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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual Maintenance

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

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MAINTENANCE

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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual Maintenance

Contents

Installing, Operating & Maintaining MUNCHKIN HIGH EFFICIENCY HEATER with the “925” ControllerWHAT TO DO IF YOU SMELL GAS USING THIS MANUAL WARNINGSUSING THIS MANUAL SPECIAL ATTENTION BOXESTABLE OF CONTENTS TABLE OF CONTENTSPART 1. GENERAL INFORMATION GENERAL INFORMATIONRECOMMENDED SERVICE CLEARANCES 80M/140M/199MT50M/T80M GENERAL INFORMATIONGENERAL INFORMATION DIMENSIONST50M/T80M 140M/199M GENERAL INFORMATIONACCESSIBILITY CLEARANCES GENERAL INFORMATIONGENERAL CODES & REGULATIONSGENERAL INFORMATION / ELECTRICAL PART 2. ELECTRICALNote Service clearance of the Munchkin See Section 1, Figures 1-1 and DANGER DANGERDANGER ELECTRICALFigure 2-1 Connection Wiring Directly to Central Heating Circulator ELECTRICALPART 3. GAS CONNECTION GAS CONNECTIONGAS CONNECTION DUNGS GAS VALVEPART 4. VENTING Foam Core Pipe is not to be used in connecting the exhaust pipeDANGER DANGERB. VENTING THE MUNCHKIN DANGERVENTING REFERENCE THE NATIONAL FUEL GAS CODE 2002 EDITION VENTINGEXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEM VENTING Do not exceed the 85 foot maximum requirement intake plus exhaust piping added together including fitting allowanceDANGER The Munchkin is not intended to be common vented with any otherexisting appliance VENTINGDIAGRAMS FOR SIDEWALL VENTING VENTINGVENTING DIAGRAMS FOR VERTICAL VENTING VENTINGPART 5. PIPING PIPINGPIPING B. CIRCULATOR SIZINGPIPING C. FILL AND PURGE HEATING SYSTEMD. PIPING ILLUSTRATIONS Piping Symbol LegendPIPING Standard Munchkin boiler Retrofit piping zoning with valves Space heating modeDrawing 1A PIPINGRetrofit piping zoning with valves Domestic water heating mode Drawing 1BStandard Munchkin boiler PIPINGPreferred piping zoning with valves Space heating mode Drawing 2AStandard Munchkin boiler PIPINGPreferred piping zoning with valves Domestic water heating mode Drawing 2BStandard Munchkin boiler PIPINGPreferred piping zoning with circulators Space heating mode Drawing 2CStandard Munchkin boiler PIPINGPreferred piping zoning with circulators Domestic water heating mode Drawing 2DStandard Munchkin boiler PIPINGStandard Munchkin boiler Preferred piping multiple boilers / zoning with circulators Space heating modeDrawing 2E PIPINGPIPING Drawing 2FStandard Munchkin boiler Preferred piping PART 6. START-UP PROCEDURES START-UP PROCEDURESresult, causing property damage, personal injury or loss of life FOR YOUR OWN SAFETY READ BEFORE OPERATINGSTART-UP PROCEDURES DANGERSTART-UP PROCEDURES E. ADJUSTING THE TEMPERATURE ON THE MUNCHKIN DISPLAYF. STATUS MENU Function ValueSTART-UP PROCEDURES / SERVICING instantly, or death from scalds. Children, disabled, and elderlyDANGER Water temperature over 125 degrees F. can cause severe burnsPART 7. TROUBLESHOOTING TROUBLESHOOTINGA. MUNCHKIN ERROR CODE B. BOILER ERRORTROUBLESHOOTING Table 7-1 925 Control Board Error CodesCode DescriptionTROUBLESHOOTING RESISTANCE TABLESPART 8. MAINTENANCE MAINTENANCEMAINTENANCE D. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONSDANGER DANGERMAINTENANCE CONTROL WIRING LAYOUTE. MUNCHKIN CONTROLLER Caution Do not replace with any amperage other than 6.3AMAINTENANCE MAINTENANCE Page Page LP-61 REV. 1/17/05 Munchkin R12004 Heat Transfer Products, Inc