61
5584 109 - 10
Vitocrossal 200 CM2 186 to 311 Service
Specifications
Technical Data
(continued)
Boiler Model
CM2
186
246
311
Boiler Water Content
USG
81
77
74
(L)
(306)
(292)
(279)
Heat exchanger surface
ft.
2
72.9
98.8
121.5
water cooled
(m
2)
(6.8)
(9.2)
(11.3)
Maximum Operating Temperature
°F (°C)
210 (99)
210 (99)
210 (99)
Maximum Adjustable High Limit
°F (°C)
203 (95)
203 (95)
203 (95)
Maximum Operating Pressure
psig
75
75
75
(kpa)
(517)
(517)
(517)
Boiler Connections
Boiler supply and return (BS), (BR)
in.
2
b
2
b
2
b
(ANSI flanges)
(mm)
(65)
(65)
(65)
Safety Supply
in.
1
a
1
a
1
a
(mm)
(32)
(32)
(32)
Boiler Drain
in.
1
b
1
b
1
b
Condensate Drain
in.
c
c
c
Vent pipe
Internal Diameter
in.
8
8
8
(mm)
(201)
(201)
(201)
Combustion air
Internal Diameter
Flue Gas Values
temperature (at a return
temperature of 86°F (30°C)
in.
(mm)
6
(150)
6
(150)
6
(150)
at rated input
°F
136
132
130
(°C)
(58)
(55)
(54)
at partial load
°F
95
95
95
(°C)
(35)
(35)
(35)
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
593
785
994
(kg/h)
(269)
(356)
(451)
at partial load
lbs/h
198
262
331
(kg/h)
(90)
(119)
(150)
Max. condensate flow rate
for NG and LPG
USG/h
(L/h)
6.6
(25)
8.5
(32)
10.8
(41)
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
BTU/h (W)
%
862 (252)
0.13
1053 (308)
0.12
1334 (391)
0.12
At boiler water temperature
158°F (70°C) [room temperature
68°F (20°C)]
BTU/h (W)
%
3315 (971)
0.5
3512 (1029)
0.4
4448 (1303)
0.4
