Technical Data Manual - Radiant Heatradiantheatproducts.com/pdfs/Vitodens-100 Manual.pdf ·...

VITODENS 100-WNatural gas-fired wall-mounted condensing boiler

29 to 100 MBH/8.5 to 29.3 kW

Vitodens 100-W

WB1A Series

Natural Gas-Fired Wall-Mounted Condensing Boilerwith modulating stainless steel natural gas cylinderburner and stainless steel Inox-Radial heat exchangerfor room air independent operation(using a direct vent system)and roomair dependent operation

¨ For Natural Gas only!

Technical Data ManualModel Nos. and pricing: see Price List

Vitodens 100-W, WB1A(with preinstalled vent pipe adaptor)

5347 963 v1.0 04/2007

Product Information

2

VITODENS 100-W

The Vitodens 100-W wall-mountedcondensing boiler is the perfest combinationof value, quality and Viessmann technology.In terms of energy usage, for example, theVitodens 100-W is uncompromising: Thanksto the condensing technology of the boilerwith modulating natural gas cylinder burnerand the stainless steel Inox-Radial heatexchanger surface, the Vitodens 100 reachesan A.F.U.E. of 95.1%.

The benefits at a glance:

HOutstanding efficiency of up to 98% withfull modulation and 95.1% A.F.U.E. on allmodels.

HLasting performancewith Viessmann-made SA240 316Tistainless steel Inox-Radial heat exchangerconstructed to ASME Section IV and CSAB51.

HLow-emission combustionwith fully-modulating natural gas stainlesssteel cylinder burner. Factory calibrationeliminates adjustments in the field.

HControl varietyIntegrated boiler control interfaces withany level of third party control - fromroom thermostat to outdoor reset andmore.

HCompact, lightweight designand zero clearance to combustibles makeit a great choice for limited-spaceinstallations.

HExtremely quiet operation;quieter than most refrigerators.

HEasy installation, service and maintenancewith all pipe connections located at thebottom and serviceable components easilyaccessible from the front.

HMultiple venting options- Horizontal or vertical sealed combustioncoaxial vent system (factory supplied).

- Horizontal, vertical or hybrid sealedcombustion double-pipe vent system(field supplied).

- Horizontal or vertical single-wall ventsystem (field supplied).

HSuitable for altitude levelsof up to 5000 ft. / 1500 m withoutderation.

HBuilt-in automatic frost protectionallows boiler to be shut off for anextended period of time while protecting itagainst freeze-up.

HLimited lifetime warrantyin residential applications.

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Product InformationCross-Section

3

Product may not look exactly as illustrated.

Legend

Stainless stell cylinder burnerInox-Radial stainless steel heatexchangerBurner blowerNatural gas and hydronic connectionsBoiler control

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Vitodens 100-W

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Technical DataStandard heating boiler

Boiler Model Model No. WB1A 8-24 WB1A 8-30

Natural gasCSA input

CSA output/DOE*1

heating capacity

MBHkWMBHkW

29-808.5-23.4

26-727.6-21

29-1008.5-29.3

26-907.6-26.4

Net I=B=R rating*2 MBH 63 78

Heat exchanger surface area ft.2

m29.260.86

9.260.86

Min. gas supply pressureNatural gas “w.c. 4 4

Max. gas supply pressure*3

Natural gas “w.c. 14 14

A.F.U.E. % 95.1 95.1

Weight lbskg

9543

9543

Boiler water content USGltr

0.823.1

0.823.1

Boiler max. flow rate*4 GPMltr/h

6.21400

6.21400

Max. operating pressureat 210 ºF/99 ºC

psigbar

453

453

Boiler water temperature– Adjustable high limit (AHL)range

space heating(steady state)DHW production (set

point)

– Fixed high limit (FHL)

ºF/ºCºF/ºC

ºF/ºC

68 to 176/20 to 80172/78

210/99

Boiler connectionsBoiler heating supply and return NPTM (male) “Pressure relief valve NPTF (female) “Drain valve (male thread)

¾¾¾

¾¾¾

*1 Output based on 140ºF / 60ºC, 120 ºF / 49ºC system supply/return temperature.*2 Net I=B=R rating based on piping and pick-up allowance of 1.15.*3 If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of theheating system.

*4See “Typical System Flow Rates” on page 10 in this manual.

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Vitodens 100-W

5

Standard heating boiler

Boiler Model Model No. WB1A 8-24 WB1A 8-30

DimensionsOverall depth

Overall width

Overall height

inchesmminchesmminchesmm

13.434015.740027.6700

13.434015.740027.6700

Gas supply connection NPTF “ ¾ ¾

Flue gas*5

Temperature (at boiler returntemperature of 86 ºF/30 ºC)– at rated full load– at rated partial load

Temperature (at boiler returntemperature of 140 ºF/60 ºC)

ºF/ºCºF/ºC

ºF/ºC

127/5390/32

167/75

131/5590/32

172/78

Flue gas valueMass flow rate (of flue gas)

– at rated full load

– at rated partial load

Available draught

lbs/hkg/hlbs/hkg/h

Pambar

79.236.033.015.0

1001.0

100.145.533.015.0

1001.0

Average condensateflow rate*6

with natural gas– TS/TR =122/86ºF/50/30 ºC USG/day

ltr/day1.8-2.1

7-82.1-2.4

8-9

Condensate connection*7 hosenozzle∅ in 1 1

Boiler flue gas connection*8 ∅in/mm 23/8/60 23/8/60

Combustion air supplyconnection*8

outer∅ in/mm 4/100 4/100

*5 Measured flue gas temperature with a combustion air temperature of 68 °F/20 °C.*6 Based on typical boiler cycles, including partial load conditions.*7 Requires 1”/25 mm tubing. See Vitodens 100-W Installation Instructions for details.*8 For an overview of venting options refer to the appendix starting on page 20 For detailed information refer to the Vitodens Venting

System Installation Instructions (PN 5285 268)."For information regarding other Viessmann System Technology componentry, please reference documentation of respective product.

