Connection Diagrams; Heating Elements; Steam Generator 2 Grade Control - Helo HNS-M2 Produkthandbuch

User and installation manual HNS-M2

Connection diagrams

Water valve Water valve
flush filling
230V AC 230V AC
HNS – M2
HNS – M2

Steam generator 2 grade control

Control of steam generator heat element has two grades.
Example: The set temperature is +43 °C. When the temperature reaches +43 °C, two elements are switched off with
the help of a contactor and one element retains the temperature with the help of another contactor. If the
temperature rises +1°C from the temperature set, all elements are switched off. When the temperature drops below -
1 °C, all elements are switched back on. This ensures stabile steam production for the entire duration of the
operation.
Heating
elements
Thermal
fuse
PE
N
H1
N
H2
N
N
V1
N V2
3,4 – 7,7 kW 230V – 240V 1N~ / 2~,
230V 3~,
400V - 415V 3N~
9,5 – 14,0 kW
230V 3~,
400V - 415V 3N~
Contactor
5
6
3
4
2.
2 1
6 5
3
4
1.
1
2
Upper limit S2
Lower limit S1
White
Red
Green
Yellow
L
White
Yellow
Green
Brown
White
Red
OLEA 72
3,4 - 7,7 kW 230 V 1N~ / 2~
6
1 2 3 4 5
5
L1 / N
4
3
2
3,4 - 14 kW 230 V 3~
1
2 3 4
Gr
L1 L2 L3
Lid
3,4 - 14 kW 400 V 3N~
grounding
1
2 3 4
L1 L2 L3
N
Serial traffic
Surface sensor
to MIDI 2-controller
On / Of
Push button
Sensor
Alarm 12 V DC
Light control option
max. 24 V DC, 50 mA
354 SHS 40 C
8
6
L2
6
5
6
5