Wilo Stratos Notice De Montage Et De Mise En Service page 29

Control systems Δp-c, Δp-v and Δp-T:
Operating
point on max.
speed curve
Operating
point in
control range
Setting range
Installation and operating instructions Wilo-Stratos
Δp-c (fig. 7)
Draw a line from the operating point to the left.
Read set value Hs and set the pump in
accordance with this value.
Draw a line from the
operating point to the
left. Read set point Hs
and set the pump in
accordance with this
value.
H , H see type key (chapter 5.1)
min max
Δp-v (fig. 6)
Continue the standard
line until it meets the
max. speed curve,
then continue
horizontally to the
left, read set point Hs
and set the pump in
accordance with this
value.
Δp-T (fig. 8)
Settings are to be
made by the infrared
device.
T : 68...212°F
min
(+20...+100°C)
T : 86...230°F
max
(+30...+110°C)
ΔT = T ≥
-T
max min
50°F (10°C)
Increase:
ΔHS/ΔT ≤ 3.3 ft/50°F
(10°C)
H , H
min max
English
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