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Vitodens 100-W

6

Vitodens 100-W, WB1A 24/30without piping connections

Connections Vitodens 100-W,WB1A 8-24, 8-30

LegendBoiler water supply, NPT ¾”Condensate drain, plastic hoseØ 0.87” / 22mmGas connection, NPT ¾”Boiler water return, NPT ¾”

a 7” / 180 mmb 15¾” / 400 mmc 2¼” / 58 mmd 27½” / 700 mme 47/8” / 123 mmf 7¼” / 183 mmg 133/8” / 340 mmh 5” / 125 mm

Vitodens 100-W, WB1Aside view

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c

he

g

a f

b

e

Vitodens 100-W

7

Vitodens 100-W, WB1A 24/30with piping connections

Piping connections for Vitodens100-W, WB1A 8-24 and 8-30 (factorysupplied)

Legend

BWR Boiler water return, ¾”BWS Boiler water supply, ¾”BD Boiler drainBF Boiler fillGC Gas connection, ¾” NPTMPRV Pressure relif valveNPT National Pipe ThreadPG Pressure gage

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14” /355mm

15¾” /400mm

27/8” / 73mm

53/ 8”/137mm

27½

”/700mm

33”/838mm

12”/300mm

2¼” /58mm

6” /152mm 47/8” /

123mm

47/8” /123mm

PRV

BD

GC

NPT

PG

BF

BWSBWR

Vitodens 100-W

8

Vitodens 100-W, WB1A 24/30with piping connections

Alternative piping connections forVitodens 100-W, WB1A 8-24 and 8-30(factory supplied)

Legend

BWR Boiler water return, ¾”BWS Boiler water supply, ¾”BD Boiler drainBF Boiler fillGC Gas connection, ¾” NPTMPRV Pressure relif valveNPT National Pipe ThreadPG Pressure gage

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6” /152mm

27½

”/700mm

15¾” /400mm

33”/838mm

12”/300mm

47/8” /123mm

47/8” /123mm

3” / 76mm

5½

”/140mm

PRV

BF

BD

GC

NPT

PG

BWR

BWS

Vitodens 100-W/Technical Data

9

Recommended Minimum Service Clearances Minimum Clearances to Combustibles

Top Front Rear Left Right Vent pipe*1

0 0 AL, CL 0 0 0 0AL = AlcoveCL = Closet*1Refer to the Installation Instructions of the VitodensVenting System for details.

Note:The Vitodens 100-W boiler has passed thezero inches vent clearance to combustiblestesting requirements dictated by the boilerHarmonized Standard ANSI Z21.13. CSA4.9.2005 and therefore is listed for zeroclearance to combustibles when ventedwith a single wall special venting system(AL-29-4C material) or UL/ULC-listed CPVCgas vent material. The zero inches ventclearance to combustibles for the Vitodens100-W boiler supercedes the clearance tocombustibles listing that appears on thespecial venting system label.

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Front

12”/305 mm

Top12”/305 mm

0”/mm

28”/700 mm

Side

0”/mm

Back

Side

12”/300 mm*

4”/100mm 28”/

700 mm

¼”/5 mm ¼”/5 mm¼”/5 mm

Technical Data/Heating Circuit Pumps

Pressure drop for model WB1A 8-24, 8-30

0

1

2

3

4

5

6

7

8

0

3.3

6.6

9.8

13.1

16.4

19.7

23

26

Sup

plyhe

adpres

sure

ft.

m

0 2.2 4.4 6.6 8.8 11 13.2

Flow rate

15.41.10 500 1000 1500 2000 2500 3000 3500250 ltr/h

GPM

10

Waterside Flow (primary circuit)

The Vitodens 100-W is designed only for closed loop, forcedcirculation hot water heating systems.

Pressure drop (primary circuit) of Vitodens 100-W

Typical System Flow Rates

Model WB1A 8-24 8-30

∆ t for NG

Output (NG) Btu/h 72 000 90 00020 ºF rise (GPM) 7.2 9.025 ºF rise (GPM) 5.8 7.230 ºF rise (GPM) 4.8 6.035 ºF rise (GPM) 4.1 5.140 ºF rise (GPM) 3.6 4.5

Use standard friction loss method for pipe sizing.Observe boiler maximum and minimum flow rate limitations. If system flow rate exceedsboiler maximum flow rate (as stated on page 14) or if system flow rate is unknown, Viessmann stronglyrecommends the installation of a low-loss header. See page 14 for low-loss header information.

