Focus Heterofocus 1400, Design Installation & Operating Manual, Page: 6 / 24

Page 6 of 24
d) Structural requirement:
CAUTION: THE SUPPORT OF THIS UNIT (FLOOR) MUST BE SIZED IN
CONGRUENCE WITH THE FIREPLACE STATIC AND DYNAMIC CHARGES
(WEIGHT). THE SIZE CALCULATION FOR THE SUPPORT IS NOT THE
RESPONSIBILITY OF FOCUS OR ITS AFFILIATES. IT IS YOUR
RESPONSIBILITY TO CONSULT WITH AN ENGINEER OR ARCHITECT FOR
YOUR PROJECT.
e) Connectors:
Connectors are all non-insulated chimney parts including focus flue and the
chimney manufacturer single wall slip adaptor. To avoid heat traps the chimney
connector shall not pass through an attic or roof space, closet or similar
concealed space, or a floor, or ceiling.
Passage through an attic, roof frame floor, or ceiling must be done using an
insulated chimney respecting all chimney manufacturer clearances. For Canada
the installation should conform to CAN/CSA-B365.
CAUTION: PASSAGE THROUGH A WALL OR PARTITION OF
COMBUSTIBLE
CONSTRUCTION IS NOT AN APPROPRIATE
INSTALLATION FOR THIS FOCUS FIREPLACE.
Refractory compound must be used to seal each connection. Connectors
should always be in good condition and kept clean. Minimum thickness : 1/32
"
(1 mm). Please refer to installation details in this manual.
f) Fresh air intake:
To balance room air pressure with outdoors air pressure, we recommends a
fresh air intake in the room. Fresh air intake shall only take combustion air from
outdoors and not terminate in attic spaces. We recommend Ø6
ʼʼ deflect-O
ID0625 UL listed 181 class 1 insulated air duct. Minimum fresh air intake size: