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Titan Central Chillers
4.7
STATUS INDICATORS : MG INSTRUMENT
A.
The control instrument is configured 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.
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.
S e t p o i n t : 50°F
Outputs
Compressor On
Scroll Compressor or
Digital Scroll Compressor
S e t p o i n t : 50°F
Outputs
1st Compressor On
Scroll Compressor or
Digital Scroll Compressor
2nd Compressor On
S e t p o i n t : 50°F
Outputs
Compressor On
Discus Compressor
S e t p o i n t : 50°F
Outputs
Compressor On
Screw Compressor
Compressor
at 50% Capacity
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
■ • • ■
Unloading On
Hot Gas Bypass or
Digital Unloading
■ ■ • ■
Unloading On
Hot Gas Bypass or
Digital Unloading
Scroll Compressor or
Digital Scroll Compressor
■ • • ■
Unloader On
■ ■ ■ ■
Pulse
Compressor
at 75% Capacity
Page: 88
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