Setting the control functions
en
Installation and operating instructions Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D
195
System types for cooling application
Control mode
‣ Hydraulic shunt
Feed temperature T-const.
Return ΔT
‣ Differential pressure-less distributor
‣ Buffer cooling
Multi-Flow Adaptation
Volume flow cQ
‣ Heat exchanger
Feed temperature T-const
Feed ΔT
‣ Re-cooling circuit
Volume flow cQ
‣ District cooling circuit
Differential pressure Δp-c
Differential pressure Δp-v
Index circuit Δp-c
‣ Basic control modes
Differential pressure Δp-c
Differential pressure Δp-v
Index circuit Δp-c
Dynamic Adapt plus
Volume flow cQ
Temperature T-const
Temperature ΔT-const.
Speed n-const.
Table 23:
Selection of system type and control mode for “Cooling” application
Every control mode, with the exception of speed n-const, additionally requires the se-
lection of the actual value or sensor source (analogue input AI1 ... AI4).
NOTICE
Control mode temperature ΔT-const.
In the pre-defined applications, the signs and setting ranges for the setpoint tem-
perature (ΔT-c) are pre-set to match the application and thus the effect on the
pump (increase or reduction in speed) is pre-set.
When setting via “Basic control mode”, the sign and setting range must be con-
figured according to the desired effect.
Sensor source T1
Analogue input 1
Analogue input 2
Analogue input 3
Analogue input 4
CIF module
For the
temperature
control mode,
analogue input (AI3) is used for
the temperature sensor
.
Fig. 46:
Assignment of sensor source
If the selection is made, the sub-menu “Setting assistant” will appear with the display
of selected system type and control mode.
NOTICE
The menu “Heating/cooling switchover” for further adjustments is available only if
all settings have been made for “Heating & Cooling” application.
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