3
en
Contents
1 Overview .............................................................................................. 4
2 Installation ........................................................................................... 5
2.1 Mounting ........................................................................................................................5
2.2 Electrical connection ...................................................................................................5
2.3 VFD Grundfos Direct Sensor™ ...............................................................................6
2.4 PWM output..................................................................................................................6
2.5 Data communication / Bus ..........................................................................................6
2.6 Terminal allocation .......................................................................................................7
3 Operation and function ...................................................................... 9
3.1 Buttons ...........................................................................................................................9
4 System-Monitoring-Display ................................................................ 9
4.1 Flashing codes ............................................................................................................ 10
Solar controller DeltaSol
®
CS/2
The DeltaSol
®
CS/2 controller is used for the speed control of a HE pump in
small standard solar thermal and heating systems.
It is equipped with a PWM output and an additional input for a VFD Grundfos Di-
rect Sensor
TM
that enables a precise heat quantity measurement.
The commissioning menu will lead you through the most important adjustments for
the initial conguration in only eight steps.
5 Commissioning .................................................................................. 11
6 Channel overview .............................................................................. 13
6.1 Display channels ......................................................................................................... 13
6.2 Adjustment channels ................................................................................................ 15
7 Troubleshooting .................................................................................24
8 Accessories ........................................................................................ 27
8.1 Sensors and measuring instruments ..................................................................... 28
8.2 VBus
®
accessories ..................................................................................................... 28
8.3 Interface adapters ...................................................................................................... 28
9 Index ................................................................................................... 29
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General