Daikin ETSX16E Installer's Reference Manual page 265

15 Disposal
In this chapter
15.1 To recover refrigerant
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1D – 2023.11
NOTICE
Do NOT try to dismantle the system yourself: dismantling of the system, treatment of
the refrigerant, oil and other parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for reuse, recycling and recovery.
15.1 To recover refrigerant ............................................................................................................................................................ 265
15.1.1 To manually open the electronic expansion valves............................................................................................... 266
15.1.2 Recovery mode — In case of EPRA-DAV3* and EPRA-DAW1* models (7-LEDs display)...................................... 267
15.1.3 Recovery mode — In case of EPRA-DBW1* models (7-segments display)........................................................... 269
15.2 To drain the storage tank ....................................................................................................................................................... 271
15.2.1 To drain the storage tank without a connected pressureless solar system ......................................................... 271
15.2.2 To drain the storage tank with a connected pressureless solar system............................................................... 273
When disposing of the outdoor unit, you need to recover its refrigerant.
▪ Use the service port (a) to recover refrigerant.
▪ Make sure the valves (Y1E, Y3E, Y2S, Y3S, Y4S) are open. If they are not open
during refrigerant recovery, refrigerant remains trapped in the unit.
Y2S
Y3S
Y4S
a
a Service port 5/16" flare
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
Y2S Solenoid valve (low pressure bypass)
Y3S Solenoid valve (hot gas bypass)
Y4S Solenoid valve (liquid injection)
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
▪
"7.3.7 To remove the discharge grille, and put the grille in safety
Y1E
Y3E
grille" [ 4 80]
15 Disposal
|
4
position" [ 82]
Installer reference guide
265