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Important Safety Information
To prevent damage to property and injury to the user, the icons below warn of
varying levels of risk.
Caution
Warning Ignoring this indication will cause an immediate danger of death or
serious injury.
Ignoring this indication may result in death or serious injury.
Prohibited.
1. Safety Tips for Service
•Wear the appropriate clothing and protective gear:
In order to prevent injury or accident, wear a protective helmet, safety boots and a
lifting belt whenever necessary.
Caution
•Use only the appropriate tools and parts:
Warning Only use replacement parts manufactured by Noritz for this model as listed in the
Installation Manual Parts List for service on this unit. Use appropriate tools.
•Modification of the unit is prohibited:
Do not attempt to modify or alter the unit. This will cause a re hazard and a risk of
electrical shock.
•When servicing:
Warning Disconnect the power supply during maintenance and repairs to reduce the risk
of electric shock. If it is necessary to have the electricity connected during repairs,
use extreme caution not to touch parts that may cause a shock.
•Do not short circuit any safety device on this appliance:
If a safety device is not functioning properly, replace the part. Do not under any cir-
cumstances short circuit the part.
•Exhaust and gas leakage caution:
Warning Always check for leaks when installing or modifying the exhaust vent or gas piping.
2. Post-Service Checks
•Check parts for leaks:
Caution Confirm that there are no gas, water, or exhaust leaks regardless of whether the
service performed could have caused them.
If the unit is installed indoors, check that the flue collar and vent pipe are installed
correctly and that they are in good condition. Confirm that there are no gas, water
or exhaust leaks regardless of whether the service performed could have caused
them.
•Check for combustibles:
Caution After service or maintenance is completed, check that there are no combustibles in
the vicinity of the unit.
•Check insulation resistance:
Warning After service or maintenance is completed, measure the resistance between the
electrical wires and ground. If it is less than 10MΩ, there is a risk of electrical
shock.
•Properly reconnect the power supply:
Warning Confirm that the power supply has been reconnected properly after service or
maintenance is completed. Also confirm that there is no dust or other obstacles
that might cause an electric shock or a fire hazard.
