Technical Data Manual
Model Nos. and pricing: see Price List
Vitodens 100-W WB1B Series
Wall-Mounted, gas-fired condensing boiler
with optional on demand hot water CombiPLUS Kit
Heating input: 37 to 118 MBH 10.8 to 34.5 kW
VITODENS 100-W
Vitodens 100-W, WB1B |
CombiPLUS Kit |
(with pre-installed coaxial vent pipe adaptor) |
Gas-Fired Wall-Mounted Condensing Boiler with modulating stainless steel MatriX cylinder burner, stainless steel InoxRadial heat exchanger for room air independent operation (using a direct vent system) or room air dependent operation. Optional CombiPLUS Kit providing reliable on demand hot water without a DHW tank is available.
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5601 189 - 01 03/2014
General
Vitodens 100-W, WB1B Technical Data
Product Information
Equipped with a Viessmann stainless steel heat exchanger for lasting performance and reliability and a modulating MatriX cylinder gas burner, the Vitodens 100-W wallmounted condensing boiler is the perfect combination of value, quality and Viessmann technology.
The benefits at a glance:
Outstanding efficiency
of 94.0 % A.F.U.E. on all models.
Lasting performance
with Viessmann-made SA240 316Ti stainless steel Inox-Radial heat exchanger constructed to ASME Section IV and CSA B51.
Low-emission
with fully-modulating stainless steel MatriX cylinder burner. Factory calibration eliminates adjustments in the field.
<29 ppm NOx (at 3% O2)
<40 ppm CO (at 3% O2)
Control variety
Integrated boiler control interfaces with any level of external control - from room thermostat to outdoor reset and more.
Compact, lightweight wall mount design
and zero clearance to combustibles make it a great choice for limited-space installations.
Extremely quiet operation quieter than most refrigerators. < 50 dBA [at 3.3 ft. (1 meter)]
Easy installation, service and maintenance with all pipe connections located at the bottom
and serviceable components (including electrical connections) easily accessible from the front.
Multiple venting options
-Horizontal or vertical sealed combustion
coaxial, PP(s) vent system (Viessmann supplied).
-Horizontal, vertical or hybrid sealed combustion double-pipe CPVC vent system (field supplied).
-Horizontal or vertical single pipe CPVC vent system (field supplied).
-Horizontal or vertical single or double pipe PP(s), flexible vent system (Viessmann supplied).
Suitable for high altitude levels
of up to 10,000 ft. (3,000 m) without deration.
Built-in automatic frost protection
allows boiler to be shut off for an extended period of time while protecting it against freeze-up.
Reliable on demand hot water
with an optional CombiPLUS kit (no DHW tank required).
-Plate type heat exchanger
-Built-in diverting valve
-Built-in Grundfos 3-speed pump
-Built-in pressure bypass valve
-Built-in water hammer arrester
-Built-in flow sensor
-Built-in temperature sensor
-Supplied with a pressure relief valve rated at 150 psi
Note: Check the boiler rating plate on the Vitodens 100-W, models WB1B-26 or WB1B-35 to ensure it states compatibility with the CombiPLUS kit.
Limited lifetime warranty in residential applications.
Certified to CSA Low Lead Content Certification Program; including US Safe Drinking Water Act, NSF/ANSI 372 as well as other applicable US State requirements.
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5601 189 - 01
Vitodens 100-W, WB1B Technical Data
Product Information
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JI F H G |
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189 - 01 |
Note: Products may not look exactly as illustrated. |
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5601 |
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General
Boiler cross-section Legend
A Stainless steel MatriX cylinder burner
B Inox-Radial stainless steel heat exchanger C Burner blower
D Gas and hydronic connections E Boiler control
Standard Equipment:
Wall-mount boiler and installation fittings c/w 30 psi pressure relief valve, pressure gage, gas shut-off valve, two fill/drain valves, all mounting hardware, outdoor temperature sensor, and LP conversion kit.
