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OEM Carrier Transformer 40VA 120V-24V for FY5BNB060015AAAA
Carrier

OEM Carrier Transformer 40VA 120V-24V for FY5BNB060015AAAA

SKU: CARRIE-FY5BNB060015AAAA-TRANSFORMER-HT01CN241 Brand: Carrier

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Texas CMBL #19328542014
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OEM Carrier 40VA Control Transformer HT01CN241 for Model FY5BNB060015AAAA

This OEM Carrier control transformer (part number HT01CN241) is the factory-specified replacement for the FY5BNB060015AAAA fan coil unit. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching components. When the transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any commands, and no heating or cooling is produced. It is often the first component to inspect when nothing works and the breaker hasn't tripped.

  • Specs: 40VA rating | 120V primary / 24V secondary | OEM part number HT01CN241 | Meets original factory output tolerance for stable, clean low-voltage signal
  • OEM vs Generic: This is a genuine OEM Carrier transformer manufactured to exact factory VA and voltage specifications. Generic transformers may under-deliver on VA capacity under load, causing nuisance tripping of the fuse or erratic thermostat behavior — particularly in multi-stage or communicating systems.
  • Install difficulty: 2/5 — Turn off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (to confirm 24V output after install), wire stripper. Photograph all low-voltage wiring connections before disconnecting. Incorrect wiring of the secondary can damage the control board.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier FY5BNB060015AAAA fan coil unit. Always verify the transformer's VA rating and primary/secondary voltage against your unit's data plate before ordering. If you are unsure about fitment, our HVAC parts specialists are available to confirm compatibility before you buy. Order today and receive same-day shipping on in-stock items.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier FY5BNB060015AAAA?
Yes. This is the factory-specified OEM transformer for the Carrier FY5BNB060015AAAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the transformer on my Carrier FY5BNB060015AAAA?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.
My thermostat has no power. What failed?
Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.
Is this transformer compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier transformer?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
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