InstallationandOperationManual
10
Figure5AMI(Back)
PTU
ThePTUcontainsaninternaltransformer,whichconverts110‐120VAC,or220‐240VACinputto24VACoutputto
PCU.
Figure6PTU
110‐120VACor220‐240VACinputisoptional.Aslideswitchisusedtofulfillthis
function.PleaserefertoPowerSupplyWiringsectionforswitchusageinformation.
110-120 VAC, 60Hz, 3.86A
Or 220-240 VAC 50Hz, 1.96A
24VAC