Heating Circuit Pumps

Recommended heating pumps with Vitodens 100-W, WB1A 824, 8-30:

HGrundfos UP 26-64FHGrundfos 15-58 (3-speed)H Taco 0010HWilo Star 21or equivalent

Refer to the graph above for the properwaterside boiler friction loss calculations.

Pump selection must be based on accuratesystem flow and pressure drop calculations(incl. DHW sizing).

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A low-loss header must be used when the system flowrate exceeds the maximum (or minimum) flow rate of theVitodens 100-W boiler. An alternative method may beused, such as primary secondary piping using closelyspaced tees.A low-loss header offers additional benefits not providedby a pair of closely spaced tees. Viessmann stronglyrecommends and prefers the use of a low-loss headerover closely spaced tees.

Please see page 14 for details.

IMPORTANT

DHW Production/Wall Mounting

11

Domestic Hot Water Production via DHW Storage Tank

Vitodens 100-W boilers can be used inconjunction with the stand-alone DHWstorage tanks offered by Viessmann (aseparate DHW controller should be fieldsupplied).All Viessmann DHW storage tanks sold inNorth America are available in “Vitosilver”finish only.

Size and select the DHW storage tank basedon the forecasted DHW consumption of thebuilding in question.

For further technical information on DHWstorage tanks, see the Vitocell-V TechnicalData Manuals.

Wall Mounting Information

The Vitodens 100-W (model WB1A 8-24 and8-30) comes with a template, which allowsyou to easily mark the location of the screwsfor the mounting bracket and the location ofthe flue gas pipe on the wall.

The connection to the heating circuits(installation fittings are supplied in theInstallation Fittings package supplied withthe boiler) must be made on site.

LegendMounting template

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Condensate Connection/Neutralization Unit

12

Condensate Connection

Install the condensate drain pipe (Ø 7/8” /22mm) with a suitable gradient (min. 2.5%).Discharge condensate from the boiler intothe drainage system, either directly or (ifrequired) via a neutralization unit(accessory).

Condensate Connection for Vitodens 100-WHmodel WB1A 8-24, 8-30

The condensate drain of the Vitodes 100-Wboiler is equipped with a built-in siphon trapin order to keep flue gases from beingdischarged via the condensate drain.

Discharge tubing

Pipe ventilation must take place betweenthe siphon trap and the neutralization unit (ifapplicable).

Condensate Drainage and Condensate Neutralization

The condensate formed both in thecondensing boiler and in the flue gas pipemust be discharged into the public sewagesystem in accordance with all applicablelocal regulations.The condensate produced by a gas-firedheating system has a pH value between 3and 4.

Some local codes may require the use of aseparate neutralization unit to treat theaggressive and corrosive nature of thecondensate.With a neutralization unit installed, allcondensate from the boiler and the flue gaspipe enters into the neutralization unitwhere it is treated and released into thepublic sewage system with a safe pH valueof above 6.5.

The use of neutralization granulate(performing the neutralizing process) isdependent on the operation of the heatingsystem. To determine the required refillamount, check granulate level several timesduring the first year of operation. In somecases one granulate fill may last an entireyear.

Contact Viessmann to order a neutralizationunit for the Vitodens 100-W boiler.See Viessmann Price List for orderinformation.

The condensate discharge outlet to thedrainage system connection must be clearlyvisible. It must be installed with a suitablegradient and provided with a stench trap.

If the condensate outlet of theVitodens 100-W boiler is lower than thedrain, a condensate pump must be used.

Only corrosion-resistant materials must beused for condensate drainage purposes (e.g.braided hose). Do not use galvanizedmaterials or materials containing copper forpiping, couplings etc.The condensate drain must have a trap toprevent flue gas leakage.

Please note that other requirements mightapply depending on local regulations and/orproject-specific details.

It is advisable to contact your localwaterworks office (authority responsible forwaste water regulations) well beforecommencing with the installation of theneutralization unit in order to establishdetails of local regulations that apply.

The following table shows the concentrationof (effluent) substances (e.g. heavy metals)contained in the waste water from theVitodens 100-W condensing boiler.

Condensate(effluent)

Values measuredin mg/ltr

substances Vitodens 100

LeadCadmiumChromiumCopperNickelZincTin

< 0.01< 0.005< 0.01< 0.01< 0.01< 0.05< 0.05

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IMPORTANT

Venting Options / Electrical Connection

13

Vitodens 100-W Venting Options

For an overview of venting options refer to the appendix starting on page 20 For detailedinformation refer to the Vitodens Venting System Installation Instructions (PN 5285 268).

Electrical Connection

All electrical connections are made to theboiler’s integrated power pump module (120VAC/60 Hz). Use disconnect means andpower service switch as per local coderequirements.

Control Unit

Function and constructionThe control is integrated into the Vitodens100-W boiler.H Integrated diagnostic systemH For room temperature-dependentoperation, an external control or a roomtemperature thermostat can be connected

H To control DHW temperature, a separateDHW controller can be connected

H External heat demand

The control unit consists of:H LCD DisplayH Selector dial for boiler water temperatureadjustment

H Temperature adjustable high limitH Boiler temperature sensorH Burner fault displayH Burner fault resetH Pressure gageH Fuse

Boiler temperature sensorThe boiler temperature sensor is connectedto the control unit and built into the boiler.

