BIS TRADITION CE, User Manual, Page: 22 / 40

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3.5 HOT AIR DUCTING INSTALLATION
Different hot air ducting systems can be installed with the BIS TRADITION CE :
- Gravity kit
- Forced air kit
3.5.1 Gravity Kit
Two kits are available:
1. Single hot air outlet including: (see Fig.14)
- 2 6" lengths 8" I.D.
- 1 hot air outlet kit (box, louver and frame)
- 2 adaptors
2. Double hot air outlet including: (See Fig.15)
- 2 telescopic lengths 8" I.D.
- 2 90º elbows 8" I.D.
- 2 hot air outlet kits (grill and frames)
- 2 adaptors
NOTE : If the fireplace is vented using the AC chimney and the single hot air outlet is
installed, the chimney must be offset towards the back using 2 – 30 deg. elbows back to back on
the fireplace.
NOTE: For the double hot air outlet it is mandatory to install both outlet pipes. Any other
installation can cause fire and void warranty.
See components list page 33.
The only fan that can be used with the gravity kit is the is the one sold with the fireplace.
Figure 14 Figure 15
The safety rules for hot air ducting gravity kit installations are the following:
Minimum height
*
68" (1727 mm)
Maximum length See figures 16 & 17
The height of the louver must be measured from the base of the BIS to the middle point of
the louver.