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Application guidelines
Installer reference guide
59
EPRA14~W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1 – 2022.02
Setup
Connect the power meter to X15M/5 and X15M/6. See
126].
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)
Three-phase
(*9W: 3N~ 400 V)
Example
Single-phase power meter
Three-phase power meter
b
580
1 50
0
0
c
c
f
e
d
A
B
a
c
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
580
1 50
0
0
g
f
e
A
B
c
c
d
a
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
Fuse (L
1
/N)
e
Outdoor unit (L
1
/L
2
/L
3
/N)
f
Indoor unit (L
1
/N)
g
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.
