Tuxhorn tubra-eTherm, Manual

Page: 70 / 124

en
6
Installation
Indications,
functions and options
Messages
Commissioning
Operation and function
3 Installation
3.1 Mounting
WARNING! Electric shock!
Upon opening the housing, live parts are exposed!
Î
Always disconnect the device from power supply
before opening the housing!
Note
Strong electromagnetic fields can impair the function of the device.
Î Make sure the device as well as the system are not exposed to strong
electromagnetic fields.
The devices must only be located in dry and dust-free interior rooms.
The controller must additionally be supplied from a double pole switch with contact
gap of at least 3 mm.
Please pay attention to separate routing of sensor cables and mains cables.
Step-by-step installation:
ATTENTION!
Damage by overheating!
Commissioning the power stages in a system electrically con-
nected, but not hydraulically filled can lead to damage caused by
overheating!
Î Make sure the hydraulic system is filled and ready for
operation.
Î Make sure the hydraulic system is filled and ready for operation.
The controller and the power unit are integrated in the electrothermal station.
Î Mount the measuring unit 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 measuring unit and the energy meter.
Î Connect the current sensors and the conductors of the measuring unit in
phase directly at the energy meter (see page 7).
Î Connect the measuring unit with the tubra ® -eTherm by means of the VBus ®
(see page 7 and page 9).
Î Establish the power supply of the controller (see page 9).
Î Run the commissioning menu (see page 16).
Î
Carry out the desired adjustment in the controller menu (see page 19).
3.2 Electrical connection
WARNING! Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply
before opening the housing!
ATTENTION! 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!
Do not use the devices if they are visibly damaged!
The power unit 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.
The controller is supplied with power via the power unit.
Controller
N ⏚ L1
Measuring unit
Power unit
VBus ® VBus ®