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10 Configuration
10.2
Gas boiler
10.2.1
Overview: Configuration
1
3 4
2
a
b
c
Read out
1
On/off
2
Main display
3
Space heating operation
4
Domestic hot water operation
5
Domestic hot water comfort function eco
6
Domestic hot water comfort function on (continuous)
7
Service display
8
Flashes to indicate a fault
Operation
a
On/off button
b
button
c
button
d
Domestic hot water function off/eco/on
e
Service button
f
Reset button
10.2.2
Basic configuration
To turn on/off the gas boiler
1 Push the
button.
Result: The green LED above the
boiler is ON.
When the gas boiler is OFF,
is displayed on the service display to
indicate that the power is ON. In this mode, the pressure in the
space heating installation will also be displayed on the main display
(bar).
Domestic hot water comfort function
Not applicable for Switzerland
This function can be operated with the domestic hot water comfort
key ( ). The following functions are available:
▪ On: The
LED lights up. The domestic hot water comfort function
is switched on. The heat exchanger will be kept on temperature to
assure instant delivery of hot water.
▪ Eco: The
LED lights up. The domestic hot water comfort
function is self-learning. The appliance will learn to adapt to the
pattern of use of hot tap water. For example: the temperature of
the heat exchanger will NOT be maintained during the night or in
case of long absence.
▪ Off: Both LED's are OFF. The temperature of the heat exchanger
is NOT maintained. For example: It will take a while to deliver hot
water to the hot water taps. If there is no need for immediate hot
water delivery, the domestic hot water comfort function can be
turned off.
Parameters on the gas boiler
Parameter
Setting
Service code
Installer reference guide
72
5 6
7
8
d
e
f
button will light up when the
Range
—
To reset the gas boiler
INFORMATION
Resetting is only possible when an error occurs.
Prerequisite: Flashing LED above the
on the main display.
Prerequisite: Check the meaning of the error code (see
codes of the gas boiler" on
page 92) and resolve the cause.
1 Press
to restart the gas boiler.
Maximum space heating supply temperature
See the user reference guide for more details.
Domestic hot water temperature
See the user reference guide for more details.
Keep hot function
The reversible heat pump features a keep hot function that keeps
the heat exchanger hot continuously to prevent sweat from occurring
in the gas boiler switch box.
In case of heating only models, this function can be deactivated
through the parameter settings of the gas boiler.
INFORMATION
Do NOT deactivate the keep hot function if the gas boiler is
connected to a reversible indoor unit. It is recommended to
always deactivate the keep hot function if the gas boiler is
connected to a heating only indoor unit.
It is recommended to always deactivate the keep hot function.
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.
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)
button and an error code
"Error
and
until
appears on the main
(service code) on the main
until
appears on the
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
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