LG LMN078HVT User Manual

Part 3. Basic Control
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Copyright ©2017 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6.1 High pressure protection control
6.2 Low pressure protection control
n Cooling Mode
n Heating mode
6.4 Input Current control
6. Protection control
h Remarks: The data of pressure and frequency are different model by model.
Pressure range Compressor
Pd ≥ 4069 kPa Off
3938 kPa ≤ Pd < 4069 kPa
3Hz down
3840 kPa ≤ Pd < 3938 kPa
3Hz down
3709 kPa ≤ Pd < 3840 kPa
Frequency holding
3611 kPa ≤ Pd < 3709 kPa
3 Hz up
Pd < 3611 kPa
Normal control
Pressure range Compressor
Pe
> 310 kPa
Normal control
278 kPa
< Pe ≤ 310 kPa
3Hz down
245 kPa
< Pe ≤ 278 kPa
3Hz down
212 kPa
< Pe ≤ 245 kPa
3Hz down
Pe ≤ 212 kPa Off
Pressure range Compressor
Pe
> 294 kPa
Normal control
255 kPa
< Pe ≤ 294 kPa
3Hz down
229 kPa
< Pe ≤ 255 kPa
3Hz down
203 kPa
< Pe ≤ 229 kPa
3Hz down
Pe ≤ 203 kPa Off
6.3 Discharge temperature control
Temperature range Compressor
Td ≥ 105 ℃ Off
100℃ ≤ Td
< 105℃
5Hz down
95℃ ≤ Td
< 100℃
5Hz down
93℃ ≤ Td
< 95℃
Frequency holding
90℃ ≤ Td
< 93℃
3 Hz up
Td
< 90℃
Normal control
Normal control Frequency down Comp off
Input current Less than 10A 14A or less Over than 14A

LG LMN078HVT Specifications

General

Brand	LG
Model	LMN078HVT
Category	Air Conditioner
Language	English