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System diagram 0020212729 41
0020200783_02 multiMATIC System diagram book 119
41 System diagram 0020212729
41.1 System diagram limitation
The heat pump's heat output must be adjusted such that it is
appropriate for the size of the domestic hot water cylinder's
pipe coil.
A
: If the heating system's water volume is below the follow-
ing values for the minimum volume of circulating water, a
hydraulic module is required:
Heating
system
VWL 55 VWL 85 VWL 115 VWL 155
Heat output 5 kW 8 kW 11 kW 15 kW
Minimum
volume of
circulating
water
17 l 21 l 35 l 60 l
B
: If using a hydraulic module, the nominal capacity chosen
should be larger than the heat pump's minimum required
volume of circulation water.
41.2 Terminal assignment
41.2.1 VWZ AI heat pump expansion module
terminal assignment
MA1: Zone valve
MA2: Zone valve
41.3 Required settings in the controller
System diagram: 8
Multi-funct. output 2: Zone
HEATING1 / 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
119


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

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