Green Flow Solution logo
Schedule Service

Evaporator coil

Back to Luxaire products

Luxaire Evaporator coil CTU48C5XFS1

Schedule Service Check Availability
Luxaire Luxaire AHRI Indoor - CTU uncased upflow/downflow aluminum indoor coil Evaporator coil Repair, maintenance, and replacement planning
Luxaire CTU48C5XFS1 product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CTU48C5XFS1
  • AHRI records represented: 127
  • 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: Luxaire
  • 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.luxaire.com/residential-equipment/heating-and-cooling/evaporator-coils/ctu_lux_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

View All
Eligible Central HP <5.4 tons

AHRI 214719829

AHRI 214719829 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719834

AHRI 214719834 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719839

AHRI 214719839 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719844

AHRI 214719844 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719849

AHRI 214719849 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719854

AHRI 214719854 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719859

AHRI 214719859 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719864

AHRI 214719864 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719869

AHRI 214719869 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214719874

AHRI 214719874 identifies a Mass Save qualified Central HP <5.4 tons from LUXAIRE with outdoor unit HH836E2S11 and indoor unit CTU48C5XFS1+TXV.
Loading more

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.

Additional Services

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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.

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

View All