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DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B

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DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B


Engineered for year-round comfort, this 47,000 BTU ducted central AC system provides dependable cooling and heating with R-454B refrigerant and 18 SEER2 performance supported by inverter technology. Its heat pump operates in temperatures as low as –5°F / –20°C, making it suitable for colder climates.

A three-cylinder, dual-stage inverter rotary compressor adjusts output automatically to keep indoor temperatures steady across larger rooms and multi-room layouts. With RS-485 and 24V control compatibility, the system integrates smoothly with a variety of central AC setups. High static pressure (200 Pa) and 7 adjustable fan speeds deliver strong, balanced airflow for multi-room or multi-floor homes.

Optional upgrades include a wired controller for fixed-location operation and a 10kW heat kit for extra heating support in extreme winter conditions. These additions allow you to tailor performance to your home’s needs.

The indoor unit installs vertically or horizontally to fit different layouts.
Note: Professional installation is required; not suitable for DIY.
Electrical specs: Indoor unit max fuse 15A, outdoor unit max fuse 60A.

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B Specifications:

Brand Della
Cooling Capacity 47,000 BTU
Heating Capacity 47,000 BTU
Efficiency Rating 18 SEER2
Fitting Area 1500
Voltage 208-230V
Pipe Length and Additional Refrigerant Info
  • Standard Charge Pipe Length: This unit is pre-charged for 25 ft of line set length.
  • Standard Charge Capacity: 8.82 lb
  • Max. Pipe Length: 165 ft
  • Max. Elevation Difference: 50 ft
  • Additional Refrigerant Charge: 0.0335 lb / ft
  • Refrigerant Type: R-454B: 
Configuration Multi-Positional
Indoor Maximum Fuse Size 15A
Outdoor Maximum Fuse Size 60A
Resources

 

 

Extended warranty program

Customers who register their central AC unit within 100 days of purchase will receive a complimentary 5-year parts warranty and a 10-year compressor warranty.

 

Cooling every corner with powerful airflow.

Up to 0.8 in. wg / 200 Pa static pressure keeps air moving smoothly through multi-floor, high-resistance zones for consistent comfort in every room.

 

 

Rest easy in tranquil comfort.

Enjoy peaceful sleep with gentle temperature adjustments that follow your body's natural rhythms.

 

Durable & efficient.

Outstanding Performance in Any Climate, Handles Extreme Environments

 

Meets heating requirements.

While the system provides standard heating, it also offers emergency heat, ideal for cold regions: the Northeast, Upper Midwest, and Rocky Mountain foothills

 

How to videos

Step-by-Step Guides for Easy Setup and Use

5 Urgent Steps Need to Know Before Installing Della Mini Split AC | Mini Split Installation Guide



Exploring Top Features Of Della App: Custom Geo Location Setup For Smart Home



How to Properly Connect Wires for Della's TL, Optima & Econo Mini Splits



Frequently Asked Questions

Can I get longer lineset extensions for this central air conditioner

Yes, Della offers different lineset lengths for central AC systems. Please note, if any individual lineset is longer than 25 feet, additional refrigerant will be required. Make sure to consult a professional HVAC technician for proper installation.

What is the difference between R454B and R410A?

R454B is a new-generation eco-friendly refrigerant that complies with EPA regulations. It can replace the original R410A models, offering better performance and greater energy efficiency.

What is the Della Central Air Conditioner Coverage?

Our central air conditioner systems include standard coverage of 3-year parts and 5-year compressor protection, with an extended warranty available when you register the unit within 100 days of purchase—upgrading coverage to 5-year parts and 10-year compressor at no extra cost.

Can the system operate in low outdoor temperatures?

Yes. The heat pump can operate in temperatures as low as –5°F / –20°C.

What type of compressor does the system use?

Each model uses an inverter rotary compressor that automatically adjusts output to maintain stable indoor temperatures.

