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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual 80M/140M/199M, T50M/T80M

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

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GENERAL INFORMATION

RECOMMENDED SERVICE CLEARANCES
80M/140M/199M	(NOTE: The Munchkin is rated at
	zero clearance to combustibles.)

T50M/T80M

Figure 1-1

Figure 1-2

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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual 80M/140M/199M, T50M/T80M, General Information

Contents

Installing, Operating & Maintaining MUNCHKIN HIGH EFFICIENCY HEATER with the “925” ControllerWHAT TO DO IF YOU SMELL GAS WARNINGS USING THIS MANUALUSING THIS MANUAL SPECIAL ATTENTION BOXESTABLE OF CONTENTS TABLE OF CONTENTSGENERAL INFORMATION PART 1. GENERAL INFORMATION80M/140M/199M RECOMMENDED SERVICE CLEARANCEST50M/T80M GENERAL INFORMATIONGENERAL INFORMATION DIMENSIONST50M/T80M GENERAL INFORMATION 140M/199MGENERAL INFORMATION ACCESSIBILITY CLEARANCESGENERAL CODES & REGULATIONSGENERAL INFORMATION / ELECTRICAL PART 2. ELECTRICALNote Service clearance of the Munchkin See Section 1, Figures 1-1 and DANGER DANGERDANGER ELECTRICALELECTRICAL Figure 2-1 Connection Wiring Directly to Central Heating CirculatorGAS CONNECTION PART 3. GAS CONNECTIONDUNGS GAS VALVE GAS CONNECTIONFoam Core Pipe is not to be used in connecting the exhaust pipe PART 4. VENTINGDANGER DANGERB. VENTING THE MUNCHKIN DANGERVENTING REFERENCE THE NATIONAL FUEL GAS CODE 2002 EDITION VENTINGEXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEM Do not exceed the 85 foot maximum requirement intake plus exhaust piping added together including fitting allowance VENTINGThe Munchkin is not intended to be common vented with any other DANGERexisting appliance VENTINGVENTING DIAGRAMS FOR SIDEWALL VENTINGVENTING VENTING DIAGRAMS FOR VERTICAL VENTINGPIPING PART 5. PIPINGB. CIRCULATOR SIZING PIPINGC. FILL AND PURGE HEATING SYSTEM PIPINGD. PIPING ILLUSTRATIONS Piping Symbol LegendPIPING Retrofit piping zoning with valves Space heating mode Standard Munchkin boilerDrawing 1A PIPINGDrawing 1B Retrofit piping zoning with valves Domestic water heating modeStandard Munchkin boiler PIPINGDrawing 2A Preferred piping zoning with valves Space heating modeStandard Munchkin boiler PIPINGDrawing 2B Preferred piping zoning with valves Domestic water heating modeStandard Munchkin boiler PIPINGDrawing 2C Preferred piping zoning with circulators Space heating modeStandard Munchkin boiler PIPINGDrawing 2D Preferred piping zoning with circulators Domestic water heating modeStandard Munchkin boiler PIPINGmultiple boilers / zoning with circulators Space heating mode Standard Munchkin boiler Preferred pipingDrawing 2E PIPINGPIPING Drawing 2FStandard Munchkin boiler Preferred piping START-UP PROCEDURES PART 6. START-UP PROCEDURESFOR YOUR OWN SAFETY READ BEFORE OPERATING result, causing property damage, personal injury or loss of lifeSTART-UP PROCEDURES DANGERE. ADJUSTING THE TEMPERATURE ON THE MUNCHKIN DISPLAY START-UP PROCEDURESF. STATUS MENU Function ValueWater temperature over 125 degrees F. can cause severe burns START-UP PROCEDURES / SERVICINGinstantly, or death from scalds. Children, disabled, and elderly DANGERTROUBLESHOOTING PART 7. TROUBLESHOOTINGA. MUNCHKIN ERROR CODE B. BOILER ERRORTable 7-1 925 Control Board Error Codes TROUBLESHOOTINGCode DescriptionRESISTANCE TABLES TROUBLESHOOTINGMAINTENANCE PART 8. MAINTENANCED. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS MAINTENANCEDANGER DANGERCONTROL WIRING LAYOUT MAINTENANCEE. 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

RECOMMENDED SERVICE CLEARANCES

80M/140M/199M

(NOTE: The Munchkin is rated at

T50M/T80M