Senville SENL/18CD/IX - 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

S
Shelly MendozaAug 8, 2025
What to do if my Senville SENL/18CD/IX Air Conditioner is not working?
- J
  jesse89Aug 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.
J
Jerome PayneAug 12, 2025
Why is my Senville Air Conditioner's heating performance poor?
- J
  James CookeAug 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.
K
Kristie JenkinsAug 18, 2025
Why does my Senville SENL/18CD/IX Air Conditioner emit a bad odor?
- C
  Carlos WellsAug 18, 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.
S
Sydney MurrayAug 27, 2025
Why does my Senville SENL/18CD/IX Air Conditioner start and stop frequently?
- S
  Sean PowersAug 27, 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.
A
Andrew WarnerSep 1, 2025
Why is my Senville SENL/18CD/IX Air Conditioner emitting dust?
- T
  Timothy PrestonSep 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
cfisherNov 21, 2025
Why is my Senville SENL/18CD/IX Air Conditioner not cooling properly?
- N
  Nicole AndersonNov 21, 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

Owners Manual

Unit Specifications and Features

Details on product specifications and functionalities.

Operating temperature

Recommended temperature ranges for unit operation.

Other Features

Special functions and capabilities of the air conditioner.

Airflow Angle and Manual Operation

Adjusting airflow direction and manual unit operation.

Care and Maintenance

Indoor Unit and Filter Cleaning

Instructions for cleaning the indoor unit and air filter.

Maintenance Reminders and Storage

Filter reminders, long-term storage, and pre-season checks.

Troubleshooting

Common Issues and Causes

Common problems and their possible causes.

Performance and Operation Issues

Solutions for poor cooling, heating, and operation problems.

Unit Not Working and Indicator Lights

Troubleshooting steps for unit failure and flashing indicators.

Installation Manual

Accessories

List of included accessories for installation and operation.

Installation Summary - Indoor Unit

Overview of the indoor unit installation process.

Unit Parts Identification

Identification of all parts included in the unit.

Indoor Unit Installation Steps

Detailed steps for installing the indoor unit.

Outdoor Unit Installation Steps

Detailed steps for installing the outdoor unit.

Refrigerant Piping Connection

Procedures for connecting refrigerant pipes.

Air Evacuation

Steps for evacuating the refrigerant circuit.

Electrical and Gas Leak Checks

Procedures for electrical and gas leak checks.

Test Run

Steps for performing the final operational test run.

Impedance Information

Senville SENL/18CD/IX Specifications

General

Cooling Capacity	18000 BTU
Heating Capacity	18000 BTU
Seasonal Energy Efficiency Ratio (SEER)	19
Refrigerant	R410A
HSPF	10
Phase	1
Type	Mini-Split
Indoor Unit Weight	28.66 lbs
Voltage	208-230V
Indoor Unit Noise Level	32 dB
Outdoor Unit Noise Level	55 dB
Weight (Indoor Unit)	28.66 lbs

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