Viessmann VITODENS 100-W WB1B Series Installation And Service Instructions Manual

Viessmann VITODENS 100-W WB1B Series Installation And Service Instructions Manual

Wall-mounted, gas-fired condensing boiler
Table of Contents

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Installation and Service
Instructions
for use by heating contractor
Vitodens 100-W
WB1B Series
Wall-Mounted, gas-fired condensing boiler
Heating input
37 to 118 MBH
10.8 to 34.5 kW
VITODENS 100-W
5368 828 v1.6 11/2010
Vitodens 100-W, WB1B
(with preinstalled coaxial vent pipe adaptor)
IMPORTANT
Read and save these instructions
for future reference.
®
This trademark is registered with the U.S. Patent and Trademark Office

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Summary of Contents for Viessmann VITODENS 100-W WB1B Series

  • Page 1 Installation and Service Instructions for use by heating contractor Vitodens 100-W WB1B Series Wall-Mounted, gas-fired condensing boiler Heating input 37 to 118 MBH 10.8 to 34.5 kW VITODENS 100-W Vitodens 100-W, WB1B (with preinstalled coaxial vent pipe adaptor) IMPORTANT Read and save these instructions for future reference.
  • Page 2: Safety Safety, Installation And Warranty Requirements

    Safety Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).
  • Page 3: Table Of Contents

    Table of Contents Page Safety Safety, Installation and Warranty Requirements..........4 General Information About these Installation Instructions............8 Applicability.....................9 Product Information...................9 Mechanical Room...................10 Set-up Before Set-up..................12 Minimum Clearances................12 Boiler Connections Preparing the Connections................13 Connections overview................13 Dimensions overview without bottom piping connections......14 Dimensions overview with connections............15 Dimensions overview with connections and alternative drain connection.....................15...
  • Page 4 Table of Contents Page Control Connections Electrical Connections................37 Rotating the control unit and opening the power / pump module.................37 Electrical connections to the power / pump module........38 Optional operating control - Open Therm............38 Closing the power / pump module and reinstalling the control unit....39 Reinstalling the front panel...............39 Initial Start-up, Necessary Tools..................40...
  • Page 5 CAN/CSA-B149.1 or .2 Installation be found. Contact Viessmann for Codes for Gas Burning Appliances for additional copies. Canada. For U.S. installations use the National Fuel Gas Code ANSI Z223.1.
  • Page 6 Safety Important Regulatory and Installation Requirements For installations on the Commonwealth of Massachusetts, the following modifications to NFPA-54 chapter 10 apply: Excerpt from 248 CMR 5-08: 2(a) For all side-wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side-wall exhaust vent termination is less than (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied:...
  • Page 7 - Technical Data Manual the system operator/ultimate - Installation and Service Instructions owner where the literature can - Operating Instructions be found. Contact Viessmann for and User's Information Manual additional copies. - Vitodens Venting System Installation Instructions - Instructions of other products utilized...
  • Page 8: About These Installation Instructions

    General Information About these Installation Instructions Take note of all symbols and notations intended to draw attention to potential hazards or important product information. These include “WARNING”, “CAUTION”, and “IMPORTANT”. See below. Warnings draw your attention to WARNING the presence of potential hazards or important product information.
  • Page 9: Applicability

    General Information Applicability IMPORTANT The boiler serial number must be provided when ordering replacement parts. Both the 16-digit serial number bar code label and the 12-digit ASME/ NB serial number correlate to each ASME/NB stamp 12-digit digit other. Providing either serial number serial number location is sufficient.
  • Page 10: Mechanical Room

    General Information Mechanical Room During the early stages of new home design, we recommend that proper consideration be given to constructing a separate mechanical room dedicated to gas- or oil-fired equipment including domestic hot water storage tanks. The boiler must be located in a heated indoor space, near a floor drain, and as close as possible to the wall.
  • Page 11 General Information Mechanical Room (continued) Installation area conditions Sources of combustion and ventilation WARNING air contaminants. WARNING If you notice fire coming from the appliance, call the fire department Incorrect ambient conditions can Areas likely to contain contaminants: immediately! Do not attempt to lead to damage to the heating extinguish the fire unless qualified system and put safe operation at risk.
  • Page 12: Before Set-Up

