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Coleman Evaporator coil CTU36B5XDS1

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Coleman Coleman AHRI Indoor - CTU uncased upflow/downflow aluminum indoor coil Evaporator coil Repair, maintenance, and replacement planning
Coleman CTU36B5XDS1 product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: CTU36B5XDS1
  • AHRI records represented: 108
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9166666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: CTU36B5XDS1
  • Verified product family: CTU uncased upflow/downflow aluminum indoor coil
  • Verified catalog brand: Coleman
  • Verified model family: CTU
  • AHRI indoor model/pattern: CTU36B5XDS1
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 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
  • Cabinet code: B
  • Slab code: D
  • Brand family page: https://www.colemanac.com/residential-equipment/heating-and-cooling/evaporator-coils/ctu_col_ds/ctu-600-2000-cfm-uncased-upflow-downflow-indoor-coil
  • YorkNow model reference: https://www.yorknow.com/ctu36b5xds1.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 214650065

AHRI 214650065 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650170

AHRI 214650170 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650189

AHRI 214650189 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650210

AHRI 214650210 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650218

AHRI 214650218 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650359

AHRI 214650359 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650470

AHRI 214650470 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650611

AHRI 214650611 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650703

AHRI 214650703 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
Eligible Central HP <5.4 tons

AHRI 214650914

AHRI 214650914 identifies a Mass Save qualified Central HP <5.4 tons from COLEMAN with outdoor unit HH824E2S11 and indoor unit CTU36B5XDS1+TXV.
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Service planning

How GreenFlow handles CTU36B5XDS1 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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Our Happy Customers

Jack B.

Andrey always does a great job.

Jenny W.

Great service! On time, knowledgeable & professional

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

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