System Installation Instructions - Vaillant 0020180635 Notice D'installation

System installation instructions

1 System 0020180635
VWS 36/4.1 230V with gas-fired boiler, 2-zone module, VRC 700 and VR 91
Caution.
Risk of material damage caused by incomplete installation.
This drawing is a basic representation and does not replace complete planning. This drawing does not
contain all of the required valves and safety fittings for a complete installation.
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Observe the applicable national and international laws, standards and guidelines.
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When planning, installing and subsequently operating this system, you must observe all the install-
ation and operating instructions available for the product, the relevant accessories and for any other
component.
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The responsibility for design lies with the responsible company.
1.1 Basic hydraulic diagram 0020180635
1 Heat generator
2 Heat pump
3e Circulation pump
5 Monovalent domestic hot water cylinder
7i 2-zone module
8a Expansion relief valve
8b Potable water expansion relief valve
Safety group – drinking water connection
8c
8e Heating diaphragm expansion vessel
Diaphragm expansion vessel – potable water
8f
0020251826_01 System installation instructions
System 0020180635 1
9a Single-room temperature control valve (thermo-
static/motorised)
9b Zone valve
9c Flow regulator valve
9d Bypass valve
9h Filling/draining cock
9j Tamper-proof capped valve
9k 3-port mixing valve
10c Non-return valve
12 System control
12a Remote control unit
1