16 | Technical data
Installer reference guide
271
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
English Translation
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: ext. heat source output, alarm
output
Options: external heat source output,
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)
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