    General Information/Set-up Before Set-up Before placing boiler in its installation CAUTION location, ensure all necessary accessories are installed. The boiler must be installed in such a way that gas ignition system components are protected from water (spraying, splashing, etc.) during boiler operation and service. Minimum Clearances Recommended minimum service clearances...
  • Page 13: Preparing The Connections

    Boiler Connections Preparing the Connections Use an approved pipe sealant or teflon tape when connecting the following installation fittings. Connections overview This section is an overview only! Refer to subsequent sections for detailed information on individual piping connections. Piping connections for Vitodens 100-W, WB1B 26 and 35 (factory supplied) Legend...
  • Page 14: Boiler Connections Preparing The Connections

    Boiler Connections Preparing the Connections (continued) Dimensions overview without bottom piping connections Fig. 5 Front view Side view Top view When preparing gas, water Connections Vitodens 100-W, and electrical connections in WB1B 26, 35 the field, see section entitled “Wall Mounting” on page 16 Legend of this manual for information Dimensions...
  • Page 15: Dimensions Overview With Connections

    Boiler Connections Preparing the Connections (continued) Dimensions overview with piping connections This section is an overview only! Refer to subsequent sections for detailed information on individual piping connections. Piping connections for Vitodens 100-W, WB1B 26 and 35 (factory supplied) Legend Boiler water return, ¾”...
  • Page 16: Wall Mounting

    Boiler Connections Wall Mounting Wall mounting bracket installation The Vitodens 100-W can be wall-mounted on a brick/concrete wall wood studs metal studs Following are the installation instructions for the mounting bracket on each material. Skip to the installation instructions applicable to your installation requirements.
  • Page 17 Boiler Connections Wall Mounting (continued) Mounting bracket installation (continued) Installation of mounting bracket on wood and metal studs To mount the Vitodens 100-W boiler on wood or metal studs, install mounting bracket on wall as shown on previous page. Refer to drawings on the left and below for more detailed installation information.
  • Page 18: Mounting Vitodens 100-W Boiler

    Boiler Connections Wall Mounting (continued) Mounting Vitodens 100-W boiler 1. Loosen the screws at the bottom of the boiler; do not remove completely. 2. Remove the front panel. 3. Mount boiler onto the mounting bracket. For installation of the mounting bracket, see subsection entitled “Wall mounting bracket installation”...
  • Page 19: Proper Piping Practice

    Boiler Connections Connections (continued) Proper piping practice 2 imperfect threads Use moderate amount of dope Support piping by proper suspension method. Piping must not rest on or be supported by boiler. Thread pipe right length Leave 2 threads bare Fig. 15 Gas connection and piping 1.
  • Page 20 Boiler Connections Connections (continued) Gas connection and piping (continued) 1. Refer to current CAN/CSA B149.1 or 2 in Canada. In the United States, use the National Fuel Gas Code ANSI Z223.1/NFPA 54, as well as local codes for gas piping requirements and sizing.
  • Page 21: Gas Piping Pressure Test

    Boiler Connections Connections (continued) Gas piping pressure test When performing the gas piping pressure test, ensure the following requirements are met. 1. Isolate the boiler from the gas WARNING supply piping system using the individual manual shutoff valve Never check for gas leaks with an during pressure tests equal to or open flame.
  • Page 22: Heating Water Connections

    Test pressure......4 bar/ 60 psig IMPORTANT Damage resulting from pressure exceeding those values stated is not covered by Viessmann warranty. Use a two-hand wrench method when tightening fittings or piping onto the boiler connectors. Use one wrench to prevent the boiler...
  • Page 23: Condensate Connection

    Boiler Connections Connections (continued) Condensate connection 1. Install the condensate drain pipe The Vitodens 100-W boiler comes with a built-in condensate trap. with a suitable gradient. An external trap is not required 2. Discharge condensate from the when connecting the field drain to flexible discharge tubing.
  • Page 24: Safety Connections And Pressure Testing

    Boiler Connections Safety Connections and Pressure Testing Installing safety devices on the boiler Minimum connection diameters: 1. Remove loosely preassembled Pressure relief valve.....¾” combination pressure relief valve Discharge pipe ......¾” and drain valve assembly. Piping to precharged expansion tank......¾” 2.
  • Page 25: Performing Pressure Test On The Boiler

