Advantage Maximum MG Series - Sensor; Coolant Pump; Chiller Controller

update 08/02/2021
Maximum Series Portable Chiller : Air & Water-Cooled : MG Series Instrument
Page: 49
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
B. Hot Gas Bypass open or digital unloading valve inoperative. Have repaired or
replace if defective by a refrigeration serviceman.
C. Expansion valve plugged or inoperative. Check thermal bulb and capillary tube
for damage. Have bulb or tube repaired or replaced if defective by a refrigeration
serviceman.
D. Plugged lter.Checklterinchilledwatercircuitandclean.
E. Air in system. Purge air.
4.8 SENSOR
A. The sensor is a solid state temperature transducer which converts
temperature input to a proportional current output.
B. To quickly test for a defective probe, switch connections between the
defective probe and a probe known to be working properly. A defective
sensor will display a “---” in the display window on the instrument control.
4.9 COOLANT PUMP
A. Thecentrifugalpumpisdesignedtooperateataspecicowand
pressureatthemaximumrunloadampdrawofthemotor.Toomuchow
can overload the motor and cause the overload circuit to open and stop the pump.
B. If the overload trips, check for electrical shorts, loose wires, or blown fuses. If these check
OK, reset the overload circuit and restart the chiller.
4.10 CHILLER CONTROLLER
A. The control instrument is used for all normal set ups, diagnostics, temperature readout
and operational information. It contains the software and electronic components which
operate the control instrument.
B. Thecontrolinstrumentisnoteldrepairable.Itcanbeeasilyremovedandreplacedor
repaired if a problem occurs.
C. AllcontrolinstrumentsusedinAdvantagewaterchillersarecoveredbythemachine’s
warranty.Proprietary“tailormade”instrumentaremanufacturedspecicallyfor
Advantage.
If you experience problems with your Advantage control instrument, it’s as easy as
1-2-3 to execute our repair or replacement system in order to get your Advantage
equipment running.
D. IN WARRANTY SERVICE INCIDENT
1. Call Advantage Service at 317-887-0729 for diagnostic assistance.
2. If a control instrument is determined to be at fault, a new or reconditioned
Typical chilled
water sensor
probe with 2
pole connector.