Munchkin 399M manual Part 4. Venting, Approved Venting Materials

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VENTING

PART 4. VENTING

DANGER

It is extremely important to follow these venting instructions carefully. Failure to do so can cause severe personal injury, death or substantial property damage.

A. APPROVED VENTING MATERIALS

Exhaust Vent

Use Plastic 4" Pipe Schedule 40 or 80.

1.Non-Foam Core PVC Pipe

2.Non-Foam Core CPVC Pipe

3.Non-Foam Core ABS Pipe

Vent Piping must conform to following

1.PVC Non Foam Core Pipe (Polyvinyl Chloride) to ASTM D-1785 or D-1784 Class 12454-B, Formerly designated Type 1, Grade 1.

2.CPVC (Chlorinated Polyvinyl Chloride) Class 23447-B, Formerly designated Type IV, Grade 1 con- forming to ASTM D-1784.

3.ABS (Acrylonitrile-Butadiene-Styrene) Class 3-2-2-2-2 conforming to ASTM D3965.

DANGER

Foam Core Pipe is not to be used in connecting the exhaust pipe.

The Munchkin is a direct vent appliance. The Munchkin is listed as a Category IV Condensing Appliance. (The Munchkin Venting is rated at Zero Clearance to combustibles.)

Note: For Concrete construction or to meet certain fire codes, exhaust and inlet piping at the wall penetration to the Munchkin must be CPVC Schedule 40 or 80 to meet local fire codes. The balance from the penetrated wall to the outside, may be PVC Schedule 40 or 80.

Inlet Air Vent

Use the same material as used for exhaust in either 4" or 6" Plastic Pipe. Cellular Foam Core Pipe may be used for the inlet only, NEVER ON EXHAUST PIPING!

WARNING

This vent system will operate with a positive pressure in the vent pipe. Do not connect vent connectors serving appliances by natural draft into any portion of mechanical draft systems operating under positive pressure.

B. VENTING THE MUNCHKIN IN 4" OR 6" PLASTIC PIPE

DANGER

It is extremely important to follow these venting instructions exactly. Failure to do so can cause severe personal injury, death or substantial property damage.

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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 HOW IT Operates Munchkin Ratings and DimensionsPart 1. General Information General InformationDimensions PRE-INSTALLATION Requirements Electrical Connection Part 2. ElectricalGeneral Information / Electrical Pressure Relief ValveElectrical Electrical / GAS Connection Part 3. GAS ConnectionGAS Table GAS ConnectionGAS Connection GAS PipingMunchkin Burnertech GAS Valve Combustion SettingsVenting the Munchkin in 4 or 6 Plastic Pipe Part 4. VentingVenting Approved Venting MaterialsVenting 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 Hydronic Piping with Circulators or Zone Valves Part 5. PipingVenting / Piping Condensate RequirementsCirculator 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 Lighting Instructions Part 6. START-UP ProceduresSTART-UP Procedures Items to be Checked Before Lighting the MunchkinOperating Instructions Adjusting the Temperature on the Munchkin DisplayTo Turn OFF GAS to Appliance Test ModeStatus Menu Sequence of Operation START-UP Procedures / ServicingMunchkin Temporary Fault Condition Part 7. ServicingServicing 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
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