    Boiler Connections Safety Connections and Pressure Testing (continued) Performing pressure test on the boiler The boiler must be leak tested before 5. After 15 minutes, release water being placed in operation. Before pressure from boiler by opening boiler is connected to piping or boiler drain valve slowly, remove electrical power supply, it must be caps from supply and return...
  • Page 26: Installation Examples

    Specific system are insulated with pipe insulation of layouts may be further discussed appropriate and sufficient thickness with the local Viessmann sales and insulation values, the above representative office. clearance may be reduced to 0” (refer to local gas codes).
  • Page 27 A low-loss header offers additional benefits not provided by a pair of closely spaced tees. Viessmann strongly recommends and prefers the use of a low-loss header over closely spaced tees. Please see page 36 for details.
  • Page 28 Boiler Connections Installation Examples (continued) System Layout 1 Legend Vitodens 100-W, WB1B 26, 35 Air vent with... Pressure relief valve - one heating circuit Vitodens 100-W Room thermostat Heating circuit Heating circuit pump (field supplied) Expansion tank Pressure Activated By-Pass Note: Heating circuit C in the examples should be designed to 30º...
  • Page 29 Boiler Connections Installation Examples (continued) System Layout 2 Legend Vitodens 100-W, WB1B 26, 35 with... Air vent - DHW storage tank Pressure relief valve - low-loss header Temperature and pressure - one heating circuit relief valve Vitodens 100-W gas-fired condensing boiler External boiler/DHW controller (field supplied) Heating circuit...
  • Page 30 Expansion tank Primary pump (boiler circuit, field supplied) *A low-loss header offers additional benefits not provided by a pair of closely spaced tees. Viessmann strongly recommends and prefers the use of a low-loss header over closely Fig. 27 spaced tees.
  • Page 31 System Layout 4 Vitodens 100-W, WB1B 26, 35 with... - DHW storage tank - Low-loss header - one high-temperature heating circuit - one low-temperature heating circuit - Viessmann Vitotronic 050, HK1M controller OPTIONAL ROOM SEE NOTE 2 THERMOSTAT 120V POWER SUPPLY...
  • Page 32 Boiler Connections Installation Examples (continued) Wiring diagram for system layout 4 ROOM THERMOSTAT Vitotronic 050, Model HK1M Digital Indoor/ Outdoor Heating Circuit Control Unit & Power Pump Module Vi.PN Power Pump Module 7134627 See Installation Instruction specific to each control Honeywell Aquastat L4008A1031 Vi.PN.
  • Page 33 Boiler Connections Installation Examples (continued) System Layout 4 Installation of heating circuits: Note 1 Note 2 Optional high limit safety control of The heating circuit pump logic output - radiator heating circuit (high heating circuit E. of the Vitotronic 050 is used to temperature circuit) (During DHW production with DHW energize the RT (room thermostat)
  • Page 34: Boiler In Heating/Cooling Application

    IMPORTANT B Spring-loaded flow check valve additional requirements. C Circulation pump D Expansion tank Viessmann strongly suggests that the Cooling season starts: E Water chiller valves pictured above be labelled “v1” Close valve v1 and open valve v2. F Boiler circuit pump (field supplied) and “v2”.
  • Page 35: Boiler With Low Water Cut-Off (Remote Mounted, Field Supplied)

    Boiler Connections Installation Examples (continued) Boiler with low water cut-off (remote-mounted, field supplied) A low water cut-off may be required Hi-Vent Hi-Vent by local codes. If boiler is installed above radiation level, a low water cut-off device of approved type (field supplied) must be installed in all instances at the highest point of the piping system.
  • Page 36: Low-Loss Header

    Part No. 7134 244 DV Drain Valve (max. flow rate 35.2 GPM / 8 m3/h) SR System Return SS System Supply TS Viessmann Temperature Sensor (not used) SW Sensor Well Fig. 34 Low-loss header design Fig. 33 (Type 80/50 or 120/80)
  • Page 37: Venting Connection

