Carrier 50ZH024-060 instruction manual Book Catalog No Form 50ZH-5SI Replaces 50ZH-4SI Tab

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Copyright 2003 CARRIER Corp. · 7310 W. Morris St. · Indianapolis, IN 46231	50zh5si

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book		1	4	PC 101	Catalog No. 535-00080	Printed in U.S.A.	Form 50ZH-5SI	Pg 24	7-03	Replaces: 50ZH-4SI
	Tab	6	8

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Contents Table of Contents Safety ConsiderationsReceiving and Installation Introduction50ZH024 50ZH03050ZH036 50ZH04250ZH048 ÐUnit Base Dimensions, 50ZH060 Install Flanges for Ductwork Connections 50ZH060 only ÐProvide for Condensate DisposalÐInstall Electrical Connections ÐMinimum Airflow for Safe Electric Heater Operation CFMHIGH-VOLTAGE Connections 024Physical Data PRE-START-UP START-UPÐStart-Up Cooling Section and Make Adjustments ÐCheck for Refrigerant LeaksÐRefrigerant Charge Heating Mode Charge ÐIndoor Airflow and Airflow AdjustmentsFor 460-V Motors ÐUnit ControlsHIGH-PRESSURE Relief Valve ÐSequence of OperationÐElectrical DataÐ50ZH UsedCooling Heat Pump HeatingMaintenance DefrostÐAir Filter ÐUnit Top Removal Outdoor-Coil SideÐIndoor Blower and Motor ÐOutdoor Coil, Indoor Coil, and Condensate Drain PanÐOutdoor Fan 460 Volt Unit042 ² 048 ²ÐAccessory Electric Heat Pressure Drop In. wg ÐWet Coil Pressure DropÐFilter Pressure Drop in. wg ±Typical Heat Pump Operation, Heating Mode ÐHigh Flow Valves±Typical Heat Pump Operation, Cooling Mode ±50ZH Balance Point Chart ÐTroubleshootingÐCooling and Heating Symptom Cause RemedyTEMPERATURE-Cooling Mode PRESSURES-Cooling ModeTEMPERATURE-Heating Mode PRESSURES-Heating ModeBook Catalog No Form 50ZH-5SI Replaces 50ZH-4SI Tab