16
3.5
HOT AIR DUCTING INSTALLATION
Different hot air ducting systems can be installed with the BIS ULTIMA :
- 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
See components list page 33.
The only fan that can be used with the gravity kit is the UZY3.
The gravity kit allows you to block the upper louver of the fireplace. To do so, follow the
steps below:
a)
Remove the upper louver from the fireplace.
b)
Install the black panel (BUCF) making sure that the insulation strip is installed inside.
c)
The fireplace façade can be covered with non-combustible material (fig. 18).
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.
Summary of Contents for BIS ULTIMA
Page 5: ...2 2 CERTIFICATION LABEL...
Page 17: ...14 INSULATED CHASE CONSTRUCTION Figure 11...
Page 26: ...23 AC CHIMNEY INSTALLATION AIR COOLED GALVALUME CHIMNEY Figure 28...
Page 29: ...26 Table 4...
Page 30: ...27 Figure 31 Figure 32...
