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Application guidelines
Installer reference guide
56
EPRA14~18D + ETVH/23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
6.5.4 Preferential kWh rate power supply
General rule
▪
Power meter 1: Measures the outdoor unit.
▪
Power meter 2: Measures the rest (i.e. indoor unit and backup heater).
Setup
▪
Connect power meter 1 to X5M/5 and X5M/6.
▪
Connect power meter 2 to X5M/3 and X5M/4.
"9.3.4 To connect the electricity meters"
Power meter types
▪
Power meter 1: Single- or three-phase power meter according to the power
supply of the outdoor unit.
▪
Power meter 2:
-
In case of a single-phase backup heater configuration, use a single-phase
power meter.
-
In other cases, use a three-phase power meter.
Example
Single-phase outdoor unit with a three-phase backup heater:
e
f
e
i
h
g
A
B
b
a
d
450896.005
c
580
1 50
0
0
580
1 50
0
0
X5M/3+4
X5M/5+6
S1S
X5M/9+10
A
Outdoor unit
B
Indoor unit
a
Electrical cabinet (L
1
/N): Preferential kWh rate power supply
b
Electrical cabinet (L
1
/L
2
/L
3
/N): Normal kWh rate power supply
c
Power meter (L
1
/N)
d
Power meter (L
1
/L
2
/L
3
/N)
e
Fuse (L
1
/N)
f
Fuse (L
1
/L
2
/L
3
/N)
g
Outdoor unit (L
1
/N)
h
Indoor unit (L
1
/N)
i
Backup heater (L
1
/L
2
/L
3
/N)
S1S
Preferential kWh rate power supply contact
6.6 Setting up the power consumption control
You can use the following power consumption controls. For more information
about the corresponding settings, see
