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Fcc Rules - Bosch 940 ESO Manual

940 eso - natural gas / 940 eso - liquefied petroleum (lp) gas
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6 | FCC rules

WARNING: Personal Injury from toxic chemicals.
▶ A water heater which will be used to supply potable
water shall not be connected to any heating system
or component(s) previously used with a nonpotable
water heating appliance.
WARNING: Installation in mobile homes.
▶ Installation in mobile homes shall conform to Title 24
CFR, part 3280 and/or CAN/CSA Z240 MH Series,
Mobile Homes.
FCC rules
FCC: This device complies with Part 15 of the FCC rules. Operation is
subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Fig. 1
The chart below shows the relationship between water temperature and
time until there is a risk of scalding. It can be used as the basis for
determining the safest water temperature for your application.
6 720 644 956 (2016/05)
120 °F (48 °C)
125 °F (51 °C)
130 °F (54 °C)
135 °F (57 °C)
140 °F (60 °C)
145 °F (62 °C)
150 °F (65 °C)
155 °F (68 °C)
Table 2 Approximate time-temperature relationship until there is a risk
of scalding
1) Source: Moritz, A.R. and Henriques, F.C., Jr. (1947). Studies of thermal injury.
II. The relative importance of time and surface temperature in the causation of
cutaneous burns, Am J of Pathol, 23, 695-720.
Time to severe scalding
longer than 5 minutes
1.5 to 2 minutes
approx. 30 seconds
approx. 10 seconds
less than 5 seconds
less than 3 seconds
approx. 1.5 seconds
approx. 1 second
940 ESO



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