Table des Matières
Publicité
DC Inverter Multi VRF System
06_ Detect
db
outdoor
componen
ts
db
07_ Detect
db
indoor
componen
ts
db
08_
db
Confirm
preheated
compresso
r
db
09_
Refrigeran
db
t
judgments
before
startup
db
db
10_ Status
judgments
of outdoor
valves
db
before
startup
db
12_
Confirm
db
debugging
startup
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On
06
On
On
06
On
XXXX
On
07
On
On
07
On
On
08
On
On
08
On
On
09
On
On
09
On
On
10
On
On
10
On
On
10
On
On
12
On
Outdoor component's error. LED3 will
display the related error code. After
errors are eliminated, system will start
error
On
next step automatically. If power is off
code
during troubleshooting, then restart
debugging from progress 01 after power
is on.
System detects no error on outdoor
OC
On
component. 10s later, next step starts.
System detects error on indoor
components. XXXX means the project
code of IDU with error. 3s later, related
error code will be showed. For instance, if
no.1 IDU has d6 and d7 errors, then the
/
LED3 digital tube will show circularly
On
00,01,d5,d6,07,92,d6,d7 every 2s. After
Error
code
errors are eliminated, system will start
next step automatically. If power is off
during troubleshooting, then restart
debugging from progress 01 after power
is on.
No error on components of IDU. 2s later,
OC
On
next step starts.
Preheat time for compressor is less than
8 hours. Display will be as in the left until
the preheat time reaches 8 hours. Press
main board's SW7 button to confirm
UO
On
manually that the preheat time has
reached 8 hours. Then start next step.
(Note: Compressor may get damaged if it
is started without 8 hours of preheat time)
Compressor has been preheated for 8
OC
On
hours. 2s later, next step starts.
System is lack of refrigerant and display
will be as in the left. Please cut off
power of IDU and ODU and check if
there is leakage on pipeline. Solve the
leakage problem and complement
U4
On
refrigerant into the unit. Then connect
power and restart debugging from
progress 01. (Note: Before re-charging
refrigerant, unit must be power off in case
system starts progress 10 automatically.)
Refrigerant is normal and unit will display
OC
On
as in the left for 2s. Then next step starts.
Valves of ODU are being inspected.
Compressor will start operation for 2min
ON
On
or so and then stop. The opening and
closing status of outdoor valves are as
below:
Outdoor valves are not fully turned on.
Press main board's SW6 button and
display shows "db 09 OC". Then check if
the gas and liquid valves of ODU are
U6
On
completely open. After confirmation,
press the SW6 button again. Then
compressor will start running for about
2min to inspect the status of valves.
Valves status is normal. Unit will display
OC
On
as in the left for 2s and then start next
step.
Ready for units to start debugging. Press
main board's SW7 button to confirm
AP
Blink
startup of debugging. 2s later, main
board will display as below:
27
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