Daikin Altherma EHVZ-CB3V Installation Manual page 22

8 Technical data
2 Space heating – water IN (additional/direct zone)
3 Space heating – water OUT (main/mixed zone)
4 Space heating – water IN (main/mixed zone)
5 Domestic hot water: hot water out
6 Domestic hot water: cold water in
7 Shut-off valve with drain/fill valve
8 Shut-off valve
9 Flow sensor
10 3-way valve (space heating/domestic hot water)
11 3-way valve (mixing valve for the main/mixed zone)
12 Water filter (additional/direct zone)
13 Water filter (main/mixed zone)
14 Pump (additional/direct zone)
15 Pump (main/mixed zone)
16 Backup heater
17 Safety valve
18 Plate heat exchanger
19 R1T – Outlet water heat exchanger thermistor
20 R2T – Outlet water backup heater thermistor
21 R3T – Thermistor (heat exchanger, liquid pipe)
22 R4T – Inlet water thermistor
23 R5T – Tank thermistor
24 R7T – Water outlet thermistor (main/mixed zone)
26 Expansion vessel
27 Air purge
28 Check valve
29 Capillary tube
Screw connection
Flare connection
Quick coupling
Brazed connection
Installation manual
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EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1E – 2018.02