FCC rules
C 950/C 1050 (Pro TL 175 C/199 C) – 6 720 805 440 (2019/10)
8
WARNING:
Risk of scalding and property damage.
▶ Precautions must be taken prior to manually operating the
relief valve to avoid contact with hot water discharged from
the relief valve and to prevent water damage.
NOTICE:
Appliance damage!
▶ Label all wires prior to disconnection when servicing
controls. Wiring errors can result in improper and
dangerous operation. Verify proper operation after
servicing.
WARNING:
System damage!
▶ If a relief valve discharges periodically, this may be due to
thermal expansion in a closed water supply system.
Contact the water supplier or local plumbing inspector on
how to correct this situation. Do not plug the relief valve.
WARNING:
Property damage!
▶ If the water heater is used in a space heating application, all
piping and components connected to the water heater
must be suitable for use with potable water.
WARNING:
Personal Injury from toxic chemicals.
▶ Toxic chemicals, such as those used for boiler treatment,
shall not be introduced into the potable water used for
space heating.
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.
2FCC 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.
Temperature Time to severe scalding
1)
120 °F (48 °C) longer than 5 minutes
125 °F (51 °C) 1.5 to 2 minutes
130 °F (54 °C) approx. 30 seconds
135 °F (57 °C) approx. 10 seconds
140 °F (60 °C) less than 5 seconds
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