View Full Version : McQuay--Liquid Chiller--AGZ Model
02-27-2010, 07:52 PM
We have a 10+ Year old McQuay Liquid Chiller--We continue to get a Shut Down of Machine Message--Voltage Ratio--The Chiller goes in to Alarm when not being called to come on--This is a Pumpdown System--But when we arrive--Voltage Ratio Again--Has anyone Experienced this in the Past and how did you correct it??
02-28-2010, 11:11 AM
Line surge sag? Brown outs, phase loss
Bad Voltage Ratio Sensor
Read the lit from mcquay web site. They refer to this.
For the agz air cooled
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