Introduction

The Della Home TL Versa Series Mini Split AC 048-TL-18K-MODU is a highly efficient cooling and heating solution designed for residential and commercial spaces. With a powerful 12,000 BTU capacity, it effectively cools areas up to 550 square feet while operating quietly at just 27 dBA. This ductless mini-split system features an easy installation process and includes a remote control for convenient temperature adjustments. Priced at $699, the TL Versa Series is perfect for maintaining comfortable indoor environments year-round.

Before Installation

Warning and Safety

Read this guide before installation. Failure to follow the safety instructions may result in property damage, serious injury, or death.
Please Keep this manual.

Danger:
Indicates an IMMINENTLY hazardous situation that, if not avoided, will result in death, serious injury, or serious property damage.

Warning:
Indicates an POTENTIALLY hazardous situation that, if not avoided, will result in death, serious injury, or serious property damage.

Caution:
Indicates an POTENTIALLY hazardous situation that, if not avoided, will result in minor to moderate injury. It may also be used to indicate unsafe practice.

Attention:
Pay additional attention to the instruction.

DO NOT:
Indicates prohibited actions and / or practice.

About Refrigerant

DANGER

The air conditioner is pre-charged with refrigerant. Handle the air conditioner with care and check if there is any refrigerant leakage during installation. Refrigerants have no odor and can be toxic and flammable. Rapid evaporation of refrigerant may cause frostbite, cardiac arrhythmia, and / or irritation, as well as cause environmental damage.
In the case of refrigerant leakage, shut down the appliance and disconnect from the power supply. An inspection must be performed by a qualified technician.

About Installation

WARNING

The room for the installation, use, repair, and / or storage of this air conditioner should be greater than 54 sq ft / 5m².
Stop valve cover must be installed on the air conditioner to prevent possible refrigerant leak.
Refrigerant leakage or damaged pipelines must be inspected and repaired by a qualified HVAC technician.
The appliance must be installed in accordance with applicable federal, state, and local regulations.

Name of Parts

Included Accessories (for each indoor unit)

Tools Needed (Not included)

Screw Driver
Hole Saw Ø2.75" / Ø70mm
Refrigerant Leak Detector / Liquid Leak Detector
Allen Wrench
Spanner
Torque Wrench
Measuring Tape
Spirit Level
Stud Finder
Thermometer
Vacuum Pump
Dry Wall Anchors / Molly Bolts
Wood Screws
Floor Mounting Base Kit / Wall Mount Kit
Micron Gauge / AC manifold Gauge
Copper Pipe Bender
Caulk
Tubing Cutter*
Pipe Reamer*
Tubing Flaring Tool*
Wire cutter*

NOTE: Tools marked with * are needed for shortening the refrigerant pipe and / or electrical wire to the exact desired length. ONLY a qualified HVAC technician should attempt altering the pipe length and / or the wire length. 1 Lineset converter is only supplied with 048-TL-24K2V-19S-IN indoor unit.

Product Specification (Indoor Unit)

Item	Description
Model Number	048-TL-18K-MODU
Power Supply	208 V - 230 V / 60 Hz / 1P
Rated Cooling Capacity (Btu/h)	18000
Rated Heating Capacity (Btu/h)	20000
Cooling Power Consumption	1350 W
Heating Power Consumption	1600 W
Cooling Rated Current	6.5 A
Heating Rated Current	7.5 A
Noise Level	56 dBA
Dimension	33.27" x 14.97" x 27.52" / 845 mm x 380 mm x 699 mm
Net Weight	97 lb / 44 kg
Refrigerant	R410A
Number of Indoor Unit Connection	2
Indoor Unit Connectability
048-TL-9K2V-19S-IN	O
048-TL-12K2V-19S-IN	O
048-TL-18K2V-19S-IN	X
048-TL-24K2V-19S-IN	X

Before Using

Operation Tips

Avoid placing TV, radio or large furniture under the air conditioner.
It may block wind flow or interfere with the remote control.
Avoid putting plants or objects around the outdoor unit.
It may lower the air conditioner efficiency or cause malfunction.
Avoid direct wind flow to people, pets, or plants.
Expose to direct wind flow for extended period of time may have a negative impact on your health.
Close windows and blinds.
The air conditioner can cool or warm the area with better efficiency.
Follow cleaning and maintenance routine.
Regular cleaning and maintenance are needed for the best efficiency and prevent bad odor or water leak.
DO NOT manually adjust the deflector and flaps.
It may cause injury to the user and damages to the air conditioner.

