Electrical Connection - Tuxhorn tubra-eTherm S Manuel D'installation

Step-by-step installation:
Damage through overheating!
ATTENTION!
Commissioning the immersion heater in a system electrical-
ly connected, but not hydraulically filled can lead to damage
caused by overheating!
Î Make sure the hydraulic system is filled and ready for
operation.
1. Make sure the store is filled and ready for operation.
2. Mount the sensor module on a DIN rail in the domestic distribution board
as close as possible to the energy meter. Make sure that no load is installed
between the sensor module and the energy meter.
3. Connect the current sensors and the conductors of the sensor module in
phase directly at the energy meter (see page 11).
4. Connect the sensor module with the DeltaTherm
(SM) (see page 9 and page 12).
5. Establish the power supply of the controller (see page 12).
6. Run the commissioning menu (see page 17).
7. Carry out the desired adjustments in the controller menu (see page 22).
3.2

Electrical connection

WARNING!
ATTENTION!
PV by means of the bus
®
Do not use the devices if they are visibly damaged!
The controller is supplied with power via a mains cable. The power supply of the
device must be 100 – 240 V~ (50 – 60 Hz). The cross section of the cable must be
2.5 mm².
Controller with power unit
⏚ N L
Immersion heater
Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply
before opening the housing!
ESD damage!
Electrostatic discharge can lead to damage to electronic com-
ponents!
Î Take care to discharge properly before touching the
inside of the device! To do so, touch a grounded sur-
face such as a radiator or tap!
Note
The connection to the power supply must always be the last step of the
installation!
Note
Use a shielded cable with a cross section of 3 x 2.5 mm² for connecting
the electric immersion heater, see page 12.
The cable length must not exceed 5 m.
Sensor module
Bus
⏚ N L
Mains
9