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180R9289 | AQ109686503106en-001102

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Operation guide

PAHT pumps

PAHT 256-308

Operation, Installation and

Maintenance Manual

hpp.danfoss.com

Содержание PAHT 256-308

Страница 1: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Operation guide PAHT pumps PAHT 256 308 Operation Installation and Maintenance Manual hpp danfoss com...

Страница 2: ...8 3 9 Air bubbles 8 3 10 Chemicals 8 4 Arrival inspection transportation handling lifting and storage 8 4 1 Arrival inspection 8 4 2 Warning 8 4 3 General safety information 8 4 4 Transport and handli...

Страница 3: ...Getting the pump unit back into operation 14 7 8 Storage of the pump 14 8 Troubleshooting and scrapping criteria 15 8 1 General safety information 15 8 2 Operational conditions which can cause pump f...

Страница 4: ...l numbers Validity PAHT 256 Code no 180B1001 Serial no XXXXXX03 XXX PAHT 308 Code no 180B1002 Serial no XXXXXX03 XXX PUMP Type PAHT 256 Code no 180BXXXX Serial no XXXXXX03 XXX MADE IN DENMARK Danfoss...

Страница 5: ...unit mechanical and electrical parts Decommissioning the motor pump unit The pump must always be installed and used in accordance with existing national local sanitary safety regulations and laws It i...

Страница 6: ...h a Danger Hot sign When using an electric motor the motor must always be supplied with adequate cooling ventilation When using an electric motor together with a VFD Variable Frequency Drive the motor...

Страница 7: ...nded to have sufficient space available around the pump in order to ensure easy access Sufficient space means at least 1 meter 40 inches around the pump When working with high pressures it is importan...

Страница 8: ...that can result in damage to piping equipment and internal parts of the pump 4 Arrival inspection transportation handling lifting and storage 4 1 Arrival inspection The pump is packed in a cardboard o...

Страница 9: ...in personal injury and or damage to the pump unit see appendix 2 Instruction Once the lifting is done the lifting eye must be removed from the pump 4 5 Return to supplier Please see maintenance chapt...

Страница 10: ...r rust is not removed the pump and the valves can be damaged In worst case the pump can be damaged beyond repair 5 3 Fluid temperature Before start up the fluid and pump housing temperature must be wi...

Страница 11: ...1 Bar or more precise CP11 Check coupling distance air gab movement of the spider 3 5 mm CP12 Check correct connections on the pump in outlet CP13 Check piping for possible air gaps 5 7 Lifting and p...

Страница 12: ...alve to minimum setting Check rotation of the high pressure pump by description in 5 15 Start high pressure pump for 2 minutes to make sure all air is out of the system Adjust pressure relief valve to...

Страница 13: ...shooting If the pump is not stopped for inspection as recommended it can lead to damage of the pump or break down See also service and warranty section in appendix 1 Data sheet and appendix 2 Instruct...

Страница 14: ...ssembling and Assembling Instruction available at www danfoss high pressurepumps com Clean all the parts and surfaces with a fluid compatible with the materials found in the pump Wipe the parts clean...

Страница 15: ...falling If water is dripping into the electric motor it can cause electric shock fire short of circuit or even death When mounting the pump vertically always mount the motor above the pump to avoid w...

Страница 16: ...Danfoss DCS SGDPT SI 2023 01 16 180R9289 AQ109686503106en 001102 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps...

Страница 17: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Operation guide Appendices PAHT 256 308 Installation Operation and Maintenance Manual hpp danfoss com...

Страница 18: ...ontents 1 Data sheet PAHTG 2 308 pumps AI106586503085en 000901 19 2 Pump instruction PAHT 256 308 180R9257_AN228286503049en 000701 43 3 Electric motor manual 180R9230 51 4 Parts list PAHT AX3224458159...

Страница 19: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Data sheet PAHT pumps PAHT 2 6 3 PAHT 10 12 5 PAHT 20 25 PAHT 50 90 and PAHT 256 308 hpp danfoss com...

Страница 20: ...on 14 7 1 Filtration 14 7 2 Noise 14 7 3 Open system design 15 7 4 Closed system design 16 8 Dimensions and connections 17 8 1 PAHT 2 6 3 17 8 2 PAHT 10 12 5 18 8 3 PAHT 20 32 19 8 4 PAHT 50 90 20 8 5...

