Advantage Maximum MG Series - Status Indicators: MG Instrument

Maximum Series Portable Chiller : Air & Water-Cooled : MG Series Instrument
update 08/02/2021
Page: 84
ADVANTAGE ENGINEERING, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-0729 Fax: 317-881-1277
Service Department Fax: 317-885-8683
Email: service@AdvantageEngineering.com
8.7 STATUS INDICATORS : MG INSTRUMENT
A. ThecontrolinstrumentisconguredattheFactoryforthetypeandnumberof
compressors and type of capacity unloading mechanism.
B. Shown below are possible Status Indicators displays for various compressor and capacity
unloading set ups.
Setpoint : 50°F
Outputs ■
••
■
Compressor On
Scroll Compressor or
Digital Scroll Compressor
Unloading On
Hot Gas Bypass or
Digital Unloading
Setpoint : 50°F
Outputs ■■
•
■
1st Compressor On
Scroll Compressor or
Digital Scroll Compressor
2nd Compressor On
Scroll Compressor or
Digital Scroll Compressor
Unloading On
Hot Gas Bypass or
Digital Unloading
Setpoint : 50°F
Outputs ■
••
■
Compressor On
Discus Compressor
Unloader On
Setpoint : 50°F
Outputs ■■■■
Compressor On
Screw Compressor
Compressor
at 50% Capacity
Compressor
at 75% Capacity
Pulse
Typical display for chillers with a single
compressor (digital scroll or scroll) and digital
or hot gas bypass capacity unloading.
Typical display for chillers with two
compressors (digital scroll or scroll) and
digital or hot gas bypass capacity unloading.
Typical display for chillers with a discus
compressor and a capacity unloader.
Typical display for chillers with a screw
compressor showing capacity at 50% and
75%. The fourth indicator will pulse on for 10
seconds then off for 10 seconds indicating
proper compressor operation.