    Boiler / Control Connections Venting Connection For detailed installation CAUTION information and specific venting requirements, Under certain climatic conditions reference the Vitodens some building materials may be Venting System affected by flue products expelled Installation Instructions in close proximity to unprotected supplied with the boiler.
  • Page 38: Electrical Connections To The Power / Pump Module

    The boiler will adjust the heat input accordingly (low-high modulation). Legend A 0-10 V (field wiring) B Viessmann outdoor temperature sensor (field wiring) C Open Therm (field wiring) D Connection cable terminal E Power pump module % Plug-in connection cable box.
  • Page 39: Closing The Power Pump Module And Reinstalling The Control Unit

    2. Tighten screws at the bottom. IMPORTANT Read and follow, where applicable, the safety instructions of all labels and stickers attached to boiler surfaces. Do not remove any of these instructions. Contact Viessmann if any replacement labels are required. Fig. 41...
  • Page 40: Necessary Tools

    Start-up, Inspection and Maintenance Necessary Tools Special items Approved leak detection fluid for natural gas Pipe joint sealant Garden hose for pressure testing Testing/analysis equipment Use only calibrated equipment. Multimeter to measure 0 - 12A, 120V and resistances Flue gas analyzer to measure % or O (i.e.
  • Page 41: Overview Of Controls And Indicators

    Start-up, Inspection and Maintenance Overview of Controls and Indicators Controls and indicators are located behind the hinged front cover. Flip up the front cover to access the controls. See Fig. 42. Control and display elements The control unit is preset at the factory for standard operation.
  • Page 42 Start-up, Inspection and Maintenance Overview of Controls and Indicators (continued) Legend A Heating mode pump output “ON” (when RT is closed) B DHW mode pump output “ON” (when DHW is closed) C Boiler water temperature in °F or fault code D Units for boiler water temperature measurement E Service mode...
  • Page 43: Overview Of Components

    Start-up, Inspection and Maintenance Overview of Components Fig. 45 Legend A Fixed high limit, 210° F / 99° C L Burner mounting flange assembly T Heat exchanger / flue gas B Ignition / ionization electrode M Boiler temperature sensor collector C Flow switch, VK315M N Radial fan U Control console flame safeguard...
  • Page 44: Procedure Overview

    Start-up, Inspection and Maintenance Procedure Overview Start-up steps Inspection steps Maintenance steps 6 6 6 1. Fill and vent the heating system ..................45 2. Check power supply connection..................46 3. Select appropriate gas type....................47 4. Measure static pressure and running pressure..............47 5.
  • Page 45: Steps

    Initial Start-up, Inspection and Maintenance Steps 1. Fill and vent heating system Start-up 1. Open system isolation valves (if Note: installed). Before filling the heating system with water, check that all necessary flow check valves are installed. 2. Check inlet pressure of the If the nitrogen pressure of the diaphragm expansion tank.
  • Page 46: Check Power Supply Connection

    Initial Start-up, Inspection and Maintenance Steps (continued) 1. Fill and vent heating system (continued) Start-up 5. Check system pressure. 6. Ensure proper / adequate fuel supply exists. Open gas shutoff valve. Max. boiler operating pressure....45 psig Min. boiler operating pressure..14 to 23 psig Pressure relief valve..30 psig 2.
  • Page 47: Select Appropriate Gas Type

    Initial Start-up, Inspection and Maintenance Steps 3. Select appropriate gas type Start-up and Maintenance 1. Ensure that the fuel type listed on the boiler rating plate is the correct type for the installation being attempted. 2. Record fuel type in Maintenance Record on page 83.
  • Page 48 Initial Start-up, Inspection and Maintenance Steps (continued) 4. Measure static pressure and running pressure (continued) Start-up and Maintenance 8. All measurements must be made Use suitable measuring instruments under high-fire conditions. calibrated with a minimum Measure the running pressure; resolution of 0.04 “w.c. for value must be: measuring the running pressure.
  • Page 49: How The Vitodens 100-W Boiler Operates

    Initial Start-up, Inspection and Maintenance Steps (continued) 5. How the Vitodens 100-W boiler operates... Start-up and Maintenance The Vitodens 100-W boiler uses a premix combustion system, which is designed to deliver a measured air-gas mixture to the burner for complete combustion.
  • Page 50: I 6. Relay Tests

