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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller T50M/T80M, General Information

Models: MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller

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GENERAL INFORMATION

DIMENSIONS

T50M/T80M

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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual T50M/T80M, General Information, Dimensions

Contents

MUNCHKIN HIGH EFFICIENCY HEATER with the “925” Controller WHAT TO DO IF YOU SMELL GASInstalling, Operating & Maintaining USING THIS MANUAL USING THIS MANUALWARNINGS SPECIAL ATTENTION BOXESTABLE OF CONTENTS TABLE OF CONTENTSPART 1. GENERAL INFORMATION GENERAL INFORMATIONT50M/T80M RECOMMENDED SERVICE CLEARANCES80M/140M/199M GENERAL INFORMATIONDIMENSIONS T50M/T80MGENERAL INFORMATION 140M/199M GENERAL INFORMATIONGENERAL ACCESSIBILITY CLEARANCESGENERAL INFORMATION CODES & REGULATIONSPART 2. ELECTRICAL Note Service clearance of the Munchkin See Section 1, Figures 1-1 andGENERAL INFORMATION / ELECTRICAL DANGER DANGERDANGER ELECTRICALFigure 2-1 Connection Wiring Directly to Central Heating Circulator ELECTRICALPART 3. GAS CONNECTION GAS CONNECTIONGAS CONNECTION DUNGS GAS VALVEDANGER PART 4. VENTINGFoam Core Pipe is not to be used in connecting the exhaust pipe DANGERDANGER VENTINGB. VENTING THE MUNCHKIN VENTING EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEMREFERENCE THE NATIONAL FUEL GAS CODE 2002 EDITION VENTING Do not exceed the 85 foot maximum requirement intake plus exhaust piping added together including fitting allowanceexisting appliance DANGERThe Munchkin is not intended to be common vented with any other VENTINGDIAGRAMS FOR SIDEWALL VENTING VENTINGVENTING DIAGRAMS FOR VERTICAL VENTING VENTINGPART 5. PIPING PIPINGPIPING B. CIRCULATOR SIZINGPIPING C. FILL AND PURGE HEATING SYSTEMPiping Symbol Legend PIPINGD. PIPING ILLUSTRATIONS Drawing 1A Standard Munchkin boilerRetrofit piping zoning with valves Space heating mode PIPINGStandard Munchkin boiler Retrofit piping zoning with valves Domestic water heating modeDrawing 1B PIPINGStandard Munchkin boiler Preferred piping zoning with valves Space heating modeDrawing 2A PIPINGStandard Munchkin boiler Preferred piping zoning with valves Domestic water heating modeDrawing 2B PIPINGStandard Munchkin boiler Preferred piping zoning with circulators Space heating modeDrawing 2C PIPINGStandard Munchkin boiler Preferred piping zoning with circulators Domestic water heating modeDrawing 2D PIPINGDrawing 2E Standard Munchkin boiler Preferred pipingmultiple boilers / zoning with circulators Space heating mode PIPINGDrawing 2F Standard Munchkin boiler Preferred pipingPIPING PART 6. START-UP PROCEDURES START-UP PROCEDURESSTART-UP PROCEDURES result, causing property damage, personal injury or loss of lifeFOR YOUR OWN SAFETY READ BEFORE OPERATING DANGERF. STATUS MENU START-UP PROCEDURESE. ADJUSTING THE TEMPERATURE ON THE MUNCHKIN DISPLAY Function Valueinstantly, or death from scalds. Children, disabled, and elderly START-UP PROCEDURES / SERVICINGWater temperature over 125 degrees F. can cause severe burns DANGERA. MUNCHKIN ERROR CODE PART 7. TROUBLESHOOTINGTROUBLESHOOTING B. BOILER ERRORCode TROUBLESHOOTINGTable 7-1 925 Control Board Error Codes DescriptionTROUBLESHOOTING RESISTANCE TABLESPART 8. MAINTENANCE MAINTENANCEDANGER MAINTENANCED. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS DANGERE. MUNCHKIN CONTROLLER MAINTENANCECONTROL WIRING LAYOUT Caution Do not replace with any amperage other than 6.3AMAINTENANCE MAINTENANCE Page Page Munchkin R1 2004 Heat Transfer Products, IncLP-61 REV. 1/17/05