To Manually Open The Electronic Expansion Valves - Daikin EPRA08EAV3 Installer's Reference Manual

15.1.1 To manually open the electronic expansion valves

EPRA08~12EAV3+W1 + ETVH/X12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634886-1 – 2021.03
2 Activate the recovery mode (see
models (7-segments
1N~ models (7-LEDs
Result: The unit opens the valves (Y*).
3 Recover refrigerant from the service port (a).
4 Deactivate the recovery mode (see
models (7-segments
1N~ models (7-LEDs
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
expansion valves" [ 4
2 Recover refrigerant from the service port (a).
Before recovering refrigerant, make sure the electronic expansion valves are open.
When power is OFF, this has to be done manually.
c2
c3
1 2
c1
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.
"15.1.2 Recovery mode — In case of 3N~
4
display)" [ 256] or "15.1.3 Recovery mode — In case of
4
display)" [ 257]).
"15.1.2 Recovery mode — In case of 3N~
4
display)" [ 256] or "15.1.3 Recovery mode — In case of
4
display)" [ 257]).
"15.1.1 To manually open the electronic
255]).
3
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