    Initial Start-up, Inspection and Maintenance Steps (continued) 6. Relay tests Start-up and Maintenance If the CO value measured lies more The Vitodens 100-W boiler is factory than 1% outside the stated range, preset for operation with natural gas. perform the following step: It is recommended that a CO check Check the venting system for leaks...
  • Page 51 Initial Start-up, Inspection and Maintenance Steps (continued) Start-up and Maintenance 6. Relay tests (continued) 5. Check the flue gas CO content. Should the actual value deviate by more than 1% from the above range, check the seals in the High-fire increase gas flow balanced flue system.
  • Page 52: I 7. High Altitude Testing

    Initial Start-up, Inspection and Maintenance Steps (continued) 7. High altitude setting Start-up and Maintenance 1. Simultaneously turn selector Note: dials “ ” and “tr” to their When the boiler is initially turned on, center position. “SERV” appears in a self-diagnostic check is initiated. the display.
  • Page 53: Clock Natural Gas Meter

    Initial Start-up, Inspection and Maintenance Steps (continued) 8. Clock natural gas meter Start-up and Maintenance Clock natural gas meter to verify input IMPORTANT 1. Ensure all other gas equipment A boiler underfired by 5% is still served by the meter is turned off during timing of gas input to acceptable.
  • Page 54: Check All Primary And Secondary Circuit Connections For Leaks

    Initial Start-up, Inspection and Maintenance Steps (continued) 9. Check all primary and secondary circuit connections for leaks Start-up and Maintenance Check heating system and domestic hot water connections (if applicable). Ensure all connections are pressure tight. Correct any leaks found on fittings, pumps, valves, etc.
  • Page 55: Check Ventinging System For Leaks (Circular Air Gap Measurement) For Sealed Combustion, Coaxial Venting Only

    (continued) 11. Check venting system for leaks (circular air gap measurement) Start-up and Maintenance For sealed combustion, coaxial vent only Viessmann strongly recommends If higher CO values or lower O that the heating contractor perform a values are measured, check venting simplified leak test during boiler start- system thoroughly.
  • Page 56: S I M 13. Remove Burner

    Initial Start-up, Inspection and Maintenance Steps (continued) 13. Remove burner Maintenance 1. Switch the burner OFF (shut off main service switch). 2. Shut off the gas supply. 3. Pull power cables from fan motor A, gas valve B and electrode block C.
  • Page 57: Check Burner Gasket And Cylinder Assembly For Damage

    Initial Start-up, Inspection and Maintenance Steps (continued) 14. Check burner gasket and cylinder assembly for damage Maintenance Check the burner gasket A and burner cylinder assembly D for damage and replace if necessay. Replace the cylinder burner assembly if damaged. 1.
  • Page 58: Check Condensate Drain And Clean Siphon (P-Trap)

    Initial Start-up, Inspection and Maintenance Steps (continued) 16. Check condensate drain and clean siphon (P-trap) Maintenance 1. Check the siphon to ensure IMPORTANT unimpeded drainage of condensate. 2. Remove all hoses from siphon A. If the condensate does not drain freely, condensate will accumulate 3.
  • Page 59: Clean Combustion Chamber/Heat Exchanger Surfaces

    Initial Start-up, Inspection and Maintenance Steps (continued) Maintenance 18. Clean combustion chamber/heat exchanger surfaces 1. Remove burner cover panel as per the removal instructions on page 55 in this manual, and reinstall panel upon completion of service work. 2. If necessary, clean the combustion Note: chamber A and heat exchanger Be careful not to scratch parts...
  • Page 60: Check Diaphragm Expansion Tank And System Pressure

    Initial Start-up, Inspection and Maintenance Steps (continued) 19. Check diaphragm expansion tank and system pressure Start-up and Maintenance Perform check on the system when cold. 1. Drain boiler/system and reduce pressure until the manometer reading is “0”. 2. If the nitrogen pressure of the Example precharged expansion tank is Static head of 33 ft.
  • Page 61: Check Gas Pipes And Fittings For Leaks

