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Disposal
Installer reference guide
269
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1C – 2023.07
15.1.3 Recovery mode — In case of EPRA-DBW1* models (7-segments display)
Before recovering refrigerant, make sure the electronic expansion valves are open.
When power is ON, this has to be done by using the recovery mode.
Components
To activate/deactivate the recovery mode, you need the following components:
BS1 BS3
BS2
EPRA-DBW1*
7‑segments display
BS1~BS3
Push buttons. Operate the push buttons with an insulated stick (such as a closed
ballpoint pen) to avoid touching of live parts.
To activate the recovery mode
INFORMATION
If you get confused in the middle of the process, press BS1 to return to the default
situation.
Before recovering refrigerant, activate the recovery mode as follows:
#
Action
7-segments display
(a)
1
Start from the default situation.
2
Select mode 2.
Press and hold
BS1
for 5 seconds.
3
Select setting 9.
Press
BS2
9 times.
4
Select value 2.
a
Display the current value.
Press
BS3
once.
b
Change the value to 2.
Press
BS2
once.
c
Enter the value in the system.
Press
BS3
once.
d
Confirm.
Press
BS3
once.
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