Danfoss PAHT 4 Manuals

Manuals and User Guides for Danfoss PAHT 4. We have 1 Danfoss PAHT 4 manual available for free PDF download: Operation, Installation, And Maintenance Manual

Danfoss PAHT 4 Operation, Installation, And Maintenance Manual

Danfoss PAHT 4 Operation, Installation, And Maintenance Manual (94 pages)

Brand: Danfoss | Category: Water Pump | Size: 14 MB

Table of Contents

Section 1

2
- 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
- Space Requirement
  7
- Dimension Drawings
  7
- Noise and Vibration
  7
- Electric Motor Data
  7
- Approved Applications and Operational Limits for the Pumps
  7
- Adhere to the Following Important Points
  7
- Commissioning and Servicing the Unit
  7
- Application Range
  7
- In Case of Doubt
  7
- Technical Data
  7
- Filtration
  8
- Properties of Water
  8
- Air Bubbles
  8
- Arrival Inspection
  8
- Warning
  8
- General Safety Information
  8
- Transport and Handling
  8
- Chemicals
  8
- Return to Supplier
  9
- Storage
  9
- Fluid Temperature
  10
- Local Regulations
  10
- Electrical Data
  10
- Cleanliness
  10
- Installation and Commissioning
  10
- Important Dimensions
  10
- Pre Mounting Checklist, Based on Danfoss Preferred System Designs
  11
- Lifting and Positioning
  11
- Mount the DI Erent Equipment
  11
- Electrics
  11
- Instrumentation
  11
- Connections
  11
- Open System
  12
- Instruct Operator and Maintenance Personnel
  12
- Check the Lter Condition
  12
- Closed System (Not Applicable for PAHT G 256-308)
  12
- Verify Setting of Safety/Relief Valves
  12
- Commissioning
  12
- Verify Direction of Rotation
  12
- Bleed and Remove Air from the Pump
  12
- Ensure Free Ow
  12
- Service and Inspection Interval for the Pump
  13
- Shut down of the System
  13
- Operation of Motor Pump Unit
  13
- Maintenance and Service of the Pump Unit
  13
- What to Listen and Look for
  13
- General Safety Information
  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
- Troubleshooting and Scrapping Criteria
  15
- General Safety Information
  15
- Operational Conditions Which Can Cause Pump Failures
  15
- Mechanical Failure
  15
- Electrical Failure
  15
- Responsibility
  15
- Scrapping Criteria
  15
- Appendices
  17
Section 2

20
- Table of Contents
  20
- Application Examples
  21
- Bene Ts
  21
- Paht 2-12.5
  22
- Technical Data
  22
- Paht 20-32
  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 50-90 Typical Ow Curves at Max Pressure
  29
- PAHT 256-308 Typical Ow Curves at Max Pressure
  30
- Motor Requirements
  31
- Filtration
  32
- Installation
  32
- Noise
  32
- Open-System Design
  33
- Closed-System Design
  34
- Paht 2-6.3
  35
- Paht 20-32
  36
- Paht 50-90
  37
- Paht 256-308
  39
- Service
  40
Section 3

44
- Closed-System Design
  45
- System Design
  45
- Open-System Design
  46
- General Comments on
  47
- General Guidelines for Calculation of Pressure Losses
  47
- Building up the Pump Unit
  48
- Direction of Rotation
  48
- Mounting
  48
- Orientation
  48
- Connections
  49
- Protection from too High Pressures
  49
- Disconnection
  50
- Dry Running
  50
- Initial Start-Up
  50
- Operation
  50
- Pressure
  50
- Storage
  50
- Temperature
  50
- Water Hydraulic Systems, Water Recirculated
  50
- Water Quality
  50
- General Information
  51
- How to Inspect the Pump
  51
- Inspection of Pump Parts
  51
- Open-Ended Systems with Direct Water Supply
  51
- Open-Ended Systems with Water Supply from Tank
  51
- Recommended Service Intervals
  51
- Service
  51
Section 4

60
Section 5

78
- Trouble Shooting Sh Bone Chart
  79
- No Ow/No Pressure
  80
- Reduced Ow/Reduced Pressure
  81
- High Torque on Electric Motor
  82
- Noise from Pump
  83
- Noise from Installation
  84
- Typical Signs of Wear
  85
- Valve Plate
  85
- Port Plate
  86
- Swash Plate
  86
  - Installation
    91
  - Starting Procedure
    92
  - Troubleshooting
    93

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