CombiPLUS cross-section
Legend
F Plate-type heat exchanger
G Boiler / DHW pump
H Flow sensor
IPressure by-pass valve
JDiverting valve
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Technical Data |
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Vitodens 100-W, WB1B Technical Data |
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Specifications |
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Standard heating boiler |
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Boiler Model No. |
WB1B 26 |
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WB1B 35 |
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Natural gas and LPG |
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CSA input |
MBH |
37-91 |
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37-118 |
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CSA output/DOE 1 |
kW |
10.8-26.7 |
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10.8-34.6 |
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MBH |
34-83 |
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34-108 |
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heating capacity |
kW |
9.9-24.3 |
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9.9-31.6 |
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Net I=B=R rating 2 |
MBH |
72 |
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94 |
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Heat exchanger surface area |
ft.2 |
10.23 |
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10.23 |
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m2 |
0.95 |
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0.95 |
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Min. gas supply pressure |
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Natural gas |
“w.c. |
4 |
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4 |
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LPG |
“w.c. |
10 |
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10 |
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Max. gas supply pressure 3 |
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Natural gas and LPG |
“w.c. |
14 |
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14 |
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A.F.U.E. |
% |
94.0 |
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94.0 |
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Weight |
lbs |
78 |
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78 |
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kg |
34.1 |
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34.1 |
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Shipping weight |
lbs |
95 |
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95 |
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kg |
43 |
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43 |
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Boiler water content |
USG |
0.87 |
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0.87 |
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L |
3.3 |
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3.3 |
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Boiler max. flow rate 4 |
GPM |
6.2 |
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6.2 |
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L/hr. |
1400 |
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1400 |
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Max. operating pressure |
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(max. allowable working pressure) |
psig |
45 |
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45 |
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at 210º F (99º C) |
bar |
3 |
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3 |
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Boiler water temperature |
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- Adjustable high limit (AHL) range |
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- space heating (steady state) |
ºF (ºC) |
86 to 176 (30 to 80) |
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- DHW production (set-point) |
ºF (ºC) |
176 (80) |
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- Fixed high limit (FHL) |
ºF (ºC) |
210 (99) |
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Boiler connections |
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Boiler heating supply and return |
NPTM (male) “ |
c“ |
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c“ |
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Pressure relief valve |
NPTF (female) “ |
c“ |
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c“ |
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Drain valve |
(male thread) “ |
c“ |
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c“ |
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Dimensions |
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Overall depth |
inches |
14d |
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14d |
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mm |
360 |
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360 |
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Overall width |
inches |
15 c |
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15 c |
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mm |
400 |
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400 |
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Overall height |
inches |
28 b |
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28b |
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mm |
725 |
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725 |
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1Output based on 140º F (60º C), 120º F (49º C) system supply / return temperature.
2Net I=B=R rating based on piping and pick-up allowance of 1.15.
3If the gas supply pressure exceeds the maximum gas supply pressure value,
a separate gas pressure regulator must be installed upstream of the heating system.
4See “System Flow Rates” on pages 20 to 25 in this manual.
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5601 189 - 01
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Vitodens 100-W, WB1B Technical Data |
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Technical Data |
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Specifications (continued) |
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Standard heating boiler (continued) |
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Boiler Model No. |
WB1B 26 |
WB1B 35 |
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Gas supply connection |
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NPTF |
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(female)” |
c |
c |
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Flue gas 5 |
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Temperature at boiler |
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return temperature of |
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86º F (30º C) |
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- at rated full load |
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ºF (ºC) |
127 (53) |
131 (55) |
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- at rated partial load |
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ºF (ºC) |
90 (32) |
90 (32) |
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Temperature at boiler |
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return temperature of 140º F (60º C) |
ºF (ºC) |
167 (75) |
172 (78) |
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Flue gas value |
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Mass flow rate (of flue gas) |
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at rated full load |
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lbs/h |
79.2 |
100.1 |
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kg/h |
36.0 |
45.5 |
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at rated partial load |
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lbs/h |
33.0 |
33.0 |
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kg/h |
15.0 |
15.0 |
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Available draught |
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Pa |
100 |
100 |
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mbar |
1.0 |
1.0 |
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Flue gas temperature |
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sensor limit |
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ºF (ºC) |
230 (110) |
230 (110) |
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Average condensate |
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flow rate 6 |
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with natural gas |
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TS/TR =122 / 86º F |
(50 / 30º C) |
USG/day |
1.95-2.3 |
2.5-2.8 |
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L/day |
8-9 |
9.4-10.5 |
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Condensate |
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hose |
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connection 7 |
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nozzle |
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Ø in |
1 |
1 |
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Boiler flue gas |
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Ø |
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connection 8 |
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in (mm) |
2e (60) |
2e (60) |
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Combustion air supply |
coaxial |
outer Ø in (mm) |
4 (100) |
4 (100) |
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connection 8 |
single |
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2e (60) |
2e (60) |
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Noise level (at 1 meter) |
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at full load |
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(dB) |
47 |
49 |
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at partial load |
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(dB) |
40 |
42 |
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High altitude (factory set) 9 |
ft. (m) |
0-5,000 (0-1,500) |
0-5,000 (0-1,500) |
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5Measured flue gas temperature with a combustion air temperature of 68° F (20° C).
6Based on typical boiler cycles, including partial load conditions.
7Requires 1”(25) mm tubing. See Vitodens 100-W Installation Instructions for details.
8For detailed information refer to the Vitodens Venting System Installation Instructions.
9For 5,000 to 10,000 ft. (1,500 to 3,048 m) operation, a control programming change is required. Refer to the Installation and Service Instructions for details.
For information regarding other Viessmann System Technology componentry, please reference documentation of respective product.