Indoor Unit and Front Panel

Display

NOTE: The graphical representation might have slight differences than the actual product.

Description

The Della Home TL Versa Series Mini Split AC is engineered with advanced technology to ensure optimal performance and energy efficiency. The system consists of an indoor unit and an outdoor unit, connected by a refrigerant line. The indoor unit is sleek and compact, making it easy to install in any room without taking up too much space. The outdoor unit is designed to be durable and weather-resistant.

The mini split AC features a multi-stage filtration system that helps purify the air, reducing allergens and pollutants. Additionally, it includes a dehumidification mode that can help control humidity levels, making it an excellent choice for areas with high humidity.

Remote Control

Status Icons

Remote Control (Inserting Battery)

Remove the back cover.
Insert 2 LR03 AAA 1.5 v batteries into the remote control.
Reinstall the back cover.

After new batteries are inserted into the remote control, the display screen will lights up for 3 seconds. Leave it for 10 seconds, the display will automatically turn off.

NOTE

Do not use rechargeable batteries.
Replace the old batteries with new ones of the same type.
Do not dispose batteries as unsorted municipal waste.

Remote Control (Remote Control Holder)

Attach the remote control holder to a wall by using the double sided adhesive tape or provided screws. NOTE: Wall anchor might needed if you install it on a dry wall.
Insert the remote control into the holder.

NOTE

Avoid exposing the remote control to direct sunlight.

Setup Guide

To set up the Della Home TL Versa Series Mini Split AC,

Start by selecting a suitable location for both the indoor and outdoor units. Ensure the outdoor unit is installed in a well-ventilated area and protected from direct sunlight and rain.
The indoor unit should be placed at least 7 feet off the ground to ensure proper airflow.
Connect the refrigerant lines and electrical connections as per the manufacturer's instructions.
Turn on the power and use the remote control to configure the settings.
You can also connect the unit to your Wi-Fi network to access additional features through the mobile app.

Care and Maintenance

CAUTION

Before cleaning the unit, you must shut down the machine and cut off the power supply for at least 5 minutes.
Never flush the air conditioner with water.

Clean the Unit

Clean the air conditioner with a soft dry cloth or a damped cloth with neutral detergent.
Remove any possible debris on the vents and air outlet.

Clean the Air Filter

Open the front panel.
Pull down the air filter.
Clean the air filter with soapy water.
Air dry the air filter.
Put the air filter back to its original position after it is dry.

Do not touch the fins inside the indoor unit with bare hands after removing the filter screen.
Check and clean the air filter regularly to prevent dust accumulation.
Clean the air filter frequently if the operating environment is dusty or has bad air quality.

Maintenance Routine

Clean the air filter screen every 3 months.
Use the self clean function to clean the indoor unit every 3 months.
Call your HVAC technician to check on the refrigerant level every 3 - 4 years.
Regularly check and remove any obstacles from the outdoor unit.

Planning to Not Operate the Air Conditioner for a Long Period

Take out the batteries from the remove control and disconnect the power supply of the air conditioner.

Using the Air Conditioner After a Long Idle Period

Clean the unit and the air filter screen.
Remove any obstacles at the air inlet and outlet of both the indoor and outdoor unit.
Make sure drain pipe is unobstructed.
Install batteries into the remove control and connect the power supply to the air conditioner.

Mini Split AC 048-TL-18K-MODU Troubleshooting

Before consulting repair or warranty, please check the following troubleshooting guide.
In the case of an persistent problem, contact a qualified technician for diagnosis and repair.

WARNING

When encountering persisting problem, stop operation and turn off the breaker. Continue operation in an abnormal condition may cause electric shock, fire, or damage to the unit.
Do not attempt to repair or modify the unit by yourself. Incorrect work may result in electric shock, fire or injury.

Problem

Possible Cause/ Explanation / Solution

The appliance is non operational

When pressing the power buttonsoon after operation was stopped

- Protective delay switch will delay the operation for 3 - 5 minutes if the air conditioner is turned onimmediately after it is turnedoff.

When switching between operation modes

- The internal protection is activated, wait for a fewminutes for the AC to resume normal operation.

The unit is currently has a turn ON timer activated.

The circuit breaker is tripped.Reset the circuit breaker.

Faulty electric connection, mismatch outlet voltage, or damaged electronic control board. Contact a qualified technician.

The electrical cable and refrigerant lineset are connected to a different lettered port and terminal on the outdoorunit.

