Logamatic EMS RC35 user interface - Subject to technical modifications. 23
Commissioning
5
5.7 Operating tips
Devices on the EMS bus
In a bus system, only one device can carry out the calculations for a heating zone. Therefore only
one RC35 can be installed in a heating system. If additional room controllers are needed, they are
installed as remote control units with a designated heating zone (Æ page 28).
Thermostatic radiator valves in the reference room
With room temperature control, thermostat valves do not need to be installed on the radiators in the
reference room
1)
. If there are thermostatic radiator valves in the reference room, they must be fully
open at all times.
Pump anti-seize Feature
In all operating modes, all heating zone pumps are switched on for 10 seconds every Wednesday
at 12 noon to prevent pump damage. The mixing valves are then set to “OPEN” for 10 seconds and
then to “CLOSE”. After 10 seconds, all pumps and mixing valves then return to their normal,
regulated operation.
1) Room in which an RC35 is installed.
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