Daikin EWAA016DAV3P - Power Supply Layouts with Power Meters

6 | Application guidelines
Installer reference guide
45
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
▪ Setup and configuration: To get accurate energy data, measure the capacity
(resistance measurement) and set the capacity via the user interface for the
optional backup heater (step1 and step2).
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.
6.4.3 Power supply layouts with power meters
1 power meter. You only need 1 power meter that measures the entire system
(compressor module, hydro module and backup heater) in the following cases:
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply WITHOUT separate normal kWh rate power
supply
Power meter Description
1 Measures: Entire system
Connection: X5M/5+6
Power meter type:
▪ Three-phase power meter in case one of the following
conditions is met:
- Power supply of the outdoor unit is 3N~
- Power supply of the external backup heater kit (if any) is
3N~
▪ Single-phase power meter in other cases.
2 power meters. You need 2 power meters in case of preferential kWh rate power
supply WITH separate normal kWh rate power supply.
Power meter Description
1 Measures
(a)
: Hydro module and backup heater (if any)
Connection: X5M/5+6
Power meter type:
▪ Three-phase power meter in case the external backup
heater kit is installed and configured to use 3N~ power
supply.
▪ Single-phase power meter in other cases.
2 Measures
(a)
: Compressor module
Connection: X5M/3+4
Power meter type: Single- or three-phase power meter
according to the power supply of the outdoor unit.