Della 1D4-TL+D1224
DELLA 35K BTU Dual Zone Mini Split Air Conditioner Heat Pump (Model 1D4-TL+D1224) Instruction Manual
Model: 1D4-TL+D1224 | Brand: Della
1. Rhagymadrodd
This manual provides comprehensive instructions for the installation, operation, and maintenance of your DELLA 35K BTU Dual Zone Mini Split Air Conditioner Heat Pump. This unit offers energy-efficient cooling and heating for up to 2050 sq. ft., featuring 19 SEER2, Wi-Fi, and Alexa compatibility. Please read this manual thoroughly before installation and operation to ensure proper use and safety.
2. Gwybodaeth Diogelwch
Cyfarwyddiadau Diogelwch Pwysig:
- This system mandates professional installation. It is not a DIY mini split AC.
- Ensure all power sources are turned off before connecting any wires or performing maintenance.
- Line-set vacuuming is required during installation. Any alteration of line-set length requires adjusting freon levels.
- Always use appropriate tools and follow local electrical and building codes.
- Peidiwch â cheisio atgyweirio na chynnal a chadw'r uned eich hun. Cysylltwch â phersonél gwasanaeth cymwys.
3. Cynnwys Pecyn
Your DELLA Dual Zone Mini Split Air Conditioner package includes the following components:
- 1 x Outdoor Condenser Unit (35,000 BTU)
- 2 x Indoor Air Handlers (12,000 BTU and 24,000 BTU)
- 2 x Remote Controls (one for each indoor unit)
- 2 x 16ft Copper Pipes (1/4"+1/2" and 1/4"+3/8")
- 2 x Installation Kits
- Drain Pipe (78.7" length)
- Cebl Cyfathrebu
- Plât Mowntio
- Traed Rwber
- Ewyn Inswleiddio
- Llawes Wal
- Plasticine Putty
- Sgriwiau ac Angorau
- Templed Brac


4. Gosod a Gosod
Professional installation is mandatory for this system. It is not designed for DIY installation.
- Paratoi Lleoliad Mowntio: Use the provided template to mark locations for the lineset wall hole and the mini split bracket.
- Install Indoor Unit Bracket: Securely attach the mini split bracket to the wall using the provided screws. Use a leveler to ensure correct alignment.
- Route Lineset and Electricals: Route the lineset, drain hose, and electrical wiring through the wall opening.
- Uned Dan Do Mowntio: Securely mount the indoor mini split unit onto the bracket.
- Organize Linesets: Tape the drain hose and linesets together for a neat and organized installation. Use zip ties to secure electrical wires around the taped linesets and drain hose.
- Lleoliad Cyddwysydd Awyr Agored: Rhowch yr uned cyddwysydd awyr agored yn ei lleoliad dynodedig.
- Connect Linesets: Connect the unit lineset to the condenser lineset and tighten firmly. If available, use a digital torque wrench to ensure proper tightening.
- Cysylltiadau Trydanol: Ensure all power sources are turned off. Remove the electrical compartment cover. Connect the numbered wires from the indoor unit to the corresponding numbered terminals on the outdoor condenser's electrical block. Connect the ground wire (green to green). Connect the power cables (black to 'N', red to 'L') to the condenser.
- Sugio'r System: Ensure you have appropriate vacuum equipment. Connect the hose from the outdoor condenser unit to the gauge, and the hose from the vacuum to the gauge. Open valves on the gauge and turn the vacuum on. Monitor the micron reading closely and close valves once it reaches 350. Turn off the vacuum pump.
- Activate Refrigerant Flow: Restore power to the outlet. Turn the mini split unit on and set it to the lowest cold setting. Allow a few minutes for the outdoor condenser fan to start. Use a service wrench to gradually open the high side (top valve). Monitor the gauge as numbers will drop into the negative range. After opening the high side valve, quickly open the low side (bottom valve). The gauge readings will increase, which is expected.
5. Cyfarwyddiadau Gweithredu
Your DELLA Mini Split system offers various modes and features for optimal comfort and energy efficiency.
5.1 Swyddogaethau Rheoli o Bell
The included remote controls allow you to manage your indoor units individually. Key functions include:
- Ymlaen / i ffwrdd: Trowch yr uned ymlaen neu i ffwrdd.
- Dewis Modd: Choose between Heating, Cooling, Dry (dehumidifying), Fan Only, and Auto modes.
- Addasiad Tymheredd: Set your desired temperature (60-90°F range).
- Cyflymder Fan: Adjust fan speed (multiple settings available).
- 4D Airflow: Control vertical and horizontal swing for even air distribution.
- Swyddogaeth Amserydd: Gosodwch amseroedd penodol i'r uned droi ymlaen neu i ffwrdd.
- Modd Cwsg: Yn optimeiddio tymheredd a chyflymder ffan ar gyfer cwsg cyfforddus.
- ECO Energy Saving Mode: Yn lleihau'r defnydd o ynni.
- Swyddogaeth Turbo: Yn darparu oeri neu wresogi cyflym.
- Modd Teimlo Rwy'n: Adjusts temperature based on the remote's location for personalized comfort.

