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Hearthstone Quality Home Heating Products, Inc
The following formula can be used to determine the maximum heater rating (per the definition of
unconfined space) that is allowed in your space:
Example A: Consider a room with the following dimensions: L=16ft, W=14ft, H=8ft
Example B: Consider a room with the following dimensions: L1=16ft, W1=14ft, H1=8 which is
communicating directly with the space in a second room through openings not furnished with doors
having the following dimensions: L2=14ft, W2=12ft, H2=8
�������������� ������ ����.
f i r e - p a r t s . c o m
With data input into the equation:
( ( 16 ) ���� �� ( 14 ) ���� �� ( 8 ) ����) + ( ( 14 ) ���� �� ( 12 ) ���� �� ( 8 ) ����)
Will my space support an Eclipse Freestanding Vent Free Gas Fireplace?
Maximum BTU/Hr. my space will support (use formula above)
BTU/hr. of ECLIPSE Vent Free Gas Fireplace
If the answer to a) is greater than b) then your space will support the installation of the Eclipse; if a) is
less than b) then your space will not support an Eclipse Vent Free Gas Fireplace.
Bringing in Outside (or "Make-up") Air:
Many building code jurisdictions require that outside or "make-up" air be provided when installing a
fireplace of this type. This requirement can be satisfied by the proper installation of an 'outside air
kit' which is not provided. The final determination of the suitability of any particular kit must be
made by the installer.
If an outside air supply is desired it should be added to the room in which the Eclipse Freestanding
Vent Free Gas Fireplace is installed, not to the chase enclosing the fireplace.
If outside air is introduced into the chase, competing air pressures could compromise the operation
of the fireplace.
�������������� ������ ����.
⁄
( 16 ) ���� �� ( 14 ) ���� �� ( 8 ) ����
50
( ( ��1 ) ���� �� ( ��1 ) ���� �� ( ��1 ) ����) + ( ( ��2 ) ���� �� ( ��2 ) ���� �� ( ��2 ) ����)
⁄
=
50
( �� ) ���� �� ( �� ) ���� �� ( �� ) ����
=
50
�� 1000 = 35,840 ������ ����.
50
�� 1000 = 62,720 ������ ����.
a) _______________
b) _______________
ECLIPSE VF 8906
�� 1000
⁄
�� 1000
⁄
7
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