6 | Application guidelines
Installer reference guide
55
ERGA04~08EA + EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629090-1A – 2021.11
6.5.3 Normal kWh rate power supply
General rule
One power meter that covers the entire system is sufficient.
Setup
Connect the power meter to X5M/5 and X5M/6. See "9.3.4 To connect the
electricity meters"[4127].
Power meter type
In case of… Use a… power meter
â–ª Single-phase outdoor unit
â–ª Backup heater supplied from a single-
phase grid, i.e. the backup heater
model is:
- *6V (6V3: 1N~230V).
Single-phase
â–ª Three-phase outdoor unit
â–ª 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)