 10-12.5 typical flow curves at max pressure l/min PAHT G 12.5 PAHT 12.5 PAHT G 10.0 PAHT 10.0 PAHT G 12.5 PAHT 12.5 PAHT 10.0 PAHT G 10.0 ©... -
Page 28: Paht G 20-32 Typical Ow Curves At Max Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 20-32 typical flow curves at max pressure l/min PAHT G 32 PAHT 32 PAHT G 25 PAHT 25 PAHT G 20 PAHT 20 PAHT 32 PAHT G 32... -
Page 29: Paht G 50-90 Typical Ow Curves At Max Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 20-32 LP typical flow curves at max pressure l/min PAHT G 32 LP PAHT G 25 LP PAHT G 20 LP 1200 1450 1700 1950 2200... -
Page 30: Paht G 70 Lp Typical Ow Curves At Max Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 50-90 typical flow curves at max pressure l/min PAHT 90 PAHT G 90 PAHT 80 PAHT G 80 PAHT G 70 PAHT 70 PAHT G 63... -
Page 31: Paht G 256-308 Typical Ow Curves At Max Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 70 LP typical flow curves at max pressure l/min PAHT 70 LP 1200 1450 1700 1800 PAHT 70 LP 1200 1450 1700 1800 © Danfoss | 2024.05... - Page 32 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 256-308 typical flow curves at max pressure l/min PAHT G 308 PAHT 308 PAHT G 256 PAHT 256 PAHT G 308 PAHT 308 PAHT G 256...
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Page 33: Motor Requirements
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Motor The required motor power can be calculated by 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 34: Installation
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps See the figure below for instructions on how to Installation mount the pump and connect it to an electric motor or combustion engine. A: Pump B: Bell housing... -
Page 35: Open-System Design
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps inlet temperature is higher than the set 7.3 Open-system design value. Inlet line: Hoses: Dimension the inlet line to obtain minimum Always use exible hoses (5) to minimize pressure loss (large ow, minimum pipe vibrations and noise. -
Page 36: Closed-System Design (Not Applicable For Paht G 256-308)
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Closed-system design (not applicable Hoses: Always use exible hoses (6) to minimize for PAHT G 256-308) vibrations and noise. Inlet line: Inlet pressure: Dimension the inlet line to obtain minimum... -
Page 37: Paht G 2-6.3
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Dimensions and PAHT G 2-6.3 connections © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 37... -
Page 38: Paht G 10-12.5
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 10-12.5 38 | 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05... - Page 39 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 20-32 © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 39...
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Page 40: Paht G 50-90
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 50-90 40 | 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05... -
Page 41: Paht G 256-308
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 256-308 © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 41... -
Page 42: Service
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Service Danfoss PAHT G pumps are designed for long We recommend that you inspect your pump periods of service-free operation to ensure low after 8,000 hours of operation even if it is running maintenance and life cycle costs. - Page 43 Instruction PAHT G pumps PAHT G 20/25/32 and PAHT G 50/63/70/80/90 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com...
- Page 44 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Table of Contents Identi cation ................45 System design .
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Page 45: Identi Cation
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Identification PAHT G Protective cap must be removed and thrown away before usage. System design Systems can be either: If it is unknown what the peak inlet pressure can be, then there should be a 15 barg (218 psig) •... -
Page 46: Open-Ended Systems, Water Supply From Tank
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Open-ended systems, water supply Monitoring pressure switch: from tank Install the monitoring pressure switch (3) (The numbers 1-3 refer to the drawing below ). between the lter and the pump inlet. Set... - Page 47 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps SYSTEM General guidelines for calculation of pressure losses In smooth pipes and hoses In 90° bends © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 47...
