Wilo Stratos Serie Instrucciones De Instalación Y Funcionamiento página 37

Control modes 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/-D/-Z
Δp-c (fig. 8)
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. 7)
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. 9)
The settings are to be
made by customer
service taking the
plant conditions into
account, via the serial
digital interface or
using an IR operating
and service unit
(accessory).
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
33