NTI TFTN285 User Manual

TFTN 085-399
INSTALLATION AND OPERATION MANUAL
Version Date: 2022-09-06
HAZARD SYMBOLS AND DEFINITIONS
Danger Sign: Indicates a hazardous situation which, if not avoided, will result in serious
injury or death.
Warning Sign: Indicates a hazardous situation which, if not avoided, could result in
serious injury or death.
Caution Sign plus Safety Alert Symbol: Indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
Caution Sign without Safety Alert Symbol: Indicates a hazardous situation which, if not
avoided, could result in property damage.
Notice Sign: Indicates a hazardous situation which, if not avoided, could result in property
damage.
This Boiler must be installed by a licensed and trained Heating Technician, or the
Warranty is Void. Failure to properly install this unit may result in property damage,
serious injury to occupants, or possibly death.
NTI # 87137

NTI TFTN285 Specifications

General

Brand	NTI
Model	TFTN285
Category	Boiler
Language	English

Summary

Hazard Symbols and Definitions

1.0 Introduction

1.4 Before Operating with Propane

1.5 Boiler Vent / Air-Intake Piping

Requirements for the TFTN's special venting system for pressurized venting.

3.0 Boiler Location

3.1 Minimum Installation Clearances

Required minimum clearances around the boiler for safe installation and servicing.

4.0 General Venting

4.2 Combustion Air Intake Contamination

4.3 Flammable Solvents and Plastic Piping

Hazards of flammable solvents and mandatory pre-commissioning for plastic venting.

4.4 Boiler Exhaust & Air-Intake Vent Pipe Connectors

4.5 Vent Pipe Material

Table of acceptable vent pipe materials and standards for US and Canada.

4.6 Exhaust and Air-Intake Vent Size & Length

4.7 Direct Vent Installation

Procedures for direct vent installation, including termination options and sidewall/roof considerations.

4.9 General Venting Rules and Guidelines

5.0 Vent Termination Clearances

6.0 Condensate Drain

7.0 Installing Gas Piping

8.0 Lighting the Boiler

Operating Instructions

9.0 Gas Valve and Burner Set-up

Combustion Calibration Procedure

Procedure for calibrating burner combustion using a CO2 analyzer for optimal performance.

10.0 Boiler and Heating System Piping

10.1 Water Quality

Importance of water quality for boiler lifespan and best practices for system water.

10.2 Near Boiler Plumbing

10.3 Boiler System Plumbing

11.0 Cascade Installation

Multiple Boiler Applications

11.1 General Installation Instructions

11.2 Setup Procedure

12.0 Field Wiring

Wiring Connections

13.0 Wiring Schematics

14.0 Installation Checklist

Installation

Checklist for ensuring all installation steps are completed correctly before startup.

Start-up

Steps to follow for a safe and proper initial startup of the boiler.

Operational Checklist

Before Leaving

15.0 Annual Maintenance and Inspection

Annual Inspection Checklist

Checklist for a qualified technician to perform during annual boiler inspections.

Combustion Chamber Cleaning Procedure

Detailed steps for cleaning the boiler's combustion chamber.

Cleaning Checklist

Step-by-step guide for cleaning the combustion chamber and related components.

16.0 Display Menu Guide

16.3 Setup

16.6 Cascade

16.7 Errors

Lists active errors and error history, including type, timestamp, description, and device.

17.0 Wifi Connection

18.0 Troubleshooting

Before Servicing the Boiler

Diagnostic Procedures

Steps for troubleshooting abnormal boiler operation using diagnostic menus.

Error Codes

Table listing error codes, their problems, possible remedies, and error types.