Theappliance suddenly stopped during operation

An internal protection tripped after a sudden voltage fluctuation. Check the circuit breaker and reset if necessary.

The environment temperature is too high or too low.

The AC automatically activate de-frost process. This is not a malfunction.

Air filter is too dirty. Clean the air filter.

Some objects are obstructing air inlet or outlet of the indoor and / or the outdoor unit. Remove the obstructing object.

Strange odor from the air flow

Air filter is too dirty. Clean the air filter.

The smells of the room,furniture, or cigarettes are absorbed into the unit and then discharged. Remove odorous objects from the room.

Strange Noise

In the case of water flowing noise

- The noise may caused by the refrigerant flow, or the internal water flow during cold / dry mode. Thisis not a malfunction.

In the case of plastic cracking noise

- The noise may caused by the thermalexpansion.

Mist comes out from the air outlet

This occurs whenthe air in the room becomes cold in cool or dry mode. This does not indicate a problem.

No cool air in cold mode

When switching between operation modes

- The internal protection is activated, wait for a fewminutes for the AC to resume normal operation.

Check and make sure the temperature setting is below the environment temperature.

No warm air in heat mode

When switching between operation modes

- The internal protection is activated, wait for a fewminutes for the AC to resume normal operation.

Check and make sure the temperature setting is below the environment temperature.

The AC automatically activate de-frost process. This is not a malfunction. Wait 2 - 10 minutes for the AC to complete defrosting.

Frost built up on the outdoor unit.If the AC does not automatically activate de-frost process, force defrost processfollowing instruction on page 56.

Insufficient air flow, either cold or hot

Some objects are obstructing air inlet or outlet of the indoor and / or the outdoor unit. Remove the obstructing object.

Other heat source of heat in the room. Remove the heat source.

The fan speed is set to minimum. Try to set at a higher fan speed.

The unit does not respond to the remote control commands

Remote Control is too far away from the indoor unit.

There is an obstruction between the remote control and the indoor unit.

The batterypower has runoutin the remote control. Replace thebattery.

Child lock function is activated.Deactivate child lock on the remote control.

The displayon the indoor unit is not lit

The display is set to off on the remotecontrol. Use theremote control to turn it on.

Power failure. Check the power supply / circuitbreaker.

Water dripping from the outdoor unit

The indoor unit internal is too dirty and clogged the drainage port. Contact qualified technician for cleaning.

Condensation formed on the uninsulated drainage hose / refrigerant pipe in the line set. Contact qualified technician to properly insulate the water hose / refrigerant pipes.

Improper drainage hose installation.

WARNING

Switch off the air conditioner immediately and cut off the power supply in the event of:

Strange, loud noises during operation.
Faulty electronic control board.
Faulty fuses or switches.
Spraying water or objects inside the appliance.
Frequent circuit breaker tripped during operation.
Abnormally hot or damaged power cord or plug.
Very strong smells discharging from the appliance

Error Code

Error Code

Description

Indoor room temperature sensor fault

Indoor pipe temperature sensor fault

Outdoor pipe temperature sensor fault

Refrigerant system leakageor fault

Malfunction of indoor fan motor

Outdoor ambient temperature sensor fault

Indoor and outdoor communication fault

Outdoor discharge temperature sensor fault

Outdoor IPM module fault

Outdoor current detect fault

Outdoor PCB EEPROMfault

Outdoor fan motorfault

Outdoor suction temperature sensor fault

WARRANTY COVERAGE

The standard warranty period is one (1) year for the entire unit and all parts, with no registration required.

Pros & Cons

Pros:

High energy efficiency with up to 22 SEER rating
Quiet operation with noise levels as low as 25 dB
Advanced smart features for remote control and scheduling
Compact and sleek design for easy installation
Multi-stage air filtration system for improved air quality

Cons:

Higher upfront cost compared to traditional window units
Requires professional installation for optimal performance
Some users report issues with the mobile app connectivity
Limited compatibility with certain types of electrical systems

Customer Reviews

Customers have generally praised the Della Home TL Versa Series Mini Split AC for its efficient cooling, quiet operation, and ease of use. Many have appreciated the smart features and the ability to control the unit remotely. However, some users have reported minor issues with the installation process and occasional connectivity problems with the mobile app.

One common complaint is the need for professional installation, which can add to the overall cost. Despite this, most users agree that the benefits of this mini split AC far outweigh the drawbacks.

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