Frost protectionFrost protection is continuously active. Theburner is switched ON when the boilerwater temperature reaches 41°F / 5°C andis switched OFF again when the boiler watertemperature reaches at least 59 °F / 15°C(but not more than 68°F / 20°C).

For details on the control, pleaserefer to the Vitodens 100-WOperating Instructions.

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Vitodens 100-W Accessories

14

Accessories for Vitodens 100-W

Neutralization Unit for Single-BoilerApplicationswith neutralizing granulate

for Vitodens 100-W, WB1A 8-24, 8-30Part No. 7134 231

Low-Loss Header

–Type 80/50Part No. 7134 230(max. flow rate 17.6 GPM / 4 m3/h)–Type 120/80Part No. 7134 244(max. flow rate 35.2 GPM / 8 m3/h)

A low-loss header offers additional benefitsnot provided by a pair of closely spacedtees. Viessmann strongly recommends andprefers the use of a low-loss header overclosely spaced tees.When used in conjunction with the Vitodens100-W boiler, the low-loss header acts ashydraulic break, decoupling boiler andsystem circuits from each other (no sensorrequired).It is recommended to use the low-lossheader in applications in which the totalsystem flow rate exceeds the maximum (orminimum) boiler flow rate.For maximum boiler flow rates, see table onpage 10 in this manual.Viessmann strongly recommends the use ofa low-loss header in cases where thesystem head and flow rates are unknown.In addition, the low-loss header helpseliminate air and debris [D] from the heatingsystem.See figures on the right for an illustration ofthe principle of operation.

The low-loss header is available in thefollowing sizes. Select the size based on themaximum system flow rate of yourapplication.

Model No. Max. system flow rate

Type 80/50 17.6 GPM / 4 m3/h

Type 120/80 35.2 GPM / 8 m3/h

*1Product does not look exactly asillustrated.

LegendAB Air BleedBR Boiler ReturnBS Boiler SupplyBY Bypass (with laminar flow)D Debris and/or airDV Drain ValveSR System ReturnSS System SupplyTS Viessmann Temperature Sensor (not

used)SW Sensor Well

T1 Boiler supply temperatureT2 Boiler return temperatureT3 System supply temperatureT4 System return temperatureVprimary Boiler circuit flow rateVsecondary Heating circuit flow rateVbypass Bypass flow rateQprimary Heat supplied by boilerQsecondary Heat consumed by system

Vprimary < VsecondaryT1 > T3T2 = T4Qprimary = Qsecondary

T1 ± 176°F / 80°CVsecondary=Vprimary+Vbypass

When installing a low-loss header, systemmixed supply temperature (T3) must becalculated as follows:

T3=T1× Vprimary+T4 Vbypass

Vsecondary

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310 DN 40

145

DV

BS

SS

SR

BR

TS

BY

AB

D

Low-loss header design(Type 80/50 or 120/80)

SW

T1

T2

Vprimary Vsecondary

T3

T4

Principle of Operation

T4Vbypass

IMPORTANT

Standard Equipment/How the Vitodens 100-W Operates.../Installation Examples

15

Standard Equipment

The Vitodens 100-W natural gas-firedcondensing boiler with Inox-Radial heatexchanger surfaces, modulating stainlesssteel cylinder gas burner for natural gasc/wH pressure gageH installation fittings with 30 psig pressurerelief valve and air vent

H two fill/drain valvesH all mounting hardware

– The boiler comes fully piped and prewired.– Venting material (coaxial) is to be suppliedby Viessmann only. Side wall ventinstallations must include Viessmannprotective screen!

Wall mounting componentryThe following wall mounting componentsare supplied with the Vitodens 100-Wboiler:H Mounting bracketH Mounting boltsH Installation fittingsH Screws for mounting bracket on– wood studs (2” x 4”)– metal studs– brick/concrete wall

How the Vitodens 100-W boileroperates...

The Vitodens 100-W boiler uses a premixcombustion system, which is designed todeliver a measured air-gas mixture to theburner for complete combustion. The gas isinjected upstream of the blower. The burnerand heat exchanger are part of aforced-draft design.The benefits offorced-draft systms are lower componenttemperatures, direct air-fuel connection(premix) for improved mixing, and longerservice life of the boiler due to mild tomoderate ambient conditions.The cylinder burner blower and thecombination gas valve are factory calibratedand pre-adjusted for optimum boilerperformance at all firing rates through apneumatic link between combustion air andgas flows. Blower speed is automaticallyincreased or decreased based on heatdemand, thereby regulating the amount ofcombustion air drawn. The pneumatic linkbetween air and gas introduces the requiredamount of gas for correct combustion tomeet the current heat demand, based on alinear relationship between ∆ P air and ∆ Pgas.

Installation Examples

The examples on the following pages depictpossible piping layouts of theVitodens 100-W boiler.

Please note that the following examples aresimplified conceptual drawings only!Piping and necessary componentry must befield verified.A low water cut-off (LWCO) must beinstalled where required by local codes.Proper installation and functionality in thefield is the responsibility of the heatingcontractor.

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IMPORTANT


16

System Layout 1Vitodens 100-W, WB1A 8-24, 8-30 with...

– one heating circuit

System Layout 1 - Alternate Option

Legend

AV Air ventPRV Pressure relief valve

Vitodens 100-WRoom thermostatHeating circuitHeating circuit pump (fieldsupplied)Expansion tank

Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than 6.2GPM / 1400 ltr/h.The low-loss header is available asaccessory part.

