Munchkin Understanding Boiler Codes and Heater Installation

Models: Gas-Fired Hot Water Circulating Heater

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GAS-FIRED HEATER Installation Manual

PART 2: HOW THE MUNCHKIN CONTENDER OPERATES (CONT’D)

Super Stor Ultra Indirect Water Heater to get a fast recovery by prioritizing the flow at a higher temperature than may be needed for the central heating circuits (this will require two separate circulators). You must follow the piping, wiring and programming instructions

located in the Vision One section of this manual. Optional kit consists of the following

Outdoor sensor – 7250P-319

Indirect tank sensor – 7250P-325

1SYSTEM RETURN

2SYSTEM SUPPLY

3SYSTEM RELIEF

A

4 COMBUSTION AIR INLET CONNECTION

7

ELECTRICAL BOX/CONTROL PANEL

5 EXHAUST VENT CONNECTION

8

GAS LINE CONNECTION

6CONDENSATE CUP/DRAIN ASSEMBLY

G

H

M

N

J

B

 

C

 

 

1

D

 

3

 

 

 

 

E

 

2

 

 

F

 

 

 

 

 

LEFT SIDE

 

 

 

VIEW

 

K

L

FRONT VIEW

7

O

8

P

S

 

Q

 

R

 

RIGHT SIDE

BACK VIEW

VIEW

 

MUNCHKIN CONTENDER HEATER DIMENSIONS AND SPECIFICATIONS

 

BTU/HR

BUT/HR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMBUSTION AIR

 

 

 

 

 

DOE

LOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INLET/EXHAUST

SYSTEM

SYSTEM SUPPLY/

GAS

HEATER

ENERGY

 

MODEL

INPUT

INPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WATER

APPROX.

A

B

C

D

E

F

G

H

J

K

L

M

N

O

P

Q

R

S

VENT

RELIEF

SYSTEM RETURN/

LINE

WATER

FACTOR

EFF.

NUMBER

LOW

HIGH

EFF.

SHIPPING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTION

PIPE SIZE

PIPE SIZE

CONN.

VOLUME

EF 3

AFUE 1

 

FIRE

FIRE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LTAAE 2

WEIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIZE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC50

18,000

50,000

12.50

27.50

7.00

2.75

5.25

9.00

17.25

7.75

5.50

2.75

5.25

5.00

9.00

2.75

4.00

6.50

10.25

4.00

2.00

.75

1.25

.75

.58

.91

92%

98%

71 LBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC80

19,000

80,000

12.50

27.50

7.00

2.75

5.25

9.00

17.25

7.75

5.50

2.75

5.25

5.00

9.00

2.75

5.25

6.50

10.25

4.00

2.00

.75

1.25

.75

.67

.93

92%

98%

74 LBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC99

44,000

99,000

13.50

27.50

7.00

2.75

6.50

10.25

17.25

7.75

5.50

2.75

5.25

6.00

9.00

2.75

7.75

6.50

11.25

4.00

2.00

.75

1.25

.75

.96

.95

93%

98%

84 LBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MC120

44,000

120,000

13.50

27.50

7.00

2.75

6.50

10.25

17.25

7.75

5.50

2.75

5.25

6.00

9.00

2.75

7.75

6.50

11.25

4.00

2.00

.75

1.25

.75

.96

.95

92%

98%

84 LBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.Tested by Heat Transfer Products to the ANSI/ASHRAE 103

2.Tested by Heat Transfer Products to the ANSI/ASHRAE Standard 103 with 90° return and 110° supply water

3.Tested by Heat Transfer Products to the 10 CFR 430.23 2005

PART 3: PREPARE MUNCHKIN CONTENDER LOCATION

A. INSTALLATIONS MUST COMPLY WITH:

• National Electrical Code.

Local, state, provincial, and national codes, laws, regulations and ordinances.

National Fuel Gas Code, ANSI Z223.1 – latest edition.

For Canada only: B149.1 or B149.2 Installation Code, CSA C22.1 Canadian Electrical Code Part 1 and any local codes.

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Munchkin Gas-Fired Hot Water Circulating Heater installation manual Part 2 HOW the Munchkin Contender Operates CONT’D

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.