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Honeywell HL12CES Series - User Manual

Honeywell HL12CES Series
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Portable Air Conditioner
User Manual
Read and save these instructions before use
EN
Climatiseur portatif
Mode d’emploi
Lire ces consignes avant l’utilisation de l’appareil et les conserver
FR
Aire Acondicionado Portátil
Manual del Propietario
Lea y guarde estas instrucciones antes de usar la unidad
ES
Customer Support:
Assistance Au Client:
Servicio de atencion a clientes:
Web: www.jmatek.com
USA: 1-800-474-2147 | usinfo@jmatek.com
CANADA^: 1-888-209-0999 | canadainfo@jmatek.com
^ Canada Customer Support service available for models sold in Canada only.
^ Le Service Client Canadien est disponible uniquement pour les modèles vendus sur le territoire Canadien.
^ Servicio de Atención A Clientes en Canadá disponible solo para modelos vendidos en Canadá.
Model / Modèle / Modelo:
HL12CES
HL10CES
HL14CES
HL14CHES
Series / Série / Serie

Table of Contents

Questions and Answers

  • C
    Christina FitzpatrickJul 27, 2025
    Why Honeywell HL12CES Air Conditioner runs but is not cooling?
    • B
      Bryan GouldJul 27, 2025
      Several factors can cause this. Ensure all doors and windows are closed. Check and clean the dust filter if it's dirty. Verify the hose is correctly reinstalled. Adjust the temperature setting to a lower value on the control panel. Clear any blockages from the air outlet or intake. If the room is larger than recommended, move the unit to a smaller room. Covering windows with curtains or blinds can also improve cooling effectiveness if the room has large or numerous windows.
  • J
    james80Aug 1, 2025
    Why Honeywell HL12CES heater is not switching ON?
    • J
      Jennifer KingAug 1, 2025
      Ensure that the Heating function has been activated; the indicator will be illuminated when the Heater is switched ON. Also, increase the temperature setting.
  • M
    Matthew ScottAug 7, 2025
    What to do if Honeywell HL12CES Air Conditioner in Heating Mode keeps switching off frequently?
    • J
      Joshua MckinneyAug 7, 2025
      This often happens when the room is too humid, causing the water tank to fill quickly. In Heating mode, the unit condenses moisture from the air into the internal water tank. Empty the water tank. Using the heat mode in 50% humidity or less is recommended. Avoid extra moisture by switching off humidifiers or kettles in the room.
  • P
    Phillip SmithAug 11, 2025
    What to do if my Honeywell Air Conditioning unit does not start?
    • P
      Priscilla JohnsonAug 11, 2025
      First, check if there is electricity. Then, replace the remote control batteries. Ensure the power cord is correctly plugged in by removing and reconnecting it. If you are in the USA, Canada, or Mexico, reset the safety LCDI plug. If the problem persists after these steps, contact customer support.
  • B
    benjaminingramAug 16, 2025
    What to do if my Honeywell Air Conditioner will not run and the WATER FULL indicator is on?
    • J
      Jill CamachoAug 16, 2025
      This indicates excess water condensation inside the tank. You need to drain the water, referring to the Water Condensation Drainage instructions.
  • S
    Seth WiseAug 21, 2025
    Why Honeywell Air Conditioner runs a short while only?
    • P
      pamela87Aug 21, 2025
      This issue may arise if the thermostat temperature setting is too close to the room temperature; try lowering the set temperature. Also, ensure that the air outlet is not blocked and that the hose is properly connected. Finally, make sure there are no tight bends in the air hose; connect the hose as per the instructions.

Summary

Safety Precautions

User Tips

Parts Description

Installation Guide

Use and Operation

Control Panel Overview

Overview of the control panel, its buttons, and indicator lights.

Function Buttons Explained

Explanation of the primary function buttons on the unit and their operations.

Timer and Temperature Controls

Details on setting the timer for automatic turn-off/on and adjusting temperature.

Mode Selection Guide

Description of available operating modes: Cooling, Dehumidifying, Fan, and Heating.

Fan, Heating, and Sleep Modes

Information on specific modes: Fan-only, Heat-pump, and automatic Sleep mode.

Fan Speed Settings

Options for adjusting the fan speed: High, Medium, and Low.

Remote Control Operation

Guide to operating the portable air conditioner using the remote control.

Cleaning and Maintenance

Appliance Exterior Cleaning

Basic instructions for cleaning the exterior of the air conditioner unit.

Dust Filter Maintenance

Steps for cleaning dust filters to maintain optimal air cooling efficiency.

End of Season Storage Procedures

Procedures for preparing and storing the unit when not in use for extended periods.

Water Condensation Drainage

Manual Water Draining Method

How to manually drain condensation from the unit in various operating modes.

Continuous Drainage for Dehumidifier

Recommended method for continuous water drainage when using dehumidifier mode.

Troubleshooting Guide

Error Code Guide

Honeywell HL12CES Series Specifications

General IconGeneral
TypePortable Air Conditioner
Cooling Capacity12000 BTU
Fan Speed3
RefrigerantR410A
Digital DisplayYes
Remote ControlYes
Filter TypeWashable
Power Supply115V
Operating Voltage115V
Operating Frequency60Hz
TimerYes

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