User Guide

RH180 Manual 27
Final Checklist
□ The water heater is not exposed to corrosive
compounds in the air.
□ The water heater locaon complies with the
clearances.
□ The water supply does not contain chemicals or
exceed total hardness that will damage the heat
exchanger.
□ Ensure the water heater and its water lines are
protected from freezing. Damage due to freezing
is not covered by the warranty.
□ Conrm that the electricity is supplied from a 120
VAC, 60 Hz power source, is in a properly
grounded circuit, and turned on.
□ The installaon must conform with local codes or,
in the absence of local codes, with the Naonal
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the
Natural Gas and Propane Installaon Code, CSA
B149.1.
□ Verify proper clearances around the vents and air
intakes.
□ Ensure that the Combuson Air Requirements are
followed that will provide sucient combuson
air for the appliance.
□ Ensure you have used the correct venng
products for the model installed and that you
have completely followed the venng
manufacturer’s installaon instrucons and these
installaon instrucons.
□ The water heater must be vented vercally to the
outside of the building or structure.
□ Purge the water line of all debris. Debris will
damage the water heater. Use a bucket or hose
if necessary.
□ Ensure the water heater is vented in accordance
with Naonal Fuel Gas Code, ANSI Z223.1/NFPA
54 - latest edion and the requirements of state
or local codes.
□ Ensure that hot and cold water lines are not
crossed to the unit and are leak free.
□ Clean the inlet water lter by rst powering OFF
the water heater. Remove the lower enclosure.
Drain and relieve the pressure from the system.
Remove and clean the lter of any debris that
may reduce water ow. Once clean, replace the
lter. Close the drain valve and pressurize the
system. Power the unit back ON and set desired
temperature. For more informaon on cleaning
the lter please reference page 39 secon C.
□ Ensure that the temperature/pressure relief valve
is installed.
□ Check for proper water pressure to the water
heater. Minimum water pressure is 20 psi. Rinnai
recommends 30-50 psi for maximum
performance.
□ A manual gas control valve has been placed in the
gas line to the water heater.
□ Check the gas lines and connecons for leaks.
□ Conrm that the gas inlet pressure is within
limits.
□ Conrm that the water heater is rated for the gas
type supplied.
□ An extension cord or an adapter plug has not
been used with the water heater.
□ Verify the system is funconing correctly by
connecng your manometer to the gas pressure
test port on the water heater. Operate all gas
appliances in the home or facility at high re. The
inlet gas pressure at the water heater must not
drop below that listed on the rang plate.
□ Ensure the lower enclosure is installed.
□ Explain to the customer the importance of not
blocking the vent terminaon or air intake.
□ Explain to the customer the operaon of the
water heater, safety guidelines, maintenance, and
warranty.
□ Inform the consumer of the importance of good
water quality and its eects on the warranty.
□ Leave the enre manual taped to the water
heater, or give the enre manual directly to the
consumer.