NTI Boiler: Domestic hot water (DHW) setpoint adjustment
Domestic hot water (DHW) setpoint adjustment on a NTI boiler: DHW setpoint is changed from the home screen with the DHW +/- buttons. Range is 97 to 140 °F. The old value flashes while changing. Not applicable to non-combi models that use an aquastat. Water above 125 °F can cause severe burns or death, and at 140 °F scalding can occur in under 5 seconds.
Applies to: TRX150 combi models
How to fix domestic hot water (dhw) setpoint adjustment: step by step
- From the home screen, press DHW + or - to set the DHW temperature (97 to 140 °F).
- Confirm the new setpoint is as low as the application allows.
- Warn users that the water can scald; check the water temperature before bathing.
If the unit shows an error code, look it up: NTI Boiler codes
Models
TRX085TRX110CTRX150TRX199TRX199C
More settings shortcuts tips for boiler
Source: NTI TRX150 manual, p. 63. 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.