Table of Contents
Advertisement
• Then insert the connection lines through the cable
openings (2) into the electronic box and cut them to
length.
1
2
Fig. 5.12 Opening the switchgear box rear wall
Fig. 5.13 Example for cable routing
• Remove the insulation over a length of 2 - 3 cm and
insulate the cores.
• Connect the connection cable in accordance with
Table 5.2 and Fig. 5.13 to the relevant screwed termi-
nals in the electronic system.
a
Caution!
Do not connect mains voltage to the terminals
7, 8, 9! Danger of destroying the electronics!
ecoTEC exclusive installation and maintenance instructions / 0020017768_02
- + 7 8 9
L N
3 4 5
- + 7 8 9
L N
3 4 5
h
Note!
There is no provision set in the factory for
connection of an installation thermostat for
underfloor heating.
h
Note!
Make sure that the connection cables are
securely fastened in to the screw terminals.
5.10.3 External electrical controllers (non eBUS)
The boiler connections 3, 4 and 5 serve for the connec-
tion of external controllers, for example a timer and/or
a room thermostat. The connections 3 and 4 are con-
nected to each other in the factory. If external control-
lers are used, this connection must be removed and the
controllers must be connected to connections 3 and 4.
The connection 5 is an additional neutral line for exter-
nal neutral lines, for example for the sensor of a room
thermostat.
Installation 5
17
Advertisement
Table of Contents
