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16 Disposal
In this chapter
16.1 To pump down
ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
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 pump down........................................................................................................................................................................ 269
16.2
To drain the storage tank ....................................................................................................................................................... 270
16.2.1
To drain the storage tank without a connected pressureless solar system ......................................................... 270
16.2.2
To drain the storage tank with a connected pressureless solar system............................................................... 273
Example: To protect the environment, pump down when relocating the unit or
when disposing of the unit.
DANGER: RISK OF EXPLOSION
Pump down – Refrigerant leakage. If you want to pump down the system, and there
is a leak in the refrigerant circuit:
▪
Do NOT use the unit's automatic pump down function, with which you can collect
all refrigerant from the system into the outdoor unit. Possible consequence: Self-
combustion and explosion of the compressor because of air going into the
operating compressor.
▪
Use a separate recovery system so that the unit's compressor does NOT have to
operate.
NOTICE
During pump down operation, stop the compressor before removing the refrigerant
piping. If the compressor is still running and the stop valve is open during pump
down, air will be sucked into the system. Compressor breakdown or damage to the
system can result due to abnormal pressure in the refrigerant cycle.
NOTICE
Before pump down. Before using the unit's automatic pump down function, do the
following settings:
▪
Set [C-07]=0 (or [2.9]: Main zone > Control = Leaving water)
▪
Set [E-08]=0 (or [9.F]: Installer settings > Power saving function =
No)
Pump down operation will extract all refrigerant from the system into the outdoor
unit.
1 Remove the valve lid from the liquid stop valve and the gas stop valve.
2 Install a manifold on the gas stop valve.
3 Start the pump down operation via the user interface integrated in the indoor
unit:
1 Set the user permission level to Installer. See
the user permission
4
level" [
150].
16
Disposal
|
"To change
—
Installer reference guide
269
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