The Guardian by York 3 Ton 14.3 SEER2 Heat Pump Air Conditioner Condenser with R-454B Refrigerant (RH436E2S11) is an outdoor heat pump unit designed for compatible residential split-system HVAC applications. With a 3-ton capacity, 14.3 SEER2 efficiency, and R-454B refrigerant, it provides both heating and cooling when properly matched with compatible indoor equipment.

The RH436E2S11 features a two-stage scroll compressor and is designed to be paired with compatible Guardian indoor coils, furnaces, and air handlers. Guardian's published system data includes certified 3-ton combinations rated at 14.3 SEER2 and 7.5 HSPF2.

Key Features

• 14.3 SEER2 Efficiency – Provides efficient seasonal cooling performance
• R-454B Refrigerant – Uses lower-GWP A2L refrigerant technology
• Heat Pump Operation – Provides both heating and cooling
• Two-Stage Compressor – Provides two levels of compressor operation
• Split-System Compatible – Designed for use with compatible Guardian indoor equipment
• 208/230V Application – Designed for compatible residential electrical systems

Product Specifications

• Brand: Guardian by York
• Model: RH436E2S11
• Series: RH4
• Product Type: Heat Pump Condenser
• Nominal Capacity: 3 Ton
• Nominal Capacity: 36,000 BTU
• Efficiency: 14.3 SEER2
• Refrigerant: R-454B
• Compressor Type: Scroll
• Weight: Approximately 165 lb
• Application: Residential Split-System Heating & Cooling

Benefits

• Provides both heating and cooling from one outdoor unit
• Offers 3-ton capacity for compatible residential applications
• Delivers 14.3 SEER2 cooling efficiency
• Uses R-454B refrigerant technology
• Two-stage compressor operation provides additional operating flexibility
• Designed for matching with compatible Guardian indoor equipment
• Suitable for replacement and new split-system installations

Compatibility & Installation

The Guardian RH436E2S11 is designed to be matched with compatible Guardian indoor coils, furnaces, and air handlers. For example, Guardian lists the RH436E2S11 with the JHE36B5CD2SS1 air handler as a certified 3-ton combination rated at 14.3 SEER2, 10 EER2, and 7.5 HSPF2.

Another certified configuration pairs the RH436E2S11 with a JME air handler and CTF coil at 14.3 SEER2, 11 EER2, and 7.5 HSPF2.

Installation considerations:

• Verify the 3-ton capacity is appropriate for the application
• Confirm the outdoor unit and indoor equipment are properly matched
• 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 RH436E2S11?
The RH436E2S11 is a 3-ton heat pump condenser with a nominal 36,000 BTU capacity.

What is the SEER2 rating?
The RH436E2S11 is used in certified 14.3 SEER2 matched-system configurations.

What refrigerant does this heat pump use?
It uses R-454B refrigerant.

Does the RH436E2S11 provide heating and cooling?
Yes. It is a heat pump condenser designed for both heating and cooling.

What type of compressor does it use?
The unit uses a two-stage scroll compressor.