A.O. Smith EQ 280 G, EQ 380 G manual Contents

Page 3

CONTENTS

PAGE

1.

General

4

1.1

- Description of the appliance

4

1.2

- Technical safety equipment

6

1.3

- Technical description

8

1.3.1

- Dimensions

8

1.3.2

- Technical data

10

2.

For the installer

12

2.1

- Installation instructions

12

2.1.1

- Installation

12

2.1.2

- Water connection

12

2.1.3

- Gas connection

13

2.1.4

- Flue system

14

2.1.5

- Flue down draught safety device

14

2.2

- Commissioning

15

2.3

- Pilot adjustment

16

2.4

- Putting out of operation

16

2.5

- Temperature regulation

16

2.6

- Setting the nominal heat input

17

2.7

- Conversion procedure

17

2.8

- Maintenance

19

2.8.1

- Sacrificial anode

19

2.8.2

- Cleaning

19

2.8.3

- Decalcification

20

2.8.4

- Spare parts

20

2.9

- Inlet combination

20

2.10

- Fault finding

20

2.11

- Gas smell

21

2.12

- Condensation

21

2.13

- Important warning

21

3.

For the user

22

3.1

- Commissioning

22

3.2

- Use

22

3.3

- Putting out of operation

22

3.4

- Fault finding

23

4.

Guarantee

24

3

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Contents Waterstorage Heaters ModelsPage Contents Description of the appliance GeneralPage Technical safety equipment Thermal Reflux SafeguardGas control block Page Dimensions Technical descriptionDim Drawing 3 Dimensions Device category II2H3+ Technical dataGeneral Installation instructions For the InstallerGas connection Draught diverter Flue systemCommissioning Filling the water heaterPutting into operation Pilot adjustment Temperature regulationPutting out of operation Converting to another type of gas Setting the nominal heat inputUnit G20 G30 G31 Conversion from natural gas to LP- gasConversion from LP-gas to natural gas Maintenance CleaningSacrificial anode Decalcification Fault findingSafety thermostat Inlet combinationCondensation Hot water temperature too lowHot water temperature too high Check whether the control Gas smellUse For the UserMeasure Failure CauseGuarantee Page Page Page 0308 645 R0

EQ 280 G, EQ 380 G specifications

A.O. Smith EQ 380 G and EQ 280 G are high-performance water heaters known for their innovative features and advanced technologies. These gas water heaters offer homeowners reliability, efficiency, and durability, making them ideal choices for various residential applications.

The EQ 380 G model is designed to handle high-demand situations, with a striking first-hour delivery rate of up to 80 gallons. This ensures that households with high hot water usage, such as those with multiple bathrooms or large families, have adequate supply at all times. The EQ 280 G, while slightly smaller, still provides impressive performance with a first-hour rating that accommodates medium-sized homes.

One of the standout features of both models is their energy efficiency. They are equipped with a high-efficiency gas burner that significantly reduces energy consumption compared to traditional water heaters. The integration of advanced insulation technology minimizes heat loss, ensuring that the water heater operates economically and in compliance with stringent energy regulations. This efficiency not only lowers utility bills but also contributes to a more sustainable environment.

The EQ series incorporates a robust digital control system that allows for precise temperature settings and monitoring. Users can easily adjust the temperature according to their preferences for comfort and safety. Additionally, the intuitive digital display makes it simple for homeowners to keep track of their water heater's performance and system notifications.

Safety is paramount in the design of the EQ 380 G and EQ 280 G. Both models feature an advanced flame arrestor design that helps prevent backdrafting and enhances overall safety during operation. Furthermore, they come equipped with a built-in thermostat and pressure relief valve, ensuring safe temperature regulation and maintaining optimal performance.

Durability is another hallmark of the EQ series. Constructed with high-quality materials, these units come with a 6-year limited warranty, providing peace of mind to homeowners regarding their investment. The tank's glass-lined coating protects against corrosion, ensuring that the water heater remains functional and efficient for years to come.

In summary, A.O. Smith EQ 380 G and EQ 280 G water heaters exemplify outstanding technology and features tailored to meet the needs of modern households. With impressive efficiency, reliable performance, and advanced safety measures, these models stand out in the competitive market of water heating solutions, delivering both comfort and value for homeowners.