Danfoss PAH 20

Instruction Pump instruction PAH 20/25/32/50/63/70/80/100
34 |
180R9380 | AQ213286502970en-000701 | IOM PAH 20-100 pumps
@ Danfoss | DHS (im) | 11.2021
1. Identication
Table of Contents Contents
1. Identication ..........................................................................34
2. System design.................................................................35
2.1 Closed-system design .................................................................35
2.2 Open-system design ...................................................................36
2.3 General guidelines for calculation of pressure losses ....................................37
2.4 General comments on .........................................................37
3. Building up the pump unit .....................................................38
3.1 Mounting .....................................................................38
3.2 Direction of rotation ..........................................................38
3.3 Orientation ...................................................................38
3.4 Protection from too high pressures.............................................39
3.5 Connections ..................................................................39
4. Initial start-up.................................................................40
5. Operation.....................................................................40
5.1 Water quality .................................................................40
5.2 Temperature ..................................................................40
5.3 Pressure ......................................................................40
5.4 Dry running ...................................................................40
5.5 Disconnection.................................................................40
5.6 Storage .......................................................................40
5.6.1 Water hydraulic systems, water recirculated.............................................40
5.6.2 Open-ended systems with water supply from tank. .....................................41
5.6.3 Open-ended systems with direct water supply. .........................................41
6. Service.................................................................................41
7. Recommended service intervals........................................................41
7.1 General information....................................................................41
7.2 Inspection of pump parts ..............................................................41
7.3 How to inspect the pump ..............................................................41
PUMP
Type PAH 100
Code no. 180B0076
Serial no. XXXXXX02-XXX
MADE IN DENMARK
Danfoss A/S, 6430 Nordborg, Denmark