Model No.

Vitodens 100,

Max. flow rate(GPM/ltr/h)

WB1A 8-24 6.2/1400

WB1A 8-30 6.2/1400

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T--T

PRV

AV

T--T

PRV

AV


17


– DHW storage tank– low-loss header– one heating circuit

Primary pump must pump intothe boiler (as illustrated).

AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief valve

Vitodens 100-W gas-fired condensingboilerExternal third party boiler/DHWcontroller (field supplied)Heating circuitHeating circuit pump (field supplied)DHW storage tankDHW tank temperature aquastat orsensorDHW circulating pump (field supplied)Low-loss headerExpansion tankPrimary pump (boiler circuit, fieldsupplied) with low-loss header only

Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than6.2 GPM / 1400 ltr/h.The low-loss header is available asaccessory part.See page 14 in this manual for details onthe low-loss header.

Model No.

Vitodens 100-W,


WB1A 8-24 6.2/1400

WB1A 8-30 6.2/1400

DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1”nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This will ensure theresidual head of the built-in pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versusboiler pump residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may causeboiler short-cycling and inadequate DHW supply.

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AV

PRV

TPV

Y

Y

IMPORTANT

IMPORTANT


18


– DHW storage tank– one heating circuit

Primary pump must pump intothe boiler (as illustrated).

AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief valve

Vitodens 100-W gas-fired condensingboilerExternal third party boiler/DHWcontroller (field supplied)Heating circuitHeating circuit pump (field supplied)DHW storage tankDHW tank temperature aquastat orsensorDHW circulating pump (field supplied)Closely spaced tees, 4xpipe Øor 12” /305mm*

Expansion tankPrimary pump (boiler circuit, fieldsupplied) with low-loss header only

*A low-loss header offers additional benefitsnot provided by a pair of closely spacedtees. Viessmann strongly recommends andprefers the use of a low-loss header overclosely spaced tees.

Please see page 14 for details.

Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.7 GPM / 400 ltr/h or more than6.2 GPM / 1400 ltr/h.The low-loss header is available asaccessory part.See page 14 in this manual for details onthe low-loss header.

Model No.

Vitodens 100-W,


WB1A 8-24 6.2/1400

WB1A 8-30 6.2/1400

DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1”nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This will ensure theresidual head of the built-in pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versusboiler pump residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may causeboiler short-cycling and inadequate DHW supply.

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AV

PRV

TPV

Y

Y

4xpipe Øor 12” /305mm

IMPORTANT

IMPORTANT


19

System Design Considerations

IN THE COMMONWEALTH OF MASSACHUSETTS...-this product shall be installed by a licensed plumber or gas fitter.-the flexible connector (if used) cannot exceed 36”.-any level type shutoff used must be of tee handle type.

Boiler location

As a direct vent appliance, theVitodens 100-W can be installed for room airindependent operation (sealed combustion)regardless of size and ventilation method ofthe room in which it is located.The Vitodens 100-W can be installed, forexample, in the main living area of a house,in non-ventilated utility rooms, cupboards,closets and alcoves with no clearancerequired from combustible materials, as wellas in attics with a direct outlet for the fluegas/fresh air system. Follow all local andnational codes.

Flue gas system

Viessmann PPS (Polypropylene) concentricflue gas/fresh air systems and two-pipestainless steel/CPVC systems for room airindependent operation (sealed combustion)and side wall venting are tested to ANSIZ21.13 - CSA 4.9 - 2005 standards and arecertified together with the Vitodens 100-Wboiler as a constructional unit.The Vitodens 100-W boiler may also bevented vertically or horizontally, using ametallic AL29-4C® special stainless steel, ornon-metallic CPVC single-wall, room airdependent venting system (UL/ULC listedfor category IV).For a more detailed description of the directvent and single-wall vent system, pleaserefer to the Vitodens Venting SystemInstallation Instructions.

Flue gas temperature protection

Viessmann PPS (Polypropylene) flue pipesused for the Vitodens 100-W are rated formax. flue gas temperatures of up to248 °F/120 °C.No flue gas temperature protection isrequired as the maximum permissible fluegas temperature is not exceeded in anyoperating condition or in the event ofmalfunctioning.

Low water cut-offA low water cut-off may be required bylocal codes. If the boiler is installed abovethe radiation level, a low water cut-offdevice of approved type must be installed inall instances. An approved type low watercut-off device must be provided by theheating contractor. Do not install anisolation valve between the boiler and thelow water cut-off.The Vitodens 100-W boiler has a built-inflow switch, which may be accepted bylocal codes in lieu of a low water cutoff.

System layout

H The max. boiler water temperature for ...–space heating is 176 °F/80 °C.–DHW production is 172 °F/78 °C.

To minimize distribution losses,Viessmann recommends that the heatingand domestic hot water systems be basedon a maximum boiler supply temperatureof 158 °F/70 °C.

H Due to the low return temperaturesrequired for gas condensing, no mixingvalves should be used in the heatingcircuit whenever possible. If mixing valvesare required, e.g. for multi-circuit systemsor underfloor heating systems, only 3-waymixing valves must be used.Do not use 4-way mixing valves withcondensing boilers.

Water connections

Vitodens 100-W boilers can be used in anyfully pumped hot water heating system.Minimum system pressure is 0.8 bar/12 psig.

