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Technical data
Installer reference guide
275
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
English
Translation
Only for preferential kWh rate power
supply (outdoor)
Only for preferential kWh rate power
supply (outdoor)
Outdoor unit
Outdoor unit
Preferential kWh rate power supply
contact: 16 V DC detection (voltage
supplied by PCB)
Preferential kWh rate power supply
contact: 16 V DC detection (voltage
supplied by PCB)
SWB
Switch box
Use normal kWh rate power supply for
indoor unit
Use normal kWh rate power supply for
indoor unit
(2) Backup heater power supply
(2) Backup heater power supply
Only for ***
Only for ***
(3) User interface
(3) User interface
Only for remote user interface
Only for the dedicated Human Comfort
Interface (BRC1HHDA used as room
thermostat)
SD card
Card slot for WLAN cartridge
SWB
Switch box
WLAN cartridge
WLAN cartridge
(4) Domestic hot water tank
(4) Domestic hot water tank
3 wire type SPST
3 wire type SPST
Booster heater power supply
Booster heater power supply
Only for ***
Only for ***
SWB
Switch box
(5) Ext. thermistor
(5) External thermistor
SWB
Switch box
(6) Field supplied options
(6) Field supplied options
12 V DC pulse detection (voltage
supplied by PCB)
12 V DC pulse detection (voltage
supplied by PCB)
230 V AC Control Device
230 V AC Control Device
230 V AC supplied by PCB
230 V AC supplied by PCB
Continuous
Continuous current
DHW pump output
Domestic hot water pump output
DHW pump
Domestic hot water pump
Electrical meters
Electrical meters
For HV smartgrid
For high voltage Smart Grid
For LV smartgrid
For low voltage Smart Grid
For safety thermostat
For safety thermostat
For smartgrid
For Smart Grid
Inrush
Inrush current
Summary of Contents for Altherma 3 R W
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