Senville SENA/12HF/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

P
paulanguyenAug 8, 2025
What to do if my Senville SENA/12HF/IQ is not working?
- A
  Ashley RobertsAug 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.
A
Alexis OwensAug 18, 2025
Why does my Senville SENA/12HF/IQ Air Conditioner start and stop frequently?
- H
  hleeAug 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.
E
esnyderAug 23, 2025
What to do if my Senville SENA/12HF/IQ Air Conditioner operation is erratic?
- Y
  Yolanda VangAug 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.
B
Brooke HansonAug 28, 2025
Why does my Senville Air Conditioner emit a bad odor?
- P
  patricia81Aug 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.
J
Joseph CastilloSep 1, 2025
Why does the fan of the outdoor unit of my Senville SENA/12HF/IQ not operate?
- P
  petersonmelissaSep 1, 2025
  The fan speed of the Senville Air Conditioner outdoor unit is controlled to optimize product operation.
C
Carlos BassNov 12, 2025
Why is my Senville SENA/12HF/IQ's cooling performance poor?
- C
  Christopher HillNov 12, 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

Safety Precautions

Warnings for Product Use

General warnings regarding the safe operation of the air conditioner.

Cleaning and Maintenance Warnings

General Cautions

Electrical Warnings

Warnings related to electrical safety during installation and use.

Product Installation Warnings

Warnings and guidelines for the safe installation of the air conditioner.

Troubleshooting

Safety Precautions (Troubleshooting)

Critical safety warnings to follow before attempting any troubleshooting.

Common Issues and Causes

Issues and Possible Causes

Problems and Solutions

Unit Operation Issues

Indicator Lamps and Error Codes

Error Codes List

Installation Guide

Indoor Unit Installation Steps

Detailed steps for installing the indoor unit, including location, mounting, and connections.

Outdoor Unit Installation Steps

Detailed steps for installing the outdoor unit, including location and anchoring.

Refrigerant Piping Connection

Instructions for connecting the refrigerant pipes between indoor and outdoor units.

Air Evacuation and Refrigerant Handling

Procedures for evacuating the system and handling refrigerant.

Electrical and Gas Leak Checks

Checks to ensure safe electrical connections and leak-free refrigerant lines.

Test Run Procedure

Steps to perform after installation to verify unit operation.

Senville SENA/12HF/IQ Specifications

General

Brand	Senville
Model	SENA/12HF/IQ
Category	Air Conditioner
Language	English

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