Recommended Minimum Service Clearances - Viessmann VITOCROSSAL 200 Technical Data Manual

Specifications

Recommended Minimum Service Clearances

Legend
A Boiler
B Burner
*1 Can be zero clearance, if serviceability and burner
swing position is not required.
Clearance for vent pipe installation.
*2
Minimum clearances to combustibles
Boiler model CM2
Top
Sides
Flue
Front
Floor
8
Vitocrossal 200, CM2-400, -500 and -620 Technical Data
To enable convenient installation and maintenance,
observe the stated clearance dimensions. Maintain the
minimum clearances where space is tight.
In the delivered condition, the boiler door hinge bracket
is factory installed on the left side of the door. If required,
the boiler door hinge bracket can be reinstalled on the
right side of the door.
CM2
a in. (mm)
*1
b *2 in. (mm)
c in. (mm)
d in. (mm)
e in. (mm)
f in. (mm)
g in. (mm)
Mechanical room
Avoid air contamination by halogenated hydrocarbons
(e.g. as in sprays, paints, solvents and cleaning agents)
Avoid very dusty conditions
Avoid high levels of humidity
Protect against frost and ensure good ventilation,
otherwise the system may suffer faults and damage.
In rooms where air contamination from halogenated
hydrocarbons is to be expected, operate the boiler
only in balanced flue mode.
400
As per vent manufacturer's specifications
400
20 (500)
30 (760)
20 (500)
20 (500)
24 (600)
11 (280)
15b (395) 15b (395)
500
0
0
0
combustible
500 620
20 (500) 20 (500)
30 (760) 30 (760)
20 (500) 20 (500)
20 (500) 20 (500)
24 (600) 24 (600)
11 (280) 11 (280)
15b (395)
620