Vaillant Mixer module VR 61 Manual de instalación descargar pdf (Pagina 5)

5Operating and installation manual for VR 61 mixer module

4 Incorporation of the VR 61 in

the heating system

The application possibilities of the mixer module VR 61

are shown in the four hydraulic diagrams.

In each case these are maximum configurations.

Some of the components can be optional.

Hydraulic drawing 1

– an uncontrolled heating circuit

– a controlled heating circuit (controlled 3 way valve)

– circulation pump for hot water controlled by VR 61

– hot water via VUV (priority changeover valve)

Hydraulic drawing 2

– an uncontrolled heating circuit

– a controlled heating circuit (controlled 3 way valve)

– circulation pump for hot water controlled by VR 40

– charging pump for storage tank controlled by VR 61

Hydraulic drawing 3

– an uncontrolled heating circuit

– a controlled heating circuit (controlled 3 way valve)

– circulation pump for hot water controlled by VR 61

– charging pump for storage tank controlled by heating

equipment

Hydraulic drawing 4

– two uncontrolled heating circuits (controlled by motor

valves)

– heating pump integrated in the heating equipment

– circulation pump for hot water controlled by VR 40

– hot water controlled by motor valve via VR 61

The following conventions apply to the hydraulic

drawings:

Lines:

Representation Meaning

eBUS line twin core

Sensor line low voltage

Control line 230 V~

Heating feed

Heating return

Hot water feed/return, infeed

Table 4.1 Line representation in the hydraulic drawings

Designations:

Description Meaning

AF External sensor (VRC 693 or VRC 9535)

HK1-P Pump for heating circuit 1

HK2-P Pump for heating circuit 2

HK2 Mixer valve for heating circuit 2 (controlled)

LP Charging pump for storage tank

SP 1 Storage probe (VR10)

VF 1 Feed sensor 1 (VR 10)

VF 2 Feed sensor 2 (VR 10)

VR 40

Additional module (integrated in heating

equipment)

VR 81 Remote control unit

VRC 9642 Maximum thermostat, accessories

ZP Circulation pump for hot water

Table 4.2 Designations in the hydraulic drawings

Incorporation of the VR 61 in the heating system 4

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Vaillant Mixer module VR 61 Manual de instalación Pagina 5

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