Chemical corrosion protection productsCorrosion does not typically occur in sealedheating systems which have been correctlyinstalled and are correctly operated.Many manufacturers of plastic pipesrecommend the use of chemical additives.In this case, only those commerciallyavailable corrosion protection productsapproved for boilers with domestic hotwater heating via single-wall heatexchangers (instantaneous plate heatexchangers or DHW tanks) must be used.

Underfloor heating systems

For underfloor heating systems Viessmannrecommends the use of plastic tubing withan oxygen diffusion barrier in order toprevent the diffusion of oxygen throughtubing. If plastic tubing without an oxygendiffusion barrier is used in underfloorheating systems, Viessmann recommendsthat such systems be separated from theboiler with a heat exchanger.

Oxygen diffusion barrierunderfloor tubingThe boiler warranty does not cover leaksresulting from corrosion caused by the useof underfloor plastic tubing without anoxygen diffusion barrier. Such systems musthave the non-oxygen diffusion barrier tubingseparated from the boiler with a heatexchanger. Viessmann recommends the useof underfloor plastic tubing with an oxygendiffusion barrier.

Water quality

Treatment for boiler feed water should beconsidered in areas of known problems,such as where a high mineral content andhardness exist. In areas where freezingmight occur, an antifreeze may be added tothe system water to protect the system.Please adhere to the specifications given bythe antifreeze manufacturer. Do not useautomotive silicate based antifreeze. Pleaseobserve that an antifreeze/water mixturemay require a backflow preventer within theautomatic water feed and influencecomponents such as diaphragm expansiontanks, radiation, etc. Maximum antifreezecontent is 50% for the Vitodens 100-Wboiler. Do not use antifreeze other thanspecifically made for hot water heatingsystems. System also may containcomponents which might be negativelyaffected by antifreeze. Check total systemfrequently when filled with antifreeze.Advise system operator/ultimate owner thatsystem is filled with a glycol mix.The heating contractor must provide aMSDS (Material Safety Data Sheet) for theantifreeze used to the systemoperator/ultimate owner.

Warranty

Our warranty does not cover damagesresulting from the following:– installation or service by unqualified andunlicensed personnel.

– attempting to perform any repair work onthe boiler other than that mentioned in theboiler literature.

– tampering with or attempting to readjustthe factory settings of the

–combination gas valve– leaks resulting from corrosion caused bythe use of underfloor plastic tubingwithout an oxygen diffusion barrier.

For detailed warranty information, pleaseread warranty sheet supplied with product.

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Appendix

20

Vitodens 100-W Venting Alternatives

Venting Alternatives

Viessmann Coaxial PPs Vent Stainless Steel Vent CPVC Vent Type

60/100 80/125 100/150 3” 4” 2” 3” 4” Diameter

Max. Equivalent Lengthhorizontally vented 20

6268

3310

5216

6620

3310

5216

6620

ftm

vertically vented 3310

3912

4614

6620

7924

4012

6620

7924

ftm

Layouts on the following pages are for illustrative purposes only.Do not use this manual for installation purposes. This is not a design tool.Always follow Viessmann Vitodens Venting System Installation Instructions(PN 5285 268).Select vent material based on vent configuration, preferred material, and necessarymaximum equivalent length.

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Appendix (continued)

21

Coaxial PPs Vent System

Vent System 1 Vent System Diametery

60/100 80/125 100/150

Room Air Independent Operation Maximum(Sealed Combustion Operation) Equivalent Length

206

268

3310

ftm

Basic Horizontal Vent KitVenting pieces can be orderedindividually, or as a convenientkit using the Order No. to theright; Basic Vent Kit includesone of each of the items num-bered 2 to 5 , including twoMounting Clips 6 .

7134 768 — — Order No.

A� Boiler Vent Pipe Adaptor

(included with boiler)— — — Order No.

B Adaptor, coaxial60/100 > 80/125(not shown)

Adaptor, coaxial60/100 > 100/150(not shown)

—

—

7176 765

—

—

7142 681

Order No.

Order No.

Combustion Air Intake

BA

� 87° ElbowEqL=1.6ft / 0.5m

7176 735 7176 639 7176 674 Order No.

Flue Gas OutletB � Straight Pipe 2

3.3ft / 1m7176 733 7176 637 7176 672 Order No.

� Vent Termination2.6ft / 0.8m

7246 524 7246 527 7245 526 Order No.

� Protective Screen 7134 790 7134 790 7134 790 Order No.

� Mounting Clip 2 (each) 7176 762 7176 664 7176 682 Order No.

Other Available Vent Piecesnot shown in illustration above

87° Inspection TeeEqL=1.6ft / 0.5m

7176 737 7176 642 7176 677 Order No.

87° Inspection ElbowEqL=1.6ft / 0.5m

7176 738 — — Order No.

Sliding Coupling0.8ft / 0.25m

7176 761 7176 663 7176 678 Order No.

Straight Pipe 2

1.6ft / 0.5m7176 732 7176 636 7176 671 Order No.

45° Elbow (Set of 2)EqL=1.0ft / 0.3m

7176 736 7176 640 7176 675 Order No.

1 Sealed combustion, coaxial vent material to be supplied by Viessmann only.Side wall venting installation must include Viessmann Protective Screen!

