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Installation and Operation Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
WARNING
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
flammable 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 fire department.
Installation and service must be performed
by a qualified installer, service agency, or gas
supplier.
Installation and Operation
Instructions for
M
ASCOT
Wall-Mounted, Modulating
Gas, Condensing, Combination Boiler
Model MFTCW
140,000 BTU/hr
199,000 BTU/hr
Natural Gas (NG) - Factory Configuration
•
•
Propane Gas (LP) - Field-Convertible
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 inflammables dans
le à proximité de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE
• 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 qualifié
ou par le fournisseur de gaz.
Document 1318C
FT
®
AVERTISSEMENT
GAZ:
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Table of Contents
Related Manuals for Bradford White Laars MASCOT FT MFTCW199
Summarization of Contents
Section 1: Product Accessories
1.1 Introduction
Provides information for installation, operation, and maintenance of the Mascot FT boiler.
1.2 Included with the Appliance
Lists items included with the Mascot FT boiler.
Section 2: Product Characteristics
2.1 Model Nomenclature
Explains how to interpret the model number and its components.
2.2 Specifications
Details technical specifications for the MFTCW140 and MFTCW199 models.
2.3 Dimensions
Provides dimensional diagrams and measurements for MFTCW140 and MFTCW199 models.
2.4 Names of Components
Identifies and lists various components of the MFTCW140 boiler.
Section 3: Safety Regulations
3.1 Safety Symbols
Defines safety symbols like DANGER, WARNING, CAUTION used in the manual.
3.2 Safety Precautions and Proper Use
Outlines safety precautions before and during operation of the boiler.
Section 4: Installation
4.1 Location and Clearances
Specifies requirements for boiler placement and clearances from combustibles.
4.2 Wall Mount Bracket
Details the installation procedure for the wall mount bracket.
4.3 Combustion Air
Discusses requirements for combustion and ventilation air supply for the boiler.
4.4 Venting (Exhaust)
Provides instructions and warnings related to the boiler's venting system.
4.5 General Location Guideline
Offers general guidelines for selecting the boiler's installation location.
4.6 Locations for Vent Pipe Terminator
Specifies clearances and locations for vent pipe terminations.
4.6.1 Direct Venting Clearances
Lists specific clearance requirements for direct venting installations.
4.6.2 Non-Direct Venting (Single Pipe) Clearances
Lists specific clearance requirements for non-direct venting installations.
4.6.3 Venting Requirements in the Commonwealth of Massachusetts
Details specific venting and CO detector requirements for Massachusetts.
4.7 Air Supply and Vent Connections
Covers air supply and vent connections at the boiler appliance.
4.8 Vent / Air Pipe Termination
Illustrates and describes various vent and air pipe termination methods.
4.9 Gas Supply and Piping
Provides guidelines for gas supply line sizing and installation.
4.10 Gas Supply Pressure
Details gas supply pressure requirements and adjustment procedures.
4.11 Gas Setup and Adjustment
Explains how to set up and adjust gas combustion settings.
4.12 High Altitude Installations
Covers adjustments for boiler operation at high altitudes.
4.13 Natural Gas to Propane Conversion
Provides steps for converting the boiler from natural gas to propane.
4.14 Plumbing Guidelines
Outlines external plumbing and water connection guidelines.
4.15 Pressure Relief Valve
Details the installation and requirements for pressure relief valves.
4.16 Disposal of Condensate
Explains how to properly drain and dispose of condensate from the boiler.
4.17 DHW Flow Restrictors
Explains the function and replacement of DHW flow restrictors for the MFTCW140.
4.18 Electrical Wiring Connections
Provides diagrams and instructions for electrical wiring connections for MFTCW140.
4.19 DIP Switches
Explains the function of DIP switches for boiler configuration.
4.20 Control Board, Electrical Diagram
Shows the electrical diagram of the boiler's control board.
4.21 Ladder Diagram
Presents the ladder diagram for the boiler's electrical system.
4.22 Electrical Connections
Lists electrical connections for various connectors on the control board.
Section 5: Control Display and Operation
5.1 Control Dial and Buttons
Explains the function of the control dial and buttons on the display.
5.2 LCD Overview
Describes the symbols and information shown on the LCD display.
5.3 Operating Mode
Details the information displayed and the sequence during the boiler's operating mode.
5.4 Status Display Mode
Explains how to access and interpret status parameters on the display.
5.5 DHW Set Point Change Mode
Guides users on how to change the Domestic Hot Water (DHW) set points.
5.6 CH Set Point Change Mode
Guides users on how to change the Central Heating (CH) set points.
5.7 Storage Mode
Explains how to access and set the storage mode for the boiler.
5.8 Installer Mode
Details how to enter and navigate the installer mode for advanced settings.
5.9 Outdoor Reset Adjustment
Explains how outdoor temperature affects boiler setpoints via reset.
5.10 External Set Point Temperature Control
Describes how to use external signals (0-10V) to control boiler setpoints.
5.11 Error Mode
Explains how the boiler displays and indicates error codes.
Section 6: Error Codes
6.1 Error Codes
Lists specific error codes and their possible remedies.
6.2 Fault Tree Analysis
Provides fault tree diagrams for troubleshooting ignition and gas detection issues.
Section 7: Trouble Shooting
7.1 Diagnostics
Lists common questions and answers for troubleshooting boiler issues.
7.2 Suggested Corrective Actions
Provides corrective actions for various display and operating conditions.
Section 8: Maintenance
8.1 Annual startup & general maintenance
Outlines regular and annual maintenance procedures for the boiler.
8.2 Flushing the Combination Boiler
Details the procedure for flushing the boiler's heat exchanger.
8.3 Draining and Cleaning
Explains how to drain and clean the boiler's components.
Section 9: Installation Check
9.1 Quick View
Provides a quick checklist for installation preparation and steps.
9.2 Final Check Lists
Lists final checks to ensure proper installation and operation of the boiler.
Section 10: Parts List and Illustrations
MFTCW140 Parts List
Lists parts and provides illustrations for the MFTCW140 model.
MFTCW199 Parts List
Lists parts and provides illustrations for the MFTCW199 model.
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