Connecting The Steam Bath Control To The Nordmann At4 D - Nordmann Engineering AT4D Instructions D'installation Et D'exploitation

4.5

Connecting the steam bath control to the Nordmann AT4 D

Observe and comply with the notes in the installation and operating
instructions of the steam generator Nordmann AT4 D and the local
regulation regarding electrical installation when connecting the steam
bath control to the steam generator Nordmann AT4 D!
DANGER!
Before connecting the external steam bath control to the steam
generator Nordmann AT4 D set the steam generator out of operation
and disconnect it from the mains!
CAUTION!
The electronic components inside the steam generator are very sensitive
to electrostatic discharge. When the unit is open for installation work, ap-
propriate measures must be taken to protect these components against
damage caused by electrostatic discharge (ESD protection).
1. Remove front panel of the control compartment of the Nordmann AT4 D.
2. Insert the four-core wire from the bottom via a cable gland into the control
compartment. Then, connect the cable to the connecting terminal X15
on the power board according to the wiring diagram below.
Connecting terminal
Touch Panel
D1 (+)
D0 (–)
GND
V+
3. Attach a jumper on JP1, JP4 and JP5 (if not yet attached).
4. Remount front panel to the control compartment.
5. Put Nordmann AT4 D into operation.
6. Assumed the cabling is correct the standby operating display is shown
on the touch panel after start-up of the Nordmann AT4 D (see chapter
5.1) or if the Nordmann AT4 D is not configured correctly the Modbus
error message appears in the display (configuration see chapter 4.6).
Danger of electric hazard!
J2
D+ D– GND 5V 24V
REMOTE
Nordmann
AT4 D
Power board
39