Basic Documentation

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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies 9 Heating circuit control 2017-09-29
Since the Synco™200 controllers do not use the Precomfort mode, an automatic
change from Precomfort to Comfort mode will be made. This setting can be changed to
suit individual needs.
The adjustable values previously listed under "Settings" have the following meaning:
Value set
State of relay R1
State of relay R2
---
Normal position
Normal position
R1
Operating position
Normal position
R2
Normal position
Operating position
R1+R2
Operating position
Operating position
The Outputs menu shows the state of the operating mode relays:
Main menu > Heating circuit 1 (or 2 or 3) > Outputs
Operating line
Current state
Operating mode relay 1 Off or On
Operating mode relay 2
Off or On
9.3.6 Plant operation
Plant operation indicates whether the heating circuit is switched on and whether the
pump operates.
Main menu > Heating circuit 1 (or 2 or 3) > Plant operation
Operating line
Range
Factory setting
Preselection
Auto / Off*
Auto
State
On / Off
Cause Commissioning /
Frost protection for the room /
Heating limit switch /
Cooling active /
Room temp limitation max /
Optimum stop control /
Quick setback /
Quick setback + optimum stop /
Optimum start control /
Boost heating /
Boost heating + opt start /
User request room /
User request external /
Overtemperature protection /
overrun /
Plant operation selector /
No request/
Frost protection for the flow /
Frost protection for the plant
* Frost protection functions are ensured
The heating circuit can be switched off for service purposes. The mixing valve will close
and the heating circuit pump will be deactivated on completion of pump overrun. When
preselecting "Off", the internal frost protection function remains active.
After completion servicing, the selector must be
set back to .
The boiler’s state is indicated (On / Off).
It is indicated why the current state is active.
Meaning of
adjustable values
Display values
Plant operation
Preselection
State
Cause