10 Technical data
Installation manual
35
ETVH/X16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644728-1 – 2021.02
For HP tariff For preferential kWh rate power
supply
Indoor unit supplied from outdoor Indoor unit supplied from outdoor
Normal kWh rate power supply Normal kWh rate power supply
Only for normal power supply
(standard)
Only for normal power supply
(standard)
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: 16VDC
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
(3) User interface (3) User interface
Only for *** Only for ***
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)
12VDC pulse detection (voltage
supplied by PCB)
230 V AC Control Device 230 V AC Control Device
230 V AC supplied by PCB 230VAC supplied by PCB
Bizone mixing kit Bizone mixing kit
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:
16VDC 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
Max. load Maximum load
Min. load Minimum load
Only for demand PCB option Only for demand PCB option
Only for digital I/O PCB option Only for digital I/O PCB option
Options: external heat source
output, solar pump connection,
alarm output
Options: external heat source
output, solar pump connection,
alarm output
Options: On/OFF output Options: On/OFF output
Power limitation digital inputs: 12
V DC / 12 mA detection (voltage
supplied by PCB)
Power limitation digital inputs:
12VDC / 12mA detection
(voltage supplied by PCB)
Refer to operation manual Refer to the operation manual
Solar input Solar input
Solar pump connection Solar pump connection
Space C/H On/OFF output Space cooling/heating On/OFF
output
SWB Switch box
(8) External On/OFF thermostats
and heat pump convector
(8) External On/OFF thermostats
and heat pump convector
Additional LWT zone Additional leaving water
temperature zone
Main LWT zone Main leaving water temperature
zone
Only for external sensor (floor/
ambient)
Only for external sensor (floor or
ambient)
Only for heat pump convector Only for heat pump convector
Only for wired On/OFF
thermostat
Only for wired On/OFF
thermostat
Only for wireless On/OFF
thermostat
Only for wireless On/OFF
thermostat