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22
210
B
A
530
C
Electrical case :
A - Main.
B - Heating electrical backup.
C - DHW supply.
9 - Pressure sensor
10 - Valve
12 - Circulating pump
13 - Flowmeter
14 - Safety valve
22 - Automatic bleeder valve
533
50
410
145
54
410
13
402
532
10
61
50 - Expansion vessel
53 - Distribution valve
54 - Pressure gauge
61 - DHW electrical backup
145 - Drain valve
210 - Buff er tank
Sensors :
530 - DHW temperature sensor.
400 - Main supply terminal block
402 - DHW terminal block
410 - Relay
532 - DHW safety thermostat
533 - Electrical backup safety thermostat
400
14
22
53
12
9
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