A.O. Smith EQB 115 G, EQB 200 G, EQB 155 G manual Contents

Page 3

CONTENTS

PAGE

1.

General

4

1.1

Description of the appliance

4

1.2

Technical safety equipment

6

1.2.1

Gas control valve

6

1.2.2

Flue down draught safety device

6

1.3

Technical description

8

1.3.1

Dimensions

8

1.4

Technical data

10

2.

For the installer

11

2.1

Installation instructions

11

2.1.1

Installation

11

2.1.2

Water connections

11

2.1.3

Gas connection

13

2.1.4

Flue system

13

2.1.5

Flue down draught safety device

13

2.2

Commissioning

14

2.2.1

Filling the water heater

14

2.2.2

Putting into operation

14

2.2.3

Removing and replacing the inner door

15

2.3

Pilot adjustment

15

2.4

Putting out of operation

15

2.5

Temperature regulation

16

2.6

Setting the nominal heat input

17

2.7

Conversion to another type of gas

17

2.8

Maintenance

19

2.8.1

Sacrificial anode

19

2.8.2

Cleaning

20

2.8.3

Inspection of the internal waterside surfaces

20

2.8.4

Spare parts

20

2.9

Inlet combination

20

2.10

Fault finding

21

2.10.1

Safety thermostat

21

2.10.2

Flue down draught safety device

21

2.10.3

Hot water temperature too low

21

2.10.4

Hot water temperature too high

21

2.10.5

Possible water leakage

21

2.11

Gas smell

21

2.12

Condensation

21

3.

For the user

22

3.1

Commissioning

22

3.1.1

Filling the water heater

22

3.1.2

Putting into operation

22

3.1.3

Use

22

3.1.4

Putting out of operation

22

3.1.5

Maintenance

23

3.2

Fault finding

24

4.

Guarantee

26

3

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Contents EQB 115 G EQB 155 GEQB 200 G Page Contents Appliance DescriptionAOS Technical safety equipment Flue down draught safety deviceGas control valve AOS Technical description DimensionsDimensions Device category II2H3+ Technical dataInstallation instructions InstallationWater connections AOS Flue system Gas connectionCommissioning Filling the water heaterPutting into operation Pilot adjustment Putting out of operationRemoving and replacing the inner door Setting the pilot Temperature regulationConverting to another type of gas Setting the nominal heat inputDescription Unit EQB G20 G30 G31 Sacrificial anode MaintenanceSpare parts CleaningInlet combination Inspection of the internal waterside surfacesImportant warning Fault findingGas smell CondensationCommissioning 3 UsePutting out of operation Maintenance Fault Possible cause Fault findingFault Possible cause Range of guarantee Guarantee in generalGuarantee of the tank Conditions for installation and useAny other dealer or stockist of the warrantors products Page Page Page Page 0307 630 R1

EQB 115 G, EQB 155 G, EQB 200 G specifications

A.O. Smith has established a strong reputation in the water heating industry, and their EQB series of gas water heaters exemplifies this commitment to innovation and efficiency. The EQB 200 G, EQB 155 G, and EQB 115 G models are crafted to meet various residential needs while showcasing advanced technologies and user-friendly features.

The EQB 200 G is the powerhouse of the series, designed to accommodate households with higher hot water demands. It boasts a 199,000 BTU per hour input, enabling quick heating and sustaining higher output even during peak usage times. The unit features a robust tank capacity, ensuring an ample supply of hot water when needed. A.O. Smith's unique combustion system enhances the efficiency of this model, optimizing fuel consumption and reducing operational costs.

Next, the EQB 155 G offers a perfect balance for medium-sized households. With a maximum input of 155,000 BTU per hour, this water heater is capable of delivering consistent hot water without compromising on energy efficiency. The smart design includes a built-in temperature control that allows for precise adjustments, making it convenient to set the desired water temperature. Its compact design enables easier installation in smaller spaces, while still providing quality performance.

For smaller households or those with lower hot water requirements, the EQB 115 G is an ideal choice. This model operates at a maximum of 115,000 BTU per hour, making it perfect for apartments or modest-sized homes. The EQB 115 G features innovative insulation technology, significantly reducing heat loss and enhancing overall efficiency. This not only conserves energy but also contributes to lower utility bills over time.

All models in the EQB series are equipped with A.O. Smith's exclusive Cyclone 2 venting system, designed to facilitate efficient airflow and reduce the risk of backdrafts. Additionally, the advanced ignition system promotes reliable performance while minimizing maintenance needs.

A key standout feature across this series is the integrated smart technology, which provides real-time monitoring of water temperature and energy consumption. This connectivity allows homeowners to track their water usage and make adjustments to optimize performance further.

In summary, the A.O. Smith EQB series - including the EQB 200 G, EQB 155 G, and EQB 115 G - showcases superior technology, user-centric design, and energy-efficient operation. These gas water heaters are engineered to cater to a variety of household needs without sacrificing performance or convenience.