Technical data

190
Connection and wiring diagrams – Vitocontrol-S, VD2/CT3/CM2
Line voltage motherboard
sÖ Heating circuit pump
sA DHW pump (accessory)
sK DHW recirculation pump
sL Shunt or supply pump
fÖ Power supply
gÖ Compiled/central failure alarm
gS Control of constant return
temperature
aBH Power supply for accessories
F Fuse
K2-K7 Relays
S1 ON/OFF switch 8
5351 340 v1.4
F 6.3A
(slow)
250V