Danfoss PAHT 20 Manuals

Manuals and User Guides for Danfoss PAHT 20. We have 1 Danfoss PAHT 20 manual available for free PDF download: Operation, Installation, And Maintenance Manual

Danfoss PAHT 20 Operation, Installation, And Maintenance Manual

Danfoss PAHT 20 Operation, Installation, And Maintenance Manual (88 pages)

Brand: Danfoss | Category: Water Pump | Size: 11.1 MB

Table of Contents

Table of Contents

2
- Validity
  4
- Introduction
  5
- General
  5
- Symbols
  5
- Manufacturer and Customer Service Address
  6
- Country Speci C Information
  6
- United Kingdom
  6
- Safety
  6
- General Information
  6
- Preferred System Design
  6
- Application Range
  7
- Space Requirement
  7
- Dimension Drawings
  7
- Noise and Vibration
  7
- Electric Motor Data
  7
- Approved Applications and Operational Limits for the Pumps
  7
- Technical Data
  7
- In Case of Doubt
  7
- Adhere to the Following Important Points
  7
- Commissioning and Servicing the Unit
  7
- Arrival Inspection
  8
- Transport and Handling
  8
- General Safety Information
  8
- Warning
  8
- Arrival Inspection, Transportation, Handling, Lifting and Storage
  8
- Chemicals
  8
- Air Bubbles
  8
- Properties of Water
  8
- Filtration
  8
- Return to Supplier
  9
- Storage
  9
- Fluid Temperature
  10
- Electrical Data
  10
- Local Regulations
  10
- Cleanliness
  10
- Important Dimensions
  10
- Installation and Commissioning
  10
- Lifting and Positioning
  11
- Mount the DI Erent Equipment
  11
- Electrics
  11
- Instrumentation
  11
- Connections
  11
- Pre Mounting Checklist, Based on Danfoss Preferred System Designs
  11
- Open System
  12
- Instruct Operator and Maintenance Personnel
  12
- Check the Lter Condition
  12
- Closed System (Not Applicable for PAHT 256-308)
  12
- Bleed and Remove Air from the Pump
  12
- Commissioning
  12
- Verify Direction of Rotation
  12
- Ensure Free Ow
  12
- Verify Setting of Safety/Relief Valves
  12
- Service and Inspection Interval for the Pump
  13
- Shut down of the System
  13
- General Safety Information
  13
- Maintenance and Service of the Pump Unit
  13
- Operation of Motor Pump Unit
  13
- What to Listen and Look for
  13
- Disassembling and Assembling the Pump Unit
  14
- Assembling the Pump Unit
  14
- Procedure for Mounting the Pump Back Onto Electric Motor
  14
- Getting the Pump Unit Back into Operation
  14
- Storage of the Pump
  14
- Electrical Failure
  15
- Scrapping Criteria
  15
- Responsibility
  15
- General Safety Information
  15
- Mechanical Failure
  15
- Operational Conditions Which Can Cause Pump Failures
  15
- Troubleshooting and Scrapping Criteria
  15
Section 1

18
- Table of Contents
  18
- Data Sheet PAHT 2-308 Pumps (Ai106586503085En-00090 1)
  19
- Introduction
  20
- Application Examples
  21
- Bene Ts
  21
- Paht 2-12.5
  22
- Technical Data
  22
- PAHT 20-32 and PAHT 20-32 LP
  23
- Paht 50-90
  24
- Paht 256-308
  25
- Flow
  26
- PAHT 2-6.3 Typical Ow Curves at Max Pressure
  26
- PAHT 10-12.5 Typical Ow Curves at Max Pressure
  27
- PAHT 20-32 Typical Ow Curves at Max Pressure
  28
- PAHT 20-32 LP Typical Ow Curves at Max Pressure
  29
- PAHT 50-90 Typical Ow Curves at Max Pressure
  30
- PAHT 256-308 Typical Ow Curves at Max Pressure
  31
- Motor Requirements
  32
- Filtration
  33
- Installation
  33
- Noise
  33
- Open-System Design
  34
- Closed-System Design
  35
- Dimensions and Connections
  36
- Paht 2-6.3
  36
- Paht 10-12.5
  37
- Paht 20-32
  38
- Paht 50-90
  39
- Paht 256-308
  40
- Service
  41
- Pump Instruction PAHT 20-32 and PAHT 50-90 (An101386502958En-000603)
  43
Section 2

44
- Closed Water Hydraulic Systems, Water
  45
- Closed-System Design
  45
- Identi Cation
  45
- System Design
  45
- General Guidelines for Calculation of Pressure Losses
  46
- Open-Ended Systems with Direct Water Supply
  46
- Open-Ended Systems, Water Supply from Tank
  46
- Open-System Design
  46
- Building up the Pump Unit
  48
- General Comments
  48
- Mounting
  48
- Direction of Rotation
  49
- Orientation
  49
- Protection from too High System Pressures
  49
- Connections
  50
- Paht 20-32
  50
- Paht 50-90
  50
- Initial Start-Up
  51
- Operation
  51
- Temperature
  51
- Water Quality
  51
- Disconnection
  52
- Dry Running
  52
- Open-Ended Systems with Direct Water Supply
  52
- Open-Ended Systems with Water Supply from Tank
  52
- Pressure
  52
- Storage
  52
- Water Hydraulic Systems, Water Recirculated
  52
- General Information
  53
- How to Inspect the Pump
  53
- Inspection of Pump Parts
  53
- Recommended Service Intervals
  53
- Service
  53
- Electric Motor Manual (180R9230)
  55
- Parts List PAHT (Ax322445815902En-000201)
  61
- Trouble Shooting Guide for PAH, PAHT, PAHT G, PAHT 674 and PAH F Pumps
  69
Section 3

70
- Trouble Shooting Sh Bone Chart
  71
- No Ow/No Pressure
  72
- Reduced Ow/Reduced Pressure
  73
- High Torque on Electric Motor
  74
- Noise from Pump
  75
- Noise from Installation
  76
- Typical Signs of Wear
  77
- Valve Plate
  77
- Port Plate
  78
- Swash Plate
  78
- Right and Wrong - Trouble Shooting Guide for Water Hydraulic Systems (180R9042)
  81

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