Munchkin OFB Venting Manual

Munchkin OFB Venting Manual

Oil fired boilers

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Venting Manual
for
Munchkin Oil Fired Boilers
Designed and Tested to the A.S.M.E. Boiler and Pressure Vessel Code
LP-115 REV 6/1/03

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Summary of Contents for Munchkin OFB

  • Page 1 Venting Manual Munchkin Oil Fired Boilers Designed and Tested to the A.S.M.E. Boiler and Pressure Vessel Code LP-115 REV 6/1/03...
  • Page 3: Table Of Contents

    CONTENTS / USING THIS MANUAL TABLE OF CONTENTS PART I. COMBUSTION AIR AND VENTILATION A. Fresh Air Intake ............2 B.
  • Page 4: Part I. Combustion Air And Ventilation

    PART I. COMBUSTION AIR AND VENTILATION If a MUNCHKIN OFB is being used for a retrofit and is installed in a full basement with ade- quate infiltration for combustion air it may be installed in the usual way following accepted industry guidelines and good industry practices.
  • Page 5: Combustion Air Supply With No Barometric Damper

    NFPA-211 should be used as a reference. BAROMETRIC DAMPER The MUNCHKIN OFB boiler does not normally require a barometric damper, but, it may be required when the draft in the venting system is stronger than required, and the burner is incapable of operating against a high negative over-fire pressure.
  • Page 6: Roof Clearances

    Standard roof clearances apply. It is the responsibility of the installer to ensure they are ade- quate. C. HEAT EXTRACTORS The MUNCHKIN OFB oil fired boiler is not approved for use with a heat extractor mounted in the breeching or fluepipe. PART III. NATURAL DRAFT APPLICATIONS...
  • Page 7: Part Iv. Mechanical Draft Applications

    • Chimney connectors should be free of as many 90° degree turns as possible, and be pitched upwards towards the vent. It is important to note that due to the high efficiency of the MUNCHKIN OFB boilers con- densing temperatures in the chimney connector and venting system may be reached.
  • Page 8: Part V. Power Venter Applications

    POWER VENTER APPLICATIONS • At least 1' from any roof soffit or ridge vent. • At least 7' above any public walkway. • All of the vent construction should consist of suitable materials and terminate at an approved stainless steel hood. •...
  • Page 9: Part Vi. Direct Vent Applications

    DIRECT VENT APPLICATIONS PART VI. DIRECT VENT APPLICATIONS When using MUNCHKIN OFB- Models 3MOFB, 4MOFB AND 5MOFB on 'sealed' or 'direct' vented systems, they must be ordered from the factory with a Direct Vent System manu- factured by Flex-L International, Inc. whose part numbers are at the end of this section.
  • Page 10: Installing The Outside Terminal

    DIRECT VENT APPLICATIONS adapter should be fully inserted into the inner vent tube until it's tight. The seams of both tubes must be aligned for ease of insertion. If the adapter does not completely screw into the vent pipe, unscrew it and try again repeating Step 4 page 7. 5) Seal around edge of vent pipe inner tube.
  • Page 11: Connections To Outside Terminal

    DIRECT VENT APPLICATIONS 8) Seal with a weatherproof sealant around the bead and edge of the outer wall plate to pre- vent water from getting inside. C. CONNECTIONS TO OUTSIDE TERMINAL Using Figure 8 and Figure 9 complete the following steps: 1) Slide the inner section over the vent pipe.
  • Page 12: Part Vii. Maintenance

    MAINTENANCE PART VII. MAINTENANCE HEAT TRANSFER PRODUCTS, INC. and Flex-L International Inc recommends the entire heat- ing system, including the appliance and vent, to be checked annually by a qualified heating professional. Figure 8 Figure 9 THE CERAFLEX VENT TERMINAL IS 0" CLEARANCE TO COMBUSTIBLES...
  • Page 13 MAINTENANCE THE CERAFLEX INSULATED VENT PIPE IS 1" CLEARANCE TO COMBUSTIBLES Figure 10 Figure 11 Figure 12 Figure 13...
  • Page 14: Part Viii. Ceraflex "Flex L" Components List

    CERAFLEX “FLEX L” COMPONENTS LIST PART VIII. CERAFLEX “FLEX L” COMPONENTS LIST: Components - 4" Dia. System Part No. CeraFlex Vent Pipe 10' Length CFV104 CeraFlex Vent Pipe 15' Length CFV154 CeraFlex Vent Pipe 20' Length CFV204 CeraFlex Appliance Adapter w/Pt 6"-4" CFAA64P CeraFlex Terminal Adapter 4"-4"...
  • Page 15 FOR FURTHER TECHNICAL INFORMATION CONTACT: HEAT TRANSFER PRODUCTS, Inc. 120 Braley Road PO Box 429 East Freetown, MA 02717-0429 508-763-8071...

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