Daikin Altherma 3 H MT ECH2O, Руководство по установке для специалистов

Страница: 265 / 304

15 | Disposal
Installer reference guide
265
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
15.1.3 Recovery mode — In case of 1N~ models (7-LEDs 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
X1
X1 7‑LEDs 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-LEDs display
(a)
H1P H2P H3P H4P H5P H6P H7P
1 Start from the default situation.
2 Press and hold BS1 for 5 seconds.
3 Press BS2 9 times.
4 Press BS3 once.
5 Press BS2 once.
6 Press BS3 once.
7 Press BS3 once.
The flashing H1P indicates the
recovery mode has been correctly
selected and is activated.
8 Press BS1 once.
H1P keeps flashing, indicating that
you are in a mode that does not
allow compressor operation.
(a)
= OFF, = ON, and = flashing.
Result: The recovery mode is activated. The unit opens the electronic expansion
valves.