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Instructions American, Modèle BTH 300A, BTH 400A

Fabricant : American
Taille : 555.75 kb
Nom Fichier : d1d32181-96c7-4b28-833e-fe5f61e5bb65.pdf

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In the absence of local codes, the installation must comply with the current editions of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical Code, NFPA 70 or CAN/CSA-B149.1, the Natural Gas and Propane Installation Code and CSA C22.1, the Canadian Electrical Code. All documents are available from the Canadian Standards Association, 8501 East Pleasant Valley Road, Cleveland, OH 44131. NFPA documents are also available from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269. 2 TABLE OF CONTENTS PAGE ROUGH-IN DIMENSIONS ............................................................... 2 FOREWORD .................................................................................... 2 FEATURES ....................................................................................... 3 Water Temperature Control .......................................................... 3-5 Water Temperature Setpoint Adjustment Procedure ................... 5 High Limit Switch (E.C.O.) ........................................................... 5 Dishwashing Machine Requirement ............................................ 5 Circulating Pump .......................................................................... 6 INSTALLATION INSTRUCTIONS .................................................... 6 Required Ability ............................................................................ 6 Insulation Blankets ....................................................................... 6 Locating The Heater..................................................................... 6 Clearances ................................................................................... 7 Hard Water ................................................................................... 7 Air Requirements ......................................................................... 7 Mechanical Exhausting of Room Air ............................................ 7 Unconfined Space ........................................................................ 7 Confined Space ............................................................................ 7 Chemical Vapor Corrosion ........................................................... 7 VENTING .......................................................................................... 7-10 Vent Pipe Termination .................................................................. 10 Direct Venting ............................................................................... 10 Direct Vent Terminal Installation .................................................. 10-11 Installation Sequence ................................................................... 11 Vertical Vent Terminal Installation ................................................ 11 Installation Sequence ................................................................... 11-12 Installation of Vent System .......................................................... 12 Vent Pipe Preparation .................................................................. 13 CONTROLS AND SWITCHES ......................................................... 13 Blower Prover Switch ................................................................... 13 Blocked Outlet Prover Switch ...................................................... 13 Blocked Inlet Prover Switch ......................................................... 13 Low Gas Pressure Switch ............................................................ 13 On/Off Switch ............................................................................... 13 Hot Surface Igniter ....................................................................... 14 GAS PIPING ..................................................................................... 14 Connection of Gas Pipe ............................................................... 14-15 Purging ......................................................................................... 15 Gas Meter Size - City Gases Only ............................................... 15 Gas Valves ................................................................................... 15 SYSTEM CONNECTIONS ............................................................... 15 Thermometers .............................................................................. 15 Relief Valve .................................................................................. 15 Water Line Connections ............................................................... 15 PAGE Closed System ................................................................................ 15 Water (Potable) Heating & Space Heating ..................................... 15-16 Heater Wiring .................................................................................. 16-17 OPERATION ........................................................................................ 18 Sequence of Operation .......