Viessmann Vitocrossal 200 CM2 400 Service Instructions Manual page 65

Vitocrossal 200, CM2 400, 500, 620 and 620 TX Service
Technical Data
Boiler Model
Boiler Water Content
Heat exchanger surface
water cooled
Maximum Operating Temperature
Maximum Adjustable High Limit
Maximum Operating Pressure
Boiler Connections
Boiler supply and return (BS), (BR)
(ANSI flanges)
Safety Supply
Boiler Drain
Condensate Drain
Vent pipe
Internal Diameter
Flue Gas Values
temperature (at a return
temperature of 86° F (30° C)
at rated input
at partial load
Temperature (at a return
temperature of 140° F (60° C)
at rated input
Mass flow rate (of flue gas)
at rated input
at partial load
Pressure
at boiler flue outlet
at rated input
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)]
(continued)
CM2
USG
(L)
ft. 2
(m 2)
°F (°C)
°F (°C)
psig
(bar)
in.
(mm)
in.
in.
in.
in.
(mm)
°F
(°C)
°F
(°C)
°F
(°C)
lbs/h
(kg/h)
lbs/h
(kg/h)
pa
"w.c.
BTU/h (W)
%
BTU/h (W)
%
400
104
(395)
166.6 208.6
(15.5) (19.4)
210 (99) 210 (99)
95 (203) 95 (203)
75
(5)
4
(100)
1a
1 b
¾
10
(252)
113
(45)
86
(30)
167
(75)
1276
(579)
255
(116)
70
0.28
1878 (550) 2520 (738)
0.13
4335 (1270) 5400 (1580)
0.3
Specifications
500 620
112 131
(425) (495)
234
(21.7)
210 (99)
95 (203)
75 75
(5) (5)
4 4
(100) (100)
1a 1a
1 b 1 b
¾ ¾
10 10
(252) (252)
113 113
(45) (45)
86 86
(30) (30)
167 167
(75) (75)
1587 1986
(720) (901)
317 399
(144) (181)
70 70
0.28 0.28
3367 (986)
0.14 0.15
6735 (1973)
0.3 0.3
620 TX
131
(495)
234
(21.7)
210 (99)
95 (203)
75
(5)
4
(100)
1a
1 b
¾
10
(252)
113
(45)
86
(30)
167
(75)
1767
(802)
399
(181)
70
0.28
3367 (986)
0.15
6735 (1973)
0.3
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