Dometic SMP301-11, Installation And Operating Manual

Page: 11 / 84

EN
SMP301-11 Installing the switch-mode power supply
11
➤
Connect the negative terminal of the consumer unit to the flat plug (any pin)
(fig.
2
10, page 3).
➤
Connect the AC connection cable to the AC connection (fig.
1
7, page 3).
➤
Secure all cables with strain relief clamps (fig.
1
6, page 3).
7.3 Connecting the CI-bus or an external switch
If you want to use the CI-bus or an external switch to operate your floor heating, pro-
ceed as follows:
➤
Connect the CI-bus or the cable of the switch to the CI-bus connector (fig.
2
3,
page 3).
CI-bus connector configuration (Jumper 7)
The CI-bus connector (fig.
2
3, page 3) has 3 pins, which are assigned as follows:
7.4 Changing switching mode
I
➤
Disconnect the switch-mode power supply from the power supply.
➤
Press the two clips (fig.
1
4, page 3) in the direction indicated by the arrows
and lift the cover off (fig.
1
5, page 3).
Switching via CI-bus
➤
Make sure jumpers 6 (fig.
2
5, page 3) and 9 (fig.
2
4, page 3) are not set.
➤
Set jumper 10 (fig.
2
8, page 3).
✓
The switch-mode power supply can now be managed via the CI-bus.
Position Pin assignment
1 Top GNDI (isolated ground) (external control)
2 Middle CI-bus data
3 Bottom 12 V switching voltage (external control)
NOTE
Make sure jumpers 9 (fig.
2
4, page 3) and 10 (fig.
2
8, page 3) are
never activated at the same time. If both jumpers are activated at the
same time, the two switching alternatives via CI-bus and via external 12 V
switching voltage are blocked.
SMP301-11--IOM-7s.book Seite 11 Donnerstag, 21. November 2019 4:58 16