We reserve the right to change designs and technical specifications of our products.
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3. FlexTherm Eco_A2_ET Controller
3.1 Description
The FlexTherm Eco_A2_ET controller is housed in the unit. The controller parameters can be changed on-site.
The variants of the control boxes available to match the different heat storage types as described below.
Figure 3.1: Controller in FlexTherm Eco Units
Power
>50%
>100%
Heating
3.2 PCB identification
Location of the switches and LEDs is shown in the figure below. Wiring connections for remote control input are shown, using the 4-way plug in
connector.
Table 3.1: Controller connections
5V input/output 2
J1.6 (FV)
Connect to GND for timed boost (user switch)
5V input/output 1
J1.7 (FT)
Connect to GND to command element on (PV
inverter)
GND
J1.8 (GND)
Ground for i/o signals
Remote control input
Boost switch input
ENG
