De Dietrich VM iSystem AD281 Installations- Und Wartungsanleitung Seite 26

2. Installation
EN
Connecting the BUS cascade
BUS cable - Package AD124 / AD134 / DB119
Remote control (Circuit C) - Package AD254 / AD285
CDI C O
CDI B / CDR Remote control (Circuit B) - Package AD254 / AD285
Radio remote control - Circuit B/C - Package AD253 /
AD284
Outlet sensor circuit C - Package AD199
kC C
Outlet sensor circuit B - Package AD199
kC B
24
4 The recommendations in the instructions.
Germany: Power the appliance via a circuit which includes a remote
omnipolar switch with a gap of more than 3 mm.
The available output per outlet is 450 W (2 A, with cos j = 0.7) and the
inrush current must be lower than 16 A. If the load exceeds either of
these values, the control must be relayed using a contactor that must
not be installed in the control panel under any circumstances.
2.2.2.
1. Unscrew the 2 screws.
2. Open the protective hood.
C003571-B
2.2.3.
CDI C CDI B/ C
CDR
CAUTION
Separate the sensor cables from the 230 V cables.
4
Use 2 pipes or cable guides at least 10 cm apart.
4
Keep to the polarity shown on the terminals: phase (L),
4
neutral (N) and earth *.
CAUTION
Failure to comply with these instructions could lead to
interference and control unit malfunctioning or even
damage to the electronic circuitry.
Access to the connection terminal
Description of the connection terminal block
0V +
B
S.SYST BF AF
S.SYST
r BF
I AF
0-10 V / E.TEL Inlet 0-10 Volts
OT
VM iSystem - AD281
0-10V/
OT
E.TEL
C003730-A
System sensor - Package AD250
DHW sensor - Package AD212
Outside sensor - Package FM46
Outside radio-controlled temperature
sensor - Package AD251
voice remote monitoring module -
Package AD152
OpenTherm
11/10/2017 - 300027106-001-02
(0450281003)