Viessmann Vitocrossal CRU 800 Service Instructions For Contractors page 64

Specification
Specification
Boiler
Vitocrossal, type
Rated heating output range
P : T /T 80/60 °C
n F R
P : T /T 50/30 °C
cond F R
Rated heating input range Qn (Sized for up to mean
sea level (MSL) 1500 m)
Boiler product ID
Permiss. operating temperature
Permiss. flow temperature (safety temperature)
Heating surface
Max. permiss. operating pressure
Min. permiss. operating pressure
Test pressure
Boiler body dimensions
Total length
Length of the combustion chamber module
Length of the heat exchanger module
Width
Height
Total dimensions incl. casing
Length
Width
Height
Foundation dimensions
Length
Height
Weight
Combustion chamber module
Heat exchanger module
Burner
Total weight, dry
Water capacity
Connections
Boiler flow
Boiler return 1
*1
Boiler return 2
*1
Safety connection (male thread)
Drain (male thread)
Condensate drain (male thread)
Gas flow rate, natural gas E (G20) at 15 °C, 1.013 bar
At rated heating output
■
At partial load
■
*1 When connecting 2 heating circuits, connect the heating circuit with the higher temperature level to boiler return 2.
64
CRU 800
kW 125 to 750
kW 137 to 800
kW 127 to 762
°C
°C
2
m
bar
MPa
bar
MPa
bar
MPa
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
kg
kg
kg
kg
l
PN 6 DN
PN 6 DN
PN 6 DN
R
R
R
m 3 /h
m 3 /h
CRU 1000
156 to 938
171 to 1000
159 to 952
CE-0085CS0411
95
110
24.2
6
0.6
0.5
0.05
7.8
0.78
2241
1019
1272
960
1676
3187
1060
1676
2500
1200
535
615
120
1435
1150
100
100
100
2
1
¼
½
80.6
13.4
95
110
31.5
6
0.6
0.5
0.05
7.8
0.78
2441
1219
1272
960
1676
3389
1060
1676
2700
1200
585
615
120
1492
1180
100
100
100
2
1
¼
½
100.8
16.8