CONTROL SYSTEM
SM YUDE 2-A.1 GB
11-9
ANY
0
ON
NLOAD
PUMP
OFF
ON
OPER
LED
OFF
Overflow
Water Level
Normal
BLINK
NLOAD is
forced to 0
10 min
10 min
Overflow when
unit is ON
Overflow when
unit is OFF
10 min
11.8.7
Communication malfunction
If the ODU does not receive correct signal from indoor unit for 30 seconds continuously, or
if the indoor unit does not receive message from outdoor unit for 1 minute,
the unit will stop
as communication malfunction protection; if communication malfunction resume and
compressor has stopped for 3min, the unit will resume running.
11.8.8
IPM module protection
When the compressor starts, if there is over current or control voltage low for IPM module
as some abnormal results, IPM will detect module protection signal as the unit is on. Once
the module protective signal is detected, stop the unit with module protection immediately.
If the module protection is resumed and compressor has stopped for 3min, the unit will be
allowed to operate.
If the module protection continuously occurs for 3 times, it should not be resumed
automatically, and you should press the ON/OFF button to resume.
11.8.9
Module overheating protection
If the module temperature is higher than 100
℃
, the unit will stop. If module temperature is lower
than 100
℃
, and compressor has stopped for 3min, the unit will resume operating.
If the unit stops as module overheating protection for 6 times, it can not resume running
automatically and display malfunction, it can resume by pressing ON/OFF.
11.8.10
Compressor overload protection
The Over Load Protector is used to detect the compressor's shell temperature. If the
compressor temperature rises above a certain level, the compressor OLP will be cut off.
Which will happen within 3 seconds continuously, the unit will stop and report fault.
The unit will restart after 3 min if the fault is eliminated. If the unit stops as such protection
for 3 times in 30 min, it can not resume running automatically and display malfunction, it
can resume by pressing ON/OFF.
11.9
Operating the Unit from the ON/OFF Button
Summary of Contents for YUDE024
Page 21: ...PERFORMANCE DATA SM YUDE 2 A 1 GB 5 1 5 PERFORMANCE DATA...
Page 26: ...WIRING DIAGRAMS 8 2 SM YUDE 2 A 1 GB 8 2 AWAU YUDE036 H11...
Page 27: ...WIRING DIAGRAMS SM YUDE 2 A 1 GB 8 3 8 3 AWAU YUDE036 H13 TBD...
Page 28: ...WIRING DIAGRAMS 8 4 SM YUDE 2 A 1 GB 8 4 AWSI CADE024 030 036 N11 For model 30 42...
Page 30: ...WIRING DIAGRAMS 8 6 SM YUDE 2 A 1 GB 8 6 AWSI DBD024 030 036 N11...
Page 72: ...APPENDIX SM YUDE 2 A 1 GB 14 1 14 APPENDIX APPENDIX...
