Senville SENA/18HF/IF

Questions and Answers

J
James AndrewsAug 5, 2025
Why is my Senville Air Conditioner not cooling properly?
- R
  rodriguezdanielAug 5, 2025
  Several factors can impact cooling performance. The temperature setting might be higher than the room temperature, so lower the temperature setting. The heat exchanger could be dirty, so clean it and the filter. Obstructions in the air inlet or outlet can also cause this, so turn the unit off, remove any obstructions, and turn it back on. Ensure all doors and windows are closed. Reduce heat sources in the room and close curtains to reduce sunlight. Finally, low refrigerant could be the issue; check for leaks and refill if necessary.
A
Ann ColonAug 10, 2025
What to do if my Senville SENA/18HF/IF is not working?
- K
  Karen SalazarAug 10, 2025
  If your unit isn't working, check the following: ensure there isn't a power failure, the power is turned on, and the fuse isn't burned out. Also, check the remote control batteries and replace them if needed. Finally, the unit's 3-minute protection feature might be activated; wait three minutes after restarting the unit.
T
Tracy RitterAug 17, 2025
Why is my Senville Air Conditioner's heating not working well?
- G
  gregoryparkerAug 17, 2025
  Poor heating performance can occur if the outdoor temperature is extremely low; in this case, use an auxiliary heating device. Also, ensure that all doors and windows are closed to prevent cold air from entering. Low refrigerant due to a leak or long-term use can also cause this issue; check for leaks and refill the refrigerant if necessary.
H
hernandezrobinAug 23, 2025
Why does my Senville SENA/18HF/IF start and stop frequently?
- J
  john41Aug 23, 2025
  Frequent starting and stopping can be due to several reasons: there might be too much or too little refrigerant in the system, so check for leaks and recharge the system. Incompressible gas or moisture may have entered the system, requiring evacuation and recharge with refrigerant. A broken compressor or voltage issues (too high or too low) can also cause this. Consider installing a manostat to regulate the voltage.
S
swangAug 28, 2025
Why does my Senville SENA/18HF/IF Air Conditioner change to FAN mode automatically?
- C
  Connie BuchananAug 29, 2025
  The unit may switch to FAN mode to prevent frost from forming. Also, it can happen when the set temperature has been reached, causing the unit to turn off the compressor.

Summary

Owners Manual

Safety Precautions

Critical safety warnings and guidelines for operating and installing the air conditioner.

Unit Specifications and Features

Details indoor unit display, operating temperatures, and other functional features of the unit.

Care and Maintenance

Provides instructions for cleaning the indoor unit and its air filter for optimal performance.

Troubleshooting

Guides users through common issues, their causes, and effective solutions for troubleshooting.

Installation Manual

Accessories

Lists all included installation parts and accessories provided with the air conditioner.

Installation Summary

Presents a visual overview of the entire installation process in a step-by-step format.

Unit Parts

Identifies and labels the various components of both the indoor and outdoor units.

Indoor Unit Installation

Detailed instructions for selecting the appropriate location and mounting the indoor unit.

Outdoor Unit Installation

Guidelines for selecting the optimal location and securely anchoring the outdoor unit.

Refrigerant Piping Connection

Procedures for connecting refrigerant pipes, including length, bends, and oil trap requirements.

Wiring

Instructions, regulations, and cable sizing for performing electrical wiring of the air conditioner.

Air Evacuation

Steps for evacuating the refrigerant circuit, checking for leaks, and adding refrigerant.

Test Run

Procedures for conducting a test run to verify proper installation and operation of the unit.

Senville SENA/18HF/IF Specifications

General

Cooling Capacity	18000 BTU
Refrigerant	R410A
Phase	1
Type	Mini Split
Voltage	208/230V
Operating Temperature (Heating)	-15~24°C / 5~75°F
Outdoor Unit Dimensions (W x H x D)	35.4" x 27.6" x 12.6"
Indoor Unit Weight	26.5 lbs
Refrigerant Pipe Length (Max)	82 ft
Refrigerant Pipe Length (Min)	3 m / 10 ft
Refrigerant Pipe Diameter (Liquid)	1/4"