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42 System diagram 0020234155
122 System diagram book multiMATIC 0020200783_02
42 System diagram 0020234155
42.1 System diagram limitation
A
: The heat pump's heat output must be adjusted such that
it is appropriate for the size of the domestic hot water cylin-
der's pipe coil.
B
: The flow rate for the connected heat generator must be
adjusted to the hydraulic module.
C
: The VWZ AI expansion module is integrated into the
complete heating and hot water module.
42.2 Terminal assignment
42.2.1 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
S8: External heating demand for heating circuit
42.2.2 uniTOWER complete heating and hot water
module terminal assignment
AF: Outside temperature sensor
MA2: Circulation pump
UV1: Hot water generation diverter valve
42.3 Required settings in the controller
System diagram: 8
Config.: VR71: 3
Multi-funct. output 2: Circ. pump
HEATING1 / Type of circuit: Heating
HEATING1 / Room temp. mod.: Temp. mod. or Thermost.
HEATING1 / Cooling possible: Yes
HEATING1 / Dew point monitoring: Yes
HEATING2 / Type of circuit: Heating
HEATING2 / Room temp. mod.: Temp. mod. or Thermost.
HEATING2 / Cooling possible: Yes
HEATING2 / Dew point monitoring: No
HEATING3 / Type of circuit: Pool
HEATING3 / Target flow temp.: Day: 40 - 50 °C
HEATING3 / T.fl.temp.: Set-back: 0 °C
HEATING3 / Max limit outs.temp.: 15 - 40 °C
ZONE1 / Zone activated: Yes
ZONE1 / Zone assignment: VRC700
ZONE2 / Zone activated: Yes
ZONE2 / Zone assignment: VR91 ad.1
Basic settings / Operating mode / Pool / Heating: Day
122


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  • na wyswietlaczu pojawil sie znak kólka z wykrzyknikiem i komunikat " polaczenie rekuperator" Submitted on 28-8-2022 at 11:32

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