Description
The Guardian by York 4 Ton 14.3 SEER2 Heat Pump Air Conditioner Condenser with R-454B Refrigerant (RH448E2S11) is an outdoor heat pump condensing unit designed for compatible residential split-system heating and cooling applications. It provides 4-ton nominal capacity and is designed for 14.3 SEER2 system configurations using R-454B refrigerant.
The RH448E2S11 features a two-stage scroll compressor and is designed to be matched with compatible Guardian indoor coils, furnaces, and air handlers. Guardian lists certified combinations reaching 14.3 SEER2, 11 EER2, and 7.5 HSPF2, depending on the matched indoor equipment.
Key Features
- 4 Ton Capacity – Designed for residential heating and cooling applications
- 14.3 SEER2 Efficiency – Provides efficient seasonal cooling performance in compatible matched systems
- R-454B Refrigerant – Uses lower-GWP A2L refrigerant technology
- Heat Pump Operation – Provides both heating and cooling capability
- Two-Stage Scroll Compressor – Provides two levels of compressor operation
- Direct-Drive Fan Design – Helps minimize vibration and operating sound
- Guardian Matched-System Design – Designed for use with compatible Guardian coils, furnaces, and air handlers
Benefits
- Provides heating and cooling from one outdoor heat pump
- Delivers 4-ton nominal capacity
- Supports efficient 14.3 SEER2 matched-system configurations
- Uses R-454B refrigerant technology
- Two-stage compressor operation provides additional operating flexibility
- Designed for compatibility with Guardian indoor equipment
- Backed by a 10-year limited compressor and parts warranty, subject to applicable terms
Compatibility & Installation
The RH448E2S11 is designed to be matched with compatible Guardian air handlers, furnaces, and indoor coils. Published Guardian system combinations include air-handler configurations rated at 14.3 SEER2, 11 EER2, and 7.5 HSPF2.
Installation considerations:
- Verify that the 4-ton capacity is appropriate for the application
- Confirm the outdoor unit and indoor equipment are an approved matched combination
- Verify electrical and refrigerant-line requirements
- Follow applicable R-454B/A2L installation and safety requirements
- Confirm proper airflow and ductwork configuration
- Follow manufacturer installation instructions and local codes
- Installation should be completed by a qualified HVAC professional
Frequently Asked Questions
What size is the Guardian RH448E2S11?
It is a 4-ton heat pump condenser with a nominal 48,000 BTU capacity.
What is the SEER2 rating?
The RH448E2S11 is used in certified 14.3 SEER2 matched-system configurations. Exact efficiency depends on the indoor equipment selected.
What refrigerant does this heat pump use?
It uses R-454B refrigerant.
Does the RH448E2S11 provide heating and cooling?
Yes. It is a heat pump condenser designed to provide both heating and cooling.
What type of compressor does it use?
The unit uses a two-stage scroll compressor.
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