Dunkirk H2OST Stainless Steel Storage Tanks User Manual

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I. General Information

IMPORTANT INFORMATION – READ CAREFULLY

NOTE: Equipment shall be installed in accordance with those installation regulations required in the area where the

installation is to be made. These regulations shall be carefully followed in all cases. Authorities having jurisdiction shall

be consulted before installations are made. All wiring on water heaters shall be in accordance with the National Electrical

Code and/or local regulations.

Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury, or loss

of life. Read and understand the entire manual before attempting installation, start-up, operation, or service. Installation

and service must be performed only by an experienced, skilled installer or service agency.
This water heater contains very hot water under high pressure. Do not unscrew any pipe fittings or attempt to disconnect

any components of this water heater without positively assuring that the water is cool and has no pressure. Always wear

protective clothing and equipment when installing, starting up or servicing this water heater to prevent scalding injuries.

Do not rely on the pressure and temperature gauges to determine the temperature and pressure of the water heater.

This water heater contains components that become very hot when the boiler is operating. Do not touch any components

unless they are cool.
Failure to follow all instructions in the proper order can cause personal injury or death. Read all instructions, including all

those contained in component manufacturers’ manuals before installing, starting up, operating, maintaining, or servicing

the water heater.

To reduce the risk of excessive pressures and temperatures in this water heater, install temperature and pressure

protective equipment required by local codes but no less than a combination temperature relief valve certified by a

nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials,

as meeting the requirements for Relief Valves and Automatic Shutoff Devices for Hot Water Supply Systems, ANSI

Z21.22-latest edition. This valve must be marked with a maximum set pressure not to exceed the marked working

pressure of the water heater. Install the valve into an opening provide and marked for this purpose in the water heater,

and orient it or provide tubing so that any discharge from the valve will exit only within 6 inches above, or at any distance

below, the structural floor, and cannot contact any live electrical part. The discharge opening must not be blocked or

reduced in size under any circumstances.
Heat transfer medium must be water or other non-toxic fluid having a toxicity rating or class of 1, as listed in clinical

Toxicology of Commercial Products, latest edition. The pressure of the heat transfer medium must be limited to a

maximum of 60 psig by a listed safety or relief valve.

I. General Information & Safety Instructions ................................................................... 2
II. Pre-installation Considerations ................................................................................... 5
III. Electrical ................................................................................................................. 7
IV. Operation ............................................................................................................... 7
VI. Maintenance ............................................................................................................ 8

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