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NTI Boiler: Wiring safety: label wires and keep 120 V away from control wiring

Updated · by Aurora Star Tech Inc.

Wiring safety: label wires and keep 120 V away from control wiring on a NTI boiler: Wiring mistakes can cause unsafe operation. Label every wire before disconnecting, and keep 120 V cables separate from low voltage control cables.

Homeowner with a boiler problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Applies to: TRX150

How to fix wiring safety: label wires and keep 120 v away from control wiring: step by step

  1. Label all wires before disconnecting them when servicing.
  2. Do not connect 120 V to any control wiring terminal.
  3. Use separate cables for 120 V and low voltage control circuits.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: NTI Boiler codes

Models

TRX085TRX110CTRX150TRX199TRX199C

More other tips for boiler

Source: NTI TRX150 manual, p. 49, 54. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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