Minimum Installation Clearances; Flue System Specifications - Viessmann VITODENS 200 WB2A Installation & Servicing Instructions Manual

2 Technical Specifications
Connection Sizes
Gas
Central heating flow
Central heating return
Domestic water inlet
Domestic water outlet
Pressure relief valve outlet
Condensate connection

2.4 Minimum Installation Clearances

The following minimum clearances must be maintained for installing and servicing the appliance.
Right hand side
Left hand side
Top (above casing)
Front

2.5 Flue System Specifications

2.5.1 Concentric Horizontal Flue Systems
Standard horizontal flue kit: The appliance is supplied complete with a standard concentric
horizontal balanced flue terminal assembly suitable for flue lengths of up to 620 mm (24.4 in)
from the centre of the flue outlet which equates to wall thicknesses of up to 380 mm (15 in) for
rear flues or 370 mm (14.6 in) for side flues with minimum clearances.
Extension ducts can be used to increase the straight flue length up to 10 m (393 in) and include
two 87° elbows or three 45°elbows. An extra 87° elbow can be used but this reduces the
maximum permissible length by 1m (40 in). An extra 45° elbow can be used but this reduces the
maximum permissible length by 0.5 m (20 in).
Combi
Rc 1/2 (Female)
Rc 3/4 (Female)
Rc 3/4 (Female)
Rc 1/2 (Female)
Rc 1/2 (Female)
Rc 3/4 (Female)
19mm (Female) Flexible
10mm (3/8in)
10mm (3/8in)
350mm (14in)
450mm (18in)
6
System
Rc 1/2 (Female
Rc 3/4 (Female)
Rc 3/4 (Female)
_
_
Rc 3/4 (Female)
19mm (Female) Flexible
10mm (3/8in)
10mm (3/8in)
350mm (14in)
450mm (18in)