LCAC R32 Series
98
Service manual
NO.
Color
Signal
Voltage
1
Red
Vs/Vm
200V~380V
2
-
-
-
3
Black
GND
0V
4
White
Vcc
13.5-16.5V
5
Yellow
Vsp
0~6.5V
6
Blue
FG
13.5-16.5V
DC motor voltage input and output
4.1.6 Refrigerant Leakage Detection
Malfunction conditions
Define the evaporator coil temperature T2 of the compressor starts running as Tcool.
If the following occurs 3 times, the display shows “EC” and the unit switches off:
In the first 8 minutes after the compressor starts up, if T2<Tcool-2°C is not maintained for 4 seconds
and compressor running frequency is not higher than 50Hz for 3 minutes
Possible causes
• T2 sensor error
• Indoor PCB error
• Refrigerant system error, such as leakage or blockages
Is the recool air blowing
out from indoor air outlet?
Yes
Yes
Check if T2 sensor is well
fixed. Correct the installation
or replace T2sensor. Does
the problem still remain?
No
Is there any leakage, especially
in connective components such
as the gas valve and the liquid
valve?
No
Shut off the power supply and
turn it on
2 minutes
later. Is it
still displaying the error code?
Replace indoor PCB
Yes
Repair the leakage and
recharge the refrigerant
Yes
Clear the
blockages
Yes
Are there any blockages in areas such as
the capillary or the welded points of the
pipes?
PART 6. TROUBLESHOOTING
Содержание J100Wi
Страница 1: ...LCAC R32 SERIES Tenji W Jato W Nevo W ENG Service manual ...
Страница 13: ...LCAC R32 Series 13 Service manual PART 2 INDOOR UNITS 1 5 2 Units 30 42K a Cooling b Heating ...
Страница 14: ...LCAC R32 Series 14 Service manual PART 2 INDOOR UNITS 1 5 3 Units 48 55K a Cooling b Heating ...
Страница 18: ...LCAC R32 Series 18 Service manual PART 2 INDOOR UNITS 1 10 1 Wiring diagram for T140Wi T160Wi ...
Страница 44: ...LCAC R32 Series 44 Service manual PART 2 INDOOR UNITS 3 10 FIELD WIRING ...
Страница 49: ...LCAC R32 Series 49 Service manual PART 3 OUTDOOR UNITS 3 4 Wiring diagrams T100Wo N100Wo J100Wo ...
Страница 131: ...LCAC R32 Series 131 Service manual NOTES ...
Страница 132: ...www rotenso pl email info rotenso pl Installer stamp ...