Dimensions - Viessmann VITOCROSSAL 300 Installation Instructions Manual
Vitocrossal 300
cu3a series 26 to 57
floor mounted, gas-fired condensing boiler with matrix gas burner and lambda pro control
for operation with natural gas and liquid propane gas
heating input 19 to 199 mbh
5.6 to 58 kw
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Also See for VITOCROSSAL 300:
- Service instructions manual (164 pages) ,
- Service instructions for contractors (148 pages) ,
- Service manual (108 pages)
Table of Contents
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Boiler Connections
Connections
(continued)
Legend
A Overall boiler height (boiler control open)
B Overall boiler height (boiler control closed)
C Safety header connection
D Boiler supply
E Gas connection
F Boiler return
G Boiler drain
H Vent connection
I Condensate drain connection
J Combustion air connection
a
in. (mm)
b
in. (mm)
c
in. (mm)
d
in. (mm)
Note: All height dimensions of the boiler have a tolerance of +.6 in. (+15 mm) due to the factory installed adjustable feet.
12
Model 26 and 35
27 (684)
17 (430)
23b (595)
¾
4
(120)
Vitocrossal 300 CU3A 26 to 57 Installation
Dimensions
a
in. (mm)
b
in. (mm)
c
in. (mm)
d
in. (mm)
Model 45 and 57
31b (801)
21b (545)
28 (712)
5b (140)
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