System diagram 0020212731 39
0020200783_02 multiMATIC System diagram book 113
39 System diagram 0020212731
39.1 Terminal assignment
39.1.1 VR 71 main expansion module terminal
assignment
R1: Heating pump
R2: Heating pump
R3: Heating pump
R7/8: 3-way mixer
R9/10: 3-way mixer
R11/12: 3-way mixer
S1: System temperature sensor
S2: Flow temperature sensor
S3: Flow temperature sensor
S4: Flow temperature sensor
39.2 Required settings in the controller
System diagram: 1
Config.: VR71: 3
HEATING1 / Type of circuit: Heating
HEATING1 / Room temp. mod.: Temp. mod. or Thermost.
HEATING2 / Type of circuit: Heating
HEATING2 / Room temp. mod.: Temp. mod. or Thermost.
HEATING3 / Type of circuit: Heating
HEATING3 / Room temp. mod.: Temp. mod. or Thermost.
ZONE1 / Zone activated: Yes
ZONE1 / Zone assignment: VRC700
ZONE2 / Zone activated: Yes
ZONE2 / Zone assignment: VR91 ad.1
ZONE3 / Zone activated: Yes
ZONE3 / Zone assignment: VR91 ad.2