    Initial Start-up, Inspection and Maintenance Steps (continued) Start-up and Maintenance 21. Check gas pipes and fittings for leaks CAUTION WARNING Ensure all joints of gas line are The gas supply piping must be leak pressure tight and that gas valves tested before placing the boiler in do not leak when under normal operation.
  • Page 62: Troubleshooting Steps

    Troubleshooting Troubleshooting Steps 1. Establish fault message or Diagnosis diagnose behavior of system. 2. Look for corresponding cause of fault in the diagnostics table. 3. Find corrective measures in the table. 4. Perform corrective measures (page Correction 65 & 66). Start-up and Maintenance Overview of Controls and Indicators Controls and indicators are located...
  • Page 63: Changing Room Temperature

    Troubleshooting Overview of Controls and Indicators (continued) Legend A Heating mode pump output “ON” (when RT is closed) B DHW mode pump output “ON” (when DHW is closed) C Boiler water temperature in °F or fault code D Units for boiler water temperature measurement E Service mode F Current burner firing power rate...
  • Page 64: Diagnosis

    Troubleshooting Diagnosis Sequence of operation and potential faults during each start-up cycle Corrective action Call for heat by control (boiler water Increase boiler water set-point set-point temperature is 5º C / 9º F temperature and ensure that there is above current boiler water heat demand.
  • Page 65: Diagnostics Table: Faults With Fault Display On Control Unit

    Troubleshooting Diagnosis (continued) Faults are indicated by a flashing fault code with fault code symbol “U” on the display. For fault code explanations see the following table. Fig. 67 Diagnostics table: Faults with fault display on control unit Fault message in System behavior* Cause Corrective measures...
  • Page 66: How To Reset Faults

    Troubleshooting Diagnosis (continued) Diagnostics table: Faults with fault display on control unit (continued) Fault message in System behavior* Cause Corrective measures display window Burner in fault mode No flame signal is present. Check the ionization electrode and leads, check the gas pressure, check the gas combination valve, control unit and condensate drain.
  • Page 67: Correction

    Troubleshooting Correction Remove front panel 1. Loosen the screws at the bottom of the boiler; do not remove completely. 2. Remove the front panel. Start-up and Maintenance Fig. 69 Check boiler temperature sensor 1. Disconnect cables from boiler temperature sensor A. 2.
  • Page 68: Check Outdoor Temperature Sensor

    Troubleshooting Correction Check outdoor temperature sensor 1. Disconnect cables from outdoor sensor. 2. Measure resistance of the outdoor sensor and compare with resistance / outdoor sensor curve shown below. 3. If the value measured differs significantly, replace the sensor. In weather-compensated mode (optional), the boiler water temperature is regulated subject to the outside temperature.
  • Page 69: Determining The Boiler Set-Point

    Troubleshooting Correction Determining the boiler set-point Room dependent control: Outdoor temperature sensor not connected With no outdoor sensor installed, the “tr” dial will provide a constant temperature set-point for the boiler based on the dial position selected. Setting the dial between 1 and 6 will provide a set-point value of 81º...
  • Page 70: Check Fixed High Limit

    Troubleshooting Correction (continued) Check fixed high limit If the burner control unit cannot be reset after a fault shutdown (F2), even though the boiler water temperature is below approx. 203° F / 95° C, check the fixed high limit. 1. Pull the leads from fixed high limit 2.
  • Page 71: Check Fuses

    3. Remove power pump module cover plate B. Start-up and Maintenance 4. Check fuse F1 T6.3A (slow blow). Replacements fuses are available from Viessmann in packs of 10 Fuse (Part No. 7815 580). Fig. 75 Control unit fuse 1. Switch off main power supply.
  • Page 72: Electrical Connections To The Power / Pump Module (Room Thermostat And Dhw)

    Additional Information Electrical connections to the power / pump module (room thermostat and DHW) Legend A 0-10 V (field wiring) B Viessmann outdoor temperature sensor (field wiring) C Open Therm (field wiring) D Connection cable terminal E Power pump module...
  • Page 73: Input Module Description Ot (Open Therm) & 0-10V Reset Modules

    Additional Information Input Module Description OT (Open Therm) & 0-10V Reset Modules (field supplied) Signal translation protocol of 0-10 V & OT to boiler approximate supply temperature Max. boiler temp. The charts are applicable to 0-10V reset modules and OT devices if used with Vitodens 100 boilers.
  • Page 74: Technical Data

