REMEHA Avanta Plus 24s, Installation And Service Manual

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23
X9
Terminal
Block X9
Modulating - using Open Therm control
eg: Honeywell Chronotherm or Celcia 20
On / Off - using simple volt free switching control
1
2
3
4
5
6
7
8
Exist
links
LT.AL.W7H.000.028
2.7.4 Modulating control – room or outside compensation
2.7.3 Connecting a 230 V time clock in combination with
a modulating room control
With an externally mounted simple 230 V switching time clock
connected to connectors on X2 terminal strip and a Celcia 15
connected to connectors 7 and 8 of X9 terminal strip (remove
existing link between connectors 7 and 8 before use), the
Remeha Avanta Plus will provide room compensated heating
and time control over CH and DHW (System boiler).
o
An OpenTherm ® room modulating control (Celcia 15) used in
conjunction with a simple external 230 V time clock will
provide easy to set up and operate - timed room compensa-
tion heating
The Remeha Avanta Plus has an OpenTherm
®
interface. This
enables our modulating range of OpenTherm
®
room controls
(e.g. the Remeha Celcia 15 or 20) to be connected without
any further modifications.
•
Mount the control in a reference room (usually the living
room).
•
Connect the two-wire interface cables to connectors 7 and
8 of the X9 terminal strip (remove existing link between
connectors 7 and 8 before use).
• When using the Celcia 20 it is possible to add the outside
sensor to provide weather compensation with room adjust-
ment. Connect the outside sensor to connectors 1 and 2 of
the X9 terminal strip.