Airwell DLSE Series User Manual

12-23
CONTROL SYSTEM
SM DLSDCI 3-A.1 GB
12.6 Thermodynamic Protections
12.6.1 IDU Protections
12.6.1.1 Condensate Water over Flow Protection
TROUBLESHOOTING
Service Manual
Multi Cinco 100 DCI 12-32 Revision 0
12.6.5 Condensate Water over Flow Protection
Each of the pins P1, P2, P3 can have two options:
1 – When it is shorted with P4
0 – When it is not shorted to P4
12.6.5.1 3 Level Logic
Used in Floor/Ceiling models.
P2 P3 Level
0 0 L0
1 0 L1
1 1 L2&3
0 1 L4
Water Level
ANY
0
BLINK
NLOAD
OPER LED
LEVEL1
LEVEL2&3
LEVEL4
NORMAL
ON
Pump
OFF
On
Off
Overflow signal
to ODU
12.6.5.2 1 Level Logic
Used in all models except for Floor/Ceiling models.
P2 P3 Level
Don’t care 1 Normal
Don’t care 0 Overflow
Each of the pins P1, P2, P3 can have two options:
1 – When it is shorted with P4
0 – When it is not shorted to P4
P2 P3 Level
Don’t care 1 Normal
Don’t care 0 Overow
ANY
0
ON
NLOAD
PUMP
OFF
ON
OPER
LED
OFF
Overflow
Water Level
Normal
BLINK
NLOAD is
forced to 0
8 min 8 min
Overflow when
unit is ON
Overflow when
unit is OFF
8 min
12.6.2 ODU Protections
12.6.2.1 Protection types
There are 2 types of protection: Thermodynamic protections and Cut-Off protection
Thermodynamic Cut-Off protection
Compressor AC Over Current Low Pressure Switch
Compressor DC Over Current / Driver Overload High Pressure Switch
Heat Sink Overheating Water Overow
Indoor Coil Overheating Exceeding Operating Conditions
Outdoor Coil Overheating
Compressor Overheat Protection
Indoor Coil Defrost
12.6.2.2 Protection status
Thermodynamic protections are based on reducing compressor frequency when needed. The following represent the
possible protection status and their actions

Airwell DLSE Series Specifications

General

Brand	Airwell
Model	DLSE Series
Category	Inverter
Language	English