LG ABNH186HLAC, Service Manual

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Service Manual 79
MPS Variable SINGLE A
1. Features & Benefits
MPS(Multi Power System) Variable Control : (Except: AUUH126B/186B/246B/608B)
Big Energy Saving with MPS Variable Control
• Basic Principle of MPS Variable Control
MPS control provides comfortable and convenient environment as there are two compressors with 60&40%
load sharing with on compressor of small capacity always working to maintain the set temperature conditions &
meanwhile other compressor is at rest if the load is low whereas in conventional system the only compressor is
working with ON/OFF cycles.
• Comfort Control
- Conventional Operation : The compressor must turn on and off to reach desired temperature setting. A large
portion of power is used during restarting. This causes unnecessary power consumption.
- MPS(Multi Power System) Control : This is a power saving system with two rotary compressors of different
capacity (60% & 40%) operating an A/C at high power until it reaches desired temperature. And when it
reaches the temperature, only the 40% capacity rotary compressor operates.
100%
40% 60%
Conventional
(On/Off Operation)
MPS Control
27
25
23
21
19
5' 10' 15' 20'
(
°
C)
(min)
100% operation 40% operation
On Off On Off
MPS Control (Multi Stage)
Conventional on/off operation (Single Stage)