Rinnai REU-V3237FFU Operation & Installation Manual page 21

M A I N T E N A N C E & S E R V I C E I N F O R M A T I O N
Always turn off the electrical power supply, the manual gas valve and the
manual water control valve whenever servicing the unit.
The Rinnai Water Heater should be checked by a Properly Trained
Technician once a year. A Properly Trained Technician should
perform any repairs that may be necessary.
The following items should be checked during each inspection:
1) The area around the Rinnai Water Heater should be free from combustible
materials such as cloth, vegetation and building materials. (see page 8).
2) Check burners for presence of foreign debris, insect, or bugs. These items
are not covered by the unit's warranty.
3) Remove and clean the inlet water filter.
4) Keep the appliance area clear and free from combustible materials, gasoline,
and other flammable vapors and liquids.
5) Do not obstruct flow of combustion and ventilation air.
6) Pressure relief valve must be manually operated once a year to check for
correct operation.
Water discharged from the relief valve could cause severe burns instantly,
scalds, and/or death.
The discharge from the pressure relief valve should be piped to the
ground or into a drain system to prevent exposure or possible burn
hazards to human or other plant or animal life.
In the case of any error code, refer to the error message section of this manual
or call your Rinnai Authorized Service provider or Rinnai at 800-621-9419.
Should overheating occur or the gas supply fail to shutoff, turn off the manual
gas control valve to the appliance.
DO NOT ATTEMPT TO SERVICE YOUR Rinnai Water Heater YOURSELF.
Call a Rinnai Authorized Service Provider or your installer.
Rinnai Corporation
21
V3237 Models