Danfoss APP series User Manual

2 | 180R9346 | AQ240486503020en-001702 © Danfoss | 2023.03
Operation guide Installation, Operation and Maintenance APP 53-92 pumps
Table of Contents Contents
Table of Contents ..................................................................................2
Validity .........................................................................................4
1. Introduction ............................................................................5
1.1 General .................................................................................5
1.2 Symbols ................................................................................5
1.3 Manufacturer and customer service address .............................................6
1.4 Country specic information ............................................................6
1.4.1 United Kingdom ........................................................................6
2. Safety ..................................................................................6
2.1 General information.....................................................................6
2.2 Preferred system design.................................................................6
2.3 Commissioning and servicing the unit ...................................................7
2.4 Adhere to the following important points ...............................................7
2.5 In case of doubt.........................................................................7
3. Technical data ..........................................................................7
3.1 Approved applications and operational limits for the pumps .............................7
3.2 Application range.......................................................................7
3.3 Electric motor data......................................................................7
3.4 VFD and Direct on line ..................................................................7
3.5 Noise and vibration .....................................................................7
3.6 Dimension drawings ....................................................................7
3.7 Space requirement......................................................................8
3.8 Filtration................................................................................8
3.9 Properties of water......................................................................8
3.10 Air bubbles .............................................................................8
3.11 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 handling .................................................................8
4.5 Return to supplier.......................................................................9
4.6 Storage .................................................................................9
5. Installation and commissioning ........................................................10
5.1 Important dimensions .................................................................10
5.2 Cleanliness.............................................................................10
5.3 Fluid temperature......................................................................10
5.4 Electrical data..........................................................................10
5.5 Local regulations.......................................................................10
5.6 Pre mounting checklist, based on Danfoss preferred system design .....................11
5.7 Lifting and positioning .................................................................11
5.8 Mount the dierent equipment ........................................................11
5.9 Electrics ...............................................................................11
5.10 Instrumentation .......................................................................11
5.11 Connections ...........................................................................12
5.12 Ensure free ow .......................................................................12
5.13 Verify setting of safety/relief valves .....................................................12
5.14 Flush the pump ........................................................................12
5.15 Bleed and remove air from the pump ...................................................12
5.16 Verify direction of rotation .............................................................12
5.17 Commissioning ........................................................................12
5.18 Check the lter condition...............................................................12
5.19 Instruct operator and maintenance personnel ..........................................12

Danfoss APP series Specifications

General

Brand	Danfoss
Model	APP series
Category	Water Pump
Language	English