Munchkin Gas-Fired Hot Water Circulating Heater Munchkin Contender Wall Mounting Instructions

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GAS-FIRED HEATER Installation Manual

PART 4: PREPARE MUNCHKIN CONTENDER (CONTINUED)

WARNING

The wall must be capable of carrying the weight of the heater and its related components. The weights of the heater are approximately:

MC-50-

71 lbs.

MC-80-

74 lbs.

MC-99- ]

MC-120- 84 lbs.

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

C.MUNCHKIN CONTENDER

WALL MOUNTING INSTRUCTIONS

WARNING

This heater is heavy and awkward to lift. It is recommended and safer to install the heater with two people. Use caution as to not drop the heater which could cause personal injury. Verify that the heater is securely mounted before leaving the heater unsupervised.

The wall must be vertically plumb and capable of carrying the weight of the Munchkin Contender and its related components.

The building frame (studs) must be 16" on cen- ter. If not, you must use 1/2" minimum plywood 24" x 48", fastened with at least (14) #12 x 3" (3/16" x 3") round head tapping screws to the frame of the building to provide proper support for the heater. Alternate methods of mounting must not be used. (ex. toggle bolts, hollow wall anchors) or any other fastener other than #12 x 3" (3/16" x 3") round head tapping screws.

CAUTION

D.INSTALLATION STEPS

1)Prior to lifting the Munchkin Contender Heater onto the wall, use the enclosed template to level and locate the 2 primary screws (#12 x 3" [3/16" x 3"]) round head tapping screw leaving about 1/4" under the screw head to the wall surface to allow for access to the keyway slot which is located in the back of the heater panel. It is extremely important that the line on the template is level when locating the first 2 screws. Failure to do so will result in an uneven or out of level installation.

2)Remove the Munchkin Contender cover and locate the 2 keyway slots over the screws, then lower the heater onto the smallest part of the keyway slot.

3)Once the heater is mounted on the first 2 screws, finish tightening the first two screws to the back panel, then install the 6 additional screws of the same size to the back panel holes. This will provide additional strength and support to the Munchkin Contender Heater.

If the Munchkin Contender is not vertically plumb, improper and unsatisfactory operation may occur. This will cause excessive condensation build-up causing unnecessary maintenance and nuisance fault codes.

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Contents Installation Manual What to do if YOU Smell GAS Contents Contents CONT’D Definitions Part 1 Product and Safety InformationHeater Water Munchkin Contender OperationFreeze Protection Fluids Winterizing the Munchkin ContenderModulating Combustion System Gas ValveReturn water temperature sensor Supply water temperature sensorTemperature and pressure gauge Swirl Plate SystemPart 2 HOW the Munchkin Contender Operates CONT’D Installations Must Comply withBefore Locating the Munchkin Contender Clearances for Service AccessExhaust Vent and Intake AIR Vent Residential Garage InstallationPrevent Combustion AIR Contamination Part 4 Prepare Munchkin Contender Heater Munchkin Contender Wall Mounting Instructions Installation StepsPart 5 Munchkin Contender Piping Circulators Part 5 Munchkin Contender PipingCirculator Sizing Fill and Purge Heating System System Temperature Rise ChartZoning with Zone Valves Munchkin Contender PipingZoning with Circulators Multiple HeatersContender Piping Details Piping symbol legendDrawing 1A Standard Munchkin Contender! Heater zoning with valvesDrawing 1B Standard Munchkin Contender Heater zoning with valvesSpace heating zone circuit See note Make-up water Installation Manual GAS-FIRED Heater Installation Manual Space heating zone circuit Vision I System Piping Zoning with Circulators Using VisionHeater Piping Details with the Vision I System Drawing 2ADrawing 2B OFF Drawing 2CDrawing 3A Drawing 3B Drawing 3C Outdoor Temperature sensor Vision 1 system purgeDrawing 3D Drawing 3E Drawing 3F Drawing 3G Exhaust Vent and Intake AIR Vent Pipe Location Installing Exhaust Vent and Intake AIR VentGeneral Exhaust Vent and Intake AIR Vent Sizing Part 7 VENTING, Combustion AIR & Condensate RemovalInstallation Manual Reference National Fuel Gas Code Ansi Z223.1/NFPA 54 Exhaust Vent and Intake AIR Pipe InstallationVent Termination Kits Description Stock Code Heater Removal from a Common Vent SystemMaterial Condensate Removal SystemCanada Sidewall Venting with KIT Diagrams for Sidewall Venting12 2 roof vent with tee intake & coupling exhaust GAS Connection Part 8 GAS PipingGAS Piping GAS TableTAP Inlet Dungs GAS ValveField Wiring Installation Must Comply withLine Voltage Wiring ThermostatPart 9 Field Wiring Part 9 Field Wiring Indirect Circulator P2 Program Part 10 Field Wiring Vision 1 OptionPart 11. START-UP Preparation Freeze Protection When UsedCHECK/CONTROL Water Chemistry Fill and Test Water SystemPurge AIR from Water System Check for GAS LeaksCheck Thermostat Circuits Condensate Removal Part 12. START-UP ProcedureAdjusting the Setpoint Part 12. START-UP ProcedureOperating Instructions Status MenuVision 1 Program Access Test ModeProgramming the Vision I Option Vision 1 Program Navigation Function Default Function Function Value DescriptionCentral Heating Curve Function Function Default Setting Programmed Setting Control Program Reference ChartHeater Error Munchkin Error CodeHeater Fault 925 Control Board Fault Codes Description Remedy Part 14 TroubleshootingOutdoor Sensor 7250P-319 Maintenance ProceduresSure Exhaust Vent is no Longer Blocked For GAS LeaksReplacement Parts Part 15 MaintenanceReplacement Parts Replacement Parts Light Off Activities Heater Start UP ReportHeater 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.