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Carrier 38HDF018-036, 38HDR018-060 specifications Copyright 2006 Carrier Corporation

Models: 38HDR018-060 38HDF018-036

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Copyright 2006 Carrier Corporation

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

Book	1	4	Catalog No. 02-38HD0001-SI	Printed in U.S.A.	Form 38HD-4SI	Pg 16	2-06A	1-06	Replaces: 38HDC-3SI
Tab	3e	2f

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Carrier 38HDF018-036, 38HDR018-060 specifications Copyright 2006 Carrier Corporation

Contents

CONTENTS SAFETY CONSIDERATIONSINSTALLATION Step 1 - Complete Pre-InstallationChecksFig. 2 - 38HDF,HDR Unit Dimensions Step 2 - Rig and Mount Unit Fig. 3 - Lifting Unit with SlingFig. 4 - AccuRater Bypass Type Metering Device ComponentsTable 1A - 38HDF018-036Physical Data Table 1B - 38HDR018-060Physical Data Step 4 - Make Electrical Connections Fig. 5 - Typical Control Circuit ConnectionsTable 2 - 38HDF Electrical Data Table 3 - 38HDR Electrical Data Fig. 6 - 38HDF018-036Typical Wiring Schematic 38HDF OPERATION SEQUENCEFig. 7 - 38HDR018-060Typical Wiring Schematic 38HDR OPERATION SEQUENCESTART-UP Preliminary Checks SERVICEFig. 8 - Condenser-FanMounting Positions Refrigerant Charging NOTE For use with residential fan coils and the 40QA060 under ceiling unit only MAINTENANCE TROUBLESHOOTINGLubrication Table 5 - Subcooling Charging TableFig. 9 - Troubleshooting the Cooling Cycle Copyright 2006 Carrier Corporation