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

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15 | Disposal
Installer reference guide
262
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
1 Make sure the unit is not running.
2 Activate the recovery mode (see "15.1.2 Recovery mode — In case of 3N~
models (7-segments display)" [ 4 263] or "15.1.3 Recovery mode — In case of
1N~ models (7-LEDs display)" [
4
265]).
Result: The unit opens the valves ( Y* ).
3 Recover refrigerant from the service port ( a ).
4 Deactivate the recovery mode (see "15.1.2 Recovery mode — In case of 3N~
models (7-segments display)" [
4
263] or "15.1.3 Recovery mode — In case of
1N~ models (7-LEDs display)" [
4
265]).
Result: The unit returns the valves ( Y* ) to their initial state.
To recover refrigerant when power is OFF
1 Manually open the valves ( Y* ) (see "15.1.1 To manually open the electronic
expansion valves" [
4
262]).
2 Recover refrigerant from the service port ( a ).
15.1.1 To manually open the electronic expansion valves
Before recovering refrigerant, make sure the electronic expansion valves are open.
When power is OFF, this has to be done manually.
c2
c1
1 2 3
c3
c1 Electronic expansion valve
c2 EEV coil
c3 EEV magnet
1 Remove the EEV coil ( c2 ).
2 Slide an EEV magnet ( c3 ) over the expansion valve ( c1 ).
3 Turn the EEV magnet anticlockwise to the fully open position of the valve. If
you are not sure about what the open position is, turn the valve in its middle
position so that refrigerant can pass.