2 Order one Mounting Clip for each straight length of vent pipe installed." Do not include first 87° Elbow in equivalent vent length calculations." A maximum of 5 elbows may be installed in the vent system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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22

Coaxial PPs Vent System (continued)


60/100 80/125 100/150


3310

3912

4614

ftm

B

A

� Boiler Vent Pipe Adaptor(included with boiler)

— — — Order No.

AAdaptor60/100 > 80/125(not shown)

Adaptor60/100 > 100/150(not shown)

—

—

7176 765

—

—

7142 681

Order No.

Order No.

� 87° ElbowEqL=1.6ft / 0.5m

7176 735 7176 639 7176 674 Order No.

� Mounting Clip 2 (each) 7176 762 7176 664 7176 682 Order No.

� 87° Inspection TeeEqL=1.6ft / 0.5m

87° Inspection ElbowEqL=1.6ft / 0.5m

7176 737

or

7176 738

7176 642

—

7176 677

—

Order No.

Order No.

� Sliding Coupling0.8ft / 0.25m

7176 761 7176 663 7176 678 Order No.

� Straight Pipe 2

1.6ft / 0.5m

Straight Pipe 2

3.3ft / 1m

7176 732

or7176 733

7176 636

or7176 637

7176 671

or7176 672

Order No.

Order No.

45° Elbow (Set of 2)EqL=1ft / 0.3m

7176 736 7176 640 7176 675 Order No.


Flue Gas OutletBA Vent Termination

3.9ft / 1.2m7176 739 7148 007 7339 762 Order No.

Roof Flashingand Storm Collar(B-Vent material or better)

fieldsupplied

Order No.

1 Sealed combustion, coaxial vent material to be supplied by Viessmann only.Side wall venting installation must include Viessmann Protective Screen!

2 Order one Mounting Clip for each straight length of vent pipe installed." Do not include first 87° Elbow in equivalent vent length calculations." A maximum of 5 elbows may be installed in the vent system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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23

Stainless Steel Vent System


3” 4”


a + b ≦ 5216

6620

ftm

b� Boiler Vent Adaptor

(included with boiler)— — Order No.

B

� Double-Pipe Adaptor60/100 > 80/80

7186 032 7186 032 Order No.

a

B

A

� Adaptor(s), stainless steel80mm > 3” (order 2 pcs)

3” > 4” (order 2 pcs)(not shown)

fieldsupplied

—

fieldsupplied

andfield

supplied

Order No.

Order No.

� Venting Support 4 fieldsupplied

fieldsupplied

Order No.

� Combustion Air Intake Vent MaterialAllowable materials: see note below 5

fieldsupplied

fieldsupplied

Order No.


Flue Gas OutletBA

� ULC/UL listedStainless Steel Vent Material 3

45° Elbow EqL=2ft / 0.6m90° Elbow EqL=3ft / 0.9m

fieldsupplied

fieldsupplied

Order No.

� Bird Screen c/wTermination

fieldsupplied

fieldsupplied

Order No.

Room Air Dependent Operation MaximumEquivalent Length

a + b ≦ 5216

6620

ftm

� Boiler Vent Adaptor(included with boiler)

— — Order No.

b

BA

� Adaptor, coaxial60/100 > 80/125

60/100 > 100/150

7176 765

—

—

7142 681

Order No.

Order No.

B � Adaptor, stainless steel80mm > 3”

100mm > 4”

fieldsupplied

—

—

fieldsupplied

Order No.

Order No.

CCombustion Air IntakeA


fieldsupplied

Order No.

a = zero


Flue Gas Outlet

Air Opening

BA

C� ULC/UL listed

Stainless Steel Vent Material 3


fieldsupplied

fieldsupplied

Order No.

� Bird Screen c/wTermination

fieldsupplied

fieldsupplied

Order No.

3 Stainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.

4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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24

Stainless Steel Vent System (continued)


3” 4”


a + b ≦ 6620

7924

ftm

B A � Boiler Vent Adaptor(included with boiler)

— — Order No.


7186 032 7186 032 Order No.

b



fieldsupplied

—

fieldsupplied

andfield

supplied

Order No.

Order No.

a� Venting Support 4 field

suppliedfield

suppliedOrder No.


fieldsupplied

fieldsupplied

Order No.

A

� ULC/UL listedStainless Steel Vent Material 3


fieldsupplied

fieldsupplied

Order No.


Flue Gas OutletBA � Bird Screen c/w

Terminationfield

suppliedfield

suppliedOrder No.


a + b ≦ 6620

7924

ftm

B � Boiler Vent Adaptor(included with boiler)

— — Order No.

b

� Adaptor, coaxial60/100 > 80/125

60/100 > 100/150

7176 765

—

—

7142 681

Order No.

Order No.

b

A

� Adaptor, stainless steel80mm > 3”

100mm > 4”

fieldsupplied

—

—

fieldsupplied

Order No.

Order No.


fieldsupplied

Order No.

Combustion Air IntakeA

C� ULC/UL listed

Stainless Steel Vent Material 3


fieldsupplied

fieldsupplied

Order No.

a = zero


Flue Gas Outlet

Air Opening

BA

C� Bird Screen c/wTermination

fieldsupplied

fieldsupplied

Order No.

