Munchkin Gas-Fired Hot Water Circulating Heater specification

GAS-FIRED HEATER Installation Manual

PART 13: START-UP PROCEDURES WITH THE VISION 1 OPTION (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 Munchkin Contender 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 180ºF
*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.

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.