Chimney/Flue Connection - KAL-FIRE 45 Installation And User Manual

3.6

Chimney/flue connection

The Heat Pure is connected to an existing flue. The operational height of 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 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. the point at which the flue duct is joined to the Heat Pure.
Take local legislation and environmental factors into a Take local legislation and environmental factors into account.
Table 3: Chimney/flue diameter and firebox per model
Heat Pure
Width/height
Type 45
Type 60
Type 70
Type 71
Type 85
Type 100
Type 105
Type 110
Type 120
If you want to use a flue diameter that differs from those shown in table 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. 3, use the formula below to calculate a possibly smaller diameter.
F
F =
sch
Firebox
(in mm) Firebox (cm
415 / 454
545 / 470
305/665
655 / 580
795 / 360
570/ 926
995 / 440
1045 / 340
1145 / 340
F
×
e
sch
F
so
so
H
H sch
sch
e
3. Mounting and installation 3. Mounting and installation
Minimum fresh Minimum fresh
2
)
air supply
1884 1x Ø 150 mm 1x Ø 150 mm
2560 1x Ø 150 mm 1x Ø 150 mm
2028 2 x Ø 150 mm x Ø 150 mm
3800 2 x Ø 150 mm x Ø 150 mm
2860 2 x Ø 150mm 2 x Ø 150mm
5278 2 x Ø 150mm 2 x Ø 150mm
4380 2 x Ø 150mm 2 x Ø 150mm
3555 2 x Ø 150mm 2 x Ø 150mm
3895 2 x Ø 150mm 2 x Ø 150mm
2
flue section in cm
surface firebox in cm
height of flue in metre measured from the upper height of flue in metre measured from the upper
side of the Heat Pure
influence factor between 0.2 and 0.6 determined influence factor between 0.2 and 0.6 determined
by the flue quality: 0.2 with a perfect flue, straight by the flue quality: 0.2 with a perfect flue, straight
above the Heat Pure; 0.6 with connection less above the Heat Pure; 0.6 with connectio
than 45°.
18
Flue
Ø (mm)
150
180
180
250
200
250
250
250
250
2