Daikin ETVZ16E6V7, Installer'S Reference Manual

Page: 45 / 284

6 | Application guidelines
Installer reference guide
45
EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
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.
6.5.3 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. See "9.3.4 To connect the
electricity meters" [
4
109].
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:
- *6V (6V3: 1N~ 230 V).
Single-phase
▪ Three-phase outdoor unit
▪ Backup heater supplied from a three-
phase grid, i.e. the backup heater
model is:
- *6V (6T1: 3~ 230 V)
- *9W (3N~ 400 V)
Three-phase