GAS-FIRED BOILER

Boiler Manual

PART 13: START-UP PROCEDURES WITH THE VISION 1 (CONTINUED)

the pass code is correct, you will need to press and hold the {S3/Program} for 1 second to confirm. If the pass code is entered incorrectly, the con- troller program function will be cancelled and the control returns to normal operation. If the code is entered correctly, the control will switch off the gas valve and purge fan while showing a solid ---in the display. The display will than show a 1 alternating to de. This first function verifies that the control will address the requirements of the Superstor Indirect Fired Water Heater.

C. VISION 1 PROGRAM NAVIGATION

Next you will have to press the {S/3} key to move through each function. To increase or decrease a value, you will need to press either the {S/1-}key or {S/2+} key to change the default values. If there is no key action for 1 minute, the display returns to normal operation. Changes are effec- tive immediately but not directly stored until the {S/4} key is pressed down for 3 seconds then the new values are stored. Listed below are the vari- ety of functions the installer can program into the Vision I System.

CAUTION

The Boiler cannot be programmed while there is a call for heat.

NOTE: See Chart 13-1 in Part 13 to set outdoor reset curve.

Default Function

Function Value Description

1de Not Applicable

2149ºF Not Applicable

3160ºF Maximum Domestic Delivery Water Temperature Setpoint the Installer will program for SuperStor Indirect Fired Water Heater (Note: Does not apply if used with Mechanical Control)

Range: 95ºF to 160ºF

436ºF Not Applicable

5 7ºF Allows the installer to change the differential in the Indirect Fired Water Heater (Does not apply if used with a Mechanical Control)

Range: 1ºF to 18ºF

Default Function

Function Value Description

60 Min. Allows the installer to change the Indirect Circulator Post Purge Time once the sensor is satisfied (Note: it is recommend that Circulator Post Purge Time be set no greater than 5 minutes).

Range: 0 to 60 minutes

768ºF Outdoor temperature that you wish the central heating should be disabled—(warm weather shut- off) Range: 41ºF to 122ºF

*8

5ºF Allows the installer to change the

 

Minimum Outside Design

 

Temperature. Range: –49ºF to

 

32ºF (See Chart 13-1 to set out-

 

door reset curve)

*9

180ºF Allows the installer to change the

 

D e s i g n S u p p l y W a t e r

 

Temperature from the Munchkin

 

based on the Minimum Outside

 

Design Temperature Range: 77ºF

 

to 185ºF

*10

68ºF Allows the installer to change the

 

Maximum Outside Design

 

Temperature for Central Heating.

 

Range: 95ºF to 32ºF

*11

95ºF Allows the installer to change the

 

Design Supply Water

 

Temperature from the Munchkin

based on the Maximum Outside Design Temperature. Range: 32ºF to 180ºF

1268º F Allows the installer to set the low- est temperature on the Munchkin for Central Heating. Range: 32ºF to 180ºF

130 Min. Allows the installer to change the Central Heating Circulator Post Purge Time once the thermostat is satisfied. Range 0 to 10 minutes.

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Munchkin Gas-Fired Hot Water Boiler manual Boiler cannot be programmed while there is a call for heat
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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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