Key to symbols and safety instructions
7
C 950/C 1050 (Pro TL 175 C/199 C) – 6 720 805 440 (2019/10)
DANGER:
Fatal accidents!
Carbon monoxide poisoning.
▶ Carefully plan where you install the heater. Correct
combustion air supply and flue pipe installation are very
important. If a gas appliance is not installed correctly, fatal
accidents can result such as carbon monoxide poisoning or
fire.
DANGER:
Carbon monoxide poisoning.
▶ Exhaust gas must be vented to outside using approved vent
material. See table 5, page 16 (In Canada use only
ULCS636 approved material). Vent and combustion air
connector piping must be sealed gas-tight to prevent flue
gas spillage, carbon monoxide emissions and risk of fire,
resulting in severe personal injury or death. Approved vent
terminations must be used when penetrating to the
outside.
DANGER:
Electric shock!
▶ Field wiring connections and electrical grounding must
comply with local codes, or in the absence of local codes,
with the latest edition of the National Electric Code, ANSI/
NFPA 70, or in Canada, all electrical wiring must comply
with the local codes and the Canadian Electrical Code, CSA
C22.1 Part 1.
DANGER:
Electric shock!
Shock hazard: line voltage is present.
▶ Before servicing the water heater, unplug power supply
cord from outlet. Failure to do so could result in severe
personal injury or death.
WARNING:
Damage to the appliance from over pressure.
▶ The heater must be disconnected from the gas supply
piping system during any pressure testing of that system at
test pressures equal to or more than 0.5 psi.
NOTICE:
▶ The appliance should be located in an area where leakage of
the heater or connections will not result in damage to the
area adjacent to the appliance or to lower floors of the
structure. When such locations cannot be avoided, it is
recommended that a suitable drain pan, adequately
drained, be installed under the appliance. The pan must not
restrict combustion air flow.
WARNING:
▶ The maximum inlet gas pressure must not exceed the value
specified by the manufacturer and the minimum value
listed is for the purpose of input adjustment.
NOTICE:
▶ If a water heater is installed in a closed water supply
system, such as one having a backflow preventer in the cold
water supply line, means shall be provided to control
thermal expansion. Contact the water supplier or local
plumbing inspector on how to control this situation.
WARNING:
Fire danger!
▶ Keep appliance area clear and free from combustible
materials, gasoline and other flammable vapors and
liquids.
NOTICE:
▶ Do not obstruct the flow of combustion and ventilation air.
NOTICE:
Appliance malfunction!
▶ If power is lost while appliance is operating. Turn off both
water and power for 15 seconds to reset device.
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