Vaillant Mixer module VR 61 Manual de instalación descargar pdf (Pagina 9)

9Operating and installation manual for VR 61 mixer module

4.4 Hydraulic drawing 4

Fig. 4.4 Hydraulic drawing 4

– two uncontrolled heating circuits, Zone and Zone 2,

(switched 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

Attention!

If the installation, assembly or configuration is

incorrect frost-damage to the heating system

may occur.

In order to ensure frost protection and

comfortable operation of the two uncontrolled

heating zones, Zone 1 and Zone

2on hydraulic diagram therefore, the remote

control unit VR 81 must also be installed (VR

81 monitors e.g. Zone 2, the controller

VRC 430 Zone 1).

In the operating level for the expert technician

(see Section 7.2) "Thermostat" must be

selected in each case on the display screens C8

and C10 with room control.

Note!

The designations HK1-P, HK2-P and LP in the

hydraulic drawing 4 repeat the terminal

allocations on the VR 61.

The control lines of the motor valve for both the

heating circuits are connected to the terminals

HK1-P and HK2-P of the VR 61.

The control line of the motor valve for hot water

is connected to the terminal LP of the VR 61.

Note!

Observe on hydraulic drawing 4 the required

configuration with the aidof the installation

assistant (see also Section 7.1):

The heating circuit type HC2 "Zone" must be

selected on display screen A2.

On the relay output ZP/LP "LP“ must be

selected on display screen A3.

VR 40

VRC 430VR 81

HK1-P

230 V ~

VR 61

HK2-P

AF (VRC 693,

VRC 9535)

SP 1 (VR 10)

Incorporation of the VR 61 in the heating system 4

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Vaillant Mixer module VR 61 Manual de instalación Pagina 9

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