Recovery Mode - In Case Of 1N~ Models (7-Leds Display) - Daikin Altherma 3 R ECH2O Installer's Reference Manual

16.1.4 Recovery mode — In case of 1N~ models (7-LEDs display)
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663482-1B – 2022.07
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:
MODE TEST HWL
H1P H2P H3P
BS1 BS2
MODE SET
H1P~H7P 7‑LEDs display
BS1~BS4 Push buttons. Operate the push buttons with an insulated stick (such as a closed
ballpoint pen) to avoid touching of live parts.
1N~
MODE TEST HWL
H1P H2P H3P
BS1 BS2
MODE SET
H1P~H7P 7‑LEDs display
BS1~BS4 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:
1N~
L.N.O.P. DEMAND
H4P H5P H6P H7P
BS3 BS4
RETURN PUMP DOWN
L.N.O.P. DEMAND
H4P H5P H6P H7P
BS3 BS4
RETURN PUMP DOWN
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