Laars FT Series User Manual
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Laars FT Series User Manual

Wall-mounted, modulating gas, condensing, combination boiler
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User's Manual
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.
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.
User's Manual
THE
Wall-Mounted, Modulating
Gas, Condensing, Combination Boiler
Model FTCW
140,000 BTU/h
199,000 BTU/h
•
Natural Gas (NG) - Factory Configuration
•
Propane Gas (LP) - Field-Convertible
WARNING
FT
SERIES
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 ni
d'autres vapeurs ou liquides inflammables dans
le voisinage 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 dansle bâtiment où vous êtes.
• 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 1488
AVERTISSEMENT

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Summary of Contents for Laars FT Series

  • Page 1 User’s Manual Document 1488 User’s Manual SERIES Wall-Mounted, Modulating Gas, Condensing, Combination Boiler Model FTCW 140,000 BTU/h 199,000 BTU/h • Natural Gas (NG) - Factory Configuration • Propane Gas (LP) - Field-Convertible 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.

  • Page 2: General Care

    Page 2 ........CONTENTS 1. Familiarizing yourself to the wall mounted FT Series Combi ..2 2. Caring For Your FT Series Combi ..........2 3. Start Up and Shut Down...............4 4. Control Setup and Operation ............4-10 Familiarizing yourself to MODEL NUMBER...
  • Page 3 FTCW199 FTCW140 User’s Manual - The FT Series Wall Mounted, Combination Boiler Page 3 Combustion Air Vent Combustion Air Vent CH Supply CH Return CH Supply CH Return CH Supply CH Return Name of Component Name of Component Air Vent (air eliminator)

  • Page 4: Shut Down And Restart

    Manual to ensure that the complete ‘Setup’ Close all manual gas valves. procedure has been followed before starting this If freezing is anticipated, drain the FT Series boiler. A complete ‘Setup’ must be performed by a Combi and be sure to also protect building piping from freezing.
  • Page 5 Page 52 User’s Manual - The FT Series Wall Mounted, Combination Boiler Page 5 LCD Overview 4. The Control Display and Operation (continued) Anti-Freeze Storage Lock Communicating Central Mode Heating Heat Status and Installer Summer Modes Mode (warm weather Flame...
  • Page 6 Page 6 Page 53 The FT Series Wall Mounted, Combination Boiler Operating Mode Operating Mode After the Power is turned on, and/or the Control Display is turned on , the Control Display 55page will go through a ‘Start Up’ checklist and briefl y show a sequence of diagnostic codes before entering into the ‘Operating Mode.

  • Page 7: Status Display Mode

    User’s Manual - The FT Series Wall Mounted, Combination Boiler Page 7 Page 54 56page Status Display Mode Digital Display Status Display Parameter Description O:ot Outdoor temperature Current Outdoor temperature A: Li or A: GA Flow unit Current fl ow value(Li: L/m, GA: GPM)
  • Page 8 Page 8 The FT Series Wall Mounted, Combination Boiler Page 55 57page DHW Set Point Change Mode DHW Set Point Change Modes The display shows the following information when changing water heating temperature set points. Changing between Celsius and Fahrenheit...

  • Page 9: Ch Set Point Change Mode

    User’s Manual - The FT Series Wall Mounted, Combination Boiler Page 9 Page 56 58page CH Set Point Change Mode Changing between Celsius and Fahrenheit When the button D is pressed (for more than 5 seconds), temperature unit will toggle between °C and °F.
  • Page 10 Page 10 Notes:...
  • Page 11 User’s Manual - The FT Series Wall Mounted, Combination Boiler Page 11 Notes:...
  • Page 12 User’s Manual - The FT Series Wall Mounted, Combination Boiler Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement. 800.900.9276 • Fax 800.559.1583 Customer Service and Product Support: Industrial Way, Rochester, NH, USA 03867...

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