Munchkin manual Munchkin High Efficiency 399M Commercial Boiler, What to do if YOU Smell GAS

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Installing, Operating & Maintaining

MUNCHKIN™ HIGH EFFICIENCY 399M COMMERCIAL BOILER

WARNING

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not touch any electrical switch: do not use any phone in your building.

•Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

•If you cannot reach your gas supplier, call the fire department. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

CONTROLS

MH27745

WARNING

This manual must only be used by a qualified heating installer / service technician. Failure to comply could result in severe personal injury, death or substantial property damage. It is also important to keep these Instructions with the appliance.

HEAT TRANSFER PRODUCTS, INC.

120 BRALEY RD., E. FREETOWN, MA 02717

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Contents What to do if YOU Smell GAS Munchkin High Efficiency 399M Commercial BoilerUsing this Manual Using this ManualTable of Contents Part 1. General Information Munchkin Ratings and DimensionsGeneral Information HOW IT OperatesDimensions PRE-INSTALLATION Requirements General Information / Electrical Part 2. ElectricalPressure Relief Valve Electrical ConnectionElectrical Electrical / GAS Connection Part 3. GAS ConnectionGAS Connection GAS ConnectionGAS Piping GAS TableMunchkin Burnertech GAS Valve Combustion SettingsVenting Part 4. VentingApproved Venting Materials Venting the Munchkin in 4 or 6 Plastic PipeVenting Important Note Fittings or Piping Equivalent Feet Longer Vent Runs Using a Combination 4 to 6 PipeHeater Removal from a Common Vent System Diagrams for Sidewall VentingDiagram for Vertical Venting Venting / Piping Part 5. PipingCondensate Requirements Hydronic Piping with Circulators or Zone ValvesCirculator Sizing PipingFill and Purge Heating System Piping Illustrations Piping Symbol LegendZone 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 START-UP Procedures Part 6. START-UP ProceduresItems to be Checked Before Lighting the Munchkin Lighting InstructionsOperating Instructions Adjusting the Temperature on the Munchkin DisplayStatus Menu Test ModeTo Turn OFF GAS to Appliance Munchkin Temporary Fault Condition START-UP Procedures / ServicingPart 7. Servicing Sequence of OperationServicing Munchkin Fault Requiring Manual ResetServicing Remedy Call Factory for further assistance Resistance Tables Maintenance Part 8. MaintenanceLeaks Munchkin Controller Control Wiring LayoutMaintenance Maintenance Page Page Heat Transfer Products, Inc LP-121 REV /20/04