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Heat pump condensing unit

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Day & Night Heat pump condensing unit B5H3V48*K*AAA*

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Day & Night Day & Night AHRI Outdoor - Ion 23 Variable-Speed Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Day & Night B5H3V48*K*AAA* product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: B5H3V48*K*AAA*
  • AHRI records represented: 93
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.875
  • AHRI refrigerant: R-454B
  • Verified catalog model: B5H3V48*K*AAA*
  • Verified product family: Ion 23 Variable-Speed Heat Pump
  • Verified catalog brand: Day & Night
  • Verified model family: B5H3V
  • AHRI model/pattern: B5H3V48*K*AAA*
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 23 SEER2
  • Heating efficiency: up to 12 HSPF2
  • Compressor: variable-speed
  • Refrigerant: R-454B
  • Sound level: as low as 55 dBA
  • Capacity range: 1.5-5 tons within the official family
  • Official product page: https://www.dayandnightcomfort.com/en/us/products/heat-pumps/ion-23-variable-speed-heat-pump-b5h3v

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 218405892

AHRI 218405892 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit FCMA5B60L0D*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413180

AHRI 218413180 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413188

AHRI 218413188 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413196

AHRI 218413196 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413204

AHRI 218413204 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413212

AHRI 218413212 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413220

AHRI 218413220 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413228

AHRI 218413228 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413236

AHRI 218413236 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218413244

AHRI 218413244 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
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Service planning

How GreenFlow handles B5H3V48*K*AAA* requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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