Munchkin Gas-Fired Hot Water Boiler Before Installing, When Servicing Boiler, Boiler Operation

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GAS-FIRED BOILER

Boiler Manual

PART 1: PRODUCT AND SAFETY INFORMATION (CONT’D)

WARNING

Installer — Read all instructions in this manual, and Munchkin Venting section, before installing. Perform steps in the order given.

User — This manual is for use only by a qualified heating installer/service technician. Refer to User’s Information Manual for your reference.

User — Have this boiler serviced/inspected by a qualified service technician annually.

Failure to comply with the above could result in severe personal injury, death or substantial property damage.

WARNING

Failure to adhere to the guidelines on this page can result in severe personal injury, death or substantial property damage.

WARNING

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

•Do not touch any electric switch; do not use any phone in your building.

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

•If you cannot reach your gas supplier, call the fire department.

Before Installing

WHEN SERVICING BOILER

•To avoid electric shock, disconnect electrical supply before performing maintenance.

•To avoid severe burns, allow boiler to cool before performing maintenance.

BOILER OPERATION

•Do not block flow of combustion or ventilation air to boiler.

•Should overheating occur or gas supply fail to shut off, do not turn off or disconnect electrical supply to circulator. Instead, shut off the gas

supply at a location external to the appliance.

•Do not use this boiler if any part has been under water. Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control that has been under water.

BOILER WATER

•If you have an old system with cast iron radiators, thoroughly flush the system (without boiler connected) to remove sediment. The high-efficiency heat exchanger can be damaged by build-up or corrosion due to sediment.

•Do not use petroleum-based cleaning or sealing compounds in boiler system. Gaskets and seals in the system may be damaged. This can result in substantial property damage.

•Do not use “homemade cures” or “boiler patent medicines.” Substantial property damage, damage to boiler, and/or serious personal injury may result.

•Continual fresh make-up water will reduce boiler life. Mineral buildup in heat exchanger reduces heat transfer, overheats the stainless steel heat exchanger, and causes failure. Addition of oxygen carried in by make-up water can cause internal corrosion in system components. Leaks in boiler or piping must be repaired at once to prevent make-up water.

FREEZE PROTECTION FLUIDS

CAUTION

NEVER use automotive or standard glycol antifreeze, even ethylene glycol made for hydronic systems. Use only inhibited propylene glycol solutions, which are specifically formulated for hydronic systems. Ethylene glycol is toxic and can attack gaskets and seals used in hydronic systems.

CAUTION

Consider piping and installation when determining boiler location. Any claims for damage or shortage in shipment must be filed immediately against the transportation company by the consignee.

