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Heat pump condensing unit

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Day & Night Heat pump condensing unit C5H0V48*K*AAA*

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Day & Night Day & Night AHRI Outdoor - Ion 20 Variable-Speed Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Day & Night C5H0V48*K*AAA* product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: C5H0V48*K*AAA*
  • AHRI records represented: 376
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.7916666666666665
  • AHRI refrigerant: R-454B
  • Verified catalog model: C5H0V48*K*AAA*
  • Verified product family: Ion 20 Variable-Speed Heat Pump
  • Verified catalog brand: Day & Night
  • Verified model family: C5H0V
  • AHRI model/pattern: C5H0V48*K*AAA*
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 20 SEER2
  • Heating efficiency: up to 9.5 HSPF2
  • Compressor: variable-speed
  • Refrigerant: R-454B
  • Sound level: as low as 54 dBA
  • Capacity range: 2-5 tons within the official family
  • Official product page: https://www.dayandnightcomfort.com/en/us/products/heat-pumps/ion-20-variable-speed-heat-pump-5h0v

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 215662871

AHRI 215662871 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit FCMA5B48L0C*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215673990

AHRI 215673990 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674000

AHRI 215674000 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674010

AHRI 215674010 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674020

AHRI 215674020 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674030

AHRI 215674030 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674040

AHRI 215674040 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674050

AHRI 215674050 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674060

AHRI 215674060 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674070

AHRI 215674070 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
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Service planning

How GreenFlow handles C5H0V48*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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Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

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