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Page 48: Guidelines For Calculation Of Pressure Losses
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 2.4 General comments on Pump suction line should be placed relatively Filtration A good ltration is vital to ensure a long and high above the tank bottom in order to prevent trouble free life of the pump. -
Page 49: Direction Of Rotation
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps The direction of rotation is indicated by means of Direction of rotation an arrow at the label of the pump. CCW (counter clock wise) CW (clock wise) Orientation... -
Page 50: Connections
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 3.5 Connections 3.5.1 PAHT G 20-32 Inlet Drain (vertically mount) Outlet Bleeding * There are two 1/4” ports on the inlet side for XI Gauge port inlet* optional mounting of ie switches for low pressure XO Gauge port oulet* and temperature. -
Page 51: Initial Start-Up
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps PAHT G 50/63/70/80/90 Outlet (O) Inlet (I) Bleeding (C) Gauge 1/4” ports 1” BSPP with 1 ½” BSPP with M6 (width 1/4” BSPP with Thread, ISO 24 mm long thread... -
Page 52: Dry Running
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps back to tank through the pressure relief Dry running When running, the pump must always be valve or the bypass valve. connected to the water supply in order to avoid Empty the tank of the anti-freeze damage if it should run dry. -
Page 53: Recommended Service Intervals
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps If there are any wear marks on the parts they General information Recommended This guideline provides information on the need to be replaced. service intervals recommended service intervals for the PAHT/ If service inspection due to the application is PAHT G pumps. - Page 54 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 54 | 180R9378_AQ146186503066en-001102 180R9381 _ AN077186502937en-000402 © Danfoss | DCS-SFDPT/SI | 2024.05...
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Page 55: Electric Motor Manual (180R9230)
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Electric Motors Motor Manual hoyermotors.com M a n u a l © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 55... - Page 56 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 57 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 58 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Connection diagram Anschlußdiagram Anslutningdiagramm Forbindelsesdiagram Aansluitdiagram Connection Conexión Collegamento Schemat polacsen 58 | 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05...
- Page 59 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 59...
- Page 60 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 61 Parts list PAHT G pumps PAHT G 2/3.2/6.3 - PAHT G10/12.5 - PAHT G 20/25/32 - PAHT G 50/63/70/80/90 - PAHT G 256/308 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com...
- Page 62 Exploded view for PAHT G 20-32........
- Page 63 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps This parts list provides an overview of the content of the various service sets as well as exploded views General for both non ATEX and ATEX certi ed pumps.
- Page 64 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 10. Spare parts list for PAHT G 20-32 Pos. Qnt. Designation Material 1 Shaft bush, torpedo 1 Press tool 1 1 Press tool 1 1 Housing AISI 316 2 Pin Ø4 x 14...
- Page 65 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Exploded view for PAHT G 20-32 © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 65...
- Page 66 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 12. Spare parts list for PAHT G 50-90 Pos. Qnt. Designation Material Shaft bush, torpedo 1 Press tool 1 1 Press tool 2 1 Housing AISI 316 2 Pin ø4 x 14...
- Page 67 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 13. Exploded view for PAHT G 50-90 © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 67...
- Page 68 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Tool set for PAHT G 256-308 Designation Allen key, 6 mm Adjustable pin wrench Combination wrench, 10 mm Combination wrench, 13 mm Nut, M8 x 6.5 x 13 Guide bolt, M8 x 140 Shaft seal extractor, Ø45...
- Page 69 Guide line. PAH / PAHT / PAHT C / PAHT G pumps Trouble shooting guide 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com...
- Page 70 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Table of Contents Table of Contents Trouble shooting sh bone chart ............71 No ow/no pressure.
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Page 71: Trouble Shooting Sh Bone Chart
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Trouble shooting sh bone chart © Danfoss | 2024.05 180R9378_AQ146186503066en-001102 | 71... -
Page 72: No Ow/No Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 73: Reduced Ow/Reduced Pressure
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 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 74: High Torque On Electric Motor
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 75: Noise From Pump
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 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 76: Noise From Installation
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 77: Typical Signs Of Wear
Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps 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 78: 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. 78 | 180R9378_AQ146186503066en-001102 ©... -
Page 79: Right And Wrong - Trouble Shooting Guide For Water Hydraulic Systems (180R9042)
Service guide. Right and wrong Trouble shooting guide for water hydraulic systems 180R9378_AQ146186503066en-001102 © Danfoss | 2024.05 hpp.danfoss.com... - Page 80 Pump location Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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...
- Page 81 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Installation Assembly of coupling Impurities Never use force when assembling the Chips or other impurities in the system The coupling must be easy and simple coupling parts, as this will damage the...
- Page 82 Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 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 83 Trouble shooting Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Open ended water systems No water supply Is the water supply ok? Is water supplied to the pump? Lower inlet Is water coming Is the electric motor of...
- Page 84 Trouble shooting Operation guide Installation, Operation and Maintenance Manual for PAHT G 20-90 pumps Closed water systems The system does not work Is there su cient water in the tank? Is the electric motor of Is the water in the tank...
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