Manual Vaillant multiMATIC VRC 700-4 (page 29 of 128) (English)

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System diagram 0020199565 11

0020200783_02 multiMATIC System diagram book 29

11 System diagram 0020199565

11.1 System diagram limitation

The cylinder temperature limiter, which serves to pre-empt

overheating, must be installed in a suitable location in order

to avoid cylinder temperatures above 100 °C.

11.2 Terminal assignment

11.2.1 VR 70 expansion module terminal

assignment

R1/S7: Solar pump

R2: Heating pump

R3: 3-way valve for increase in return flow

R4: Cylinder charging pump

R5/6: 3-way mixer

S1: Solar yield sensor

S2: Bottom temperature sensor of buffer cylinder

S3: Temperature sensor for a ΔT control system

S4: Temperature sensor for a ΔT control system

S5: Collector temperature sensor

S6: Flow temperature sensor

11.3 Required settings in the controller

System diagram: 2

Config.: VR70 addr. 1: 12

11.4 Required settings in the boiler

Auxiliary relay: Circulation pump

na wyswietlaczu pojawil sie znak kólka z wykrzyknikiem i komunikat " polaczenie rekuperator" Submitted on 28-8-2022 at 11:32
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Others manual(s) of Vaillant multiMATIC VRC 700-4

Vaillant multiMATIC VRC 700-4 Installation Guide - Dutch - 40 pages

Vaillant multiMATIC VRC 700-4 User Manual - Dutch - 28 pages

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Vaillant multiMATIC VRC 700-4 Manual

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