EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 - System Cool Staging Scale

©2015GoodmanManufacturingCompany,L.P.
ZoneControlSet‐up
Example:ONa4‐tonsystem,theinverterwouldstartoperatingat37% capacity.
(48,000btu’sx37%=17,760btu’sor approximately1.5tonsofcoolingrequired)
SystemCoolStagingScale
Onat4tonsystem,theInverterwouldstart
operatingat37%capacity(17,760btu=1.5ton)
0% 100%
OFF
Y2Y1
10% 50%
37%Systemcooldemand
Y2Threshold
Startup