Configuration; 12.1 Gas Boiler; Overview: Configuration; Basic Configuration - Daikin Altherma EHYKOMB33AA Installations- Und Bedienungsanleitung

7 Open the switch box cover of the indoor unit.
8 Plug the indoor unit connector into X39A of the indoor unit PCB.
9 Close the switch box cover of the indoor unit.
10 Close the switch box cover of the gas boiler.
11 Close the gas boiler.
12

Configuration

12.1 Gas boiler
12.1.1

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
EHYKOMB33AA
Daikin Altherma hybrid heat pump – gas boiler module
4P353067-1L – 2022.09
5 6 7 8
d e f
8 Flashes to indicate a fault
Operation
a On/OFF button
b One single room
c button
d button
e Service button
f Reset button
12.1.2

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.
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 "Error
codes of the gas boiler" [ 4 39]) and resolve the cause.
1 Press to restart the gas boiler.
Maximum space heating supply temperature
See the user reference guide of the indoor unit for more details.
Domestic hot water temperature
See the user reference guide of the indoor unit 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.
12 Configuration
button will light up when the
button and an error code
Installation and operation manual
29