NTI TRX II Series Installation Quick Manual

Residential condensing gas boiler

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Installation start-up maintenance (132 pages)

Installation quick manual (20 pages)

Conversion instructions (12 pages)

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Installation

Quick Guide

For models:

TRX150

TRX199 / TRX199C

FTVN085

FTVN110 / FTVN110C

FTVN150 / FTVN150C

FTVN199 / FTVN199C

IMPORTANT

BEFORE YOU INSTALL THE BOILER.

This boiler is conﬁgured for Natural Gas from the factory.

If conversion to Propane Gas is required, the conversion kit supplied with the boiler

must be used.

This guide is designed to provide a quick overview to the qualiﬁed installer, service

agency, or the gas supplier for installing the boiler models indicated above.

IT IS NOT A SUBSTITUTE FOR THE INSTALLATION START UP MAINTENANCE MANAUL

SUPPLIED WITH THE BOILER.

The Installation Start Up Maintenance manual for each product contains the

necessary safety and national/local code requirements which, if not followed

exactly, may lead to property damages, personal injuries and/or loss of life.

NTI assumes no responsibility for damage(s) of any kind caused by inappropriate

use of this guide and/or failure to read all technical literature provided.

EN - Installation Quick Guide

TRX/FTVN

STEP 1

Residential Condensing Gas Boiler

Before Installing

Series ii

Table of Contents

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Summary of Contents for NTI TRX II Series

Page 1 NTI assumes no responsibility for damage(s) of any kind caused by inappropriate use of this guide and/or failure to read all technical literature provided.
Page 2: Before Installing
User’s Information Manuals before SA VE TH IM PO RT ES E IN ST A N T wi th th service technician. NTI is not liable for RU CT IO e cu sto NS : Ins ins pe cti m er as...
Page 3: Location Requirements
STEP 2 Installing Location Requirements Install the boiler in an area that allows for service and maintenance access to utility connections, hydronic and gas piping, intake and exhaust piping, lters, and traps. Ensure the following clearances are maintained when choosing an installation location.
Page 4 POUR INSTALLATION AVEC ÉVACUATION DIRECTE OU AVEC as e. AIR COMBURANT (Categorie IV) ns um e co el be NTI Boilers Inc. 30 Stonegate Dr., Saint John, NB, E2H 0A4, Canada thi s ov al required, the conversion kit supplied Model Fuel Input, MBH [Entrée, kW]...
Page 5: Installation
STEP 2 Installing Preparing for Exhaust Vent and Intake Air Piping Clean and dry the boiler connection. DO NOT use primer or cement on the boiler connection. When preparing pipe for installation: Ensure cuts are square. Bevel cut edges by 1/16” - 1/8”. Deburr the pipe.
Page 6 STEP 2 Installing Vent Termination Options Concentric Vent Roof Vent Termination Maintain 12” min. clearance above grade or snow level Combustion Air Combustion Air Vent Concentric Vent Sidewall Termination Combustion Air Combustion Air Vent Vent 1 in min. (a) Maintain 12” min. clearance above grade or snow level 420019002700 - Rev.
Page 7 STEP 2 Installing Two-pipe Sidewall Termination 4 in min. Exhaust Intake Gas Vent Directly Below Keep Free of Obstructions Interior View Exterior View Two-pipe Roof Termination 4 in min. Exhaust Exhaust Intake Intake * Maintain 12” min. clearance from any obstruction and above highest anticipated snow...
Page 8 STEP 2 Installing Intake Air and Exhaust Vent Materials CAUTION This boiler is certiﬁed as a “Category IV” appliance and requires a special venting system. The vent system will operate with a positive pressure in the pipe. Exhaust gases must be piped directly outdoors using the vent materials and rules outlined in the installation manual.
Page 9: Water / Gas Connections
NTI o ers indirect water heaters in a wide range of gallon sizes in stainless steel construction. The water connections must be installed in accordance with all local and National plumbing codes, or any applicable standard which prevails.
Page 10: Ch Pressure Relief Valve
STEP 2 Installing CH PRESSURE RELIEF VALVE This boiler is provided with a CH pressure Pressure relief valve that complies with the ANSI/ Relief Valve ASME Boiler and Pressure Vessel Code, Section IV (Heating Boilers). The included 30 psi CH Pressure Relief Valve must be installed at the top of the boiler, using the included pipe adapter and grommet, as illustrated.
Page 11: Connecting The Condensate Drain
STEP 2 Installing Connecting the Condensate Drain This boiler is shipped from the factory with a pre-installed CAUTION condensate trap and a separate drain hose. The supplied drain hose must be connected before routing the Do not use metal pipe for draining condensate. condensate to one of the following disposal options: a.
Page 12: Gas Connection
STEP 2 Installing Gas Connection It is recommended that this boiler be connected as the rst appliance *WARNING: If the boiler is connected to Liqueﬁed downstream of the gas meter to ensure a su cient gas supply. Propane Gas (LP) it MUST be converted using the LP Conversion Kit included with the boiler.
Page 13 STEP 2 Installing Wiring *WARNING: Install wiring and electrically ground boiler in accordance with the authority having jurisdiction or, in the absence of such an authority, follow the National Electrical Code, NFPA 70, and/or CSA C22.1 Electrical Code- Part 1 in Canada. Failure to follow all applicable local, State, and National regulations, mandates, and building supply codes could result in property damage, serious personal injury, or death.
Page 14 STEP 2 Installing 1. Connecting Power for DHW & CH Pumps (120V) and Zone Outputs (dry contact) To connect power for the CH and DHW external pumps and zone loads (pumps or valves) at the boiler junction box: Shut o the power supply at the boiler and at the circuit breaker. Shut o the gas at the manual shuto .
Page 15: User Interface
STEP 2 Installing User Interface Single Boiler 10/20/2023 20:35 17 psi 66°F Status Outlet: Power: 100 % 158 °F 10/20/2023 20:35 Single Boiler 17 psi 66°F Demand Status Outlet: Power: F.Signal 125 Target 180° Central Heating 158 °F Demand Outdoor Reset Target 180°F Central Heating F.Signal 125...
Page 16 NTI Boilers Inc. 30 Stonegate Drive Saint John, NB E2H 0A4 Canada Technical Assistance: 1-800-688-2575 Website: www.ntiboilers.com Fax: 1-506-432-1135 Visit us online 420019002700 - Rev. 00 - 20240313...

This manual is also suitable for:

Ftvn ii series Trx150 Trx199 Trx199c Ftvn085 Ftvn110 ... Show all