Vaillant geoTHERM SERIES Instalační manuál stáhnout pdf (Strana 30)

Installation instructions geoTHERM VWS/VWW 0020057444_0130

6.6 Controller PCB at a glance

L L L L L 1 L N N N N N 2 N 2 1 2 1 L N

2 3 4 5 S CH 6 7 8

A SB

N N A uf Z u L N 1 2 1 2 1 2 1 2 1 2 1 2

DCF O T AF

- +

A uf Z u

N L

SK 2 -P

N L

HK 2 -P HK2 VF2 RF1 VF1 SP BUS DC F / AF E VU 1xZP L P /UV 1

2 3 4 5 6 7 8 9 10 11 12 13 14

33 32 31 30 29 28 27 26 25 24

Fig. 6.6 Controller PCB

Key to Fig. 6.6

Upper connection terminals

1 <ZH> Electric auxiliary heating

2 LP / UV 1 3-port diverter valve for hot water generation

3 <ZP> Circulation pump for hot water

4 <SK2-P> VWW only: Well pump contactor

5 <HK2-P> External (second) heating circuit pump

6 <HK2> 3-way mixer valve

7 VF2 External flow sensor

8 RF1 Buffer cylinder base temperature sensor

9 VF1 Buffer cylinder head temperature sensor

10 SP DHW cylinder temperature sensor

11 BUS eBUS

12 DCF / AF Outside temperature sensor + DCF signal

13 EVU EVU contact (supply interruption, ripple control sig-

nal from power company)

open: compressor operation permitted

closed: compressor operation blocked

14 1xZP Contact for non-recurring request for the

circulation pump, e. g. via pushbutton

PCB components

15 eBUS/vrDIALOG

16 eBUS address rotary switch, set to "1" (factory setting)

17 Fuse T 4A/250 V

18 Check LED for power supply (lights green if OK)

19 Fuse T 4A/250 V for brine pump

20 Monitoring of compressor phase sequence

21 Controller plug (User Interface)

22 Sensor connection plug 1

23 Sensor connection plug 2

Lower connection terminals

24 ASB Starting current limiter

25 8 Compressor contactor

26 7 Pressure switch

27 6 (not connected)

28 SCH Accessory - brine pressure switch (VWW: Flow switch)

29 5 Brine pump (VWS only)

30 4 Voltage supply

31 3 Internal heating circuit pump

32 2 unused

33 1 unused

The controller PCB has a protective cover plate which

has cut-outs for the eBUS/vrDIALOG (Item 15) connec-

tion, as well as for the power supply LED (Item 18).

The cover plate must be removed to change the fuses,

Items 17 and 19.

6 Electrical installation

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 91 92

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