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Set-up
Minimum Clearances to Combustibles
*1 Clearance of 24" (610 mm) required . for burner service.
Legend
A Boiler
B Burner
Recommended Minimum Clearances for Service
Legend
A Boiler
12
Vitorond 100, VR1 40 to 63, 161 to 245 Installation and Service
For typical installations, Viessmann recommends installing
the boiler with clearances under Recommended Minimum
Clearances for Service.
The following are clearances to combustibles:
Standard installation
Boiler model VR1
Rear
in.
(mm)
Sides
in.
(mm)
Flue
in.
(mm)
Floor
Alcove installation
Boiler model VR1
Rear
in.
(mm)
Sides
in.
(mm)
Flue
in.
(mm)
Top
in.
(mm)
Floor
*1 Minimum access for cleaning and service.
VR1
VR1
40, 161
50, 196
63, 245
6
6
(150)
(150)
(150)
0
0
0
0
9
9
(230)
(230)
(230)
Combustibles
VR1
VR1
40, 161
50, 196
63, 245
6
6
(150)
(150)
(150)
0
0
0
0
9
9
(230)
(230)
(230)
6
6
(150)
(150)
(150)
Combustibles
VR1
6
0
0
9
VR1
6
0
0
9
6
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