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Technical data
Installer reference guide
254
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
English
Translation
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 user interface used as
room thermostat
SD card
Card slot for WLAN cartridge
WLAN cartridge
WLAN cartridge
(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 safety thermostat
For safety thermostat
For smartgrid
For Smart Grid
Inrush
Inrush current
Max. load
Maximum load
Normally closed
Normally closed
Normally open
Normally open
Safety thermostat contact: 16 V DC
detection (voltage supplied by PCB)
Safety thermostat contact: 16 V DC
detection (voltage supplied by PCB)
Shut-off valve
Shut-off valve
Smartgrid contacts
Smart Grid contacts
Smartgrid PV power pulse meter
Smart Grid photovoltaic power pulse
meter
SWB
Switch box
(7) Option PCBs
(7) Option PCBs
Alarm output
Alarm output
Changeover to ext. heat source
Changeover to external heat source
Summary of Contents for ETVZ16S18EA6V
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