Daikin Altherma 3 H HT EPRA14DAW1, Installer'S Reference Manual

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14 | Disposal
Installer reference guide
229
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1A – 2020.01
14 Disposal
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.
In this chapter
14.1 To recover refrigerant ............................................................................................................................................................ 229
14.1 To recover refrigerant
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.
a
Y2S
Y3S
Y4S
Y3E
Y1E
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 open the valves 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:
▪
"6.3.6 To install the discharge grille" [ 4 68]
▪
"6.3.7 To remove the discharge grille, and put the grille in safety position" [ 4 69]