Rinnai RC80HPI Manuel D’Utilisation

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12 
Manual - Rinnai Condensing Water Heaters 
     WARNING 
Turn off the electrical power supply, the manual gas 
valve and the manual water control valve whenever 
servicing the unit. 
Repairs and maintenance should be performed by a 
qualified service technician.  The appliance should be 
inspected annually by a qualified service technician.  
Verify proper operation after servicing. 
Cleaning
 
It is imperative that control compartments, burners, 
and circulating air passageways of the appliance be 
kept clean. 
Clean as follows: 
1.  Turn off and disconnect electrical power.  Allow to 
cool. 
2.  Remove and clean the water inlet filter. 
3.  Remove the front panel by removing 4 screws.   
4.  Use pressurized air to remove dust from the main 
burner, heat exchanger, and fan blades.  Do not 
use a wet cloth or spray cleaners on the burner.  
Do not use volatile substances such as benzene 
and thinners.  They may ignite or fade the paint. 
5.  Use soft dry cloth to wipe cabinet.   
Vent System 
The vent system should be inspected at least annually 
for blockages or damage. 
Motors 
Motors are permanently lubricated and do not need 
periodic lubrication.  Keep fan and motor free of dust 
and dirt by cleaning annually. 
Temperature Controller 
Use a soft damp cloth to clean the temperature 
controller.  Do not use solvents. 
Lime / Scale Build-up 
If you receive Error Code “LC”, refer to the procedure, 
Flushing the Heat Exchanger.  Refer to the section on 
Water Quality to see if your water needs to be treated 
or conditioned.  (When checking maintenance code 
history, “00” is substituted for “LC”.) 
Visual Inspection of Flame 
The burner must flame evenly over the entire surface 
when operating correctly.  The flame must burn with a 
clear, blue, stable flame.  See the parts breakdown  of 
the burner for the location of the view ports.   
The flame pattern should be as shown in the figures 
below. 
Snow Accumulation 
Keep the area around flue terminal free of snow and 
ice.  The appliance will not function properly if the 
intake air or exhaust is impeded (blocked or partially 
blocked) by obstructions.   
  Maintenance