GAS-FIRED HEATER Installation Manual

PART 14: TROUBLESHOOTING (CONTINUED)

Fig. 14-2

NOTE: If receiving an F09 fault code, check t h e g a p s p a c i n g between points on the electrode by holding two quarters together a n d s l i d i n g t h e m through the gap. There should be a slight resistance.

Resistance Tables

Outdoor Sensor (7250P-319)

Outside Temperature (°F)

Resistance (ohms)

 

 

–22

171800

 

 

–13

129800

 

 

–4

98930

 

 

5

76020

 

 

14

58880

 

 

23

45950

 

 

32

36130

 

 

41

28600

 

 

50

22800

 

 

59

18300

 

 

68

14770

 

 

77

12000

 

 

86

9804

 

 

95

8054

 

 

104

6652

 

 

113

5522

 

 

Fig. 14-3

Heater Sensor (7250P-059)

Indirect Sensor

(7250P-320)

 

Heater and Indirect Temperature (°F)

Resistance (ohms)

 

 

32

32550

 

 

41

25340

 

 

50

19870

 

 

59

15700

 

 

68

12490

 

 

77

10000

 

 

86

8059

 

 

95

6535

 

 

104

5330

 

 

113

4372

 

 

122

3605

 

 

131

2989

 

 

140

2490

 

 

149

2084

 

 

158

1753

 

 

167

1481

 

 

176

1256

 

 

185

1070

 

 

194

915

 

 

203

786

 

 

212

667

 

 

PART 15: MAINTENANCE

A. MAINTENANCE PROCEDURES

Periodic maintenance should be performed once a year by a qualified service technician to assure that all the equipment is in safe efficient operation. The owner can make necessary arrangements with a qualified heating contrac- tor for periodic maintenance of the heater. Installer must also inform the owner that the lack of proper care and maintenance of the heater may result in a hazardous condition. The installer should discuss the contents of the User's Information Manual with the owner.

WARNING

BEFORE EACH HEATING SEASON A trained and qualified service technician should perform the inspections as per the heater inspection and maintenance schedule in the back of manual. Failure to do so could result in death or serious injury.

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Munchkin Gas-Fired Hot Water Circulating Heater installation manual Outdoor Sensor 7250P-319, Maintenance Procedures

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.