Vaillant geoTHERM SERIES Manuel d'installation Page 88

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Installation instructions geoTHERM VWS/VWW 0020057444_0188
Electrical circuit diagram - VWS
1
LL LL L1 LNNNN N2 N21 21NL
23 45SCH 678
ASB
NNAufZuL N 12 12 12 12 12 12
DCF OT AF
- +
AufZu
ZH
NL
ZP
NL
SK2-P
NL
HK2-P HK2 VF2 RF1 VF1 SP BUS DCF/AF EVU 1xZPLP/UV 1
L3 L2 L1 L3 L3L3 L2 L1N N N N S S AZN
L2 L1L3N
T1
ABB A12-30-01
T1 T2 T3
A2A1
L1 L2 L3
L3 L2 L1 L3 L2 L1
black
yellow
yellow
red
black
brown
grey
red
orange
orange
brown
brown
brown
grey
black
blue
yellow-green
yellow-green
yellow-green
yellow-green
yellow-green
yellow-green
blue
blue
blue
blue
blue
blue
grey
grey
grey
grey
grey
orange
orange
grey
brown
brown
brown
brown
brown
black
black
black
black
black
black
blue
white
white
brown
PE N L3 L2 L1
Main power inlet
3 x 400 V PE N
Electric
auxiliary
heating
vrnetDIALOG
(optional)
Links for
starting current limiter
Safety
thermostat
(STB)
Heating pump
Brine pump
High pressure
switch
Low pressure
switch
Temperature sonsors
Pressure sensors
Fuse
T4A/250 V
Fuse
T4A/250 V
Phase
monitoring
Heating switching valve
(Internal)
Heating/hot water
switching valve
(Customer side)
Brine
pressure
switch
(Customer
side)
Fig. 3, Appendix, Electrical circuit diagram - VWS
Appendix
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