A.O. Smith EQ 115 G, EQ 155 G, EQH 200 G manual Fault Possible cause

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Fault	Possible cause
Insufficient	Safety thermostat has
hot water, or	closed the gas supply
none at all	because the water
	temperature was too high
	Hot water storage empty
	Cause cannot be
	determined
Water	Condensation of (flue)
leakage	gasses
	Insufficient sealing of the
	water connections
	(thread)
	Leakage from other
	water- appliances or
	pipes near by
	Condensation leakage
	from the underside of the
	appliance (usually during
	the first warming-up
	period).

Corrective action

Set the temperature regulator at a lower temperature and reignite the pilot burner.

Reduce the consumption of hot water. Allow the appliance time to heat the water.

Turn the control button to the (•) position. Close the gas tap and inform your installer.

See “Condensation”.

Tighten the threaded connections.

Trace the cause.

Reduce your hot water use. Allow the appliance enough time to warm up water.

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Contents INSTALLATION- and User Instructions Page Contents Appliance DescriptionAOS Flue down draught safety device Technical safety equipmentGas control valve AOS Technical description DimensionsDimensions Device category II2H3+ Technical dataInstallation Installation instructionsWater connections AOS Flue system Gas connectionFilling the water heater CommissioningPutting into operation Putting out of operation Pilot adjustmentRemoving and replacing the inner door Setting the pilot Temperature regulationConverting to another type of gas Setting the nominal heat inputDescription Unit G20 G30 G31 Sacrificial anode MaintenanceInlet combination CleaningInspection of the internal waterside surfaces Spare partsGas smell Fault findingCondensation Important warning3 Use CommissioningPutting out of operation Maintenance Fault Possible cause Fault findingFault Possible cause Guarantee of the tank Guarantee in generalConditions for installation and use Range of guaranteeAny other dealer or stockist of the warrantors products Page Page Page Page 0307 985 R1

EQH 200 G, EQ 115 G, EQ 155 G specifications

A.O. Smith, a reputable name in the water heating industry, has designed premium water heaters that cater to various needs, including the EQ 155 G, EQ 115 G, and EQH 200 G models. These units emphasize efficiency, reliability, and advanced technology to provide users with optimal hot water solutions.

The A.O. Smith EQ 155 G is a gas water heater that boasts a 155-gallon capacity. Designed for high-demand households, it features an impressive recovery rate, allowing it to deliver hot water quickly. One of the standout features is its Energy Factor rating, which ensures energy efficiency and reduced operating costs. The EQ 155 G is also equipped with a durable enamel-coated tank that resists corrosion, ensuring longevity.

Similarly, the EQ 115 G model offers a slightly smaller capacity of 115 gallons, making it an excellent choice for medium-sized households. This gas-powered heater incorporates cutting-edge technology to maximize heat retention and minimize water heating costs. With features such as a patented Venturi mixing system, it provides uniform hot water distribution while minimizing energy wastage. Its slim design also allows for easy installation in tight spaces.

On the other hand, the EQH 200 G is a hybrid model that combines the benefits of both gas and heat pump technology. With a capacity of 200 gallons, it is designed for large families or commercial applications. The EQH 200 G utilizes advanced heat pump technology for energy-efficient heating, making it one of the most efficient options on the market. This model is particularly suitable for users looking to reduce their carbon footprint while enjoying consistent hot water supply.

All three models come equipped with user-friendly digital displays, allowing for easy temperature adjustments and monitoring. Moreover, these units feature robust safety mechanisms, including leak detection and temperature controls, to ensure user safety.

In summary, the A.O. Smith EQ 155 G, EQ 115 G, and EQH 200 G are innovative water heating solutions tailored to meet diverse requirements. With advanced technologies, high energy efficiency, and durability, these models exemplify A.O. Smith's commitment to quality and customer satisfaction in the water heating industry.