Rinnai RHFE-750ETRA 用户手册

 

Rinnai Corporation RHFE-750ETRA                                                           11 

  Care and Maintenance  

 

This appliance has two filters which are behind the 
louvers on either side of the heater.  The louvers are 
hinged to allow access to the filters. 

Dirty filters reduce the air flow and the appliance’s 

 

Repairs should be performed by a qualified service 
technician.  The appliance should be inspected 
annually by a qualified service agency.   

More frequent cleaning may be required due to 
excessive lint from carpeting, bedding material, etc.  It 
is imperative that control compartments, burners, and 
circulating air passage ways of the appliance be kept 
clean. 

When the appliance has cooled off, gain access by 
removing the front panel, combustion chamber glass 
panel, and ceramic logs.  Refer to the Parts List and 
the sections Cleaning Combustion Chamber Glass 
and Final Assembly for disassembly / assembly 
instructions.  Vacuum, use pressurized air, and then 
vacuum again to remove dust from the burners, 
compartments, and convection fan.   

Any filter or guard removed for servicing the 
appliance must be replaced prior to operating the 
appliance. 

The vent should be inspected annually for blockages 
or damage. 

Motors are permanently lubricated and do not need 
periodic lubrication.  Keep fan and motor free of dust 
and dirt by cleaning annually. 

Verify proper operation after servicing. 

Check that the pilot and burner flames are operating 
normally. 

If flames appear either very short or very long and 
streaky or are producing smoke or soot deposits then 
there may be a problem with the appliance or gas 
supply. 

The appliance should not be used if you suspect 
there is a problem.  Call a qualified service technician 
to inspect the appliance. 

The burners are designed to produce two rows of 
yellow flame but not smoke or soot. 

NORMAL 

ABNORMAL 

ability to produce heat.  The filters should be cleaned 
once a week during the heating season.  If the filters 
become blocked the blockage indicator will flash red.  
The filters should be cleaned whenever the blockage 
indicator flashes red.   If not cleaned the appliance 
may turn off and display fault code 14 (overheat) on 
the control panel display. 

To clean the filters, the appliance should be OFF and 
cool.  Open the louver by pushing inward and 
releasing.  Slide the filter upwards until the bottom tab 
clears the lower retaining slot.  Then slide the filter 
down and away to remove.  Clean the filter using a 
soft dry cloth or vacuum.