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Danfoss Heating Solutions VUFQA402 09/2019
User Guide
Danfoss Δp Tool for RA-DV, RA-N, RA-U, Danfoss BIV
10 mm
SelectEnter
0.1
kPa
0.0
Steady
Height *
OPEN
SelectEnter
kPa
CLOSE
OPEN
SelectEnter
kPa
SelectEnter
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
SelectEnter
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
8
7
6
5
4
3
2
1
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SelectEnter
0.1
kPa
OPEn
OPEN
CLOSE
OPE
N
SelectEnter
4
kPa
CLOS
xx
kPa
10
9
8
7
6
5
4
3
2
1
__
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SelectEnter
0.1
kPa
OPEn
OPEN
CLOSE
OPE
N
SelectEnter
5
kPa
CLOS
yy
kPa
If the dierential pressure is constant
(XX=YY)* go one level down in the
pump setting DONE
If the dierential pressure is not constant
(XX≠YY) increase the pump setting and
measure again. See 8 to 11.
SelectEnter
7
kPa
CLOS
AA
kPa
10
9
8
7
6
5
4
3
2
1
__
__
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__
__
__
__
__
SelectEnter
0.1
kPa
OPEn
OPEN
CLOSE
OPE
N
SelectEnter
7
kPa
CLOS
BB
kPa
Repeat 8-11 until the dierential
pressure is constant (AA=BB)*.
Go one level down in the pump
setting DONE
* The measured value at constant dierential 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 Tool
YouTube video
7.
12.
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Danfoss 013G7831 User guide
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- User guide
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