RAM 712 KNX
room thermostat for surface-mounted and flush-mounted installation
theben
Version: Dec-10 (subject to change) Page 26 of 65
Continuation
Designation
Values
Application
Switchover between heating
and cooling
Automatic
RAM 712 automatically
switches to cooling mode
when the actual temperature
is above the set point value.
Via object
The cooling mode can only be
activated on the bus via object
9 (1= cool).
Cooling mode remains off for
as long as this object is not
set.
Output of the cooling
actuating value*
on separate object
(object 8)
For 4-pipe systems:
The heating actuating value is
sent to object 7 and the
cooling actuating value to
object 8.
Together with heating
actuating value (object 7)
For 2-pipe systems:
The actuating value is always
sent to object 7, independent
of whether heating or cooling
mode is active.
* Only when switching between heating and cooling via object.
