GAS-FIRED BOILER

Boiler Manual

PART 10: FIELD WIRING – VISION 1

Outdoor Sensor Function The user can pro- gram the desired supply temperature based on the heat transmitter (Baseboard, Radiant Floor, Air Handler) that will be used in the installation. Once the outdoor sensor (Light Green Wires) is connected to the control board, the water tem- perature of the boiler will adjust to run the boil- er more efficiently and provide greater comfort to the living space.

Connection Specification – Wire 22 AWG maximum to 100 feet or 18 AWG up to 150 feet. Length of wire run cannot exceed 150 feet.

Outdoor Sensor is connected in the junction box on the Munchkin Boiler. Route wires from the Munchkin Boiler terminal strip to your out- door sensor, which will allow the user to change the temperature going to the Central Heating loop automatically. Place the outdoor sensor preferably to the north or northwest or to the side which will be affected by changing weather conditions outside. NOTE: Do not locate the sensor in the direct sunlight.

CAUTION

The wire to outdoor sensor must not be laid closer than 6' to line voltage wiring (120/240 V) and must never be in the same conduit.

Indirect Sensor Function: The Maximum run time on priority function for the Super Stor Ultra Indirect Fired Water Heater is from 1-60 minutes. The water temperature can only be adjusted when using a sensor (not a mechanical control). Temperature adjustments are from 95 to 185 degrees, plus a differential 1-18 degrees (Note: It is recommend that you do not exceed 5 minutes on the DHW pump post purge cycle to avoid cooling down your DHW tank).

Indirect Sensor is connected to the main control on the Munchkin Boiler. Route wires from the terminal strip to the sensor or the mechanical control Honeywell Part # L4080b-

1395 (Not included in Vision I Package) into the control well located in the front of the water heater. This will allow the installer to control the temperature of the indirect from the Munchkin Boiler and give the water heater priority over the Central Heating Circuit. Once the Water Heater is satisfied, the boiler will then switch back to the Central Heating Circuit only if there is a call for heat, otherwise the Munchkin Boiler will then shut down.

Indirect Circulator (P2) Program

function: The indirect water heater circulator program function will automatically start when the water heater sensor reads a call for heat, the installer can also program the post purge function on the circulator. The Post purge circulator function ranges from 1-30 minutes.

Indirect Circulator (P2) is connected to the terminal strip on the Munchkin Boiler. Run the wire to the Super Stor Ultra Indirect circulating pump. The purple wire will be your neutral lead and the pink wire will be your hot. This will sup- ply 120 volts to the water heater circulator directly.

Fault Code Alarm Output is connected to the main controller on the Munchkin Boiler. Route wire from the Munchkin Boiler controller to an external relay or an audible alarm. The red wire will be your hot lead supplying 120 volts. The neutral connection will be connected to the neutral on the incoming power to the Munchkin Boiler.

CAUTION

Do not tie neutrals or hot wire leads to any o t h e r w i r e s , g o d i r e c t l y f r o m t h e Munchkin Boiler controller to the circulator.

Connection Specification – Wire 18 AWG maximum. Length of wire run cannot exceed 100 feet.

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Munchkin Gas-Fired Hot Water Boiler manual Part 10 Field Wiring Vision, Indirect Circulator P2 Program
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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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