This product is no longer in production and may only be available in limited quantities. Contact your dealer for further details.


Evolution® Multi-Zone Heat Pump with Basepan Heater

Model 538KR


No Ductwork, No Problem - Premium Comfort for Up to Nine Separate Spaces

The outdoor component of a K Multi-Zone Ductless System, this Evolution® System heat pump can provide comfort to a single large room, or throughout your home when connected with up to nine indoor units. Inverter-controlled operation means comfort is quiet and energy-efficient. From the hottest summer days, to frigid winter nights (down to -4° F), this system can keep you and your family comfortable.

  • Features
  • Specifications
  • Documents
  • Inverter Compressor
  • Up to 22.0 SEER cooling efficiency
  • Up to 10.2 HSPF heating efficiency
  • Select sizes are ENERGY STAR® certified based on indoor unit combinations
  • Available in 208/230V
  • Sizes ranging from 18 to 56 
  • Built-in basepan heater
  • Total piping length from 66 ft. to 476 ft. depending on unit size
  • Connects two to nine indoor units (zones) to a single outdoor unit
  • Multiple style indoor units, Ducted or Ductless (Evolution® System)
  • Quiet outdoor sound operation, as low as 56 decibels1
  • System diagnostics
  • 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration2
  • Compatible units: 619FB High Wall, 619KB High Wall, 619KC Cassette, 619KD Ducted, 619KF Floor Console
  • Optional Features
    • Branch Boxes (required for sizes 48 & 56)
1 Quietest size within each model group during most common cooling operating condition.
2 If properly registered within ninety (90) days after original installation, parts are warranted to the original purchaser for a period of 10 years. Otherwise, parts warranty is 5 years. For other applications a 7-year parts and 7-year compressor limited warranties apply. See warranty certificate for details.


Energy Efficiency Up to 22.0 SEER/up to 12.5 EER/up to 10.2 HSPF
ENERGY STAR® Select sizes are ENERGY STAR® certified based on indoor unit combinations


Cooling Operating Range 0° F up to 119° F (-18° C up to 48° C)
Heating Operating Range -4° F up to 75° F (-20° C up to 24° C)


Quiet Levels As low as 56 dB(A)1


Notifications Advanced system diagnostics


Compressor Inverter, isolated for sound reduction
Protections Voltage, current
Capacity 1.5 - 4.6 tons


Construction Durable, heavy gauge galvanized steel
Paint Baked-on, powder paint
Line Length Up to 476 ft.


Full Model Number 538KEQXXXRXGA


Full Model Numbers (Multi-Zone System) 619FEQXXXBBGA High Wall (Gray), 619FEQXXXHBGA High Wall (White), 619KEQXXXBBGA High Wall, 619KEQXXXDBGA Ducted, 619KEQXXXFBGA Floor Console, 619KEQXXXCBGA Cassette
Bryant reserves the right to discontinue or change any specification or design without prior notice or obligation.

1 Quietest size within each model group during most common cooling operating condition.

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