Technical Data; Boiler Model; Input (Oil); Input (Gas) - Viessmann VD2-320 Installation Instructions Manual

Vitorond 200, VD2 Series 320 to 1080 Installation

Technical Data

*1
Technical Data

Boiler Model

VD2- 320
*1 MBH 1255

Input (oil)

(kW) (368)
*1 MBH 1300

Input (gas)

(kW) (381)
Output MBH 1110
(kW) (325)
(oil/gas) *2
Combustion %
efficiency
(oil)
%
Combustion
efficiency
(gas)
Thermal %
efficiency
(oil)
Thermal %
efficiency
(gas)
Number of
cast iron
sections

Cast iron block dimensions

Length in. 57
(mm) (1450)
Width in.
40b
(mm)
(1030)
Height in. 45a
(mm)
(1150)

Cast iron section dimensions

Front in.
section (mm)
(with
combustion
chamber
door)
Intermediate in.
section (mm)
Rear section in.
(with flue (mm)
gas collar)
Note: Dimensions are rounded to the nearest a inch.
*1 Input ratings are based on ANSI Z21.13a.CSA 4.9a-2005 - Gas Fired Steam and Hot Water Boilers; CSA B140.7-
05 - Oil Burning Equipment - Steam and Hot Water Boilers; CSA B140.0-03 - Oil Burning Equipment - General
Requirements; UL 726 - 7th ed. - Oil-Fired Boiler Assemblies; and UL 795 - Commercial Industrial Gas Heating
Equipment.
*2 Tested to AHRI BTS-2000 "method to determine efficiency of commercial space heating boilers".
380 440 500
1490 1726
(436) (506)
1544 1787
(452) (523)
1319 1526
(387) (447)
88.1 88.0 88.0
85.5 85.4 85.4
88.0 88.0 88.0
85.4 85.4 85.4
9 10 11
62 67 72
(1580) (1710) (1840)
40b 40b 40b
(1030) (1030) (1030)
45a 45a 45a
(1150) (1150) (1150)
560 630
1961 2196 2471
(574) (643) (724)
2031 2275 2559
(595) (666) (750)
1732 1941 2183
(508) (569) (640)
87.9 87.8 87.8
85.3 85.2 85.1
88.0 88.0 87.9
85.3 85.3 85.3
12 13 14
77b 82b
(1970) (2100)
40b 40b
(1030) (1030)
45a 45a
(1150) (1150)
45a x 40b x 10c
(1150 x 1030 x 270)
45a x 36a x 5
(1150 x 920 x 125)
45a x 36a x 9
(1150 x 920 x 290)
700 780 860
2745 3059 3373
(804) (896) (988)
2843 3168 3493
(833) (928) (1023)
2425 2699 2976
(711) (791 (872)
87.7 87.6 87.5
85.1 85.0 84.9
87.9 87.9 87.9
85.3 85.2 85.2
15 16 17
88 93 98
(2230) (2360) (2490)
40b 40b 40b
(1030) (1030) (1030)
45a 45a 45a
(1150) (1150) (1150)
Appendix
950 1080
3727 4236
(1091 (1241)
3860 4387
(1130) (1285)
3288 3738
(963) (1095)
87.4 87.3
84.8 84.6
87.8 87.8
85.2 85.2
18 19
103 108
(2620) (2750)
40b 40b
(1030) (1030)
45a 45a
(1150) (1150)
39