18
EN
Connection terminals and power selec-
tion switches (9 kW model).
6.2 Steamtec II Basic 9 kW connection
terminals
Terminal
Marking
Description
1
L1
L1 phase - power supply
2
L2
L2 phase - power supply
3
L3
L3 phase - power supply
4
N
Neutral line
8
PE
PE earth wire
14
N
Neutral - control unit
15
N
S1 - control unit
16
N
Steam on from control unit
17
PE
PE (earth - control unit)
18
N
Signal - Ausgabe
19
A2
Signal - Ausgabe
20
Fragrance
Duftstoff
21
PE
PE - Duftstoff
The above terminal layout is designed for the
standard 400V 3N N AC power supply with 3 x
16 A fuse protection.
Connect the power supply to the corresponding terminals of the steam generator as per connec-
tion diagram for the 9 kW or 18 kW model.
Connect the external control unit to the corresponding terminals as per connection diagrams
shown on the pages 19 and 20.
The wires for control unit connection are potential free, except for the protective conductor.
Water level probe
The water level is controller by a water level probe, which is mounted at
the top lid of the water tank.
Make sure that level probe rod sticks out from the water tank at 60 mm as
shown on the image.
Pic. 7
heigh
t
of
the
w
at
er
lev
el pr
obe r
od
Pic. 8
