Airrex AHSC-18 User Manual

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AIRREX Ha P

AHSC-18

USER’S MANUAL

▶ Thank you for purchasing an AIRREX Heat Pump.

BEFORE operation please read this user’s manual carefully.

▶ Keep this manual readily available.

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

before use and follow them at all times.

▶ The Heat Pump is specified for use on a 115V`~, 60Hz,1Ph

single phase power supply. You must check that the local

electricity supply is the same and have the appropriate plug fitted

by a qualified electrician.

▶ The Warranty form is on Page 15. Please complete it now and keep

in a safe place.

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

The contents (features and specifications) in this manual are

therefore subject to change without notice.

Questions and Answers:

R
Rebecca YorkJul 30, 2025
What to do if my Airrex AHSC-18 is not working?
- A
  Antonio YorkJul 30, 2025
  If your Airrex Heat Pump isn't working, there are several things to check: * Ensure the power plug is correctly connected. If not, connect it properly. * Make sure the POWER button is turned “ON”. * Inspect the fuse in the electrical panel and the supply fuse; replace them if blown. * Examine the breaker on the switchboard; if it's tripped, check the load capacity and reset it. * Verify that the ambient temperature is suitable (below Cooling 113°F and Heating 81°F).
M
mjamesAug 14, 2025
Why is my Airrex AHSC-18 Heat Pump cooling poorly?
- J
  Jennifer FloresAug 14, 2025
  If your Airrex Heat Pump is cooling poorly, consider these potential causes: * A filter blocked with dust. Clean the filter. * Dust accumulation in the heat exchanger. Clean the heat exchanger. * An obstacle obstructing the inlet side. Remove any obstacles to allow at least 20 inches of clearance. * Ambient temperature being too high (Cooling : over 113°F, Heating : over 81°F). Use only below Cooling 113°F & Heating 81°F.

Airrex AHSC-18 Specifications

General

Brand	Airrex
Model	AHSC-18
Category	Heat Pump
Language	English

Summary

Safety Instructions

Control Panel Functions

Control Panel Overview

Description of buttons, indicators, and display on the control panel.

Operation

Running and Stopping

Selection of Area/Room or Spot Cooling or Heating

Economic Mode Operation

Cooling or Heating Temperature Control Operation

How to Set the 'Off' Timer

'Error' and Warning Indicators

Error and Warning Signal Interpretation

Explanation of various error codes (E1-E3, AF, AL) and warning indicators (FU, TP).

Fire Alarm Signal Reset

Error Display Conditions Summary

Cleaning and Maintenance

Trouble Shooting

Troubleshooting Common Issues

Guidance for resolving 'Not Working' and 'Poor Cooling' problems.

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