Connecting Room Thermostat; Connecting Modulating Opentherm Thermostat; Connecting On/Off Volt Free Tpi Room Thermostat; Connecting 230V Room Thermostat - Intergas Xclusive 24 Installation Manual

7.5

Connecting room thermostat

The boiler is suitable for connection to the following room
thermostats:
► OpenTherm (OT) thermostat/Intergas Comfort Touch
► On/off thermostat (TPI)
► RF thermostat; see §9.1.4.
7.5.1

Connecting Modulating OpenTherm thermostat

The boiler is supplied with an OpenTherm connection X13 1/2 .
This allows the connection of the Intergas Comfort Touch as
well as other modulating OpenTherm thermostats without
any additional modifications. The Xclusive is also suitable for
OpenTherm Smart Power.
► Position the thermostat in a room that functions as a
reference point (in general, the living room or hall).
► Remove the link and connect the modulating thermostat to
terminals 1/2 X13 (also see §12.1); the polarity of the wires
is not important in this situation.
If you would like to make use of the *domestic hot water on/
off switch function of the OpenTherm thermostat, the DHW
comfort function must be set to 'eco' or 'on' (see §9.1.2) and
parameter P074 must be set to 0.
*Dependant on model type and availability for further
information, consult the manufacturers instructions for the OT
room thermostat installed.
7.5.2

Connecting on/off volt free TPI room thermostat

The boiler is suitable for connection to a 2-wire on/off room
thermostat.
► Position the thermostat in the room that functions as a
reference point (in general, the living room or hall).
► Remove the link and connect the TPI room thermostat to
Connector 1/2 X13 (also see §12.1); the polarity of the wires
is not important in this situation.
►
7.5.3

Connecting 230V room thermostat

This should be wired to connector X3 1/2.
► Position the thermostat in the room that functions as a
reference point (in general, the living room or hall).
► Connect the 2-wire room thermostat to terminals 1/2
X3 (also see §12.1); the polarity is not important in this
situation however terminal 1 (L) is the supply from the PCB
90 to 230v ac, terminal 2 (S) is the demand signal from the
room thermostat to the boiler.
IMPORTANT (HIGH VOLTAGE)
►
If both OpenTherm and on/off TPI
thermostats are connected, the on/off
TPI thermostat will have priority over the
OpenTherm thermostat.
Isolate the appliance from the electrical
supply before connecting the thermostat.
On
O
Remove the yellow link
wire prior to connecting
the room thermostat
Connecting Intergas Comfort Touch,
OpenTherm and/or on/off volt free TPI
room thermostat
2
S
2
X4 X3 (230V)
Connecting 230V room thermostat
2 1
2 1
X13
On
O
1
L
1
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