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

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

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Installing, Operating & Maintaining

Installing, Operating & Maintaining

MUNCHKIN™ HIGH EFFICIENCY HEATER

with the “925” Controller

WARNING

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 neighbor's 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 the gas supplier.

CONTROLS

MH27745

WARNING

This manual must only be used by a qualified heating installer / service technician. Failure to comply could result in severe personal injury, death or substantial property damage. It is also important to keep these Instructions with the appliance.

HEAT TRANSFER PRODUCTS, INC.

120 BRALEY RD., E. FREETOWN, MA 02717

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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual What To Do If You Smell Gas

Contents

WHAT TO DO IF YOU SMELL GAS MUNCHKIN HIGH EFFICIENCY HEATER with the “925” ControllerInstalling, Operating & Maintaining 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 INFORMATIONT50M/T80M DIMENSIONSGENERAL INFORMATION GENERAL INFORMATION 140M/199MGENERAL INFORMATION ACCESSIBILITY CLEARANCESGENERAL CODES & REGULATIONSNote Service clearance of the Munchkin See Section 1, Figures 1-1 and PART 2. ELECTRICALGENERAL INFORMATION / ELECTRICAL 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 DANGERVENTING DANGERB. VENTING THE MUNCHKIN EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEM VENTINGREFERENCE THE NATIONAL FUEL GAS CODE 2002 EDITION 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 PIPINGPIPING Piping Symbol LegendD. PIPING ILLUSTRATIONS 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 PIPINGStandard Munchkin boiler Preferred piping Drawing 2FPIPING 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 2004 Heat Transfer Products, Inc Munchkin R1LP-61 REV. 1/17/05