Related Manuals for Carrier 38QUS048D8T
Summarization of Contents
Safety Precautions
Precautions
General safety measures to prevent injury, damage, or death during operation or maintenance.
Information servicing(For flammable materials)
Specific safety guidelines for servicing units with flammable refrigerants.
Specifications
Model Reference
Details on specific indoor and outdoor unit models.
Pipe Length and Drop Height
Guidelines for connection pipe length and elevation.
Electrical Wiring Diagrams
Wiring diagrams for indoor and outdoor units.
Product Features
Display Function
Explains the unit's display indicators and symbols.
Safety Features
Describes built-in safety features like compressor delay and leakage detection.
Basic Functions
Overview of basic operating modes like cooling and heating.
Optional Functions
Details on additional functions like 8°C heating and self-clean.
Maintenance
First Time Installation Check
Steps for initial system checks after installation, including leak testing.
Refrigerant Recharge
Procedure for recharging the system with refrigerant.
Re-Installation
Steps for re-installing the unit, including refrigerant collection.
Indoor Unit Disassembly
Dimension
Shows the external dimensions of the indoor unit.
Filter
Procedure for removing and cleaning the air filters.
Air Inlet Grille Subassembly
Steps to remove the air inlet grille.
Air Outlet Frame Subassembly
Steps to remove the air outlet frame.
Display Board
Procedure to access and remove the display board.
Step Motor
Steps to remove the step motor for swing function.
Electrical parts
Procedure for accessing electrical components.
Fan Motor
Steps to remove and replace the fan motor.
Evaporator
Procedure for accessing and removing the evaporator.
Outdoor Unit Disassembly
Outdoor Unit Table
Table listing outdoor unit models and associated parts.
Dimension
Shows the external dimensions of the outdoor unit.
Panel Plate
Steps to remove outer panels of the outdoor unit.
Electrical parts
Procedure for accessing and removing electrical components.
Fan Assembly
Steps to remove the fan assembly.
Fan Motor
Procedure for removing the fan motor.
Sound blanket
Steps to remove the sound insulation blanket.
Four-way valve
Procedure for removing the four-way valve.
Compressor
Steps to disconnect and remove the compressor.
Troubleshooting
Safety Caution
Safety warnings before performing troubleshooting steps.
General Troubleshooting
Lists error codes and their corresponding solutions.
Complain Record Form
Form for recording customer complaints and issue details.
Information Inquiry
How to use the unit's information inquiry feature for diagnostics.
Error Diagnosis and Troubleshooting Without Error Code
Troubleshooting steps for issues without specific error codes.
Quick Maintenance by Error Code
Table mapping error codes to likely faulty parts for quick replacement.
Troubleshooting by Error Code
Detailed diagnosis and solutions for specific error codes.
Appendix
Temperature Sensor Resistance Value Table for T1, T2, T3, and T4 (°C – K)
Table of resistance values for temperature sensors at various temperatures.
Temperature Sensor Resistance Value Table for TP (for some units)(°C --K)
Resistance values for TP temperature sensor at different temperatures.
Pressure On Service Port
Charts showing system pressures for different operating conditions.
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