Daikin Altherma 3 H HT F Installer's Reference Manual page 219

Alarm output
Auto restart
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
# Code
[7.5.2] N/A
[7.5.3] N/A
[7.6] N/A
Boiler efficiency
Depending on the used boiler, this should be chosen as follows:
# Code
[9.C.2] [7‑05]
Alarm output
# Code
[9.D] [C–09]
Alarm output logic
[C-09]
0 Closed output
1 Open output
Auto restart
When power returns after a power supply failure, the auto restart function
reapplies the user interface settings at the time of the power failure. Therefore, it
is recommended to always enable the function.
User settings > Electricity price >
Medium
User settings > Electricity price >
Low
User settings > Gas price
▪ 0: Very high
▪ 1: High
▪ 2: Medium
▪ 3: Low
▪ 4: Very low
Alarm output: Indicates the logic of alarm
output on digital I/O PCB during high level indoor
unit error malfunctioning. Low level errors
(caution/warning) will NOT be transmitted to
alarm output.
▪ 0 Abnormal: The alarm output will be
powered when an alarm occurs. By setting this
value, a distinction is made between the
detection of an alarm, and the detection of a
power failure.
▪ 1 Normal: The alarm output will NOT be
powered when an alarm occurs.
See also table below (Alarm output logic).
Alarm No alarm
Open output
Closed output
10 Configuration
|
Description
Description
Description
No power supply
to unit
Open output
Installer reference guide
219