Manitowoc

QM20/QM30/QM45Do not purge refrigerant to the atmosphere. Capturerefrigerant using recovery equipment. Follow themanufacturer’s recommendations.ImportantManitowoc Ice assumes no responsibility for theuse of contaminated refrige rant. Damag eresulting from the use of contaminated refrigerantis the sole responsibility of the servicing company.ImportantReplace the liq uid line drie r before e vacuatingand recharging. Use onl y a Man itowoc (O.E.M.)liquid lin e filter drier to preven t voidi ng th ewarranty.CONNECTIONSThe QM series ice machines are critically charged.There are no refrigerant access ports on QM series icemachines.1. Locate the high and low side process tubes.2. Install a piercing valve (saddle valve) on both thehigh and low side process tubes.ImportantRemove piercing va lves af ter charg ing. Un it iscritically charged.ImportantPurge system wi th nitroge n wh ile brazing toprevent build u p of co pper oxide in therefrigeration system.Part Number 80-01111-9 7/10 187