NY Thermal Sentry 2100 T2.2 Controller Installation Instructions

Installation and troubleshooting guide for the NY Thermal Sentry 2100 T2.2 boiler controller, covering menu settings, compatibility, and error codes.


NY Thermal Sentry 2100 T2.2 Controller Installation Instructions - cover page
Brand
NY Thermal
Category
Other
Document type
Installation Guide
Language
English
Pages
4
File format
PDF
File size
52 KB
Published
12 November, 2026
Updated
12 November, 2026
MD5 checksum
1DEB7CE01A0944FC9D3F1D2BEA4CF2EF

About this manual

This document provides installation instructions for the NY Thermal Sentry 2100 T2.2 controller, specifically for use with Trinity boiler models such as the T150, T200, and Ti series. It details the specific menu options available, including set points for domestic hot water and central heating, as well as gas input values and safety features like freeze protection.

What's inside

  • Model Numbers
  • Sentry Menu Options
  • Troubleshooting
  • Error Codes
  • Internal Controller Fault
  • Air Switch Issues
  • Controller Lock-up
  • Display Issues

Specifications

Compatible Boiler ModelsT150, T150C, T200, T200C, Ti100, Ti150, Ti150C, Ti200, Ti200C
Document Part Number82013
Version Date2011-07-21
Good Fuse Resistance300-400 Ohms
Blown Fuse ResistanceOL (Open)

Frequently asked questions

Can the Sentry 2100 T2.2 be used on a Ti400 boiler?

No, the Sentry control version T2.2 cannot be used on Trinity boiler model Ti400 or any non-Trinity boiler models.

What is the typical setting for the DHW Set Point?

The typical setting for the DHW Set Point is 160ºF.

What does error code ER1 indicate?

ER1 indicates that the Sentry has sensed a water temperature in excess of 250ºF at the Water Sensor.

What causes the Sentry controller to lock up?

The controller locks up due to excessive noise, current, or voltage spikes in the 120V power supply.

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