Connect Room Thermostat - Rotex GW-30 C22 Instrucciones De Instalación

5.4

Connect room thermostat

5.4.1 Room thermostat on/off
1. Connect the room thermostat (see par. 10.1).
2. If necessary, set the feedback resistance of the room thermostat to 0.1 A. If unsure,
measure the electrical current and set it accordingly.
The maximum resistance of the thermostat pipe and the room thermostat amounts to a
total of 15 Ohm.
5.4.2 Modulating room thermostat, Open Therm
The unit is suitable for connecting a modulating room thermostat, in accordance with
the OpenTherm communication protocol.
The most important function of the modulating room thermostat is to calculate the input
temperature at a required room temperature, in order to make optimal use of the
modulating. At every heating request, the required input temperature is shown on the
display of the unit.
Connect the modulating thermostat (see par. 10.1).
If you want to use the tap water on/off switch function of the OpenTherm thermostat, the
tap water comfort function must be set to eco or on.
For more information, consult the manual of the room thermostat.
5.4.3 Modulating room thermostat, wireless
The RKOMBG*AAV1 CH boiler is suitable to communicate wireless without
sending/receiving module with the Honeywell room thermostats T87RF1003 Round RF,
DTS92 and CMS927. The CH boiler and the room thermostat must be appointed to each
other:
• Press the reset
button of the unit for approximately 5 seconds to access the RF room
thermostat menu.
• One of the following codes will be shown on the display of the unit:
L / -
1. rF and : the display above the
red led : flashing
The CH boiler has not been appointed. A unit in this operating status, can be linked
by using the method of the appropriate room thermostat.
The method of appointment depends on the type of room thermostat and is
described in the installation and operating instructions of the wireless room
thermostat.
2. rF and L / 1 : the display above
red led : off
The CH boiler has already been appointed. There is already an existing link with
an RF room thermostat. In order to allow a new link to be made, the existing link
will have to be removed.
See: Undo the appointment of an RF room thermostat to the CH boiler.
• Press the reset
button to leave the RF room thermostat menu or wait for 1 minute.
Testing the connection between the unit and the RF room thermostat
1. Press the reset button of the unit for approximately 5 seconds to access
the RF room thermostat menu of the boiler controller.
2. Press the service button 1x. On the display above the
will be shown.
3. Set the room thermostat to the test mode (see the installation and operating
instructions of the room thermostat).
4. The red led above the reset
been carried out correctly.
5. Press the reset button of the unit to leave the RF room thermostat menu
of the boiler controller. You will automatically exit the test mode 1 minute
after the last test message of the RF room thermostat has been received.
Undo the appointment of an RF room thermostat to the CH boiler.
•
Press the reset button of the unit for approximately 5 seconds to access
the RF room thermostat menu of the CH boiler.
•
Press the service button 2x. On the display above the
will be shown.
L
button shows an alternated by
button shows an L alternated by a 1
button, a
button will flash if the appointment has
button, a
a –
t
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