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Evaporator coil

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Champion Heating and Cooling Evaporator coil CTU48C5XFS1

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Champion Heating and Cooling Champion Heating and Cooling AHRI Indoor - CTU uncased upflow/downflow aluminum indoor coil Evaporator coil Repair, maintenance, and replacement planning
Champion Heating and Cooling CTU48C5XFS1 product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CTU48C5XFS1
  • AHRI records represented: 119
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.7666666666666666
  • AHRI refrigerant: R-454B
  • Verified catalog model: CTU48C5XFS1
  • Verified product family: CTU uncased upflow/downflow aluminum indoor coil
  • Verified catalog brand: Champion Heating and Cooling
  • Verified model family: CTU
  • AHRI indoor model/pattern: CTU48C5XFS1
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU nominal cooling capacity
  • Configuration: Upflow/downflow
  • Coil type: uncased MaxAlloy aluminum indoor coil
  • Metering device: no factory valve; field-selected metering device per matched outdoor unit
  • Refrigerant: R-454B low-GWP compatible family
  • Published model dimension reference: 25Hx19.5Wx21D
  • Cabinet code: C
  • Slab code: F
  • Brand family page: https://www.championhomecomfort.com/residential-equipment/heating-and-cooling/evaporator-coils/ctu_cha_ds/ctu-600-2000-cfm-uncased-upflow-downflow-indoor-coil
  • YorkNow model reference: https://www.yorknow.com/ctu48c5xfs1.html
  • Technical guide: https://www.yorknow.com/pub/media/documentation/ctm_techguide.pdf

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 214719831

AHRI 214719831 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719836

AHRI 214719836 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719841

AHRI 214719841 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719846

AHRI 214719846 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719851

AHRI 214719851 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719856

AHRI 214719856 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719861

AHRI 214719861 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719866

AHRI 214719866 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719871

AHRI 214719871 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719876

AHRI 214719876 identifies a Mass Save qualified Central HP <5.4 tons from CHAMPION HEATING AND COOLING with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
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Service planning

How GreenFlow handles CTU48C5XFS1 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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