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

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© 2004 Heat Transfer Products, Inc.

LP-121 REV. 10/20/04

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

Contents

Munchkin High Efficiency 399M Commercial Boiler What to do if YOU Smell GAS Using this Manual Using this Manual Table of Contents Munchkin Ratings and Dimensions Part 1. General InformationGeneral Information HOW IT Operates Dimensions PRE-INSTALLATION Requirements Part 2. Electrical General Information / ElectricalPressure Relief Valve Electrical Connection Electrical Part 3. GAS Connection Electrical / GAS Connection GAS Connection GAS ConnectionGAS Piping GAS Table Combustion Settings Munchkin Burnertech GAS Valve Part 4. Venting VentingApproved Venting Materials Venting the Munchkin in 4 or 6 Plastic Pipe Venting Important Note Longer Vent Runs Using a Combination 4 to 6 Pipe Fittings or Piping Equivalent Feet Diagrams for Sidewall Venting Heater Removal from a Common Vent System Diagram for Vertical Venting Part 5. Piping Venting / PipingCondensate Requirements Hydronic Piping with Circulators or Zone Valves Piping Circulator Sizing Fill and Purge Heating System Piping Symbol Legend Piping Illustrations Zone 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 Instructions Adjusting the Temperature on the Munchkin Display Operating Instructions To Turn OFF GAS to Appliance Test ModeStatus Menu START-UP Procedures / Servicing Munchkin Temporary Fault ConditionPart 7. Servicing Sequence of Operation Munchkin Fault Requiring Manual Reset Servicing Servicing Remedy Call Factory for further assistance Resistance Tables Part 8. Maintenance Maintenance Leaks Control Wiring Layout Munchkin Controller Maintenance Maintenance Page Page Heat Transfer Products, Inc LP-121 REV /20/04