Carrier 24ANA installation instructions Final Checks, Care and Maintenance

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OAT Thermistor must be locked in place with spherical nib end facing to- wards the front of the control box

OCT Thermistor must be secured tight on the liquid tube.

24ANA

Fig. 8 - Outdoor Air Thermistor (OAT) Attachment

FINAL CHECKS

IMPORTANT: Before leaving job, be sure to do the following:

1.Ensure that all wiring is routed away from tubing and sheet metal edges to prevent rub-through or wire pinching.

2.Ensure that all wiring and tubing is secure in unit before adding panels and covers. Securely fasten all panels and covers.

3.Tighten service valve stem caps to 1/12-turn past finger tight.

4.Leave Users Manual with owner. Explain system operation and periodic maintenance requirements outlined in manual.

5.Fill out Dealer Installation Checklist and place in customer file.

Fig. 9 - Outdoor Coil Thermistor (OCT) Attachment

CARE AND MAINTENANCE

For continuing high performance and to minimize possible equipment failure, periodic maintenance must be performed on this equipment.

Frequency of maintenance may vary depending upon geographic areas, such as coastal applications. See Users Manual for information.

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Contents Safety Considerations Unit Operation and Safety HazardIndoor Thermostat Control Options Electrical Shock HazardInstallation Recommendations InstallationInstall on a Solid, Level Mounting Pad Check Equipment and Job SiteOperating Ambient Make Piping ConnectionsOutdoor Unit Connected to Factory Approved Indoor Unit Personal Injury and Environmental HazardInstall Liquid-Line Filter Drier Indoor Accessory UsageRefrigerant Tubing Connection Outdoor Sweat ConnectionInstall Accessories Make Electrical ConnectionsCompressor Crankcase Heater START-UP Make Airflow SelectionsEnvironmental Hazard System Functions And Sequence Of Operation Time Delays Compressor Operation on 24ANA1 ModelsCrankcase Heater Operation Outdoor Fan Motor OperationTroubleshooting Check Charge230V Line Power Disconnect Detection Unloader Test ProcedureCompressor Voltage Sensing Contactor Shorted DetectionFailed Thermistor Default Operation Stage ControlField Connections Stage CompressorCare and Maintenance Final ChecksTroubleshooting Status CodesExample Volt Factory Wiring Puronr R-410A Refrigerant Quick Reference Guide Catalog No 24ANA---6SI