Bosch SST150-40 Specifications download pdf (Page 5)

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Indirect Fired Water Heaters Installation and Operating Manual

Installation & Operating Manual

DANGER: HOT WATER CAN SCALD!

 Water heated to temperatures for clothes

washing, dish washing, and other sanitizing

needs can scald and cause permanent

injury.

 Children, elderly, and inﬁ rm or physically

handicapped persons are more likely to be

permanently injured by hot water. Never

leave them unattended in a bathtub or

shower. Never allow small children to use a

hot water tap or draw their own bath.

 If anyone using hot water in the building

ﬁ ts the above description, or if state

laws or local codes require certain water

temperatures at hot water taps, you must

take special precautions:

– Use lowest possible temperature setting.

– Install some type of tempering device,

such as an automatic mixing valve, at hot

water tap or water heater. Automatic

mixing valve must be selected and

installed according to valve

manufacturer’s recommendations and

instructions.

 Water passing out of drain valves may be

extremely hot. To avoid injury:

– Make sure all connections are tight.

– Direct water ﬂ ow away from any person

 Protection Must Be Taken Against Excessive

Temperature and Pressure! Installation of a

Temperature & Pressure (T&P) relief valve is

required.

DANGER:

 Failure to adhere to the guidelines on this

page can result in severe personal injury,

death, or substantial property damage.

When Servicing the Indirect Water Heater -

To avoid severe burns, allow the appliance to cool

before performing maintenance.

Indirect water heater operation –

Should overheating occur or gas supply fail to shut off, do

not turn off or disconnect electrical supply to circulator.

Instead, shut off the gas supply at a location external to

the appliance.

Do not use this appliance if any part has been under

water. The possible damage to a ﬂ ooded appliance can be

extensive and present numerous safety hazards. Any

appliance that has been under water must be replaced.

The following chart details the relationship of water

temperature and time with regard to scald injury and may

be used as a guide in determining the safest water

temperature for your applications.

APPROXIMATE TIME / TEMPERATURE

RELATIONSHIPS IN SCALDS

120° F More than 5 minutes

125° F 1 ½ to 2 minutes

130° F About 30 seconds

135° F About 10 seconds

140° F Less than 5 seconds

145° F Less than 3 seconds

150° F About 1 ½ seconds

155° F About 1 second

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Bosch SST150-40 Specifications Page 5

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