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B


Engineered for year-round comfort, this 47,000 BTU ducted central AC system provides dependable cooling and heating with R-454B refrigerant and 18 SEER2 performance supported by inverter technology. Its heat pump operates in temperatures as low as –5°F / –20°C, making it suitable for colder climates.

A three-cylinder, dual-stage inverter rotary compressor adjusts output automatically to keep indoor temperatures steady across larger rooms and multi-room layouts. With RS-485 and 24V control compatibility, the system integrates smoothly with a variety of central AC setups. High static pressure (200 Pa) and 7 adjustable fan speeds deliver strong, balanced airflow for multi-room or multi-floor homes.

Optional upgrades include a wired controller for fixed-location operation and a 10kW heat kit for extra heating support in extreme winter conditions. These additions allow you to tailor performance to your home’s needs.

The indoor unit installs vertically or horizontally to fit different layouts.
Note: Professional installation is required; not suitable for DIY.
Electrical specs: Indoor unit max fuse 15A, outdoor unit max fuse 60A.

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B Specifications:

Brand Della
Cooling Capacity 47,000 BTU
Heating Capacity 47,000 BTU
Efficiency Rating 18 SEER2
Fitting Area 1500
Voltage 208-230V
Pipe Length and Additional Refrigerant Info
  • Standard Charge Pipe Length: This unit is pre-charged for 25 ft of line set length.
  • Standard Charge Capacity: 8.82 lb
  • Max. Pipe Length: 165 ft
  • Max. Elevation Difference: 50 ft
  • Additional Refrigerant Charge: 0.0335 lb / ft
  • Refrigerant Type: R-454B: 
Configuration Multi-Positional
Indoor Maximum Fuse Size 15A
Outdoor Maximum Fuse Size 60A
Resources

 

 

Extended warranty program

Customers who register their central AC unit within 100 days of purchase will receive a complimentary 5-year parts warranty and a 10-year compressor warranty.

 

Cooling every corner with powerful airflow.

Up to 0.8 in. wg / 200 Pa static pressure keeps air moving smoothly through multi-floor, high-resistance zones for consistent comfort in every room.

 

 

Rest easy in tranquil comfort.

Enjoy peaceful sleep with gentle temperature adjustments that follow your body's natural rhythms.

 

Durable & efficient.

Outstanding Performance in Any Climate, Handles Extreme Environments

 

Meets heating requirements.

While the system provides standard heating, it also offers emergency heat, ideal for cold regions: the Northeast, Upper Midwest, and Rocky Mountain foothills

 

How to videos

Step-by-Step Guides for Easy Setup and Use

5 Urgent Steps Need to Know Before Installing Della Mini Split AC | Mini Split Installation Guide



Exploring Top Features Of Della App: Custom Geo Location Setup For Smart Home



How to Properly Connect Wires for Della's TL, Optima & Econo Mini Splits



Frequently Asked Questions

Can I get longer lineset extensions for this central air conditioner

Yes, Della offers different lineset lengths for central AC systems. Please note, if any individual lineset is longer than 25 feet, additional refrigerant will be required. Make sure to consult a professional HVAC technician for proper installation.

What is the difference between R454B and R410A?

R454B is a new-generation eco-friendly refrigerant that complies with EPA regulations. It can replace the original R410A models, offering better performance and greater energy efficiency.

What is the Della Central Air Conditioner Coverage?

Our central air conditioner systems include standard coverage of 3-year parts and 5-year compressor protection, with an extended warranty available when you register the unit within 100 days of purchase—upgrading coverage to 5-year parts and 10-year compressor at no extra cost.

Can the system operate in low outdoor temperatures?

Yes. The heat pump can operate in temperatures as low as –5°F / –20°C.

What type of compressor does the system use?

Each model uses an inverter rotary compressor that automatically adjusts output to maintain stable indoor temperatures.

