GV 640 Service Manual 43
For internal use only
6.2 Power module
Components may be electrostatic!
Observe handling regulations!
6.3
Connections
1 TH401 = Water diverter
2 TH403 = Reserve
3 TH404 = Heat exchanger drain valve
4 TH405 = Regeneration valve 11 K303 = heater
5 TH402 = Filling valve 12 K301 = heater
6 K201 = Circulation pump change-over relay
7 K202 = Discharge pump change-over relay
8 T412 = Dispenser coil
9 Varistor, excessive voltage protection
10 K304 = Starting current limiter