Setting Up The Energy Metering; Produced Heat; Consumed Energy - Daikin Altherma 3 GEO Series Installer's Reference Manual
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5.5
Setting up the energy metering
▪ Via the user interface, you can read out the following energy data:
▪ Produced heat
▪ Consumed energy
▪ You can read out the energy data:
▪ For space heating
▪ For space cooling
▪ For domestic hot water production
▪ You can read out the energy data:
▪ Per month
▪ Per year
INFORMATION
The calculated produced heat and consumed energy are
an estimation, the accuracy cannot be guaranteed.
5.5.1
Produced heat
INFORMATION
The sensors used to calculate the produced heat are
calibrated automatically.
▪ The produced heat is calculated internally based on:
▪ The leaving and entering water temperature
▪ The flow rate
▪ Setup and configuration: No additional equipment needed.
5.5.2
Consumed energy
You can use the following methods to determine the consumed
energy:
▪ Calculating
▪ Measuring
INFORMATION
You cannot combine calculating the consumed energy
(example: for the backup heater) and measuring the
consumed energy (example: for the rest of the unit). If you
do so, the energy data will be invalid.
Calculating the consumed energy
▪ The consumed energy is calculated internally based on:
▪ The actual power input of the indoor unit
▪ The set capacity of the backup heater
▪ The voltage
▪ Setup and configuration: None.
Measuring the consumed energy
▪ Preferred method because of higher accuracy.
▪ Requires external power meters.
▪ Setup and configuration: When using electrical power meters, set
the number of pulses/kWh for each power meter via the user
interface.
INFORMATION
When measuring the electrical power consumption, make
sure ALL power input of the system is covered by the
electrical power meters.
EGSAH/X06+10DA9W(G)
Daikin Altherma 3 GEO
4P569820-1A – 2019.09
5 Application guidelines
Power supply layouts with power meters
In most cases, one power meter that measures the entire system
(compressor, backup heater and hydro) is sufficient.
Power meter
Measures
1
Entire system
In case of the following combination, you need 2 power meters:
▪ Dual cable power supply (= split power supply)
▪ + Preferential kWh rate power supply with separate normal kWh
rate power supply
(1)
Power meter
Measures
1
Hydro and
backup heater
2
Compressor
(1)
In the software the power consumption data of both meters
is added so you do NOT have to set which meter covers
which power consumption.
Exceptional cases. You can also use a second power meter if:
▪ The power range of one meter is insufficient.
▪ The power 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.
Examples of power supply layouts with power meters
#1: Single cable power supply
(= combined power supply)
0
0
58 0
1 5 0
a1
b1
45 08 96
.0 05
X5M/5+6
F1B
C1
c
d
e
Type
Connection
1N~ or 3N~
X5M/5+6
depending on
the backup
heater
Type
Connection
1N~ or 3N~
X5M/5+6
depending on
the backup
heater
1N~
X5M/3+4
#2: Dual cable power supply
(= split power supply)
0
0
58 0
1 5 0
a1
b1
45 08 96
.0 05
X5M/5+6
F2B
F1B
C5
C1
c
d
e
Installer reference guide
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