Install Instructions

Table Of Contents
4.2.4 I/O terminals
1
2 3
WS012687A
4
5
6
Terminal Parameter Description
1 Temp IN+ External temperature sensor input
2 Temp IN- External temperature sensor input
3 0-10V IN+ 0-10V constant speed input
4 0-10V IN- 0-10V constant speed reference
5 Not used Not used
6 Not used Not used
4.2.4.1 Control mode for water temperature
Control modes for water temperature can be activated only by using the
application MY ecocirc.
Mode Description
Constant absolute temperature, ConstT Controls the speed of motor to maintain a constant water
temperature in the system
This mode uses the external temperature sensor for heating
and cooling applications.
4 Installation
18 Ecocirc+ 20-18 Installation, Operation, and Maintenance Manual