Страница 21: ...ombus tion engines Suitable for both boosted inlet pressure and water supply from a tank No need for cooling circuits due to very high mechanical efficiency Certified quality ISO 9001 ISO 14001 API av...

Страница 22: ...1000 1000 Max speed rpm 3000 3000 3000 3000 2400 2400 Typical flow Flow curves available in section 5 1000 rpm at max pressure l min 0 7 2 0 3 0 5 5 7 6 10 2 1500 rpm at max pressure l min 1 7 3 6 5 0...

Страница 23: ...2400 2400 2400 Typical flow Flow curves available in section 5 1000 rpm at max pressure l min 16 9 20 6 28 0 1500 rpm at max pressure l min 27 0 33 2 44 2 1200 rpm at max pressure gpm 5 4 6 7 9 0 1800...

Страница 24: ...00 1000 Max speed rpm 1800 1800 1800 1800 1800 Typical flow Flow curves available in section 5 1000 rpm at max pressure l min 43 7 50 5 57 7 68 3 77 6 1500 rpm at max pressure l min 68 7 82 1 92 9 108...

Страница 25: ...Max speed rpm 1250 1250 Typical flow Flow curves available in section 5 450 rpm at max pressure l min 89 6 107 8 1250 rpm at max pressure l min 294 4 354 2 450 rpm at max pressure gpm 23 3 28 0 1250 r...

Страница 26: ...Pressure barg psig V Displacement cm3 rev n Motor speed rpm 5 1 PAHT 2 6 3 typical flow curves at max pressure 20 18 16 14 12 10 8 6 4 2 0 rpm PAHT 2 0 PAHT 3 2 PAHT 4 0 PAHT 6 3 l min 1 0 0 0 1 2 5 0...

Страница 27: ...PAHT 12 5 PAHT 10 0 PAHT 12 5 l min gpm 1 0 0 0 1 2 0 0 1 4 0 0 1 6 5 0 1 8 0 0 2 2 0 0 2 0 0 0 2 4 0 0 rpm 1 0 0 0 1 2 0 0 1 4 0 0 1 6 5 0 1 8 0 0 2 2 0 0 2 0 0 0 2 4 0 0 8 7 6 5 4 3 2 1 0 30 25 20 1...

Страница 28: ...AHT 25 PAHT 32 PAHT 20 PAHT 25 PAHT 32 l min 25 20 15 10 5 gpm 7 0 0 9 5 0 1 2 0 0 1 4 5 0 1 9 5 0 1 7 0 0 2 2 0 0 2 4 0 0 0 rpm 7 0 0 9 5 0 1 2 0 0 1 4 5 0 1 9 5 0 1 7 0 0 2 2 0 0 2 4 0 0 80 70 60 50...

Страница 29: ...45 l min gpm 1 2 0 0 9 5 0 1 4 5 0 1 7 0 0 1 8 0 0 7 0 0 rpm PAHT 80 PAHT 50 PAHT 63 PAHT 70 PAHT 90 PAHT 80 PAHT 50 PAHT 63 PAHT 70 PAHT 90 1 2 0 0 9 5 0 1 4 5 0 1 7 0 0 1 8 0 0 7 0 0 rpm 160 140 120...

Страница 30: ...100 90 80 70 60 50 40 gpm 5 5 0 6 5 0 7 5 0 8 5 0 1 0 5 0 1 1 5 0 1 2 5 0 9 5 0 4 5 0 rpm PAHT 256 PAHT 308 PAHT 256 PAHT 308 5 5 0 6 5 0 7 5 0 8 5 0 1 0 5 0 1 1 5 0 1 2 5 0 9 5 0 4 5 0 rpm 400 350 30...

Страница 31: ...5 you can deter mine the rpm of the pump at the desired flow The required torque is calculated as follows V x p M 62 8 x To determine the correct motor size both the power and torque requirement must...

Страница 32: ...This means that out of 100 000 particles that enter such filters 50 000 particles pass right through them compare this to precision depth filters that are 99 98 efficient and only allow 20 of the sam...

Страница 33: ...emperature switch 4 between the filter and the pump on either side of the monitoring pressure switch Set the temperature value accord ing to technical data item 4 The monitor ing temperature switch st...

Страница 34: ...rature value according to technical data item 4 The monitoring temperature stops the pump if inlet temperature is higher than the set value E Hoses Always use flexible hoses 6 to minimize vibrations a...

