Daikin ERGA06EAV3 - Page 49

6 | Application guidelines
Installer reference guide
49
ERGA04~08EAV3(A) + EHVH04+08SU18+23EA6V
Daikin Altherma 3 R F
4P629090-1 – 2020.08
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 *3V or *6V connected to a
single-phase grid)
Single-phase
(*3V, *6V (6V): 1N~230V)
▪ Three-phase outdoor unit
▪ Backup heater supplied from a three-
phase grid (i.e. the backup heater
model is *9W or *6V connected to a
three-phase grid)
Three-phase
(*6V (6T1): 3~230V)
(*9W: 3N~400V)
Example
Single-phase power meter Three-phase power meter
b
5
8
0
1
5
0
0
0
c c
fed
g
A B C
a
A Outdoor unit
B Indoor unit
C DHW tank
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)
g Booster heater (L
1
/N)
b
5
8
0
1
5
0
0
0
gfe
h
A B C
c c d
a

A Outdoor unit
B Indoor unit
C DHW tank
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 Fuse (L
1
/N)
e Outdoor unit (L
1
/L
2
/L
3
/N)
f Indoor unit (L
1
/L
2
/L
3
/N)
g Backup heater (L
1
/L
2
/L
3
/N)
h Booster heater (L
1
/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.