Airrex HSC-24A User Manual

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▶ It is ESSENTIAL that you read ‘NOTES ON SAFETY’ carefully

before use and follow them at all times.

▶ This AIR CONDITIONER is specified for use on the rated

voltage power supply. For use outside the local electricity

supply should be checked by a qualified electrician.

▶ We have a policy of continual improving on our products.

The contents (features and specifications) in this manual are

therefore subject to change without notice.

▶ The Warranty form is on Page 20. Please complete it now and

keep it in a safe place.

▶ Keep this manual on hand for reference.

▶ Thank you for purchasing the AIR CONDITIONER.

Before operation please read this user’s manual carefully.

HSC-12L/HSC(O)-14

HSC(O)-18/HSC(O)-24A

MODEL:

USER'S MANUAL

AIR CONDITIONER

HSC-12L HSC-14/18/24A HSCO-14/18/24A

NOZZLE TYPELOUVER TYPE

C

Table of Contents

Questions and Answers:

R
Rachel PowellAug 9, 2025
How to troubleshoot an Airrex HSC-24A that is not working?
- S
  Shannon Reid MDAug 9, 2025
  If your Airrex Air Conditioner is not working, first ensure the power plug is correctly connected. If it is loose, connect it properly. Then, check if the power button is turned "ON". Also, examine the fuse in the board and exchange it if it's blown. Finally, check the load capacity and reset the breaker on the switchboard if it has tripped. Ensure that the ambient temperature is suitable for operation (below Cooling & Dehumidifier 113° or 104° for HSC-12L models).
S
Sharon WoodsAug 16, 2025
What to do if Airrex Air Conditioner is not cooling properly?
- K
  Kevin JohnsonAug 16, 2025
  If your Airrex Air Conditioner is providing poor cooling, start by cleaning the filter, as it may be blocked with dust. Next, clean the heat exchanger to remove any accumulated dust. Ensure there are no obstacles against the inlet side, allowing at least 20 inches (50cm) of clearance. Also, make sure the ambient temperature is not too high; use the unit only below Cooling & Dehumidifier 113° or 104° for HSC-12L models.
C
Charlene BrewerAug 22, 2025
What to do if my Airrex HSC-24A Air Conditioner is not working?
- A
  andrew28Aug 23, 2025
  If your Airrex Air Conditioner is not working, there could be several reasons: * Ensure the power plug is correctly connected; if not, connect it properly. * Check if the POWER button is in the “OFF” position; if so, press it to turn it “ON”. * Examine the electric panel for a blown fuse and replace it if necessary. * Inspect the supply fuse and exchange it if blown. * Verify if the breaker on the switchboard has tripped; check the load capacity and reset it. * Confirm that the ambient temperature is not too high (over 105°F); use the unit only below 105°F.
T
Tammy MckeeAug 31, 2025
Why is my Airrex HSC-24A not cooling properly?
- C
  Christina CastanedaAug 31, 2025
  If your Airrex Air Conditioner is not cooling well, consider these potential causes: * The filter might be blocked with dust; clean the filter. * There could be dust in the heat exchanger; clean the heat exchanger. * An obstacle might be blocking the inlet side; remove the obstacle and ensure 50cm of clearance. * The ambient temperature may be too high (over 105°F); use the unit only below 105°F.

Airrex HSC-24A Specifications

General

Brand	Airrex
Model	HSC-24A
Category	Air Conditioner
Language	English

Summary

SAFETY INSTRUCTIONS

WARNING

Critical safety warnings to prevent hazards.

GENERAL ADVICE BEFORE USE

CAUTION

Safety precautions to prevent minor hazards or malfunctions.

EXTERIOR DESCRIPTION

SPECIFICATIONS

CONTROL PANEL FUNCTIONS - HSC-12L

CONTROL PANEL FUNCTIONS - HSC(O)-14/18/24A

MODE CHANGING METHOD

HOW TO SET THE 'OFF' TIMER

TEMPERATURE CONTROL OPERATION

SELECTION OF LOCK OR UNLOCK

SELECTION OF {F} OR {C}

'ERROR'and WARNING INDICATORS

'ERROR'and WARNING INDICATORS - HSC(O)-14/18/24A

Fire Alarm & Error Signal Connection

FIRE ALARM SIGNAL CONNECTION

How to connect the unit to a fire alarm system for safety.

ERROR SIGNAL CONNECTION

How to connect the unit to warning devices for error notifications.

TROUBLE SHOOTING

MAINTENANCE

Cleaning and General Care

Procedures for cleaning air filters and general unit maintenance.

ACCESSORY

WARRANTY

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