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Danfoss Manuals
Water Pump
APP 46
Installation, operation and maintenance manual
Danfoss APP 46 Installation, Operation And Maintenance Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Validity
Introduction
General
Symbols
Manufacturer and Customer Service Address
Country Speci C Information
United Kingdom
Safety
General Information
Preferred System Design
Commissioning and Servicing the Unit
Adhere to the Following Important Points
In Case of Doubt
Technical Data
Approved Applications and Operational Limits for the Pumps
Application Range
Electric Motor Data
Noise and Vibration
Dimension Drawings
Space Requirement
Filtration
Properties of Water
Air Bubbles
Chemicals
Arrival Inspection, Transportation, Handling, Lifting and Storage
Arrival Inspection
Warning
General Safety Information
Transport and Handling
Return to Supplier
Storage
Installation and Commissioning
Important Dimensions
Cleanliness
Fluid Temperature
Electrical Data
Local Regulations
Pre Mounting Checklist, Based on Danfoss Preferred System Design
Lifting and Positioning
Mount the DI Erent Equipment
Electrics
Instrumentation
Connections
Ensure Free Ow
Verify Setting of Safety/Relief Valves
Flush the Pump
Bleed and Remove Air from the Pump
Verify Direction of Rotation
Commissioning
Check the Lter Condition
Instruct Operator and Maintenance Personnel
Operation of Pump Unit
General Safety Information
What to Listen and Look for
Maintenance and Service of the Pump Unit
Service and Inspection Interval for the Pump
Shut down of the System
Disassembling and Assembling the Pump Unit
Assembling the Pump Unit
Procedure for Mounting the Pump Onto the Electric Motor
Getting the Pump Unit Back into Operation
Storage of the Pump
Troubleshooting and Scrapping Criteria
General Safety Information
Operational Conditions Which Can Cause Pump Failures
Mechanical Failure
Electrical Failure
Responsibility
Scrapping Criteria
Appendices
Data Sheet for APP Pumps 21-46 (Ai274333290009En-000701)
Introduction
Bene Ts
Application Examples
App 21-30
App 38-46
Flow at DI Erent Rpm
APP 21-30 Ow Curves at 60 Barg (870 Psig)
APP 21-38 Ow Curves at 60 Barg (870 Psig)
APP 46 Ow Curves 60 Barg (870 Psig)
Flushing Valve Curves
APP 21-46 Integrated Ushing Valve
Motor Requirements
Calculation Factor for APP 21-46
Temperature and Corrosion
Temperature
Installation
Filtration
System with Direct Supply
Dimensions and Connections
APP 21-26 and APP 30/1500
APP 30/1200 and APP 38-46
Dimensions with Motor Unit
App 21.0-38.0
App 46
Accessories
Accessories for APP 21-46
Service
Instruction for APP Pumps 21-46 (180R9405)
System Design
Open-Ended Systems with Direct Water Supply
Preferred RO System Design and P&ID
Building up the Pump Unit
Reversible Pumps
General Comments
Mounting
Direction of Rotation
Orientation
Protection from too High Pressures
Grounding
Connections
Initial Start-Up
Operation
Temperature
Pressure
Dry Running
Disconnection
Storage
Service
Warranty
Maintenance
Repair
Motor Manual
IOM Electric Motors (180R9230)
Electrical Connection
Maintenance
Recommended Service Intervals (Ax290247278153En-000201)
General Information
Parts Lists APP Pumps 21-46 (Ax274346749037En-000501)
General
Parts List APP 21-26
Exploded View APP 21-26 and APP 30/1500
Parts List APP 30-46
Exploded View APP 30/1200 and APP 38-46
Tool Sets
Trouble Shooting Guide (521B1447)
Trouble Shooting Sh Bone Chart
No Ow/No Pressure
Reduced Ow/Reduced Pressure
High Torque on Electric Motor
Noise from Pump
Noise from Installation
Typical Signs of Wear
Valve Plate
Port Plate
Swash Plate
Right and Wrong (180R9042)
Installation
Starting Procedure
Troubleshooting
Closed Water Systems
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Operation guide
Data sheet
Headline Myriad Pro
max. 26/26 pt.
APP pumps
max. 3 rows
APP 21-46
Installation, Operation and
Maintenance Manual
© Danfoss | 2023.03
and min. 18/18 pt.
hpp.danfoss.com
180R9407 | AQ274347577038en-000902 | 1
Table of
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Table of Contents
Troubleshooting
Troubleshooting and scrapping criteria
15
Trouble shooting guide (521B1447)
69
Trouble shooting sh bone chart
71
Troubleshooting
85
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This manual is also suitable for:
App 24
App 26
App 30
App 38
App 21
App 21/1200
...
Show all
App 21 ex/1200
App 21/1500
App 21 ex/1500
App 24/1200
App 24 ex/1200
App 24/1500
App 24 ex/1500
App 26/1200
App 26 ex/1200
App 26/1500
App 26 ex/1500
App 30/1200
App 30 ex/1200
App 30/1500
App 30 ex/1500
App 38/1500
App 38 ex/1500
App 46/1780
App 46 ex/1700
180b3051
180b3052
180b3054
180b3055
180b3056
180b3057
180b3060
180b3062
180b3071
180b3072
180b3151
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