Senville SENL/09CD/OX - User Manual

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SPLIT-TYPE ROOM AIR CONDITIONER

Owner’s Manual &

Installation Manual

IMPORTANT NOTE:

Read this manual carefully before installing

or operating your new air conditioning

unit. Make sure to save this manual for

future reference.

SENL/09CD/220/IX

SENL/09CD/220/OX

SENL/09CD/IX

SENL/09CD/OX

SENL/12CD/220/IX

SENL/12CD/220/OX

SENL/12CD/IX

SENL/12CD/OX

SENL/18CD/IX

SENL/18CD/OX

SENL/24CD/IX

SENL/24CD/OX

SENL/30CD/IX

SENL/30CD/OX

Table of Contents

Questions and Answers

C
Crystal HallAug 8, 2025
What to do if my Senville Air Conditioner is not working?
- R
  Russell SellersAug 8, 2025
  Your Senville Air Conditioner might not be working due to several reasons. First, check for a power failure and wait for the power to be restored. Ensure that the power is turned on. If the fuse is burned out, replace it. If the remote control batteries are dead, replace them. Also, the unit’s 3-minute protection might be activated; wait three minutes after restarting the unit. Finally, check if the timer is activated and turn it off if necessary.
H
hcainAug 12, 2025
Why is my Senville Air Conditioner's heating performance poor?
- N
  nguyenpaulAug 12, 2025
  Poor heating performance in your Senville Air Conditioner can be due to a few reasons. The outdoor temperature might be extremely low. Cold air could be entering through doors and windows. Also, low refrigerant due to a leak or long-term use could be the cause.
S
Sarah JonesAug 17, 2025
Why does my Senville SENL/09CD/OX emit a bad odor?
- L
  Lonnie WilliamsAug 17, 2025
  If your Senville Air Conditioner is emitting a bad odor, it could be due to a couple of reasons. The unit may have absorbed odors from the environment, such as furniture, cooking, or cigarettes, which are then emitted during operation. Alternatively, the unit’s filters may have become moldy and should be cleaned.
K
Kara NortonAug 28, 2025
Why does my Senville Air Conditioner start and stop frequently?
- H
  harrisjanetAug 28, 2025
  The frequent starting and stopping of your Senville Air Conditioner can be attributed to several issues. There might be too much or too little refrigerant in the system, so check for leaks and recharge the system with refrigerant. Another cause could be incompressible gas or moisture in the system, requiring you to evacuate and recharge the system with refrigerant. A broken compressor could also be the reason, in which case you would need to replace it. Lastly, the voltage might be too high or too low, and you may need to install a manostat to regulate the voltage.
J
Jaime WestSep 2, 2025
Why is my Senville Air Conditioner emitting dust?
- R
  Rodney BryantSep 2, 2025
  If dust is emitted from your Senville Air Conditioner, it may have accumulated during extended periods of non-use. Covering the unit during long periods of inactivity can mitigate this.
C
Christopher MartinNov 22, 2025
Why is my Senville SENL/09CD/OX not cooling properly?
- C
  Cheryl HendricksNov 22, 2025
  Several factors can cause poor cooling performance in your Senville Air Conditioner. Ensure that the temperature setting is not higher than the ambient room temperature. A dirty heat exchanger on either the indoor or outdoor unit can also be the culprit; clean the affected heat exchanger. Similarly, a dirty air filter should be removed and cleaned. Check for any blockages in the air inlet or outlet of either unit, and remove any obstructions. Make sure all doors and windows are closed to prevent warm air from entering. Close windows and curtains to reduce excessive heat from sunlight. Reduce the number of heat sources in the room, such as computers and electronics. If there's low refrigerant due to a leak or long-term use, check for leaks, reseal if necessary, and top off the refrigerant. ...

Summary

Safety Precautions

Safety Precautions Before Operation and Installation

Key safety warnings before starting operations or installation.

WARNINGS FOR PRODUCT USE

Important safety guidelines for using the product.

ELECTRICAL WARNINGS

Critical safety information related to electrical connections and use.

WARNINGS FOR PRODUCT INSTALLATION

Crucial safety warnings for proper installation procedures.

Unit Specifications and Features

Troubleshooting

Common Issues

Lists common problems, their causes, and solutions.

Poor Cooling Performance

Explains causes and solutions for poor cooling.

The unit is not working

Installation Summary - Indoor Unit

Installation Summary - Indoor Unit

Indoor Unit Installation

Indoor Unit Installation

Outdoor Unit Installation

Outdoor Unit Installation

Refrigerant Piping Connection

Connection Instructions - Refrigerant Piping

Air Evacuation

Evacuation Instructions

Note on Adding Refrigerant

Electrical and Gas Leak Checks

Electrical Safety Checks

Verifying the safety and proper operation of the electrical system.

Gas Leak Checks

Methods for detecting refrigerant leaks at connection points.

Test Run

Test Run Instructions

Steps to perform to ensure the unit operates correctly after installation.

DOUBLE-CHECK PIPE CONNECTIONS

Senville SENL/09CD/OX Specifications

General

Cooling Capacity	9000 BTU
Heating Capacity	9000 BTU
Seasonal Energy Efficiency Ratio (SEER)	19
Refrigerant	R410A
Compressor Type	Inverter
Inverter Technology	Yes
Type	Mini Split Air Conditioner
Voltage	115V/60Hz
Operating Temperature (Heating)	-15°C to 24°C
Warranty	5 years

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