1Danfoss Heating Solutions VUFQA402 09/2019

User Guide

Danfoss Δp Tool for RA-DV, RA-N, RA-U, Danfoss BIV

10 mm Select Enter

0.1

kPa

0.0

Steady Height *

OPEN

Select Enter

kPa

CLOSE

OPEN

Select Enter

kPa

Select Enter

kPa

∆P

10 mm

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11.

* Steady height by all measurements

Danfoss Installer App Android Google Play

iPhone App Store

Locking ring only for RA-DV

Select Enter

kPa

User Guide Danfoss ∆p Tool for Dynamic Valve™ Type RA-DV

VUFQA402 / 013R9583 Produced by Danfoss A/S © 09/2019

Pump Optimization with the Danfoss ∆p Tool (example)Make sure: 1) the pump is set in constant pressure 2) all the valves in the system are fully open

10

9

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2

1

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Select Enter

0.1kPa

OPEn

OPEN

CLO

SE

OPEN

Select Enter

4

kPa

CLOS

xx

kPa

10

9

8

7

6

5

4

3

2

1

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Select Enter

0.1kPa

OPEn

OPEN

CLO

SE

OPENSelect Enter

5

kPa

CLOS

yy

kPa

If the differential pressure is constant (XX=YY)* go one level down in the pump setting DONE

If the differential pressure is not constant (XX≠YY) increase the pump setting and measure again. See 8 to 11.

Select Enter

7

kPa

CLOS

AA

kPa 10

9

8

7

6

5

4

3

2

1

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Select Enter

0.1kPa

OPEn

OPEN

CLO

SE

OPEN

Select Enter

7

kPa

CLOS

BB

kPaRepeat 8-11 until the differential pressure is constant (AA=BB)*.Go one level down in the pump setting DONE

* The measured value at constant differential pressure is between 6 to 10 kPa

1. 2. 3.

4. 5. 6.

8. 9.

10. 11.

Danfoss Installer App Android Google Play

iPhone App Store

Danfoss ΔP ToolYouTube video

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12.