Daikin Altherma ERGA04E V3 Series - Page 53

6 | Application guidelines
Installer reference guide
53
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
Setup
Connect the power meter to X5M/5 and X5M/6. See "9.3.4 To connect the
electricity meters"[4125].
Power meter type
In case of… Use a… power meter
▪ Single-phase outdoor unit
▪ Backup heater supplied from a single-
phase grid, i.e. the backup heater
model is:
- *6V (6V3: 1N~230V).
Single-phase
▪ Three-phase outdoor unit
▪ Backup heater supplied from a three-
phase grid, i.e. the backup heater
model is:
- *6V (6T1: 3~230V)
Three-phase
Example
Single-phase power meter Three-phase power meter
b
5
8
0
1
5
0
0
0
c c
fed
A B
a
X5M/5+6
A Outdoor unit
B Indoor unit
a Electrical cabinet (L
1
/N)
b Power meter (L
1
/N)
c Fuse (L
1
/N)
d Outdoor unit (L
1
/N)
e Indoor unit (L
1
/N)
f Backup heater (L
1
/N)
b
5
8
0
1
5
0
0
0
c c
fed
A B
a
X5M/5+6
450896.005
A Outdoor unit
B Indoor unit
a Electrical cabinet (L
1
/L
2
/L
3
/N)
b Power meter (L
1
/L
2
/L
3
/N)
c Fuse (L
1
/L
2
/L
3
/N)
d Outdoor unit (L
1
/L
2
/L
3
/N)
e Indoor unit (L
1
/N)
f Backup heater (L
1
/L
2
/L
3
/N)
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.