Harman®  •  Accentra 52i Owner’s Manual_R8  •  2013 -___  •  07/146 3-90-00574c
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Product Specic and Important Safety Information 
A. Appliance Certication E. BTU & Efciency Specications
B. Mobile Home Approved
This  appliance  is  approved  for  mobile  home  installations 
when not installed in a sleeping room and when an outside 
combustion air inlet is provided. 
The structural integrity of the mobile home oor, ceiling, and 
walls must be maintained. The appliance must be properly 
grounded to the frame of the mobile home and use only listed 
pellet vent, Class “PL” connector pipe. 
A  Harman®  Outside Air  Kit  must  be  installed  in  a  mobile 
home installation.
NOTE: This installation must conform with local codes. 
In the absence of local codes you must comply with the 
ASTM E1509-12, ULC-S628-93 & (UM) 84-HUD
C. Glass Specications
This  appliance  is  equipped  with  5mm  ceramic  glass. 
Replace glass only with 5mm ceramic glass. Please contact 
your dealer for replacement glass.
D. Electrical Rating
120 VAC, 60 Hz, Start 5.0 Amps, Run 4.0 Amps
NOTE: Some generator or battery back-up systems may 
not be compatible with the micro-processor electronics 
on this appliance. Please consult the power supply 
manufacturer for compatible systems.
NOTE:  Hearth  &  Home  Technologies,  manufacturer  of 
this appliance, reserves the right to alter its products, their 
specications and/or price without notice.
*BTU output will vary, depending on the brand of fuel you 
use  in  your  appliance.  Consult  your  Harman®  dealer  for 
best results.
WARNING! Risk of Fire! Hearth & Home Technologies 
disclaims any responsibility for, and the warranty and agency 
listing will be voided by the below actions.
DO NOT:
 • Installoroperatedamagedappliance
 • Modifyappliance
 • Install other than as instructed by Hearth & Home
Technologies
 • Operate the appliance without fully assembling all
components
 • Overre
 • Install any component not approved by Hearth &
Home Technologies
 • InstallpartsorcomponentsnotListedorapproved.
 • Disablesafetyswitches
Improper installation, adjustment, alteration, service or 
maintenance can cause injury or property damage. 
Forassistanceoradditionalinformation,consultaqualied
installer, service agency or your dealer.
Harman®  is  a  registered  trademark  of  Hearth  &  Home 
Technologies.
The Accentra 52i Pellet Insert by Harman® is exempt from 
Environmental Protection Agency certication under 40 CFR 
60.531 by denition [Wood Heater (A) “Air to Fuel Ratio”].
MODEL:
Accentra 52i Pellet Insert
LABORATORY:
OMNI Test Laboratories, Inc
REPORT NO.
135-S-31-2
TYPE:
Pellet Fueled Insert/Supplementary For 
Residential Use
STANDARD(s):
ASTM E1509-12, ULC-S628-93
Particulate 
Emissions Rating:
N/A
*BTU Output: 8,000 - 52,000 / hr
Heating Capacity: up to 2,300 sq. ft. depending on 
climate zone
Hopper Capacity: 64.5 lbs
Fuel: Wood Pellets or Shelled Corn
Shipping Weight: 475 lbs
THE STRUCTURAL INTEGRITY OF THE 
MANUFACTURED HOME FLOOR, WALL, AND CEILING/
ROOF MUST BE MAINTAINED.
DO NOT INSTALL IN SLEEPING ROOM.
CAUTION
WARNING