Munchkin 399M manual Using this Manual

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USING THIS MANUAL

USING THIS MANUAL

SPECIAL ATTENTION BOXES

Throughout this manual you will see these special attention boxes similar to this one, which are intended to supplement the instructions and make special notice of potential hazards. These categories mean, in the judgement of Heat Transfer Products, Inc.:

DANGER

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

CAUTION Indicates a potentially hazardous situtation which, if not avoided, may result in minor or moderate injury.

CAUTION

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

WARNINGS

•THIS UNIT IS FOR CATEGORY IV VENTING - 2 PIPE ONLY. THIS IS A SEALED COMBUSTION APPLIANCE.

•THIS HEATER INSTALLATION MUST CONFORM TO THE LATEST EDITION OF THE “NATIONAL FUEL GAS CODE” ANSI Z223.1 NFPA 54 AND OR CAN/CGA B149 INSTALLATION CODES. STATE AND LOCAL CODES MIGHT ALSO APPLY TO INSTALLATION.

•WHERE REQUIRED BY THE AUTHORITY HAVING JURISDICTION, THE INSTALLATION MUST CONFORM TO THE STANDARDS FOR CONTROLS AND SAFETY DEVICES FOR AUTOMATICALLY FIRED HEATERS, ANSI/ASME HEATER AND PRESSURE VESSEL CODE, Section IV, ALONG WITH CSD1.

•THE HEATER, GAS PIPING, WATER PIPING, VENTING AND ELECTRICAL MUST BE INSTALLED BY TRAINED & QUALIFIED PERSONNEL FAMILIAR WITH INSTALLATION PRACTICES, LOCAL CODE, LICENSING REQUIREMENTS.

•IF THE INFORMATION IN THESE INSTRUCTIONS ARE NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT; CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.

•DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE;

•THE USE OF A LOW WATER CUT-OFF DEVICE MAY BE REQUIRED BY STATE OR LOCAL CODES IF THE MUNCHKIN IS INSTALLED ABOVE RADIATION LEVELS.

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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 General Information Munchkin Ratings and DimensionsPart 1. General Information HOW IT OperatesDimensions PRE-INSTALLATION Requirements Pressure Relief Valve Part 2. ElectricalGeneral Information / Electrical Electrical ConnectionElectrical Part 3. GAS Connection Electrical / GAS ConnectionGAS Piping GAS ConnectionGAS Connection GAS TableCombustion Settings Munchkin Burnertech GAS ValveApproved Venting Materials Part 4. VentingVenting 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 Condensate Requirements Part 5. PipingVenting / Piping 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 Items to be Checked Before Lighting the Munchkin Part 6. START-UP ProceduresSTART-UP Procedures Lighting InstructionsAdjusting the Temperature on the Munchkin Display Operating InstructionsTo Turn OFF GAS to Appliance Test ModeStatus Menu Part 7. Servicing START-UP Procedures / ServicingMunchkin Temporary Fault Condition 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
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