Frost Protection Function - Daikin Altherma EHYKOMB33AA Installations- Und Bedienungsanleitung

12 Configuration

Frost protection function

The boiler is equipped with an internal frost protection function that
automatically operates when necessary, even if the boiler is turned
off. If the heat exchanger temperature drops too low, the burner will
switch on until the temperature is sufficiently high again. When frost
protection is active, is displayed on the service display.
To set the parameters via the service code
The gas boiler is factory set in accordance with the default settings.
Take into account the remarks in the table below when changing the
parameters.
1 Press simultaneously on
and the service display.
Parameters on the gas boiler
Parameter Setting
Service code
Installation type
Space heating pump continuous
Maximum space heating power set
. Maximum capacity space heating
pump
Maximum domestic hot water power
set
(not applicable for Switzerland)
Minimum supply temperature of the
heat curve
. Maximum supply temperature of the
heat curve
Minimum outside temperature of the
heat curve
Maximum outside temperature of the
heat curve
Space heating pump post purge period 0~15 min
Space heating pump post purge period
after domestic hot water operation
Installation and operation manual
30
and until appears on the main
Range
—
0~3
0~3
~85%
—
~100%
10°C~25°C
30°C~90°C
–30°C~10°C
15°C~30°C
0~15 min
2 Use the and buttons to set
display.
3 Press the button to set the parameter on the service display.
4 Use the and buttons to set the parameter to the desired
value on the service display.
5 When all settings are done, press
service display.
Result: The gas boiler has now been reprogrammed.
INFORMATION
▪ Press the button to exit the menu without storing the
parameter changes.
▪ Press the button to load the default settings of the
gas boiler.
Default Description
settings
— To access the installer settings, enter
the service code (=15)
0 ▪ 0=Combi
▪ 1=Heating only + external domestic
hot water tank
▪ 2=Domestic hot water only (no
heating system required)
▪ 3=Heating only
It is recommended not to modify this
setting.
0 ▪ 0=Post purge period only
▪ 1=Pump continuously active
▪ 2=Pump continuously active with
MIT switch
▪ 3=Pump on with external switch
This setting has no effect.
70% Maximum power in heating. This is a
percentage of the maximum set in
parameter . We strongly recommend
not modifying this setting.
80 There is no space heating pump in the
gas boiler. Changing this setting has
no effect.
100% Maximum power in instant domestic
hot water. This is a percentage of the
maximum set in parameter . Because
of the 2-digit display, the highest
displayable value is 99. It is however
possible to set this parameter to 100%
(default setting). We strongly
recommend not modifying this setting.
15°C Do NOT modify this setting on the
boiler. Use the user interface instead.
90°C Do NOT modify this setting on the
boiler. Use the user interface instead.
–7°C Do NOT modify this setting on the
boiler. Use the user interface instead.
25°C Do NOT modify this setting on the
boiler. Use the user interface instead.
1 min Changing this setting has no effect on
the operation of the unit.
1 min Changing this setting has no effect on
the operation of the unit.
Daikin Altherma hybrid heat pump – gas boiler module
(service code) on the main
until appears on the
EHYKOMB33AA
4P353067-1L – 2022.09