Harman 300i Wood Insert
7
For Installation In Masonry Fireplace Only
3-90-300101
Harman® • 300i Wood Insert Owner’s Manual_R13 • 2010 -___ • 04/15
Installation
fireplace/opening requirements; Masonry fireplace
only.
*HEIgHT MEASUREMENT DOES NOT ACCOUNT FOR FLOOR
protectIon MaterIal whIch May be necessary.
**FLOOR pROTECTION REQUIREMENTS CHANgE WITH
HEARTH HEIgHT bELOW 6" (152MM).
ADDITIONAL FLOOR pROTECTION IS REQUIRED.
18"- 457mm
25-1/2" - 648mm
FLOOR pROTECTION
dimension
Inches Millimeters
A
Minimum Width
28-1/2
724
b
Minimum Depth
18
457
C
Minimum Height*
24
610
D
Minimum Hearth Height**
6
152
E
Minimum Hearth Depth
12-1/2
318
18"- 457mm
25-1/2"- 648mm
A
B
C
D
E
8"
200mm
18" (457mm)
TOp vIEW
8"
200mm
Floor protection in front of the raised hearth must be a
minimum 3/8" (9.5mm) of 0.84k material. An R value of 0.45
or higher is also acceptable. The standards call for floor
protection to extend a minimum of 18" (457mm) in front of
the appliance door opening, and 8" (200mm) to each side.
NO ADDITIONAL FLOOR pROTECTION REQUIRED.
floor protection requirements;
raised hearth 6" (152mm) or higher-
The depth of the masonry hearth must measure a minimum
of 12-1/2" (318mm)
from the face of the fireplace opening
,
to support the insert body. Depending on the overall depth of
the hearth, additional floor protection may be necessary. If
the depth of the hearth measures 25-1/2" (648mm) or more,
from the fireplace facing, no additional floor protection is
needed. If the hearth depth is less than 25-1/2" (648mm),
floor protection must be installed.