Disposal; To Recover Refrigerant - Daikin Altherma 3 R ECH2O Installer's Reference Manual

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Disposal

16 Disposal
In this chapter

16.1 To recover refrigerant

Installer reference guide
278
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 ............................................................................................................................................................ 278
16.1.1 To open the stop valves ......................................................................................................................................... 279
16.1.2 To manually open the electronic expansion valves............................................................................................... 279
16.1.3 Recovery mode — In case of 3N~ models (7-segments display) .......................................................................... 280
16.1.4 Recovery mode — In case of 1N~ models (7-LEDs display) .................................................................................. 283
16.2 To drain the storage tank ....................................................................................................................................................... 285
16.2.1 To drain the storage tank without a connected pressureless solar system ......................................................... 285
16.2.2 To drain the storage tank with a connected pressureless solar system............................................................... 287
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) are open.
▪ Use all 3 service ports (a, b, c) to recover refrigerant.
Components
a Liquid stop valve with service port
b Gas stop valve with service port
c Service port 5/16" flare
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
To recover refrigerant when power is OFF
1 Make sure the stop valves are open.
2 Manually open the electronic expansion valves.
3 Recover refrigerant from the 3 service ports.
c
Y3E
a
b
Y1E
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663482-1B – 2022.07