Technical data
Vitorond 200, VD2A Technical Data
5354 787 - 01
8
Technical Data
Technical Data (continued)
B
oil
e
r Mod
e
l
V
D
2
A
-
1
25
1
60
1
95
2
3
0
2
7
0
W
e
igh
t Front sect
i
on
(
w
i
t
h
com
b
ust
i
on c
h
am
b
er
d
oor
)
lbs
.
(kg)
3
52
(
160
)
3
52
(
160
)
3
52
(
160
)
3
52
(
160
)
3
52
(
160
)
Int
e
rm
edi
at
e
se
ct
i
on
lbs
.
(kg)
22
0
(
100
)
22
0
(
100
)
22
0
(
100
)
22
0
(
100
)
22
0
(
100
)
Re
ar
se
ct
i
on
(
with
f
lue
g
as collar
)
lbs
.
(kg)
242
(
110
)
242
(
110
)
242
(
110
)
242
(
110
)
242
(
110
)
C
ast iron heat exchan
g
er bloc
k
lbs
.
(kg)
1
122
(
510
)
13
5
3
(
615
)
1
5
84
(
720
)
1
7
60
(
800
)
199
1
(9
05
)
O
verall wei
g
ht
(
comp
l
ete w
i
t
h
j
ac
k
et,
wi
t
h
out
b
urner
)
lbs
.
(kg)
1
2
0
1
(
545
)
1441
(
655
)
16
75
(
760
)
18
74
(
850
)
2127
(9
65
)
B
oil
e
r wat
e
r
c
ont
e
nt
USG
(L
)
3
2 (122
)
41
(
154
)
4
9
(186
)
57 (217
)
6
6 (24
9)
M
ax. boiler temperatur
e
*
4
(
=
f
ixed hi
g
h limit
)
º
F
(
º
C)
25
0
(
121)
25
0
(
121
)
25
0
(
121
)
25
0
(
121
)
25
0
(
121
)
M
ax. allow. operatin
g
pressur
e
*5
p
s
ig
85
85
85
85
85
B
oil
e
r
c
onn
ec
tion
s
*6
Bo
il
er supp
l
y an
d
return
i
n
.
2
b
2
b
2
b
2
b
2
b
D
ra
i
n va
l
ve Bo
il
er supp
l
y an
d
return
i
n
.
c
c
c
c
c
H
eatin
g
sur
f
ace are
a
F
l
ue
g
as s
id
e
ft
2
(m
2
)
5
3
(
4.
9)
7
0
(
6.5
)
85
(
7.
9)
10
2
(9
.5
)
117
(
10.
9)
Wat
e
r
side
ft
2
(m
2
)
4
3
(
4.0
)
57
(
5.3
)
71
(
6.6
)
85
(
7.
9)
99
(9
.2
)
F
lue
g
as - Temperature (
g
ross
)
*7
º
F (º
C)
3
65 (185
)
3
65 (185
)
3
65 (185
)
3
65 (185
)
3
65 (185
)
- Flue
g
as mass
f
low rate
lb
s.
/h
(kg
/
h)
47
0
(
213
)
60
2
(
273
)
7
3
2
(
332
)
864
(
3
9
0
)
10
1
4
(
457
)
With minimum heatin
g
input and a 2-sta
g
e burner (operation of sta
g
e 1
)
-
T
emperature
º
F (º
C)
257 (125
)
257 (125
)
257 (125
)
257 (125
)
257 (125
)
- Flue
g
as mass
f
low rate at min.
i
nput rate
lb
s.
/h
(kg
/
h)
2
8
2
(
128
)
36
2
(
164
)
4
39
(
1
99)
51
6
(
234
)
604
(
274
)
S
tandby loss based on max. heatin
g
i
nput an
d
h
ot water supp
l
y an
d
return
t
emps. of 167 / 140° F (75 / 60°
C)
%
0
.4
0
0
.
38
0
.2
8
0
.2
5
0
.2
5
V
ent pipe collar
o
ut
e
r
7
*8
i
n. (mm
)
8 (200
)
8
(200
)
8
(200
)
8
(200
)
8
(200
)
F
lue
g
as resistance
“
w.c
.
0
.2
6
0
.
38
0
.4
0
0
.4
8
0
.
64
Flue
g
as volume o
f
combustion
c
hamber and
f
lue
g
as passa
g
eways
f
t
.
3
m
3
4.
909
(
0.13
9)
6
.
039
(
0.171
)
7.1
69
(
0,203
)
8
.2
99
(
0.235
)
9
.42
9
(
0.267
)
Required
f
lue dra
f
t
C
ate
g
ory
I
P
a
“
w.c
.
0 (0
)
0 (0
)
0 (0
)
0 (0
)
0 (0
)
P
os
i
t
i
ve pressure
C
ate
g
ory II
I
P
a
“
w.c
.
20 (0.08
)
20 (0.08
)
20 (0.08
)
20 (0.08
)
20 (0.08
)
*4
The maximum supply operating temperature (= max. adjustable high limit) lies approx. 27° F (15° C) below the
fixed high limit setting.
*5
May be less in some Canadian provinces.
*6
Connections for boiler connection kit (standard equipment).
*7
Combustion results are based on 13.0% CO
2
with fuel oil #2 and 10% CO
2
with natural gas, as well as a system
supply temperature of 167° F (75° C), and a system return temperature of 140° F (60° C). Measured flue gas
temperature with a combustion air temperature of 68° F (20° C) and a boiler water temperature of 176° F (80° C).
*8
Vent pipe collar diameter does not automatically indicate vent/chimney size. See page 23 for different venting
options (categories).
The combustion burner head material must be suitable for temperatures of at least 932° F (500° C).
For information regarding other Viessmann System Technology componentry, please reference documentation of
respective product.