6 Maintenance and service
User reference guide
21
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P351749-1D – 2016.09
6
Maintenance and service
6.1
Overview: Maintenance and
service
The installer has to perform a yearly maintenance. You can find the
contact/helpdesk number via the user interface.
As end user, you have to:
▪ Keep the area around the unit clean.
▪ Keep the user interface clean with a soft damp cloth. Do NOT use
any detergents.
▪ Regularly check if the water pressure indicated on the manometer
is above 1 bar.
Refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
NOTICE
In Europe, the
greenhouse gas emissions
of the total
refrigerant charge in the system (expressed as tonnes
CO
2
-equivalent) is used to determine the maintenance
intervals. Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant × Total refrigerant charge [in
kg] / 1000
Please contact your installer for more information.
6.2
To find the contact/helpdesk
number
Prerequisite:
You switched the permission level to Advanced end
user.
1
Go to [6.3.2]:
> Information > Error handling > Contact/
helpdesk number.
7
Troubleshooting
7.1
Overview: Troubleshooting
If a malfunction occurs, is displayed on the home pages. You can
press
to display more information about the malfunction.
For the symptoms listed below, you can try to solve the problem
yourself. For any other problem, contact your installer. You can find
the contact/helpdesk number via the user interface.
7.2
To check the error history
Prerequisite:
Only available if is displayed on the home pages.
1
Go to [6.3.1]:
> Information > Error handling > Error history.
7.3
To check the warning history
Prerequisite:
Only available if is displayed on the home pages.
1
Go to [6.3.1]:
> Information > Error handling > Warning
history.
7.4
Symptom: You are feeling too cold
(hot) in your living room
Possible cause
Corrective action
The desired room temperature is
too low (high).
Increase (decrease) the desired
room temperature.
If the problem recurs daily, do
one of the following:
▪ Increase (decrease) the room
temperature preset value.
▪ Adjust the room temperature
schedule.
The desired room temperature
cannot be reached.
Increase the desired leaving
water temperature in accordance
with the heat emitter type.
7.5
Symptom: The water at the tap is
too cold
Possible cause
Corrective action
You ran out of domestic hot
water because of unusual high
consumption.
If you immediately need domestic
hot water, activate the DHW tank
booster mode. However, this
consumes extra energy.
If you can wait, overrule
(increase) the active or next
scheduled desired temperature
so that more hot water will be
produced exceptionally.
If the problems recurs daily, do
one of the following:
▪ Increase
the
DHW
tank
temperature preset value.
▪ Adjust
the
DHW
tank
temperature
schedule.
Example:
Program
to
additionally
heat
up
the
DHW tank to a preset value
(Storage eco = lower tank
temperature) during the day.
The desired DHW tank
temperature is too low.
7.6
Symptom: Heat pump failure
When the heat pump fails to operate, the backup heater can serve
as an emergency heater and either automatically or non-
automatically take over the heat load.
▪ When auto emergency is
activated
and a heat pump failure
occurs, the backup heater will automatically take over the heat
load.
▪ When auto emergency is
not activated
and a heat pump failure
occurs, the domestic hot water and space heating operations will
stop and need to be recovered manually. The user interface will
then ask you to confirm whether the backup heater can take over
the heat load or not.
When the heat pump fails, will appear on the user interface.
Summary of Contents for ALTHERMA
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