Daikin EPRA10EAV3 Installer's Reference Manual page 59

EPRA08~12EAV3+W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07
Setup
Connect the power meter to X15M/5 and X15M/6. See
4
electricity meters" [ 126].
Power meter type
In case of...
▪ Single-phase outdoor unit
▪ Backup heater supplied from a single-
phase grid (i.e. the backup heater
model is *3V or *6V connected to a
single-phase grid)
▪ Three-phase outdoor unit
▪ Backup heater supplied from a three-
phase grid (i.e. the backup heater
model is *9W)
Example
Single-phase power meter
0 0
58 0
1 5 0
a
b
c c c
d e f
A B
A Outdoor unit
B Indoor unit
a Electrical cabinet (L /N)
1
b Power meter (L /N)
1
c Fuse (L /N)
1
d Outdoor unit (L /N)
1
e Indoor unit (L /N)
1
f Backup heater (L /N)
1
Exception
▪ You can use a second power meter if:
- The power range of one meter is insufficient.
- The electrical meter cannot easily be installed in the electrical cabinet.
- 230 V and 400 V three-phase grids are combined (very uncommon), because of
technical limitations of power meters.
6 Application guidelines
|
"9.3.6 To connect the
Use a... power meter
Single-phase
(*3V, *6V (6V): 1N~ 230 V)
Three-phase
(*9W: 3N~ 400 V)
Three-phase power meter
0 0
58 0
1 5 0
a
b
4 5 0
8 9 6
.0 0 5
c d c
e g
f
A B
A Outdoor unit
B Indoor unit
a Electrical cabinet (L /L
1
b Power meter (L /L /L /N)
1 2 3
c Fuse (L /L /L /N)
1 2 3
d Fuse (L /N)
1
e Outdoor unit (L /L /L /N)
1 2 3
f Indoor unit (L /N)
1
g Backup heater (L /L /L
1 2
/L /N)
2 3
/N)
3
Installer reference guide
59