$1,289.99

Original: $4,299.96

-70%
DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B—

$4,299.96

$1,289.99

Description

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B


Engineered for year-round comfort, this 47,000 BTU ducted central AC system provides dependable cooling and heating with R-454B refrigerant and 18 SEER2 performance supported by inverter technology. Its heat pump operates in temperatures as low as –5°F / –20°C, making it suitable for colder climates.

A three-cylinder, dual-stage inverter rotary compressor adjusts output automatically to keep indoor temperatures steady across larger rooms and multi-room layouts. With RS-485 and 24V control compatibility, the system integrates smoothly with a variety of central AC setups. High static pressure (200 Pa) and 7 adjustable fan speeds deliver strong, balanced airflow for multi-room or multi-floor homes.

Optional upgrades include a wired controller for fixed-location operation and a 10kW heat kit for extra heating support in extreme winter conditions. These additions allow you to tailor performance to your home’s needs.

The indoor unit installs vertically or horizontally to fit different layouts.
Note: Professional installation is required; not suitable for DIY.
Electrical specs: Indoor unit max fuse 15A, outdoor unit max fuse 60A.

DELLA 3.91 Ton 47,000 BTU 18 SEER2 Central Ducted Two-Stage Inverter Heat Pump Split System - Multi-Position - R-454B Specifications:

Brand Della
Cooling Capacity 47,000 BTU
Heating Capacity 47,000 BTU
Efficiency Rating 18 SEER2
Fitting Area 1500
Voltage 208-230V
Pipe Length and Additional Refrigerant Info
  • Standard Charge Pipe Length: This unit is pre-charged for 25 ft of line set length.
  • Standard Charge Capacity: 8.82 lb
  • Max. Pipe Length: 165 ft
  • Max. Elevation Difference: 50 ft
  • Additional Refrigerant Charge: 0.0335 lb / ft
  • Refrigerant Type: R-454B: 
Configuration Multi-Positional
Indoor Maximum Fuse Size 15A
Outdoor Maximum Fuse Size 60A
Resources

 

 

Extended warranty program

Customers who register their central AC unit within 100 days of purchase will receive a complimentary 5-year parts warranty and a 10-year compressor warranty.

 

Cooling every corner with powerful airflow.

Up to 0.8 in. wg / 200 Pa static pressure keeps air moving smoothly through multi-floor, high-resistance zones for consistent comfort in every room.

 

 

Rest easy in tranquil comfort.

Enjoy peaceful sleep with gentle temperature adjustments that follow your body's natural rhythms.

 

Durable & efficient.

Outstanding Performance in Any Climate, Handles Extreme Environments

 

Meets heating requirements.

While the system provides standard heating, it also offers emergency heat, ideal for cold regions: the Northeast, Upper Midwest, and Rocky Mountain foothills

 

How to videos

Step-by-Step Guides for Easy Setup and Use

5 Urgent Steps Need to Know Before Installing Della Mini Split AC | Mini Split Installation Guide



Exploring Top Features Of Della App: Custom Geo Location Setup For Smart Home



How to Properly Connect Wires for Della's TL, Optima & Econo Mini Splits



Frequently Asked Questions

Can I get longer lineset extensions for this central air conditioner

Yes, Della offers different lineset lengths for central AC systems. Please note, if any individual lineset is longer than 25 feet, additional refrigerant will be required. Make sure to consult a professional HVAC technician for proper installation.

What is the difference between R454B and R410A?

R454B is a new-generation eco-friendly refrigerant that complies with EPA regulations. It can replace the original R410A models, offering better performance and greater energy efficiency.

What is the Della Central Air Conditioner Coverage?

Our central air conditioner systems include standard coverage of 3-year parts and 5-year compressor protection, with an extended warranty available when you register the unit within 100 days of purchase—upgrading coverage to 5-year parts and 10-year compressor at no extra cost.

Can the system operate in low outdoor temperatures?

Yes. The heat pump can operate in temperatures as low as –5°F / –20°C.

What type of compressor does the system use?

Each model uses an inverter rotary compressor that automatically adjusts output to maintain stable indoor temperatures.