Munchkin 399M - page 41

MAINTENANCE

Contents

Main Installing, Operating & Maintaining MUNCHKIN HIGH EFFICIENCY 399M COMMERCIAL BOILER SPECIAL ATTENTION BOXES WARNINGS USING THIS MANUAL DANGER WARNING CAUTION CAUTION TABLE OF CONTENTS GENERAL INFORMATION PERFORMANCE RATING CONNECTION SIZES RECOMMENDED SERVICE CLEARANCES PART 1. GENERAL INFORMATION Page PART 2. ELECTRICAL Page PART 3. GAS CONNECTION Failure to follow all precautions could result in fire, explosion or death! ELECTRICAL / GAS CONNECTION GREEN (GROUND) BROWN (NEUTRAL) GAS CONNECTION Failure to follow all precautions could result in fire, explosion or death! GAS CONNECTION PART 4. VENTING Foam Core Pipe is not to be used in connecting the exhaust pipe. Page Page The Munchkin is not intended to be common vented with any other existing appliance! DIAGRAMS FOR SIDEWALL VENTING Page VENTING / PIPING PART 5. PIPING Page Page Piping Symbol Legend D. PIPING ILLUSTRATIONS Fig. 5-2 Standard Munchkin boiler Retrofit piping (zoning with valves) Space heating mode P1 Fig. 5-3 V1 Drawing 1A Standard Munchkin boiler Retrofit piping (zoning with valves) Domestic water heating mode P1 Fig. 5-4 V1 Drawing 1B Preferred piping (zoning with valves) Space heating mode Drawing 2A Fig. 5-5 V1 Preferred piping (zoning with valves) Domestic water heating mode Drawing 2B Fig. 5-6 V1 Preferred piping (zoning with circulators) Space heating mode Drawing 2C Fig. 5-7 Preferred piping (zoning with circulators) Domestic water heating mode Drawing 2D Fig. 5-8 Fig. 5-9 NOTES: Drawing 2E PB2 PB1 P2 NOTES: Drawing 2F PB2 PB1 P2 PART 6. START-UP PROCEDURES FOR YOUR OWN SAFETY READ BEFORE OPERATING Page Page PART 7. SERVICING START-UP PROCEDURES / SERVICING Fig. 6-1 Page Page Page RESISTANCE TABLES MAINTENANCE PART 8. MAINTENANCE MAINTENANCE