5.2 Smart Control with Della+ App (Wi-Fi & Alexa)
Control your DELLA Mini Split unit remotely using the free Della+ app, compatible with Wi-Fi and Alexa. This allows for advanced scheduling, mode selection, and geo-location features.
- Mynediad o Bell: Control your unit from anywhere with an internet connection.
- Amserlennu: Set custom schedules for your unit to turn on/off or change modes.
- Geo-Location Function: Automatically adjust AC settings based on your proximity to your home.
- Rheoli llais: Integrate with Alexa for hands-free temperature adjustments.

6. cynnal
Regular maintenance ensures optimal performance and longevity of your DELLA Mini Split unit.
- Glanhau hidlydd: Regularly clean or replace air filters in the indoor units to maintain airflow and efficiency.
- Glanhau Uned Awyr Agored: Keep the outdoor condenser unit free from debris, leaves, and obstructions to ensure proper heat exchange.
- Gwiriad Llinell Draenio: Periodically check the drain line for blockages to prevent water leakage.
- Arolygiad Proffesiynol: Schedule annual professional inspections to check refrigerant levels, electrical connections, and overall system health.
7. Datrys Problemau
If you encounter issues with your DELLA Mini Split unit, refer to the following common troubleshooting tips:
- Uned Ddim yn Troi Ymlaen: Gwiriwch y cyflenwad pŵer, y torrwr cylched, a sicrhewch fod batris y teclyn rheoli o bell yn gweithio'n iawn.
- Oeri/Gwresogi Annigonol: Verify temperature settings, clean air filters, and ensure no obstructions around indoor/outdoor units.
- Sŵn Anarferol: Minor operational noises are normal. Excessive or unusual noises may indicate a problem; contact professional service.
- Codau Gwall: If an error code appears on the display (e.g., "EU code" as mentioned by some users), consult the full user manual or contact customer support for specific diagnostic steps.
- Wi-Fi/Alexa Connectivity Issues: Ensure your Wi-Fi network is stable and the Della+ app is updated. Re-pair the device if necessary.
8. manylebau
| Nodwedd | Manylyn |
|---|---|
| Rhif Model | 1D4-TL+D1224 |
| Gallu BTU | 35,000 BTU/h (Dual Zone: 12,000 BTU + 24,000 BTU) |
| Sgôr SEER2 | 19 GWELER2 |
| Cyftage | 208-230V |
| Maes Cwmpas | Up to 2050 Sq. Ft. (550 Sq. Ft. for 12K unit, 1500 Sq. Ft. for 24K unit) |
| Tymheredd Gweithredu (Gwresogi) | I lawr i -13°F (-25°C) |
| Math o Oergell | R454B (environmentally friendly) |
| Lefel Sŵn (Dan Do) | 36 dBa (ultra silent) |
| Nodweddion Arbennig | 4D Airflow, I Feel Mode, 24-hour Timer, Sleep Mode, ECO Mode, Multiple Fan Speeds, Turbo Function, Dehumidifier, Remote Controlled, Alexa & Wi-Fi Compatible |
| Maint Ffiws Uchaf | 35A |
| Dimensiynau Cynnyrch | 8.07"D x 31.92"W x 11.49"H (Indoor Unit) |
| Pwysau Eitem | 224 pwys (system gyfan) |
| Ardystiadau | ETL Listed, AHRI Certified |


9. Gwarant a Chefnogaeth
DELLA offers unmatched support and warranty coverage for your peace of mind.
- Gwarant Oes Cyfyngedig: Enjoy best-in-class warranty coverage with no additional costs.
- Cefnogaeth i Gwsmeriaid: 24/7 live chat support is available. Phone support is available from 6 AM to 4 PM PST.

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