Controls Of The Heat Source; 2.2.1 Output Control; 2.2.2 Flow Temperature Control; Supplied Parts - Buderus EM100 Installationsanleitung

2 Product Information
2.2

Controls of the heat source

This control strategy is used when the heating system is
controlled using a building management system with a 0–10 V
controller output ( Fig. 22 at the end of the document).
Input voltage Flow temperature/
output setpoint
(wall-mounted
indoor unit)
0 V - 0.5 V 0 %/0 °C
0.6 V approx. 6 %/
approx. 15 °C
5.0 V approx. 50 %/
approx. 50 °C
10.0 V approx. 100 %/
approx. 90 °C
Table 2 Control based on output/flow temperature

2.2.1 Output control

Linear relationship between the 0–10 V signal (U in volts) and
the required performance (P in percent)
P / %
100
10
0,5 1
Fig. 1 Linear relationship between the 0–10 V signal
(U in volts) and the required performance P
(in percent with reference to the maximum system
performance)
The connected heat source is enabled and disabled according
to the required output.
18

2.2.2 Flow temperature control

Linear relationship between the 0–10 V signal (U in volts) and
the required flow temperature  in °C with reference to the
minimum flow temperature range to the maximum flow
temperature range [default setting 20 to 90 °C]):
Status of wall-
mounted indoor
unit
off
on if > min. output
on
on/maximum
Fig. 2
The connected heat source is enabled and disabled according
to the required flow temperature.
2.3
Fig. 6 at end of document:
[1] Module
[2] Bag with strain relief
[3] Installation Manual
U / V
10
0010013227-002
/ °C
90
20
0,5 1
Linear relationship between the 0–10 V signal
(U in volts) and the required flow temperature

Supplied parts

EM100 – 6721848668 (2022/05)
U / V
10
0010024409-001

in °C)