Страница 35: ...180R9289 AQ109686503106en 001102 35 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 8 Dimensions and connections 8 1 PAHT 2 6 3 Data sheet...

Страница 36: ...36 180R9289 AQ109686503106en 001102 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 8 2 PAHT 10 12 5 Data sheet...

Страница 37: ...180R9289 AQ109686503106en 001102 37 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 8 3 PAHT 20 32 Data sheet...

Страница 38: ...38 180R9289 AQ109686503106en 001102 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 8 4 PAHT 50 90 Data sheet...

Страница 39: ...180R9289 AQ109686503106en 001102 39 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 8 5 PAHT 256 308 Data sheet...

Страница 40: ...ons concerning system design and operation are not followed In our experience poor filtration is the number one cause of pump damage Other factors that affect pump performance and lifetime include run...

Страница 41: ...180R9289 AQ109686503106en 001102 41 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps Data sheet...

Страница 42: ...Danfoss DCS SGDPT SI 2023 01 42 180R9289 AQ109686503106en 001102 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps Data sheet...

Страница 43: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Instruction PAHT pumps PAHT 256 PAHT 308 hpp danfoss com...

Страница 44: ...up the pump unit 463 1 Mounting 34 3 2 Direction of rotation 35 3 3 Orientation 35 3 4 Protection from too high pressures 36 3 5 Connections 36 3 6 Grounding 36 4 Initial start up 36 5 Operation 36 5...

Страница 45: ...r to start up Monitoring pressure switch C Place a monitoring pressure switch 3 between filter and pump inlet Set the minumum inlet presssure according to specifications described in item 5 The monito...

Страница 46: ...iltration A good filtration is vital to ensure a long and trouble free life of the pump As water has very low viscosity the PAHT pumps have been designed with very narrow clearance in order to control...

Страница 47: ...ws see coupling operation mounting instruc tion 7 Mount the elastic gear ring and mount the bell housing pump on the motor After mounting it must be possible to move the elastic gear ring 3 5mm 0 12 0...

Страница 48: ...or start up WARNING Make sure that the direction of rotation of the electric motor corresponds to the direction of rotation of the pump see label on pump Otherwise the pump will be damaged if a check...

Страница 49: ...ed the plant operator can decide to extend the service interval by evaluating the following deviations Sound does the pump have any unusual sounds Electric motor power consumption and speed compared w...

Страница 50: ...Danfoss DCS SGDPT SI 2023 01 50 180R9289 AQ109686503106en 001102 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps Instruction 180R9289 AQ109686503106en 001101...

Страница 51: ...51 180R9289 AQ109686503106en 001102 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps M a n u a l Electric Motors Motor Manual hoyermotors com...

Страница 52: ...ircuit forces It is important to ensure that the mounting conditions do not cause resonance with the rotational frequency and the doubled supply frequency Only mount or remove drive components pulley...

Страница 53: ...y mounted motors are half of the above values The table values are based on an ambient temperature of 25 C The values must be halved for every 15K increase in bearing temperature Higher speed operatio...

Страница 54: ...nfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps Connection diagram Anschlu diagram Anslutningdiagramm Forbindelsesdiagram Aansluitdiagram Connection...

Страница 55: ...55 180R9289 AQ109686503106en 001102 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps...

Страница 56: ...oyermotors cn Branch Offices Germany Landsberger Stra e 155 80687 M nchen T 49 89 700 88 235 F 49 89 543 56 333 germany hoyermotors com hoyermotors com Sweden Liljeholmsstranden 5 PO box 44017 SE 100...

Страница 57: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Parts list PAHT pumps PAHT 2 6 3 PAHT 10 12 5 PAHT 20 32 PAHT 50 90 and PAHT 256 308 hpp danfoss com...

Страница 58: ...ual for PAHT 256 308 pumps Table of Contents Contents 1 General 59 12 Spare parts list for PAHT 256 308 Serial number 03 or higher 60 13 Exploded view for PAHT 256 308 Serial number 03 or higher 61 14...

Страница 59: ...01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps This parts list provides an overview of the content of the various service sets for the PAHT 256 308 as well as...

Страница 60: ...3 Screw M8 x 16 AISI 316 x 31 1 Swash plate Super Duplex x x 34 2 Pin 10 5 x 20 Duplex x x x 61 1 Cylinder barrel Super duplex PEEK 62 4 Spring Duplex x 63 1 Spring guide Polypropylen x 64 1 Retainer...

