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38HDR018-060, 38HDF018-036 specifications Troubleshooting the Cooling Cycle
Models:
38HDR018-060
38HDF018-036
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Troubleshooting
38HDF018-036Typical Wiring Schematic
Dimension
Service
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Image 15
Fig. 9 — Troubleshooting the Cooling Cycle
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Image 15
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Contents
Step 1 - Complete Pre-InstallationChecks
CONTENTS
SAFETY CONSIDERATIONS
INSTALLATION
Fig. 2 - 38HDF,HDR Unit Dimensions
Device Components
Step 2 - Rig and Mount Unit
Fig. 3 - Lifting Unit with Sling
Fig. 4 - AccuRater Bypass Type Metering
Table 1A - 38HDF018-036Physical Data
Table 1B - 38HDR018-060Physical Data
Fig. 5 - Typical Control Circuit Connections
Step 4 - Make Electrical Connections
Table 2 - 38HDF Electrical Data
Table 3 - 38HDR Electrical Data
38HDF OPERATION SEQUENCE
Fig. 6 - 38HDF018-036Typical Wiring Schematic
38HDR OPERATION SEQUENCE
Fig. 7 - 38HDR018-060Typical Wiring Schematic
SERVICE
START-UP Preliminary Checks
Fig. 8 - Condenser-FanMounting Positions
Refrigerant Charging
NOTE For use with residential fan coils and the 40QA060 under ceiling unit only
Table 5 - Subcooling Charging Table
MAINTENANCE
TROUBLESHOOTING
Lubrication
Fig. 9 - Troubleshooting the Cooling Cycle
Copyright 2006 Carrier Corporation
