Service Indicator (Service Soon, 55); Post-Water Heater Installation Checklist - Rinnai ThermaCirc360 RUR199i Installation And Operation Manual

3.13 Service Indicator (Service Soon, 55)

This water heater includes a service indicator (Service Soon, SS). When
selected in the parameter settings, an SS code will display on the controller
indicating that it is time to flush and service the water heater.
•
Selection is installers preference based on water conditions or other
factors that may influence the suggested interval of service.
•
See the "Parameter Settings" section of this manual for selectable service
intervals.
•
If Service Soon (55) appears on the controller display, contact your local
service provider to flush and service the water heater (see 5.3 Flushing the
Heat Exchanger)
•
Service Soon (55) will appear again when the time reach to the interval by
setting from reset.

3.14 Post-Water Heater Installation Checklist

Complete the following checklist when water heater installation is complete. You should be able to answer YES to each
question. If you answer NO to any question, installation is not complete. Refer to the applicable section in the Rinnai
Tankless Water Heater Installation and Operation Manual for additional information.
For assistance, contact your local dealer or distributor, or call Rinnai Customer Care at 1-800-621-9419.
Reference the Rinnai Tankless Water Heater Installation and Operation Manual For
1 INSTALLATION LOCATION
Have you verified the unit, vent and air intakes meet the clearance requirements?
2
COMBUSTION AIR & VENTING
Have all corrosive compounds been removed from around the combustion air inlet of the tankless water
heater?
Have you followed the combustion air requirements to provide sufficient combustion air for the tankless
water heater?
Are the correct venting products for the installed model being utilized?
Have you installed the vent screen(s) for Schedule 40 PVC/CPVC vent applications?
Have you verified the vent system does not exceed maximum length?
3 PLUMBING
Have the water lines been purged of all debris and the filter cleaned?
Have you verified the hot and cold water lines to the tankless water heater are not interchanged?
Does the water supply to the heater have adequate pressure? Is it free of chemicals? Did you verify it does
not exceed total hardness that will damage the heat exchanger?
Have you verified that no toxic chemicals were introduced to the potable water?
Did you drain the tankless water heater if not intended to be used immediately?
Have water quality issues (if any) been addressed?
Have you performed the leak and pressure test for the tankless water heater and plumbing system?
4
ISOLATION VALVES
Are the isolation valves (included with the tankless water heater) installed?
Rinnai Tankless Water Heater Installation and Operation Manual
Additional Information on the Items Below
To reset Service Soon (55)
Press the ON/OFF button 5 times
55
NOTE: Service Soon (55) will display on the
controller again when the water heater
reaches the interval selected in the
parameter settings.
5 TIMES
YES NO
 
YES NO
 
 
 
 
 
YES NO
 
 
 
 
 
 
 
YES NO
 
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