Страница 61: ...9289 AQ109686503106en 001102 61 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 13 Exploded view for PAHT 256 308 Serial number 03 or higher Parts...

Страница 62: ...9289 AQ109686503106en 001102 Danfoss 2023 01 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps 14 Exploded view PAHT 256 308 Serial number up to and including 02 Par...

Страница 63: ...59 Tool set PAHT 256 308 Designation Shaft bush torpedo Press tool Mounting screw Allen key 6 mm x Adjustable pin wrench x Combination wrench 10 mm x Combination wrench 13 mm x Nut M8 x 6 5 x 13 x Gui...

Страница 64: ...Danfoss DCS SGDPT SI 2023 01 64 180R9289 AQ109686503106en 001102 Operation guide Installation Operation and Maintenance Manual for PAHT 256 308 pumps Parts list AX322445815902 000201...

Страница 65: ...nfoss 2023 01 180R9289 AQ109686503106en 001102 1 180R9289 AQ109686503106en 001102 65 Danfoss 2023 01 Data sheet Product type Guide line PAH PAHT PAHT C PAHT G pumps Trouble shooting guide hpp danfoss...

Страница 66: ...HT C PAHT G for both non ATEX and ATEX certified PAHT pumps are not ATEX certified Table of Contents Table of Contents Trouble shooting fish bone chart 67 1 No flow no pressure 68 2 Reduced flow reduc...

Страница 67: ...ent 2 1 6 Main filtration 2 1 Wear in pump internal leakage 2 1 7 Type of fluid 2 1 8 High fluid temperature 4 1 Air in fluid 4 2 Bleeding conditions of pump 4 3 Min max nominal inlet pressure 4 4 Pum...

Страница 68: ...is started 1 3 6 Check that the monitor switches are working correctly 1 3 7 Disconnect pump from electric motor and check that the motor is capable of running with no load If motor type relay or the...

Страница 69: ...ssing the piston is very worn The filters can be bypassed even if they are correctly mounted Some filters can create channelling where particles can pass through the filter in tunnels String wounded f...

Страница 70: ...3 2 2 Check internal parts see item 2 1 3 2 3 Systems with more than one electric motor installed Start motors simultaneously Pumps run in parallel with cascade start may switch off the motor relay du...

Страница 71: ...ing is broken or worn See 1 No flow item 1 2 Pump reversing WARNING The pump must not run without water for more than a few seconds If the pump takes in water from the high pressure outlet line it bui...

Страница 72: ...or too many bends may create too fast flow turbulence through the pipes and thus increase the noise level 5 3 Hose stiffness 5 3 1 Use a more flexible hose Too stiff hoses cannot dampen the small pre...

Страница 73: ...alve plate has scratches and or a polished surface Even small scratches will give a loss of flow Picture 3 A good way to identify a worn valve plate is to hold a straight knife edge over the valve pla...

Страница 74: ...k See item 6 1 picture 3 6 2 Port plate 6 3 Swash plate Picture 1 If the swash plate is polished 360 it is an indication of insufficient filtration The surface of the swash plate must be plane and eve...

Страница 75: ...Danfoss 2023 01 180R9289 AQ109686503106en 001102 1 Service guide Right and wrong Trouble shooting guide for water hydraulic systems hpp danfoss com...

Страница 76: ...in the return line immediately before the tank Placing the return filter upstream of the final load may damage the pump Pump location 4 Pump always to be placed below water surface level Pump location...

Страница 77: ...n in joints may cause damage Grease 10 Correctly limited quantities of grease prevent seizing Too much grease may develop biofilm causing operational failures Water supply 13 Fill system with water be...

Страница 78: ...eturn filter and bleed the pump Power Packs PPH 4 6 3 10 and 12 5 are self bleeding 2 Start and bleed the system without pressure by opening the bypass valve 3 Add the cleaning agent to give 3 agent w...

Страница 79: ...or provide better cooling Is the control light for low pump suction pressure on The filter is clogging Is the power supply ok Are control lights on Is the filter clogged Is the filter control light on...

Страница 80: ...s Is the power supply ok Are control lights on Is the filter clogged Is the filter control light on Replace filter element Contact serviceman Stamp Fill water into the system Trace leakage if any A bl...

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