Daikin Altherma 3 H HT F Installer's Reference Manual page 35

EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W
Daikin Altherma 3 H HT F
4P587503-1 – 2019.07
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 *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 or *6V connected to a
three-phase grid).
Example
Single-phase power meter
0 0
58 0
1 5 0
a
b
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.
5 Application guidelines
|
Use a... power meter
Single-phase
(*6V (6V): 1N~ 230 V)
Three-phase
(*6V (6T1): 3~ 230 V)
(*9W: 3N~ 400 V)
Three-phase power meter
0 0
58 0
1 5 0
a
b
  
 
c d
e f g
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 /L /L /N)
1 2 3
g Backup heater (L /L /L
1 2
/L /N)
2 3
/N)
3
Installer reference guide
35