Munchkin 399M manual Heat Transfer Products, Inc LP-121 REV /20/04

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SuperStor Ultra, SuperStor, Voyager, Voyager Sanitizer, and Everlast are registered trademarks of Heat Transfer Products, Inc.

© 2004 Heat Transfer Products, Inc.

LP-121 REV. 10/20/04

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Contents Munchkin High Efficiency 399M Commercial Boiler What to do if YOU Smell GASUsing this Manual Using this ManualTable of Contents Munchkin Ratings and Dimensions Part 1. General InformationGeneral Information HOW IT OperatesDimensions PRE-INSTALLATION Requirements Part 2. Electrical General Information / ElectricalPressure Relief Valve Electrical ConnectionElectrical Part 3. GAS Connection Electrical / GAS ConnectionGAS Connection GAS ConnectionGAS Piping GAS TableCombustion Settings Munchkin Burnertech GAS ValvePart 4. Venting VentingApproved Venting Materials Venting the Munchkin in 4 or 6 Plastic PipeVenting Important Note Longer Vent Runs Using a Combination 4 to 6 Pipe Fittings or Piping Equivalent FeetDiagrams for Sidewall Venting Heater Removal from a Common Vent SystemDiagram for Vertical Venting Part 5. Piping Venting / PipingCondensate Requirements Hydronic Piping with Circulators or Zone ValvesPiping Circulator SizingFill and Purge Heating System Piping Symbol Legend Piping IllustrationsZone valves Make-up water Zone valves Mixing valve Zone valves Make-up water Piping Space heating zone circuit Zone Circulators Make-up water PB1 PB2 PB1 PB2 Part 6. START-UP Procedures START-UP ProceduresItems to be Checked Before Lighting the Munchkin Lighting InstructionsAdjusting the Temperature on the Munchkin Display Operating InstructionsTo Turn OFF GAS to Appliance Test ModeStatus Menu START-UP Procedures / Servicing Munchkin Temporary Fault ConditionPart 7. Servicing Sequence of OperationMunchkin Fault Requiring Manual Reset ServicingServicing Remedy Call Factory for further assistance Resistance Tables Part 8. Maintenance MaintenanceLeaks Control Wiring Layout Munchkin ControllerMaintenance Maintenance Page Page Heat Transfer Products, Inc LP-121 REV /20/04