5 Application guidelines
Installer reference guide
18
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA
Daikin Altherma – Low temperature split
4P495248-1 – 2017.12
▪ If applicable legislation requires disinfection of the water piping
until the tapping point, you can connect a DHW pump and heater
element (if needed) as shown above.
Configuration
The indoor unit can control DHW pump operation. For more
information, see
"8 Configuration" on page 47
.
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.
▪ Applicable for all models.
▪ 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 backup heater) and measuring the
consumed energy (example: for outdoor 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 outdoor unit
▪ The set capacity of the backup heater
▪ The voltage
▪ Setup and configuration: To get accurate energy data, measure
the capacity (resistance measurement) and set the capacity via
the user interface for the backup heater (step 1).
Measuring the consumed energy
▪ Applicable for all models.
▪ 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.
5.5.3
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.
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
▪ 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)
Three-phase
Example
Single-phase power meter
Three-phase power meter
b
580
1 50
0
0
c
c
f
e
d
A
B
a
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
d
a
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
/L
2
/L
3
/N)
g
Backup heater (L
1
/L
2
/L
3
/N)
Final English - Tanslations in progress
