Basic Documentation

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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies 8 Main controller and primary controller 2017-09-29
Main menu > Commissioning > Extra configuration > Main controller > Outputs
Main menu > Commissioning > Extra configuration > Primary controller > Outputs
Operating line
Adjustable values / display / remarks
Mixing valve 3-pos
Mixing valve modulating
Main pump
Only with main controller
Main pump B
Only with main controller
System pump
Only with primary controller
System pump B
Only with primary controller
Heat demand modulating
Only with main controller
Heat demand relay
Only with main controller
Main menu > Commissioning > Extra configuration > Main controller > Inputs
Main menu > Commissioning > Extra configuration > Primary controller > Inputs
Operating line
Adjustable values / display / remarks
Flow sensor
Return sensor
[Main pump] overload
Only with main controller
[Main pump B] overload
Only with main controller
[System pump] overload
Only with primary controller
[System pump B] overload
Only with primary controller
Flow signal pump
Heat request modulating
Heating curve request 2-pos
DHW request 2-pos
Frost prot request 2-pos
Heat requests from other devices can be accepted via bus. In addition, one analog and
3 digital inputs per function block are available for signaling heat requests.
8.3 Controller types
If only a pump or twin pump is configured, the primary controller consists of system
pump control. A control loop is only obtained when configuring a mixing valve (or other
valve) so that the flow can be controlled.
If a main controller with mixing valve is used wi
th a boiler, it must be determined
whether or not flow through the boiler is to be ensured.
Y1
B1
M1
B7
3133S76
3133S77
Y1
B1
M1
B7
B1*
M1
3133S78
B7*
Primary co
ntroller type 1:
With mixing valve or 2
-port valve
Primary controller type 2:
With pump
B1
Flow temperature sensor (* = optional, for display only)
B7
Return temperature sensor (* = optional, for display only)
M1
Main pump / system pump (can be a twin pump)
Y1
Mixing valve or 2-port valve
Outputs
Inputs
Note on the requests