Delta 80CS048J24 User Manual

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www.delta-dct.com

VRF STANDARD FOUR-WAY CASSETTE

INDOOR UNITS

80CS SERIES

INSTRUCTION MANUAL

WARNING!

Read and follow all safety precautions in

Instruction Manual - improper use can cause

serious injury.

Questions and Answers:

W
wsmithAug 2, 2025
How to fix a Delta 80CS048J24 Air Conditioner that doesn’t run at all?
- S
  spencerrhondaAug 2, 2025
  If your Delta Air Conditioner isn't running at all, there could be several reasons: * The fuse or breaker might be broken. In this case, change the fuse or close the breaker. * There might be a power failure. If so, restart the unit when the power supply is restored. * The power supply might not be connected properly. Ensure you connect the power well. * Low-voltage batteries could be the issue. Try replacing the batteries. * The wireless remote controller might be out of range. Make sure the controller is within the control range.
J
Julia ValdezAug 8, 2025
What to do if Delta 80CS048J24 Air Conditioner starts but then stops immediately?
- J
  Joseph JohnsonAug 8, 2025
  If your Delta Air Conditioner starts and then stops immediately, it's likely due to a blockage in the inlet or outlet vent of either the indoor or outdoor unit. To resolve this, clean away any blockage you find.
N
nicolasserranoAug 13, 2025
Why is my Delta Air Conditioner not cooling or heating properly?
- A
  Anthony ZamoraAug 14, 2025
  Abnormal cooling or heating in your Delta Air Conditioner can stem from several causes: * A blockage in the inlet or outlet vent of the indoor or outdoor unit. Ensure you clean away any blockage. * Improper temperature settings. Adjust the settings using the wireless remote controller. * Low fan speed. Modify the fan speed settings via the wireless remote controller. * Incorrect wind direction. Correct the wind direction settings on the wireless remote controller. * An open door or window. Make sure to close any open doors or windows. * Direct sunlight. Hang a curtain or jalousie in front of the windows.
S
Shannon WrightAug 20, 2025
Why is mist blown out from the Delta 80CS048J24 Air Conditioner?
- R
  richard73Aug 20, 2025
  The mist blown out from the Delta Air Conditioner is due to the high humidity air in the room being cooled rapidly, especially when cooling.

Delta 80CS048J24 Specifications

General

Brand	Delta
Model	80CS048J24
Category	Air Conditioner
Language	English

Summary

Safety Information

General Safety Warnings

General warnings about potential hazards and incorrect operation.

Important Safety Notes

Important notes regarding electrical connections, maintenance, and usage precautions.

Installation of the Cassette Type Indoor Unit

Schematic Diagram of Installation Spaces

Illustrates required clearances and placement for indoor unit installation.

Selection of the Installation Location

Guidelines for choosing an appropriate and safe installation site.

Important Notices for Installation

Key considerations and requirements before commencing installation.

Ceiling Opening and Hoisting Screw Dimensions

Specifies dimensions for ceiling cutouts and hoisting screw placement.

Hoisting the Air Conditioner Main Body

Procedures for lifting and positioning the main indoor unit body.

Refrigerant Pipe Connection

Steps for correctly connecting refrigerant pipes to the unit.

Drainage Hose Installation

Details on connecting and routing the condensate drain hose.

Drain Raising Pipe Installation

Instructions for installing a drain raising pipe if needed.

Drainage Check Procedure

How to verify proper drainage after installation.

Electrical Wiring Guidelines

Instructions and considerations for electrical connections.

DIP Switch Function Description

Explains the function of the DIP switch for unit operation settings.

Panel Installation Procedure

Steps for mounting the decorative panel onto the indoor unit.

Structure and Part Name of the Cassette Type Indoor Unit

Working Temperature Range

Wired Controller and Wireless Controller

Wired Controller Functions

Details on the wired remote controller's display and buttons.

Wireless Controller Operation

Wireless Controller Panel and Functions

Overview of the wireless controller's interface and button operations.

Specific Wireless Controller Button Functions

Detailed explanations for buttons like X-FAN, MODE, FAN, CLOCK, TIMER.

Advanced Wireless Controller Functions

Explains special functions like TURBO, SLEEP, LOCK, and Swing.

Battery Replacement Guide

Instructions for replacing batteries in the wireless remote.

Operation Method In Case of Emergency

Troubleshooting

Maintenance

Air Filter Cleaning

Steps for removing, cleaning, and reinstalling the air filter.

Air Purifier Installation and Maintenance

Procedures for installing and replacing the air purifier filter.

Outlet Vent and Surface Panel Cleaning

Guidelines for cleaning the unit's outlet vent and exterior surface.

Seasonal Maintenance Checks

Recommended checks before and after the usage season.

Model and Technical Specifications

Cassette Type Indoor Unit Specifications

Detailed technical data for various indoor unit models.

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