Manuals / Munchkin / Household Appliance / Boiler

Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual Piping Symbol Legend

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

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PIPING

D. PIPING ILLUSTRATIONS

Piping Symbol Legend
circulator	pressure reducing valve
(w/ isolation flanges)	pressure reducing valve
(w/ isolation flanges)
circulator w/
integral flow check)
	diff. pressure bypass
gate valve
globe valve	anti-scald rated
	mixing valve
ball valve
	pressure gauge
swing-check valve
flow-check valve	4-way motorized
flow-check valve	mixing valve
spring-loaded check valve	3-way motorized	Munchkin heater
	3-way motorized	Munchkin heater
	mixing valve
hose bib / boiler drain
	pressure relief valve
thermostatic radiator valve
TRV (straight)	backflow preventer
	backflow preventer
thermostatic radiator valve
TRV (angle)	float -type
	float -type
	air vent
circuit setter	union
	union
manual 3-way valve
	heat exchanger
zone valve
air separator	vacuum breaker	Super Stor
	vacuum breaker	Super Stor
		indirect DHW tank
diaphragm-type
expansion tank
	radiant manifold
Fig. 5-2

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Munchkin MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual Piping Symbol Legend, D. Piping Illustrations

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