16 Disposal
Installer reference guide
93
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
Error
code
Cause
Possible solution
5
Poor flame signal
▪ Condensate drain blocked
▪ Check adjustment of gas valve
6
Flame detection
fault
▪ Replace ignition cable and spark
plug cap
▪ Replace ignition unit
▪ Replace boiler controller
8
Incorrect fan speed ▪ Fan catching on casing
▪ Wiring between fan and casing
▪ Check wiring for poor wire contact
▪ Replace fan
29, 30
Gas valve relay
fault
Replace boiler controller
16
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.
16.1
Overview: Disposal
Typical workflow
Disposing of the system typically consists of the following stages:
1
Pumping down the system.
2
Bringing the system to a specialized treatment facility.
INFORMATION
For more details, see the service manual.
16.2
To pump down
Example:
To protect the environment, pump down when disposing
of the unit.
It is NOT required to pump down when relocating 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.
Pump down operation will extract all refrigerant from the system into
the outdoor unit (compressor module).
1
Remove the valve cap from the liquid stop valve and the gas
stop valve.
2
On the user interface, start the pump down operation. Go to
[A.6.E.1]:
> Installer settings > System operation > Pump
down > Start pump down.
3
After ±2 minutes, close the liquid stop valve with a hexagonal
wrench.
4
Check on the manifold if the vacuum is reached.
5
After ±5 minutes, close the gas stop valve, and stop the pump
down operation by pressing
on the user interface.
a
c
b
d
d
e
a
Liquid stop valve
b
Closing direction
c
Hexagonal wrench
d
Valve cap
e
Gas stop valve
