6 Terminal block, hot water control
9 Terminal block, incoming electric power
13 Terminal block, pumps, high pressure
pressostat
15 Outdoor sensor, connection
21 Terminal block, sensor
22 Connection terminal, immersion heater kit
29 Relay card with power supply unit
30 Terminal block, relay card
31 Terminal block
32 Boiler sensor
36 Terminal block, external units
37 External pressure switch for the collector
88 Temperature sensor, hot water
89 Temperature sensor, WW-out, heating medium
flow
94 Temperature sensor, WW-in, heating medium
return