Taconova H3000 E, Operating Instructions Manual

Page: 15 / 57

3 Overview
3.1 Functional principle
The controller is a component of the heat interface unit. This controls
the heat interface unit and verifies the current measurements. The
domestic hot water control cycle is comprised of a controllable valve,
a temperatur sensor on both the primary and secondary sides, and a
flow rate sensor. The temperature sensor in the heating supply and a
controllable valve are used as a basis to control the heating supply.
An HMI is connected to the circuit board for the operation of the con-
troller (
Ä
Chapter 6.1 ‘Connecting the HMI’ on page 25). Parameters
are setting using this HMI ( Ä
Chapter 6.2.1 ‘Setting parameters on
the HMI’ on page 25).
3.2 Connection points
The USB connection is used to load and save parameters and soft-
ware onto the controller. The USB connection is also used for saving
data.
The LAN connection is used to connect the HMI to the circuit board
and allows operation of the controller.
All components that are managed by the controller are connected to
the terminals on the terminal block.
The following components are connected to the terminals:
n
Sensors ( Ä
‘Sensors’ on page 16)
n
Circulation pump
n
Mixer valves for hot water und heating control
n
Valve for keep warm module
Function of the controller
Operation
USB connection
Fig. 1: USB connection
LAN connection
Fig. 2: LAN connection
Terminals
Fig. 3: Terminal block
H3000 E Overview
01/2023 Item no. 215251 EA no. EA-1291 Operating instructions 15