Viessmann VITOPEND 100 WHEA - Page 36

A Ventilati on air
B Flue gas
1 Boiler flue connection (parallel) Ø 60/
100 mm to Ø 80/80 mm (order sepa-
rately)
Part no. 7194 859
2 Vertical roof outlet
(Ø 80 mm)
colour black Part no. 7338 658
colour terracotta Part no. 7183 683
3 Universal roof tile
colour black Part no. 7338 644
colour terracotta Part no. 7183 692
or
Flat roof collar Part no. 7338 645
4 Universal dummy covers Part no. 7185 140
5 Fixing clamp (Ø 125 mm) Part no. 7198 596
6 Bend (Ø 80 mm)
90° Part no. 7198 578
45° (2 pieces) Part no. 7198 579
7 Pipe (Ø 80 mm)
1 m long (tri m to size) Part no. 7198 580
0.5 m long (trim to size) Part no. 7198 581
8 Ventilation air inlet (external) (Ø
80 mm) incl. wall bezel s and ventilation
air damper
Part no. 7198 576
Condensate trap (Ø 80 mm) Part no. 7198 577
Drain ou tlet kit Part no. 7179 307
External wall terminal (type C
12
), parallel, system size Ø 80/80 mm
&
Route the connection piece with a gradient of at least 3º.
&
The external wall terminal and the horizontal roof outlet have
been tested and _-certified as a concentric balanced flue sys-
tem as one technical unit with the Vitopend.
&
Thermally insul ate the air supply pipe in unheated rooms.
&
From a pipe length of 2.5 m upwards, install a condensate trap
on site and drain off any condensate.
&
The total extended pipe length comprised of the flue pipe and
air supply line should not exceed 18 m.
Deductions from the max. extended p ipe length on account
of co mponents:
External wal l termi nal 1 m
Balanced flue bend 45° 0.5 m
Balanced flue bend 87° 1.0 m
Example:
Requirement: 2 x external wall terminal and 2 x 90° balanced
flue bend
Max. extended pipe length:
18 m – 2x1m– 2×1m=14m
5822 335-1 GB
36 VIESMANN VITOPEND 222
Flue gas/ventilation air system accessories for balanced flue operation... (cont.)