Daikin Altherma 3 R MT F Series, Installer'S Reference Manual

Page: 271 / 308

16 | Disposal
Installer reference guide
271
ERRA08~12E + EL23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
3 Recover refrigerant from the 2 service ports.
To recover refrigerant when power is ON
WARNING
Rotating fan. Before powering ON or servicing the outdoor unit, make sure that the
discharge grille covers the fan as protection against a rotating fan. See:
▪
"7.3.6 To install the discharge grille" [ 4 75]
▪
"7.3.7 To remove the discharge grille, and put the grille in safety position" [
4
77]
1 Make sure the unit is not running.
2 Make sure the stop valves are open.
3 Activate the recovery mode.
Result: The unit opens the electronic expansion valves.
4 Recover refrigerant from the 2 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 ).