29
08/06/06 - 300008460-001-B
MCR 24, 24/28 MI, 30/35 MI, 34/39 MI
3.1
ON/OFF room thermostat
1.
Lane 230 V - Intensity in Amperes: 3
2.
Power supply - Neutral
3.
Common alarm (Contact closed)*
4.
Boiler in use (Contact open)*
5.
Neutral
6.
Tap open: DHW
7.
Tap open: Heating
8.
Outside sensor connection
9.
Connecting the tank sensor (Remove bridge)
10.
Boiler blockage input (Remove bridge)
11.
Existing bridge
12.
Cable
BUS
: AD 221 or AD 222 (Remove bridge)
13.
Not connected
14.
Switch: Domestic hot water (To use this function, remove the
bridge between terminals 4 and 3)
15.
Existing bridge. To be used when room thermostat is connected.
16.
Switch: Heating (To use this function, remove the bridge between
terminals 4 and 1)
*Depending on parameter settings
: Existing bridge
: Cable
BUS
: AD 221 or AD 222
MCR boilers can be connected to a 2-wire on/off room thermostat.
Choose a location in a "reference" room
representative of the
room temperature to be taken into account if the remote control is
used as a room sensor.
Connect terminals 7 and 8 on the thermostat to the terminals on
connector X9.
If you are using a room thermostat with anticipation resistance,
parameter
P5
must no longer be defined as
0
but as
1
.