Lx Series Installation and Operation Instructions
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Trinity Lx
3
1.0 INTRODUCTION
General Installation Requirements
The installation of your NTI Trinity Lx boiler must conform to the requirements of this manual, your local
authority, and the National Fuel Gas Code ANSI Z223.1 and or CAN/CGA B149 Installation Codes. Where
required by the Authority, the installation must conform to the standard for “Controls and Safety Devices for
Automatically Fired Boilers ANSI/ASME CSD-1.
This document pertains to the correct installation and operation of NTI Trinity boiler models Lx150, Lx150E,
Lx200, Lx300, Lx400, Lx500, Lx600, Lx700 and Lx800. The instructions detailed in this document supersede
any and all previous instructions provided by NTI, written or otherwise. Each unit is provided with the
following:
1.
Installation and Operating Instructions,
2.
Appendix A – Controller and Touchscreen Display Instructions,
3.
Trinity User’s Manual, and
4.
Natural Gas to LP Conversion Kit*
* The conversion kit is required to convert the boiler so it will safely operate with Propane Gas.
Models Lx600-800 are not approved for operation with Propane (LP Gas). Operating
these models with Propane will result in property damage, serious injury or death.
Read and understand this entire document prior to proceeding with the installation of the
Trinity Lx. Failure to follow the instructions outlined in this document will result in
property damage, serious injury or death.
Energy Saving Feature
- This boiler is equipped with a feature that saves energy by
reducing the boiler water temperature as the heating load decreases. This feature is
equipped with an override which is provided primarily to permit the use of an external energy management
system that serves the same function. THIS OVERRIDE MUST NOT BE USED UNLESS AT LEAST ONE
OF THE FOLLOWING CONDITIONS IS TRUE
:
An external energy management system is installed that reduces the boiler water temperature as the heating
load decreases.
This boiler is not used for any space heating.
This boiler is part of a modular or multiple boiler system having a total input of 300,000 BTU/hr or greater.
This boiler is equipped with a tankless coil.
User Responsibilities
This boiler must be installed and serviced by a qualified installer or service technician. This boiler must be
serviced and inspected annually when operating in normal residential applications. Demanding applications or
extreme conditions (i.e. commercial) may require more frequent service and inspection. As the User/Owner of
this equipment, you are responsible for ensuring the maintenance is performed at the required intervals (see
Section 15 – Annual Maintenance and Inspection).
Failure to have the boiler properly serviced and inspected on a regular basis by a qualified
service technician may result in property damage, serious injury or death.
Failure to keep the Vent and Combustion Air-inlet clear of ice, snow, and other
debris may result in property damage, serious injury, or death.
Installer Responsibilities
A qualified installer is a licensed person who has appropriate training and a working knowledge of the applicable
codes, regulations, tools, equipment and methods necessary to install a boiler. The Installer assumes all
responsibility for a safe installation and that it meets the requirements of the boiler instruction manuals, as well
as National and local installation codes. It is also the installer’s responsibility to inform the User/Owner of their
obligation with respect to the description under “User Responsibilities”. Failure to follow this warning could
result in fire, serious injury, or death.
