25
Connecting the cylinder temperature sensor
Connect the cylinder temperature sensor to terminals
E
. See page 23.
Connecting the DHW circulation pump
Note
Connect DHW circulation pumps to EM-P1 extension
(ADIO). Configuration via software tool.
Connect DHW circulation pumps with standalone func-
tions directly to the 230 V
∼
supply.
Specification
Rated current
1 A
Rated voltage
230 V ~
Floating switching contact connection
Connection at plug
lH
One
of the following functions can be connected:
■
"0"
No function or room thermostat
■
"2"
DHW circulation pump external demand (push-
button function, pump runs for 5 min). Not for
Vitodens 111-W
■
"4"
External demand
■
"5"
External blocking or alternatively connection for
external heating circuit hook-up (if no more than one
heating circuit hook-up is configured on commission-
ing. If more than one heating circuit hook-up is
required, connect to EM-EA1 accessory)
A
lH
N 1 L
B
Fig. 16
A
Floating contact
B
Plug
lH
Assigning functions in the commissioning assis-
tant
See commissioning assistant in "Commissioning".
Information on connecting PlusBus subscribers
As a maximum, the following PlusBus subscribers can
be connected to the control unit:
■
One EM-M1 or EM-MX extension (ADIO electronics
module)
■
One Vitotrol 200-E
■
One EM-EA1 extension (DIO electronics module)
■
One EM-S1 extension (ADIO or SDIO/SM1A elec-
tronics module)
■
One EM-P1 extension (ADIO electronics module)
Note
The number of PlusBus subscribers is limited: Max.
one Vitotrol 200-E plus a maximum of 3 additional
extensions, e.g. EM-M1 or EM-EA1.
Example:
1 x Vitotrol 200-E + 1 x EM-M1 + 1 x EM-EA1.
If no Vitotrol 200-E is connected, 4 extensions can be
connected.
The max. total length of the PlusBus lead is 50 m.
With an unscreened lead, 2-core, 0.34 mm
2
.
Installation sequence
Electrical connections
(cont.)
6167586
Installation
