27
6.2 Indirect calibration
A value from the following table is to be added to the
default factory calibration value in the display. To
reset the pump to the factory calibration value, acti-
vate the "DEFAULT" function, see section 4.17.
To use the values, the following must be fulfilled:
• The viscosity and density of the liquid to be dosed
must not differ considerably from water at 68 °F
(20 °C).
• A Grundfos installation kit or corresponding foot
valve, injection valve and hose diameter must be
used.
• The length of the dosing hose must not exceed
20 feet.
• The suction lift must be between 4 inches and
5 feet.
Adding the value:
Fig. 25 Adding a table value to the default factory calibration value
Pump type
Values to be added to the calibration value at various pressures [psi]
0.0-
14.5
14.5-
29.0
29.0-
43.5
43.5-
58.0
58.0-
72.5
72.5-
87.0
87.0-
116
116-
145
145-
174
174-
203
203-
232
232-
261
DME 2 1.4 1.1 0.8 0.5 0.2 –0.2 –0.6 –1.2 –1.8 –2.4 –3.0 –3.6
DME 8 3.52.72.01.20.4–0.4–1.6–3.1––––
DME 12 2.11.30.4–0.4–1.3–2.1–3.4–––––
DME 19 18.3 12.2 6.1 0 –6.1 –12.2 –21.4 – ––––
DME 48 24.38.3–8.3–––––––––
Operating display
without changes
Operating display
Set value
to table value
+ display value
Grundfos.bk Page 27 Wednesday, May 21, 2008 11:21 AM
To Next Page
Loading...
