Senville SENA/18HF/IQ - User Manual

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SPLIT-TYPE ROOM AIR CONDITIONER

Owner’s Manual &

Installation Manual

IMPORTANT NOTE:

Read this manual and SAFETY MANUAL(if any)

carefully before installing or operating your new

air conditioning unit. Make sure to save this

manual for future reference.

Please check the applicable models, technical

data, F-GAS(if any) and manufacturer information

from the “Owner's Manual - Product Fiche ”

in the packaging of the outdoor unit (European Union

products only) or in the packaging of the indoor unit

(model dependent)

SENA/09HF/IQ

SENA/09HF/OQ

SENA/12HF/IQ

SENA/12HF/OQ

SENA/18HF/IQ

SENA/18HF/OQ

SENA/24HF/IQ

SENA/24HF/OQ

Table of Contents

Questions and Answers

A
agrahamAug 8, 2025
What to do if my Senville SENA/18HF/IQ is not working?
- J
  Judy WhiteAug 8, 2025
  If your Senville Air Conditioner isn't working, here are a few things to check: * Make sure there wasn't a power failure and wait for the power to be restored. * Ensure the power is turned on. * Replace the fuse if it's burned out. * Replace the remote control batteries if they're dead. * Wait three minutes after restarting the unit, as the unit’s 3-minute protection might be activated. * Turn off the timer if it's activated.
J
Julia PerryAug 18, 2025
Why does my Senville SENA/18HF/IQ start and stop frequently?
- D
  Daniel DixonAug 18, 2025
  If your Senville Air Conditioner starts and stops frequently, it could be due to: 1. Too much or too little refrigerant in the system. Check for leaks and recharge the system with refrigerant. 2. Incompressible gas or moisture has entered the system. Evacuate and recharge the system with refrigerant. 3. The compressor is broken. Replace the compressor. 4. The voltage is too high or too low. Install a manostat to regulate the voltage.
W
Whitney HortonAug 23, 2025
What to do if my Senville SENA/18HF/IQ Air Conditioner operation is erratic?
- M
  Michelle Brooks DDSAug 23, 2025
  If your Senville Air Conditioner is operating erratically, unpredictably, or is unresponsive, it may be due to interference from cell phone towers and remote boosters. To resolve this: * Disconnect the power, then reconnect. * Press the ON/OFF button on the remote control to restart operation.
W
Wesley ParrishAug 27, 2025
Why does my Senville Air Conditioner emit a bad odor?
- C
  Christopher DiazAug 28, 2025
  If your Senville Air Conditioner emits a bad odor, it might be because the unit has absorbed odors from the environment (such as furniture, cooking, cigarettes, etc.) which will be emitted during operations. Another reason is that the unit’s filters have become moldy and should be cleaned.
W
websterdianaSep 1, 2025
Why does the fan of the outdoor unit of my Senville SENA/18HF/IQ Air Conditioner not operate?
- K
  Kyle HallSep 1, 2025
  The fan speed of the Senville Air Conditioner outdoor unit is controlled to optimize product operation.
V
vcannonNov 11, 2025
Why is my Senville SENA/18HF/IQ's cooling performance poor?
- J
  John ReedNov 11, 2025
  If your Senville Air Conditioner is not cooling well, it might be due to several reasons: * The temperature setting may be higher than the ambient room temperature. * The heat exchanger on the indoor or outdoor unit might be dirty. Clean the affected heat exchanger. * The air filter might be dirty. Remove the filter and clean it according to instructions. * The air inlet or outlet of either unit might be blocked. Turn the unit off, remove the obstruction, and turn it back on. * Doors and windows might be open. Make sure that all doors and windows are closed while operating the unit. * Excessive heat might be generated by sunlight. Close windows and curtains during periods of high heat or bright sunshine. * Too many sources of heat might be in the room (people, computers, ele...

Summary

Installation Manual

Preparation and Components

Details accessories, unit parts, and initial preparation for installation.

Indoor Unit Installation

Covers selecting location, mounting, drilling, piping, wiring, and connecting the indoor unit.

Outdoor Unit Installation

Covers selecting location, drain joint, anchoring, and connecting the outdoor unit.

Refrigerant System & Checks

Guides on refrigerant piping, air evacuation, leak checks, and electrical safety.

Final Operations

Procedures for test running the unit and packing/unpacking instructions.

Safety Precautions

Operational and Cleaning Safety

Critical warnings for safe product use, electrical hazards, and cleaning procedures.

Installation and Electrical Safety

Safety guidelines for installation, electrical work, and handling the unit.

Environmental Considerations

Information on UV-C lamps, fluorinated gases, and environmental aspects.

Unit Specifications and Features

Indoor Unit Display and Controls

Explains indoor unit display symbols, features, and manual operation.

Performance Parameters and Features

Details operating temperatures, airflow control, and advanced unit features.

Care and Maintenance

Cleaning Procedures

Step-by-step instructions for cleaning the indoor unit and its air filters.

Maintenance and Storage Guidance

Guidance on filter reminders, long-term storage, and pre-season checks.

Troubleshooting

Common Issues and Solutions

Addresses frequent operational problems, their causes, and recommended solutions.

Error Codes and Diagnosis

Lists error codes and provides guidance on diagnosing unit malfunctions.

Senville SENA/18HF/IQ Specifications

General

Brand	Senville
Model	SENA/18HF/IQ
Category	Air Conditioner
Language	English

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