3. Mounting and installation
22
3.6
Chimney/flue connection
The Heat Pure is connected to an existing flue. The operational height of
the flue must be minimum 4.5 meter (draught 12 Pa), calculated from
the point at which the flue duct is joined to the Heat Pure.
Take local legislation and environmental factors into account.
Table 3: Chimney/flue diameter and firebox per model
Heat Pure
Firebox
(in mm)
Width/height
Firebox (cm
2
)
Minimum fresh
air supply
Flue
Ø (mm)
Type 65R/L
610 / 374
333 / 374
3527
2 x Ø 150mm
180
Type 66 3S
355 / 475 (2x)
620 / 475
4631
2 x Ø 150mm
200
Type 90R/L
870 / 460
390 / 460
5796
2 x Ø 150mm
250
Type 90 3S
870 / 460
390 / 460 (2x)
7590
2 x Ø 150mm
250
Type 80T
747 / 485 (2x)
3625 (2x)
2x Ø 150mm
200
Type 105T
995 / 440(2x)
4380(2x)
2 x Ø 150mm
250
If you want to use a flue diameter that differs from those shown in table
3, use the formula below to calculate a possibly smaller diameter.
sch
so
H
e
F
×
=
sch
F
F
sch
F
so
H
sch
e
flue section in cm
2
surface firebox in cm
2
height of flue in metre measured from the upper
side of the Heat Pure
influence factor between 0.2 and 0.6 determined
by the flue quality: 0.2 with a perfect flue, straight
above the Heat Pure; 0.6 with connection less
than 45°.
Permitted reduction:
- flue Ø180 reduction not allowed
- flue Ø200 reduction not allowed
- flue Ø250 maximum reduction 50 mm
Содержание Heat Pure Series 105T
Страница 40: ...5 Lighting the fireplace 37 Figure 2 end of the key Operating the door Operating the air regulation...
Страница 65: ...APPENDIX B Dimension diagrams B6 Heat Pure 90 3 sided Front view side view...
Страница 66: ...APPENDIX B Dimension diagrams B7 Heat Pure 80 tunnel Front view Side view...
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