eta HACK 90 User Manual

ETAtouch controller [Buffer] function block
37
6.3.1 Setting the buffer charging times
Open the overview of the charging times set
The operating hours of the buffer can be adjusted in
the settings ( button). To adjust, open the settings
and then open the charging times of any given day with
the [Charging times Daily plan] button. An overview
screen opens.
Fig. 6-36: Overview
1 Set time window (charging times)
2 Select day of the week
3 Add another time window
4 Graphical representation of the time window
setting
5 Overview of all time windows for the entire week
6 Delete time window
7 Period of the time window
Setting the time window and copying to other
days of the week is described in chapter 6.1.6.6
"Setting a time window".
6.3.2 Buffer with solar heating system
Buffer with solar heating system
The control principles of the solar heating system
and the different variations are described in
chapter 6.7 "
[Solar] function block".
In the overview of the buffer, the solar heating system
appears as another producer for the buffer.
Fig. 6-37: Solar heating system on buffer
1 Currently, the buffer is charged by the solar heating
system at a flow temperature of 69 °C
2 Additional temperature sensor [Buffer bottom
Solar] for control of the solar heating system
The [Solar priority] function enables the solar
heating system to charge the buffer without the
boiler being started within 2 configurable time slots
(see 6.3.4.9 "
Solar priority").
If a stratified charger for the buffer is installed, the solar
heating system can charge the upper and lower
portion of the buffer. The solar heating system is

eta HACK 90 Specifications

General

Brand	eta
Model	HACK 90
Category	Boiler
Language	English