Advantage Maximum MG Series - Page 26

Maximum Series Portable Chiller : Air & Water-Cooled : MG Series Instrument
update 08/02/2021
Page: 26
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
C. PROCESS FLOW ADJUSTMENTS
1. Theoperatormustdetermineandsetproperwaterowrateforthemostefcient
and trouble free operation.
a. Waterowratethroughtheprocessisdeterminedbythepressurelosses
intheprocessloop.Generally,higherowratesresultinturbulentow
achieving maximum temperature control and lower maintenance. Since
theevaporatorinmostliquidchillersisowsensitive,theefciencyof
operationisdirectlyrelatedtotheowofliquid.
b. Maximumchillerefciencyisobtainedatapproximately2.4gpmper
tonofratedcapacity.Lowliquidowcanreduceefciencyandinsome
cases allow ice to develop in the evaporator which can damage the
evaporator.Excessiveliquidowwilltripthemotoroverloadprotection
circuit.
2. Turn the unit on to activate the process pump. Wait a few moments to allow air
to be purge from system. Observe the digital coolant pressure gauge for steady
readout.Checkunitforlowandhighow.
3. LOW FLOW
 Ifalowowconditionispresent,besureallprocessvalvesareopen.Ifall
processvalvesareopenandalowowconditionsexists,considerthefollowing:
a. Lowowcancausethelowrefrigerantpressurelimitswitchtotrip.
b. Tooperateunderalowowconditionitisnecessarytoinstallaow
bypassintheprocesscircuitry.Thiswillallowaportionoftheowto
Incoming Power Supply Connection
Point Side
Switch incoming power wires at
the connection point side only.
Typical electrical panel
Power Entry Terminal Block