5601 189 - 01
5
Technical Data |
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Vitodens 100-W, WB1B Technical Data |
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Specifications (continued) |
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CombiPLUS (Integrated with the Boiler) |
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Boiler Model No. |
WB1B 26 |
WB1B 35 |
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DHW supply temperature |
ºF (ºC) |
140 (60) |
140 (60) |
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Continuous draw rate 1 |
USG/h |
99 |
147 |
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with DCW temp. of 56º F (13º C) |
L/h |
374 |
556 |
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Continuous draw rate 2 |
USG/h |
156 |
216 |
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at t= 63º F (35K) |
L/h |
589 |
800 |
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Maximum allowable working |
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pressure (potable water) |
psi |
150 |
150 |
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Test pressure |
psi |
300 |
300 |
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Connections, DHW and DCW |
NPTM (male) “ |
b“ |
b“ |
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Connections to boiler supply/return |
NPTM (male) “ |
c“ |
c“ |
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and to heating supply/return |
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Dimensions |
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Overall depth |
inches |
9.8 |
9.8 |
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mm |
250 |
250 |
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Overall width |
inches |
17 |
17 |
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mm |
432 |
432 |
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Overall height |
inches |
8.7 |
8.7 |
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mm |
223 |
223 |
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Height with pipe connector |
inches |
13 |
13 |
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mm |
331 |
331 |
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Integrated pump flow rate |
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DHW production @ 23 ft. (9.8 m) |
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Head pressure |
USG/min. |
5.63 |
5.63 |
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L/h |
1278 |
1278 |
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Heating system operation |
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with system side additional |
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drop in pressure of max. 6 ft. of |
USG/min. |
6.2 |
6.2 |
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water (1.8 m) |
L/h |
1408 |
1408 |
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Weight |
lbs |
25 |
25 |
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kg |
11 |
11 |
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1Based on boiler max. output and boiler supply temperature of 176º F (80º C).
2DCW and DHW temperature rise would be proportional. Maximum DHW supply temperature is 140º F (60º C).
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5601 189 - 01
Vitodens 100-W, WB1B Technical Data |
Dimensions |
Boiler Dimensions Without Bottom Piping Connections
Front view |
Side view |
Connections Vitodens 100-W, WB1B 26, 35
Legend Connections
A Condensate drain, plastic hose Ø 0.87” (22 mm) B Boiler water supply, NPT ¾” (male thread)
C Gas connection, NPT ¾” (male thread) D Boiler water return, NPT ¾” (male thread)
E Combustion air opening for double pipe system F Combustion air opening for coaxial system
Note: If using the optional CombiPLUS see page 9.
Top view
Dimensions
aSee illustration for dimensions
b15¾” (400 mm)
c2f” (68 mm)
d28½” (725 mm)
e47/8” (123 mm)
f6d” (156 mm)
g14d” (360 mm)
h5” (125 mm)
j12” (305 mm)
k1a” (31 mm)
m77/8” (200 mm)
n3d” (80 mm)
5601 189 - 01
7
Dimensions |
Vitodens 100-W, WB1B Technical Data |
Boiler Dimensions With Piping Connections
Piping connections for Vitodens 100-W,
WB1B 26 and 35 (factory supplied)
Legend |
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BWR |
Boiler water return, ¾” |
BWS |
Boiler water supply, ¾” |
BD |
Boiler drain |
BF |
Boiler fill |
GC |
Gas connection, ¾” NPTM (male thread) |
PRV |
Pressure relief valve |
PG |
Pressure gage |
VC |
Venting connection |
CAI |
Combustion air inlet connection (optional) |
Note: If using the optional CombiPLUS see page 9.
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5601 189 - 01
Vitodens 100-W, WB1B Technical Data
Dimensions
CombiPLUS Dimensions and Piping Connections
CombiPLUS Connections
Front view
Top view
Legend
A Boiler water supply, NPTM ¾” (male thread) B Boiler water return, NPTM ¾” (male thread) C System water supply, NPTM ¾” (male thread) D System water return, NPTM ¾” (male thread) E DHW, NPTM ½” (male thread)
F DCW, NPTM ½” (male thread)
Side view
with 7” flex pipes
A B
C E F D
Front view
5601 189 - 01
9
Dimensions
Boiler Minimum Clearances
Recommended minimum boiler service clearances
Side
Top
Front
Back
Side
5
7”/178mm
Vitodens 100-W, WB1B Technical Data
Recommended minimum boiler and CombiPLUS Kit clearances to combustibles
Top |
Front |
Rear |
Left |
Right |
Vent |
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pipe*1 |
0 |
0AL, |
0 |
0 |
0 |
0 |
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CL |
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AL = Alcove |
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CL = Closet |
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*1 Refer to the Installation Instructions of the Vitodens Venting System for details.
Note: The Vitodens 100-W boiler has passed the zero inches vent clearance to combustibles testing requirements dictated by the boiler latest Harmonized Standard ANSI Z21.13. CSA 4.9.2007 and therefore is listed for zero clearance to combustibles when vented with a single-wall special venting system (AL-29-4C material) or UL/ULC-listed CPVC/PP(s) gas vent material. The zero inches vent clearance to combustibles for the Vitodens 100-W boiler supercedes the clearance to combustibles listing that appears on the special venting system label.
CombiPLUS installation options
Min. distance between the boiler and CombiPLUS with Viessmann supplied 7” flex piping connection fittings.
Note: The maximum distance between the boiler and the CombiPLUS
is restricted by the communication cable to 36” (915 mm).
10
Shown is the maximum distance between the boiler and CombiPLUS using field supplied fittings and pipes.
5601 189 - 01
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