    Additional Information Technical Data Call for heat priority logic table The Vitodens 100-W, WB1B boiler has several operating control options. The following table provides the priority levels of each of the different operating controllers. Priority Control operating mode Required signal * Pump output Pump off delay Freeze protection...
  • Page 75 Additional Information Technical Data Setting of fixed high limit safety Rated voltage:....120 VAC Max. ambient temperature cut-out (fixed setting):....210º F at operation:...32º to 104º F (99º C) Rated frequency: .....60 Hz (0º to +40º C) Main fuse:......max. 15 A Rated current:.......6.0 A~ when storing and transporting:...-4º...
  • Page 76 For 5,000 to 10,000 ft. / 1,500 to 3,048 m operation, a coding address 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.
  • Page 77: Burner Program Sequence Of Operation

    Additional Information Burner Program Sequence of Operation Call for heat Fan control Fan required >1500 rpm >1500 rpm signal Ignition Combination gas valve Start-up and Maintenance Flame signal min. 4.2 s Sequence time max. 70 s *1 max. 20 s 0.9 s 0.3 s 0.12 s...
  • Page 78 Additional Information Burner Program Sequence of Operation (continued) Phase 8: Burner operation Phase 0: Stand by At the end of the flame stabilization Complete shutdown until the next period (5 sec.), a release for call for heat. In this phase both the modulation occurs and the burner combination gas valve and the blower temperature controller will take over...
  • Page 79: Wiring Diagram - Natural Gas / Propane

    Additional Information Wiring Diagram - Natural gas / Propane TO BOILER CONTROL BOARD PUMP Mains A1 - POWER PUMP MODULE HALL Start-up and Maintenance Start-up and Maintenance Boiler/burner control unit WARNING! DISCONNECT POWER BEFORE SERVICING BOILER. CAUTION! LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS.
  • Page 80: Parts List

    WB1B 26 7374861 WB1B 35 7374862 Ordering Replacement Parts: Please provide Model and Serial Number from rating plate A when ordering replacement parts. Order replacement components from your Viessmann distributor. Parts Gas connection pipe Front panel Burner gasket, d=187 x 5.5 mm...
  • Page 81 Additional Information Parts List Parts Heat exchanger assly, ASME Heat exchanger connection pipe (supply) Heat exchanger connection pipe (return) Spring clips (set) Fastener set (return pipe) Vent pipe adaptor P-Trap Gasket for flue gases Air intake cover Air intake cap Test port cap (set of 2) Start-up and Maintenance Wall-mount bracket...
  • Page 82 Additional Information Parts List Parts Pressure gage (PSI) Control console Control console cover Fuse, 2.5A/250V (pkg of 10) (for control console 080) Power/Pump control module Other Parts (not illustrated) Fuse, 6.3A/250V (pkg of 10) (for Power/Pump module 086) Control bracket Wiring harness, X20/X21 Connecting cable No.35 for gas valve...
  • Page 83: Maintenance Record

    5368 828 v1.6 Service Service Service Service Service Service Measurements Setpoint value date: date: date: date: date: date: max. Static pressure “w.c. 14 “w.c. Running pressure (supply pressure) 4-14 “w.c. Natural gas “w.c. 10-14 “w.c. Liquid Propane gas “w.c. Carbon dioxide content CO at lower end of rated input range vol.-% (low-fire)
  • Page 84: Lighting And Operating Instructions

    Additional Information Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING W A R N I N G: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A.
  • Page 85 Start-up and Maintenance Start-up and Maintenance...
  • Page 86 5368 828 v1.6...
  • Page 87 Start-up and Maintenance Start-up and Maintenance...
  • Page 88 Viessmann Manufacturing Company (U.S.) Inc. Viessmann Manufacturing Company Inc. 45 Access Road 750 McMurray Road Warwick, Rhode Island · 02886 · USA Waterloo, Ontario · N2V 2G5 · Canada 1-800-288-0667 · Fax (401) 732-0590 1-800-387-7373 · Fax (519) 885-0887 www.viessmann-us.com · info@viessmann-us.com...

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