Bradford White FT Series User Manual

Installation and Operation Instructions Document 1538
WARNING
If the information in this manual is not
followed exactly, a re or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
ammable vapors and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the re department.
Installation and service must be performed
by a qualied installer, service agency, or gas
supplier.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualied in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in ue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
AVERTISSEMENT
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d’incendie ou d’explosion
ou pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d’essence ou ni
d’autres vapeurs ou liquides inammables dans
le à proximité de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE
GAZ:
• Ne pas tenter d’allumer d’appareils.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones dans le bâtiment où vous vous
trovez.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L’installation et l’entretien doivent être assurés par
un installateur ou un service d’entretien qualié
ou par le fournisseur de gaz.
Installation and Operation
Instructions for
Wall-Mounted Modulating Condensing
Gas Boiler (Includes Optional Floor
Stand Accessory Information)
Model FTHW301 and FTHW399
• Natural Gas (NG) - Factory Conguration
• Propane Gas (LP) - Field-Convertible

Bradford White FT Series Specifications

General

Model	FT Series
Category	Boiler
Fuel Type	Natural Gas or Propane
Efficiency	Up to 95% AFUE
Boiler Type	Condensing
Heat Exchanger	Stainless Steel
Vent Type	Direct Vent
Ignition Type	Electronic
Water Content	Varies by model
Vent Diameter	2"
Warranty	5 years on parts
Input Range	50, 000 to 285, 000 BTU/h

Summary

SECTION 2 Product Characteristics

2.3 Specifications

Lists technical specifications for the FTHW301 and FTHW399 models, including input rates and vent sizes.

SECTION 3 Safety Regulations

3.1 Safety Symbols

Explains safety symbols like DANGER, WARNING, CAUTION and their definitions.

3.2 Safety Precautions and Proper Use

Details critical safety precautions for operation and handling of flammable materials.

SECTION 4 Installation

4.1 Location and Clearances (wall)

Specifies required clearances from combustibles and service access for wall mounting.

4.2 Location and Clearances for Boiler with Optional Floor Stand

Specifies clearances for boilers installed with an optional floor stand.

4.2.1 Flooring & Leveling : Installing the FTHW301/399 on the floor.

4.3 Combustion Air

Outlines requirements for combustion and ventilation air supply.

4.4 Venting (Exhaust)

Covers requirements for the exhaust venting system, including material selection.

4.5 General Location Guideline

4.6 Locations for Vent Pipe Terminator

Details specific clearance requirements for vent pipe terminations based on location.

4.8 Air Supply and Vent Connections

4.8.1 Vent / Air Pipe Lengths for dual pipe venting systems.

4.10.2 Horizontal Vent Termination

4.11 Gas Supply and Piping

Covers guidelines for gas supply and piping installation, including sizing and support.

4.12 Gas Supply Pressure

Specifies required gas supply pressures for natural gas and propane.

4.13 Adjusting Combustion

Step-by-step instructions for adjusting combustion settings using an analyzer.

4.14 High Altitude Installations. 2,000' to 10,000'

Explains how to adjust settings for high altitude installations to optimize efficiency.

4.15 Natural Gas to Propane Conversion

Details the process and precautions for converting the boiler from natural gas to propane.

4.16 Plumbing and Wiring Guidelines

Provides basic plumbing diagrams and electrical connections for common configurations.

4.16.1 Single wall-mounted boiler with DHW heating and high and low temperature zones w/ 24 V motorized mixing valve.

Details plumbing for a single boiler with DHW, high/low temp zones, and a mixing valve.

4.16.1.b Wiring, Single wall-mounted boiler with DHW heating and high and low temperature zones w/ motorized mixing valve.

Details wiring for a single boiler with DHW, high/low temp zones, and a mixing valve.

4.16.2 Floor stand application: Zoning with zone valves and indirect DHW tank pump.

Outlines plumbing for floor stand installation with zone valves and indirect DHW.

4.16.2.b Wiring with zone valves and indirect DHW tank

Details wiring for floor stand installation with zone valves and indirect DHW.

4.16.3 Cascade system with separate control of space heating and DHW heating.

4.16.3.b Wiring of cascade system with separate control of space heating and DHW heating.

4.19 Boiler pump (P1) selection for primary/secondary piping

4.20 Pressure Relief Valve

Details the installation and testing of the pressure relief valve.

4.21 Disposal of Condensate

4.22 Electrical Wiring Connections

Specifies boiler electrical circuit requirements and connection types.

4.23 DIP Switches

4.24 Control Board, Electrical Diagram

4.25 Ladder Diagram

4.26 Electrical Connections, (table)

SECTION 5 Control Display and Operation

5.1 Control Dial and Buttons

5.2 LCD Overview

5.3 Operating Mode

5.5 CH Set Point Change Mode

5.7 Installer Mode

Details how to access and change installer parameters for system configuration.

5.8 DHW Indirect Storage Mode

5.9 Outdoor Reset Adjustment

5.10 External Set Point Temperature Control

5.11 Error Mode

SECTION 6 Error Codes

6.1 Error Code Tables

Lists error codes, descriptions, possible remedies, and recovery methods.

6.2 Fault Tree Analysis

6.3 Fault Tree Analysis (cont)

SECTION 7 Trouble Shooting

7.1 Diagnostics

7.2 Suggested Corrective Actions

SECTION 8 Maintenance

8.1 Maintenance procedures [ Daily]

8.2 Maintenance procedures [ Monthly ]

8.3 Maintenance procedures [Every 6 Months]

SECTION 9 Installation Check

9.1 Quick View

Provides a checklist for installation steps before and during the process.

9.2 Final Check Lists

A comprehensive checklist for final installation verification before operation.

9.3 Freeze Protection