Danfoss APP series

20 | 180R9346 | AQ240486503020en-001702 © Danfoss | 2023.03
Operation guide Installation, Operation and Maintenance APP 53-92 pumps
Table of Contents
1. Introduction ...........................................................................21
2. Benets................................................................................21
3. Application examples ..................................................................21
4 Technical data .........................................................................22
4.1 APP 53-92..............................................................................22
5. Performance curves ....................................................................24
5.1 APP 53 ow at dierent rpm............................................................24
5.2 APP 65 ow at dierent rpm............................................................25
5.3 APP 78 ow at dierent rpm............................................................26
5.3 APP 86 ow at dierent rpm............................................................27
5.4 APP 92 ow at dierent rpm............................................................28
6. Flushing valve curves ..................................................................29
6.1 APP 53-92 integrated ushing valve ....................................................29
7. Motor requirements....................................................................29
7.1 Calculation factor at 60 barg / 870 psig for APP 53-92....................................29
8. Temperature and corrosion.............................................................30
8.1 Operation..............................................................................30
9. Installation.............................................................................30
9.1 Filtration...............................................................................31
9.2 RO system with direct supply: ..........................................................31
10. Dimensions and connections...........................................................33
10.1 APP 53 .................................................................................33
10.2 APP 65 - 92.............................................................................34
10.3 APP 53-92 with IE3 motor, IEC 315S - 4 ..................................................36
10.4 APP 53-92 with IE3 motor, IEC 315M - 4..................................................36
10.5 APP 53-92 with IE3 motor, IEC 315L 1-4 .................................................37
10.6 APP 53-92 with IE3 motor, IEC 315L 2 - 4 ................................................37
11. Pump connections .....................................................................38
11.1 APP 53 - 92.............................................................................38
12. VCM 3” Victaulic........................................................................39
12.1 Technical data .........................................................................39
12.2 Flow versus pressure ...................................................................40
13. Accessories ............................................................................41
14. Service and warranty...................................................................41