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LAN adapter
Installer reference guide
113
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
Requirements:
Item
Specification
Type
Pulse meter
(5 V DC pulse detection)
Possible number of pulses
▪
100 pulse/kWh
▪
1000 pulse/kWh
Pulse duration
Minimum On time
10 ms
Minimum OFF time 100 ms
Measurement type
Depends on the installation:
▪
1N~ AC meter
▪
3N~ AC meter (balanced loads)
▪
3N~ AC meter (unbalanced loads)
INFORMATION
It is required that the electricity meter has a pulse output that can measure the total
energy injected INTO the grid.
Suggested electricity meters
Phase
ABB reference
1N~
2CMA100152R1000 B21 212-100
3N~
2CMA100166R1000 B23 212-100
To connect the electricity meter
NOTICE
To prevent damage to the PCB, it is NOT allowed to connect the electrical wiring with
the connectors already connected to the PCB. First connect the wiring to the
connectors, then connect the connectors to the PCB.
1
Open the following (see
"7.2.2 To open the indoor unit"
1
Top panel
3
1
2
4
2
User interface panel
3
Front panel
4
Main switch box cover
2
Connect the electricity meter to LAN adapter terminals X2A/1+2.