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Munchkin Gas-Fired Hot Water Circulating Heater - page 50

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GAS-FIRED HEATER Installation Manual

PART 9: FIELD WIRING (CONTINUED)

Fig. 9-5

Contents

Main Page Page CONTENTS Page Before Installing (CONTD PART 2: HOW THE MUNCKIN CONTENDER OPERATES PART 2: HOW THE MUNCHKIN CONTENDER OPERATES SYSTEM RELIEF EXHAUST VENT CONNECTION PART 2: HOW THE MUNCHKIN CONTENDER OPERATES SYSTEM RETURN CONDENSATE CUP/DRAIN ASSEMBLY GAS LINE CONNECTION COMBUSTION AIR INLET CONNECTION SYSTEM SUPPLY ELECTRICAL BOX/CONTROL PANEL NOTICE Precautions PART 4: PREPARE MUNCHKIN CONTENDER HEATER PART 4: PREPARE MUNCHKIN CONTENDER ]] Expansion tank and make-up water PART 5: MUNCHKIN CONTENDER PIPING Diaphragm (or bladder) expansion tank Sizing space heat system piping Page Page MUNCHKIN CONTENDER PIPING Piping symbol legend M.CONTENDER PIPING DETAILS Standard Munchkin Contender Heater! (zoning with valves) Space heating mode Drawing 1A P2 Standard Munchkin Contender Heater (zoning with valves) Domestic water heating mode Drawing 1B P2 Standard Munchkin Contender Heater Preferred piping (zoning with circulators) Space heating mode Drawing 1C Standard Munchkin Contender Heater (zoning with circulators) Domestic water heating mode Drawing 1D Multiple Munchkin Contender Heaters Preferred piping (zoning with circulators) Space heating mode Drawing 1E P2 Drawing 1F PART 6. MUNCHKIN CONTENDER PIPING WITH OPTIONAL VISION I SYSTEM Munchkin Contender Heater with optional VISION 1 system (zoning with valves) Space heating mode D. HEATER PIPING DETAILS WITH THE VISION I SYSTEM Drawing 2A purge P1 P2 Drawing 2B P1 P2 Drawing 2C P1 P2 Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Space heating mode Drawing 3A P1 P2 Drawing 3B P1 P2 Drawing 3C P1 P2 Drawing 3D purge P1 P2 Drawing 3E purge P1 P2 Drawing 3F P1 P2 Drawing 3G P1 P2 PART 7: VENTING, COMBUSTION AIR & CONDENSATE REMOVAL Page AROUND OBSTRUCTIONS EXHAUST PIPING Page Page Page Page 43 Fig. 7-10 2 sidewall vent with V500 kit Fig. 7-11 2 sidewall vent with 2 concentric vent kit (KGAVT0501CVT) Fig. 7-9 2 sidewall vent with tee (intake) and coupling (exhaust) I. DIAGRAMS FOR SIDEWALL VENTING 44 Fig.7-12 2" roof vent with tee (intake) & coupling (exhaust) Fig. 7-13 2" roof vent with 2" concentric vent kit (KGAVT0501CVT) PART 8: GAS PIPING } PART 8: GAS PIPING PART 9: FIELD WIRING Page Page PART 10: FIELD WIRING VISION 1 OPTION PART 11. START-UP PREPARATION Water pH between 6.0 and 8.0 Hardness less than 7 grains. Chlorine concentration less than 200 ppm Clean system to remove sediment Page PART 11. START-UP PREP ARATION PART 12. START-UP PROCEDURE FOR YOUR OWN SAFETY READ BEFORE OPERATING WHAT TO DO IF YOU SMELL GAS Page PART 12. START-UP PROCEDURE PART 13: START-UP PROCEDURES WITH THE VISION 1 OPTION The Munchkin Contender cannot be programmed while there is a call for heat. NOTICE Page PART 14: TROUBLESHOOTING 60 PART 14: TROUBLESHOOTING Table 14-2: 925 Control Board FAULT Codes Code Description Remedy PART 15: MAINTENANCE Outside Temperature (F) Resistance (ohms) Heater and Indirect Temperature (F) Resistance (ohms) PART 14: TROUBLESHOOTING Page Fig. 15-1 Fig. 15-2 Fig. 15-3 Light Off Activities Date completed _______________ HEATER START UP REPORT Inspection Activities Date last completed HEATER INSPECTION AND MAINTENANCE SCHEDULE Date last completedInspection Activities HEATER INSPECTION AND MAINTENANCE SCHEDULE