Danfoss PAH 50 User Manual

Operation guide | Installation, Operation and Maintenance Manual for PAH 2-12.5 pumps
2
180R9379 | AQ188686503004en-000801 | PAH 2-12.5 | 07.2022
Table of Contents Contents
Table of Contents ..................................................................................2
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 Noise and vibration .....................................................................7
3.5 Dimension drawings ....................................................................7
3.6 Space requirement......................................................................7
3.7 Filtration................................................................................8
3.8 Properties of water......................................................................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 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 ...........................................................................11
5.12 Ensure free ow .......................................................................12
5.13 Verify setting of safety/relief valves .....................................................12
5.14 Bleed and remove air from the pump ...................................................12
5.15 Verify direction of rotation .............................................................12
5.16 Commissioning ........................................................................12
5.16.1 Open system...........................................................................12
5.16.2 Closed system .................................................................... 12
5.17 Check the lter condition...............................................................12
5.18 Instruct operator and maintenance personnel ..........................................12
6. Operation of motor pump unit ........................................................13
6.1 General safety information .............................................................13
6.2 What to listen and look for .............................................................13

Danfoss PAH 50 Specifications

General

Brand	Danfoss
Model	PAH 50
Category	Water Pump
Language	English