6
5773 596 v1.0
Vitocrossal 200, CM2-400, -500 and -620 Technical Data
Specifications
Technical Data
(continued)
Boiler Model
CM2
400
500
620
Boiler Water Content
USG
104
112
131
(L)
(395)
(425)
(495)
Heat exchanger surface
ft.
2
166.6
208.6
234
water cooled
(m
2)
(15.5)
(19.4)
(21.7)
Maximum Operating Temperature
°F (°C)
210 (99)
210 (99)
210 (99)
Maximum Adjustable High Limit
°F (°C)
95 (203)
95 (203)
95 (203)
Maximum Operating Pressure
psig
75
75
75
(bar)
(5)
(5)
(5)
Boiler Connections
Boiler supply and return (BS), (BR)
in.
4
4
4
(ANSI flanges)
(mm)
(100)
(100)
(100)
Safety Supply
in.
1
a
1
a
1
a
Boiler Drain
in.
1
b
1
b
1
b
Condensate Drain
in.
¾
¾
¾
Vent pipe
Internal Diameter
in.
10
10
10
(mm)
(252)
(252)
(252)
Flue Gas Values
temperature (at a return
temperature of 86° F (30° C)
at rated input
°F
113
113
113
(°C)
(45)
(45)
(45)
at partial load
°F
86
86
86
(°C)
(30)
(30)
(30)
Temperature (at a return
temperature of 140° F (60° C)
at rated input
°F
167
167
167
(°C)
(75)
(75)
(75)
Mass flow rate (of flue gas)
at rated input
lbs/h
1276
1587
1986
(kg/h)
(579)
(720)
(901)
at partial load
lbs/h
255
317
399
(kg/h)
(116)
(144)
(181)
Pressure
at boiler flue outlet
pa
70
70
70
at rated input
“w.c.
0.28
0.28
0.28
Standby loss
at maximun input and steady
state condition 180° F/80° F
(82° C/27° C) supply and
return water temperature
At boiler water temperature
158° F (70° C) [room
temperature 68° F (20° C)]
BTU/h (W)
%
1878 (550)
0.13
2520 (738)
0.14
3367 (986)
0.15
At boiler water temperature
158° F (70° C) [room
temperature 68° F (20° C)]
BTU/h (W)
%
4335 (1270)
0.3
5400 (1580)
0.3
6735 (1973)
0.3
