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Key to symbols and safety instructions
7
Greentherm T9800 SE 160/199 – 6 720 816 815 (2022/01)
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.
CAUTION:
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.
DANGER:
Risk of CO poisoning!
▶ Do not obstruct the flow of combustion and ventilation air.
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:
Relief valve discharges!
▶ 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.
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