Daikin RXYSA8AMY1B handleiding
Handleiding
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22 Troubleshooting
Installation and operation manual
51
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752781-1C – 2024.10
Main code Sub code Cause Solution SVEO
(a)
SVS
(b)
Connection malfunction over indoor units or type
mismatch
Check if other indoor units have a malfunction
and confirm if indoor unit mix is allowed.
Connection malfunction over indoor units or type
mismatch
Check if other indoor units have a malfunction
and confirm if indoor unit mix is allowed.
Wrong outdoor unit connected Disconnect the outdoor unit.
There is a direct indoor unit connection, but the
field setting [2-54] is not set to '1'.
Set field setting [2-54]=1
SV unit refrigerant type abnormality Check SV unit refrigerant type
SV unit DIP switch abnormality Check the DIP switches of the SV unit.
Mismatch between wiring path and piping path
during test run
Mistake detected during SV unit and indoor unit
connection check (see "19.6To perform a SV/
indoor unit connection check"[446]). Confirm
wiring between indoors and SV units.
Refer to SV unit manual for correct way of wiring.
Auto address malfunction (inconsistency) Check if interconnected unit amount matches
with powered unit amount (by monitor mode) or
wait until initialisation is finished.
Maintenance warning (ventilation fan) SV unit ventilation needs maintenance check.
Refer to the SV unit manual for more information.
In case other error codes appear, contact your dealer.
(a)
The SVEO terminal provides an electrical contact that closes in case the indicated error occurs.
(b)
The SVS terminal provides an electrical contact that closes in case the indicated error occurs.
(c)
The error code is only shown on the user interface of the indoor unit where the error occurs.
22.2 Refrigerant leak detection system
Normal operation
During normal operation, the alarm only and supervisor remote
controller have no functionality. The screen of the remote controller
in alarm only and supervisor mode will be off. Operation of the
remote controller can be checked by pushing the button to open
the installer menu.
c
a
d
e f
d
c c
d
e
g
h
b
d
e
a Heat pump outdoor unit
b SV unit
c Refrigerant piping
d VRV direct expansion (DX) indoor unit
e Remote controller in normal mode
f Remote controller in alarm only mode
g Remote controller in supervisor mode (mandatory in
some situations)
h Centralised controller (optional)
Note: During start-up of the system, the mode of the remote control
can be verified from the screen.
Leak detection operation
1 If the R32 sensor in the indoor unit detects a refrigerant leak:
▪ The user will be warned by both audible and visible signals of
the remote controller of the leaking indoor unit (and the
supervisor remote controller, if applicable).
▪ At the same time the SV unit will close the shut-off valves of the
corresponding branch pipe in order to reduce the amount of
refrigerant in the indoor system.
▪ After the operation, the indoor units of the port where the leak
was detected will be out of operation and display an error. The
rest of the system will continue operation.
2 If the R32 sensor in the indoor unit without a SV unit (directly
connected to the outdoor unit) detects a refrigerant leak:
▪ All shut off valves in SV units connected to other indoor units
will be closed, the compressor will be shut down and the
system cannot operate anymore.
3 If the R32 sensor in the SV unit detects a refrigerant leak:
▪ The SV unit will close all of its shut-off valves and triggers the
ventilation system (if equipped) of the SV unit to evacuate the
leaking refrigerant.
▪ After the operation, the system will go in locked state and the
remote controllers will display an error. Service is needed to
repair the leak and activate the system. Refer to the service
manual for more information.
Feedback of the remote controller after leak detection operation will
depend on its mode.
WARNING
The unit is equipped with a refrigerant leak detection
system for safety.
To be effective, the unit MUST be electrically powered at
all times after installation, except for maintenance.
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Productinformatie
| Merk | Daikin |
| Model | RXYSA8AMY1B |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9612 MB |
