Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual page 118

10 | LAN adapter
To connect the electricity meter
Installer reference guide
118
Requirements:
Item
Type
Possible number of pulses
Pulse duration Minimum On time 10 ms
Minimum OFF time 100 ms
Measurement type
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
1N~ 2CMA100152R1000 B21 212-100
3N~ 2CMA100166R1000 B23 212-100
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
1 Top panel
2 User interface panel
3 Front panel
4 Main switch box cover
2 Connect the electricity meter to LAN adapter terminals X2A/1+2.
Pulse meter (5 V DC pulse detection)
▪ 100 pulse/kWh
▪ 1000 pulse/kWh
Depends on the installation:
▪ 1N~ AC meter
▪ 3N~ AC meter (balanced loads)
▪ 3N~ AC meter (unbalanced loads)
ABB reference
"7.2.2 To open the indoor
Specification
4
unit" [ 62]):
1
4
EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04
2
3