Viessmann Vitorond 200 VD2 Series Technical Data Manual page 7

Vitorond 200, VD2 Series 320 to 1080 Technical Data
Technical Data
(continued)
Technical Data
Boiler Model VD2-
Boiler connections
Boiler supply in.
and return
Safety supply *5 in.
Safety return *5 in.
Drain valve in.
Heating surface area
Flue gas side ft 2
(m 2 )
Water side ft 2
(m 2 )
*6
Flue gas
- Temperature ºF
(gross) *7 (ºC)
- Flue gas mass lbs./h
flow rate (kg/h)
With minimum heating input and a 2-stage burner (operation of stage 1)
- Temperature ºF
(ºC)
- Flue gas mass lbs./h
flow rate at (kg/h)
min. input rate
Boiler standby %
loss based on
max. heating
input and hot
water supply and
return temps. of
167 / 140°F
(75 / 60 °C)
Vent pipe collar in.
(mm)
outer 7 *8
"w.c.
Flue gas
resistance (mbar)
- at upper end
of rated input
Required flue Pa
draft Category I "w.c.
Positive pressure Pa
"w.c.
Category III
*5 Connections for boiler connection kit (standard equipment).
*6 Combustion results are based on 13.0% CO
supply temperature of 167°F (75°C), and a system return temperature of 140°F (60°C).
*7 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 15 for details.
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.
320 380 440
4 4 4
2b 2b 2b
2b 2b 2b
c c c
170 196 212
(15.8) (18.2) (19.7)
98 109
120b
(9.1) (10.1)
(11.2)
374 374 374
(190) (190) (190)
1301 1598 1854
(590) (725) (841)
266 266 266
(130) (130) (130)
710 842 974
(322) (382) (442)
0.40 0.38 0.35
12 12 12
(300) (300) (300)
0.20 0.35 0.51
(0.5) (0.9) 1.3)
0 0 0
(0) (0) (0)
20 20 20
(0.08) (0.08) (0.08)
with fuel oil #2 and 10% CO
2
500 560 630
4 4 4
2b 2b 2b
2b 2b 2b
c c c
232 254 274
(21.5) (23.6) (25.5)
131 142 153
(12.2) (13.2) (14.2)
374 374 374
(190) (190) (190)
2081 2337 2601
(944) (1060) (1180)
266 266 266
(130) (130) (130)
1109 1241 1398
(503) (563) (634)
0.32 0.31 0.29
12 12 12
(300) (300) (300)
0.67 0.75 0.83
(1.7) (1.9) (2.1)
0 0 0
(0) (0) (0)
20 20 20
(0.08) (0.08) (0.08)
2
Product Information
700 780 860
4 4 4
2b 2b 2b
2b 2b 2b
c c c
296 317 339
(27.5) (29.5) (31.5)
165 175 18.7
(15.3) (16.3) (17.4)
374 374 374
(190) (190) (190)
2897 3196 3527
(1314) (1450) (1600)
266 266 266
(130) (130) (130)
1552 1730 1907
(704) (785) (865)
0.28 0.27 0.26
12 12 12
(300) (300) (300)
1.10 1.54 1.93
(2.8) (3.9) (4.9)
0 0 0
(0) (0) (0)
20 20 20
(0.08) (0.08) (0.08)
with natural gas, as well as a system
950 1080
4 4
2b 2b
2b 2b
c c
358 380
(33.3) (35.3)
198 209
(18.4) (19.4)
383 383
(195) (195)
3825 4277
(1735) (1940)
275 275
(135) (135)
2110 2394
(957) (1086)
0.25 0.24
12 12
(300) (300)
1.77 2.28
(4.5) (5.8)
0 0
(0) (0)
20 20
(0.08) (0.08)
7