Daikin Altherma 3 R F - To Open the Stop Valves; To Manually Open the Electronic Expansion Valves

16 | Disposal
Installer reference guide
278
ERLA11~16D + EBVH16SU23D
Daikin Altherma 3 R F
4P655196-1A – 2022.05
3 Activate the recovery mode.
Result: The unit opens the electronic expansion valves.
4 Recover refrigerant from the 3 service ports.
5 Deactivate the recovery mode.
Result: The unit returns the electronic expansion valves to their initial state.
16.1.1 To open the stop valves
Before recovering refrigerant, make sure the stop valves are open.
a
b
c
a Service port and service port cover
b Stop valve
c Stop valve cover
1 Remove the stop valve cover.
2 Insert a hexagon wrench into the stop valve and turn counterclockwise to
open.
16.1.2 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.