Munchkin Gas-Fired Hot Water Circulating Heater Munchkin Contender Piping, Multiple Heaters

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GAS-FIRED HEATER Installation Manual

MUNCHKIN CONTENDER PIPING (CONTINUED)

CAUTION

It is highly recommended that you carefully follow the glycol manufacturer’s recommended concentrations, expansion requirements and maintenance recommendations (pH additive breakdown, inhibitor reduction, etc.). You must carefully figure the additional friction loss in the system as well as the reduction in heat transfer co-efficients.

J.ZONING WITH ZONE VALVES

1.Connect heater to system as shown in 1A and 1B in Piping Details when zoning with zone valves. The primary/secondary piping shown ensures the heater loop will have sufficient flow. It also avoids applying the high head of the heater circulator to the zone valves.

2.Connect DHW (domestic hot water) piping to indirect storage water heater as shown.

K.ZONING WITH CIRCULATORS

1.Connect heater to system when circulator zoning as shown in 1C and 1D in Piping Details when zoning with circulators. The heater circulator cannot be used for a zone. It must supply only the heater loop.

2.Install a separate circulator for each zone.

3.Connect DHW (domestic hot water) piping to indirect storage water heater as shown.

L.MULTIPLE HEATERS

1.Connect multiple heaters as shown in 1E and 1F in Piping Details.

2.All piping shown is reverse return to assure balanced flow through the connected heaters.

3.Each connected heater must have its own circulator pump to assure adequate flow.

4.Connect DHW (domestic hot water) piping to indirect storage water heater as shown.

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Contents Installation Manual What to do if YOU Smell GAS Contents Contents CONT’D Part 1 Product and Safety Information DefinitionsMunchkin Contender Operation Heater WaterModulating Combustion System Winterizing the Munchkin ContenderFreeze Protection Fluids Gas ValveTemperature and pressure gauge Supply water temperature sensorReturn water temperature sensor Swirl Plate SystemInstallations Must Comply with Part 2 HOW the Munchkin Contender Operates CONT’DClearances for Service Access Before Locating the Munchkin ContenderResidential Garage Installation Exhaust Vent and Intake AIR VentPrevent Combustion AIR Contamination Part 4 Prepare Munchkin Contender Heater Installation Steps Munchkin Contender Wall Mounting InstructionsPart 5 Munchkin Contender Piping Part 5 Munchkin Contender Piping CirculatorsCirculator Sizing System Temperature Rise Chart Fill and Purge Heating SystemZoning with Circulators Munchkin Contender PipingZoning with Zone Valves Multiple HeatersPiping symbol legend Contender Piping DetailsStandard Munchkin Contender! Heater zoning with valves Drawing 1AStandard Munchkin Contender Heater zoning with valves Drawing 1BSpace heating zone circuit See note Make-up water Installation Manual GAS-FIRED Heater Installation Manual Space heating zone circuit Zoning with Circulators Using Vision Vision I System PipingDrawing 2A Heater Piping Details with the Vision I SystemDrawing 2B Drawing 2C OFFDrawing 3A Drawing 3B Outdoor Temperature sensor Vision 1 system purge Drawing 3CDrawing 3D Drawing 3E Drawing 3F Drawing 3G Installing Exhaust Vent and Intake AIR Vent Exhaust Vent and Intake AIR Vent Pipe LocationGeneral Part 7 VENTING, Combustion AIR & Condensate Removal Exhaust Vent and Intake AIR Vent SizingInstallation Manual Reference National Fuel Gas Code Ansi Z223.1/NFPA 54 Installation Exhaust Vent and Intake AIR PipeHeater Removal from a Common Vent System Vent Termination Kits Description Stock CodeCondensate Removal System MaterialCanada Diagrams for Sidewall Venting Sidewall Venting with KIT12 2 roof vent with tee intake & coupling exhaust GAS Piping Part 8 GAS PipingGAS Connection GAS TableDungs GAS Valve TAP InletLine Voltage Wiring Installation Must Comply withField Wiring ThermostatPart 9 Field Wiring Part 9 Field Wiring Part 10 Field Wiring Vision 1 Option Indirect Circulator P2 ProgramCHECK/CONTROL Water Chemistry Freeze Protection When UsedPart 11. START-UP Preparation Fill and Test Water SystemCheck for GAS Leaks Purge AIR from Water SystemCheck Thermostat Circuits Part 12. START-UP Procedure Condensate RemovalOperating Instructions Part 12. START-UP ProcedureAdjusting the Setpoint Status MenuTest Mode Vision 1 Program AccessProgramming the Vision I Option Vision 1 Program Navigation Default Function Function Value Description FunctionCentral Heating Curve Function Control Program Reference Chart Function Default Setting Programmed SettingMunchkin Error Code Heater ErrorHeater Fault Part 14 Troubleshooting 925 Control Board Fault Codes Description RemedyMaintenance Procedures Outdoor Sensor 7250P-319For GAS Leaks Sure Exhaust Vent is no Longer BlockedPart 15 Maintenance Replacement PartsReplacement Parts Replacement Parts Heater Start UP Report Light Off ActivitiesHeater Inspection and Maintenance Schedule Heater Inspection and Maintenance Schedule Maintenance Notes Maintenance Notes 2007, 2006 Heat Transfer Products, Inc LP-171 REV /20/07

Gas-Fired Hot Water Circulating Heater specifications

The Munchkin Gas-Fired Hot Water Circulating Heater is a cutting-edge heating solution designed to provide efficient and reliable hot water for residential and commercial applications. Renowned for its compact design and innovative technology, the Munchkin heater combines performance with energy efficiency, making it an ideal choice for those seeking comfort and cost savings.

One of the main features of the Munchkin heater is its modulating burner. This technology intelligently adjusts the heating output based on the demand for hot water, ensuring that energy is not wasted. This leads to lower energy bills and a reduction in environmental impact, as the system only uses the necessary resources to maintain desired water temperatures.

Another notable characteristic is its high-efficiency rating. The Munchkin heater operates with an impressive annual fuel utilization efficiency (AFUE) of up to 95%. This means that the majority of the fuel consumed is converted into usable heat. By maximizing energy utilization, homeowners can enjoy a significant reduction in utility costs while minimizing emissions.

The compact size of the Munchkin Gas-Fired Hot Water Circulating Heater is another significant advantage. It is designed to fit into tight spaces, making it suitable for homes where space is at a premium. This compact design does not compromise performance; instead, it enhances installation flexibility, allowing for placement in basements, closets, or utility rooms.

Munchkin heaters are equipped with advanced control systems that offer enhanced convenience. The digital display and programmable settings allow users to set their preferred temperatures and schedules. This feature not only enhances user comfort but also optimizes energy usage, as water is heated only when necessary.

Safety is also a top priority with Munchkin products. The heater includes built-in safety features such as flame monitoring systems, automatic shut-off capabilities, and pressure relief valves, providing peace of mind for users.

In summary, the Munchkin Gas-Fired Hot Water Circulating Heater is a high-efficiency, compact, and innovative solution for hot water needs. With its modulating burner, high-efficiency rating, advanced control systems, and safety features, it stands out as a reliable choice for those looking to invest in heating technology that prioritizes energy conservation and performance. This heater is truly a forward-thinking solution for modern hot water requirements.