Disposal; To Recover Refrigerant - Daikin Altherma 3 H MT F Installer's Reference Manual

15 Disposal

In this chapter

15.1 To recover refrigerant

EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
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 ............................................................................................................................................................ 239
15.1.1 To manually open the electronic expansion valves............................................................................................... 240
15.1.2 Recovery mode — In case of 3N~ models (7-segments display) .......................................................................... 241
15.1.3 Recovery mode — In case of 1N~ models (7-LEDs display) .................................................................................. 242
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
1 Make sure the unit is not running.
Y1E
Y3E
4
grille" [ 61]
15 Disposal
|
4
position" [ 63]
Installer reference guide
239