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16
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Disposal
16 Disposal
In this chapter
16.1 To recover refrigerant
Installer reference guide
286
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.
16.1
To recover refrigerant ............................................................................................................................................................ 286
16.1.1
To open the stop valves ......................................................................................................................................... 287
16.1.2
To manually open the electronic expansion valves............................................................................................... 287
16.1.3
Recovery mode — In case of 3N~ models (7-segments display) .......................................................................... 289
16.1.4
Recovery mode — In case of 1N~ models (7-LEDs display) .................................................................................. 292
When disposing of the outdoor unit, you need to recover its refrigerant.
To ensure that no refrigerant remains trapped in the unit:
▪
Make sure the stop valves are open (a, b).
▪
Make sure the electronic expansion valves (Y1E, Y3E, Y2S, Y3S, Y4S) are open.
▪
Use both of the service ports (b, c) to recover refrigerant.
Components
a Liquid stop valve
b Gas stop valve with service port
c 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 OFF
1 Make sure the stop valves are open.
2 Manually open the electronic expansion valves.
ERRA08~12E + ELVH/X12S18+23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
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