3 Stainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.

4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268). 5347963v1

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I M P O R T A N T :Do not use any DWV plumbingpipes to vent this boiler.


25

CPVC Vent System


2” 3” 4”


a + b ≦ n.a. 5216

6620

ftm

b� Boiler Vent Adaptor

(included with boiler)— — — Order No.

B

� Double-Pipe Adaptor — 7186 032 7186 032 Order No.

a

B

A

or

� Adaptor(s), CPVC80mm > 3” (order 2 pcs)


— 7134 770

—

7134 770

andfield

supplied

Order No.

Order No.

or

B

� Venting Support 4 — fieldsupplied

fieldsupplied

Order No.

AB


fieldsupplied

fieldsupplied

Order No.


Flue Gas OutletBA

� ULC/UL listedCPVC Vent Material 7


— fieldsupplied

fieldsupplied

Order No.

� Bird Screen(order 2 pcs)

orHorizontal Vent Termination

— 7134 781

7134 772

7134 782

7134 773

Order No.

Order No.


a + b ≦ 3310

5216

6620

ftm

� Boiler Vent Adaptor(included with boiler)


b� Flue Adaptor, CPVC

60mm > 2”7134 769 7134 769 7134 769 Order No.

AB

� Adaptor(s), CPVC2” > 3”

3” > 4”(not shown)

—

—

fieldsupplied

—

fieldsupplied

andfield

supplied

Order No.

Order No.


fieldsupplied

fieldsupplied

Order No.

CCombustion Air Intake

Flue Gas OutletBA

C



fieldsupplied

fieldsupplied

fieldsupplied

Order No.

a = zeroAir OpeningC � Bird Screen 7134 780 7134 781 7134 782 Order No.

3 CPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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26

CPVC Vent System (continued)


2” 3” 4”


a + b ≦ n.a. 6620

7924

ftm

B A � Boiler Vent Adaptor(included with boiler)


� Double-Pipe Adaptor — 7186 032 7186 032 Order No.

b

� Adaptor(s), CPVC80mm > 3” (order 2 pcs)


— 7134 770

—

7134 770

andfield

supplied

Order No.

Order No.

a� Venting Support 4 — field

suppliedfield

suppliedOrder No.


fieldsupplied

fieldsupplied

Order No.

A



— fieldsupplied

fieldsupplied

Order No.


Flue Gas OutletBA � Bird Screen

(order 2 pcs)— 7134 781 7134 782 Order No.


a + b ≦ 4012

6620

7924

ftm

B � Boiler Vent Adaptor(included with boiler)


� Flue Adaptor, CPVC60mm > 2”

7134 769 7134 769 7134 769 Order No.

b

A

� Adaptor(s), CPVC2” > 3”

3” > 4”(not shown)

—

—

fieldsupplied

—

fieldsupplied

andfield

supplied

Order No.

Order No.

A� Venting Support 4 field

suppliedfield

suppliedfield

suppliedOrder No.

Combustion Air IntakeA

C



fieldsupplied

fieldsupplied

fieldsupplied

Order No.

a = zero


Flue Gas Outlet

Air Opening

BA

C

� Bird Screen 7134 780 7134 781 7134 782 Order No.

3 CPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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27

CPVC or Stainless Steel Vent System


3” 4”


a + b ≦ 5918

7222

ftm

B� Boiler Vent Adaptor

(included with boiler)— — Order No.


7186 032 7186 032 Order No.



or

fieldsupplied

—

fieldsupplied

andfield

supplied

Order No.

Order No.

b � Adaptor(s), CPVC80mm > 3” (order 2 pcs)


7134 770

—

7134 770

andfield

supplied

Order No.

Order No.

a

A� Venting Support 4 field

suppliedfield

suppliedOrder No.

A

� Combustion Air Supply PipeAllowable materials: see note below 5

fieldsupplied

fieldsupplied

Order No.

� ULC/UL listedStainless Steel Vent Material 3a


or

fieldsupplied

fieldsupplied

Order No.


Flue Gas OutletBA � ULC/UL listed

CPVC Vent Material 3b


fieldsupplied

fieldsupplied

Order No.

� Bird Screen c/w Terminationfor stainless steel

or

fieldsupplied

fieldsupplied

Order No.

� Bird Screenfor CPVC (order 2 pcs)

7134 781 7134 782 Order No.

3aStainless steel vent material must be ULC/UL listed, stainless steel AL29-4C® for Category IV boilers.Suggested sources: Flex-L International Inc., Flexmaster Canada Ltd. / Z-Flex (US) Inc., Heat-fab Division Selkirk Corp., or ProTech Systems Inc.

3bCPVC vent material must be ULC/UL listed, for Category IV boilers. Suggested source: IPEX Inc.4 Boiler cannot support weight of vent system. Support venting as prescribed in vent manufacturer’s installation instructions.5 Combustion air supply pipe may be made of the following materials: ABS, CPVC, PVC, or stainless steel." A maximum of 5 elbows may be installed in the vent and air intake system; do not exceed maximum equivalent vent length." Always follow Viessmann Vitodens Venting System Installation Instructions (PN 5285 268).

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Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • [email protected]

Viessmann Manufacturing Company (U.S.) Inc.45 Access RoadWarwick, Rhode Island • 02886 • USATel. (401) 732-0667 • Fax (401) 732-0590www.viessmann-us.com • [email protected]

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