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Contents Boiler Manual Contents Contents CONT’D Definitions Part 1 Product and Safety InformationWhen Servicing Boiler Before InstallingBoiler Operation Boiler WaterReturn water temperature sensor Supply water temperature sensorTemperature and pressure gauge Stainless Steel Heat ExchangerSpark ignition Part 3 Prepare Boiler LocationVision 1 System Boiler Location should be LevelPerformance Ratings Connection Sizes FAN Speeds Dimensions80M 140M/199M Before Locating the Boiler Installations Must Comply withClearances for Service Access PrecautionsResidential Garage Installation Exhaust Vent and Intake AIR VentCorrosive contaminants and sources When Removing a Boiler from AN Existing Common Vent SystemRelief Valve Part 5 Boiler PipingRemove Boiler from BOX Diaphragm or bladder expansion tank Part 5 Boiler Piping Circulator Sizing Circulator Sizing ChartFill and Purge Heating System System Temperature Rise ChartMultiple Boilers Zoning with Zone ValvesZoning with Circulators Boiler Piping Details Piping Symbol LegendOFF Zone valves Make-up water Boiler Manual Space heating zone circuit Zone Circulators Make-up water PB1 PB2 PB1 PB2 Vision I System Piping Zoning with Circulators Using VisionBoiler Piping Details with the Vision I System Space heating modeOFF DHW Space heating mode w/ submixing Water OFF Munchkin Vision 1 system zoning with circulators Space heating mode 3 fully reset supply temperatures Space heating mode 3 different supply temperatures OFF Thermal trap Drain plug Exhaust Vent and Intake AIR Vent Pipe Location Installing Exhaust Vent and Intake AIR VentGeneral Part 7 VENTING, Combustion AIR & Condensate Removal Reference National Fuel Gas Code Ansi Z223.1/NFPA 54 Longer Vent Runs Exhaust Vent and Intake AIR Pipe InstallationExhaust Vent and Intake AIR Vent Sizing Vent Termination Kits Description Stock Code Heater Removal from a Common Vent SystemCondensate Removal System Sidewall Venting with TEE Intake Coupling Exhaust Diagrams for Sidewall VentingSidwall Venting with KIT Roof Vent with TEE Intake Coupling Exhaust Diagrams for Vertical VentingGAS Connection Part 8 GAS PipingGAS Piping GAS TableDungs GAS Valve for T50/T80/80M/140M/199M OFF SET AdjustmentField Wiring Installation Must Comply withLine Voltage Wiring Krom Schroder Valve for 399MPart 9 Field Wiring Part 9 Field Wiring Indirect Circulator P2 Program Part 10 Field Wiring VisionPart 11. START-UP Preparation Check Thermostat Circuits Check for GAS LeaksPurge AIR from Water System Final Checks Before Starting Boiler Check Condensate RemovalAdjusting the Setpoint Part 12. START-UP ProcedureOperating Instructions Status MenuProgramming the Vision I Option Test ModeVision 1 Program Access Vision 1 Program Navigation Boiler cannot be programmed while there is a call for heatCentral Heating Curve Function Default Function Function Value DescriptionFunction Function Default Setting Programmed Setting Control Program Reference ChartBoiler Fault Munchkin Error CodeBoiler Error 925 Control Board Fault Codes Description Remedy Part 14 TroubleshootingOutdoor Sensor 7250P-319 Maintenance ProceduresSure Exhaust Vent is no Longer Blocked For GAS LeaksT50M/T80M Part 15 MaintenanceT50M/T80M 80M/140M/199M Boiler Replacement Parts Boiler Boiler Boiler Start UP ReportManual Boiler Inspection and Maintenance ScheduleBoiler Inspection and Maintenance Schedule Maintenance Notes Maintenance Notes Maintenance Notes Heat Transfer Products, Inc LP-185 REV /20/07

Gas-Fired Hot Water Boiler specifications

The Munchkin Gas-Fired Hot Water Boiler is a highly efficient heating system that has garnered attention in residential and commercial applications for its innovative design and advanced technology. This boiler is compact yet powerful, providing exceptional heating performance while maximizing energy efficiency.

One of the standout features of the Munchkin boiler is its modulating condensing technology. This system allows the boiler to adjust its output based on demand, which optimizes energy use and reduces unnecessary fuel consumption. By modulating the flame, the Munchkin boiler can maintain a steady heating output even during variable load conditions, ensuring that users enjoy consistent hot water without waste.

The Munchkin boiler offers an impressive AFUE (Annual Fuel Utilization Efficiency) rating, typically exceeding 95%. This high efficiency translates to significant savings on energy bills and a reduced carbon footprint. By capturing and reusing flue gases that would otherwise be lost, the condensing feature enhances the overall efficiency, making it a sustainable choice for modern heating needs.

In terms of installation, the Munchkin boiler is designed for versatility. Its compact size allows for easy placement in tight spaces, whether in residential basements or utility closets. The unit is compatible with a variety of piping systems and can be integrated with multiple heating sources including radiators, baseboards, and even in-floor heating setups.

Another notable characteristic of the Munchkin boiler is its advanced control system. The boiler is equipped with a user-friendly digital display that allows for easy programming, monitoring, and adjustments. This enhanced control capability ensures that users can fine-tune their heating schedules according to their lifestyle, optimizing comfort while maintaining peak efficiency.

Reliability is a hallmark of the Munchkin brand. Built with high-quality materials, these boilers are engineered to withstand the rigors of daily operation, offering durable performance for years. Furthermore, Munchkin provides robust customer support and service options to assist homeowners and professionals alike.

In summary, the Munchkin Gas-Fired Hot Water Boiler stands out due to its modulating condensing technology, high efficiency, compact design, and advanced control system. These characteristics make it an excellent choice for those seeking a reliable, efficient, and versatile heating solution. Whether for residential or commercial use, the Munchkin boiler provides consistent, effective heating that meets the demands of today's energy-conscious consumers.
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