Symptom: The Space Is Not Sufficiently Heated At Low Outdoor Temperatures - Daikin ERGA06EAV3H Installer's Reference Manual

Hide thumbs Also See for ERGA06EAV3H:
Table of Contents

15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures

ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 – 2022.01
Possible causes
The backup heater operation is not
activated
The auxiliary boiler is not working
correctly.
The backup heater equilibrium
temperature has not been configured
correctly
There is air in the system.
Too much heat pump capacity is used
for heating domestic hot water
15
Troubleshooting
|
Corrective action
Check the following:
The backup heater operation mode is
enabled.
Go
to:
[9.3.8]:
settings > Backup
Operation [4‑00]
The backup heater overcurrent circuit
breaker is on. If not, turn it back on.
The thermal protector of the backup
heater is NOT activated. If it has,
check the following, and then press
the reset button in the switch box:
-
The water pressure
-
Whether there is air in the system
-
The air purge operation
If an auxiliary boiler is connected
directly to the tank and space heating
support is activated, make sure that:
the boiler is operating correctly.
the boiler capacity is sufficient.
Increase the equilibrium temperature to
activate the backup heater operation at
a higher outdoor temperature.
Go to: [9.3.7]: Installer settings
> Backup heater > Equilibrium
temperature [5‑01]
Purge air manually or automatically. See
the air purge function in the chapter
4
"12 Commissioning" [
 239].
Check if the Space heating
priority settings have been
configured appropriately:
Make sure that the Space heating
priority has been enabled.
Go
to
[9.6.1]:
settings > Balancing > Space
heating priority [5‑02]
Increase the "space heating priority
temperature" to activate backup
heater operation at a higher outdoor
temperature.
Go
to
[9.6.3]:
settings
>
Balancing
Priority temperature [5‑03]
Installer
heater >
Installer
Installer
>
Installer reference guide
259
Table of Contents
loading

Table of Contents