Viessmann VITODENS 100-W Installation And Service Instructions Manual

Viessmann VITODENS 100-W Installation And Service Instructions Manual

Wall-mounted, gas-fired condensing boiler heating input 37 to 118 mbh 10.8 to 34.5 kw
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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 v1.1 08/2009
IMPORTANT
Read and save these instructions
for future reference.
 This trademark is registered with the U.S. Patent and Trademark Office.
Vitodens 100-W, WB1B
(with preinstalled coaxial vent pipe
adaptor)

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Summary of Contents for Viessmann VITODENS 100-W

  • Page 1 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.  This trademark is registered with the U.S. Patent and Trademark Office.
  • Page 2 Safety, Installation and Warranty Requirements 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.
  • Page 3: Table Of Contents

    ............. . Mounting Vitodens 100-W boiler .
  • Page 4 Index Control Connections Electrical Connections ..................Rotating the control unit and opening the power / pump module .
  • Page 5 Contact CAN/CSA-B149.1 or .2 Installation Viessmann for additional copies. Codes for Gas Burning Appliances for Canada. For U.S. installations use the This product comes with several National Fuel Gas Code ANSI Z223.1.
  • Page 6: Safety Important Regulatory And Installation Requirements

    Safety Important Regulatory and Installation Requirements (continued) 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified. 3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment.
  • Page 7 - Technical Data Manual operator/ultimate owner where the - Installation and Service Instructions literature can be found. Contact - Operating Instructions Viessmann for additional copies. and User’s Information Manual - Vitodens Venting System Installation This product comes with several Instructions safety instruction labels attached.
  • Page 8: General Information 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 the WARNING presence of potential hazards or important product information.
  • Page 9: Applicability

    An external controller is required for DHW production. The Vitodens 100-W comes factory set for operation with natural gas. Propane conversion kit is included with each boiler. Boiler model must be selected based on an accurate heat loss calculation of the building.
  • 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

    General Information Mechanical Room (continued) Installation area conditions Sources of combustion and ventilation WARNING air contaminants If you notice fire coming from the WARNING Areas likely to contain contaminants: appliance, call the fire department immediately! Do not attempt to Incorrect ambient conditions can lead H New building construction extinguish the fire unless qualified to to damage to the heating system and...
  • Page 12: Set-Up Before Set-Up

    Side 12” / 30 cm Refer to Fig. 2 and 3. Note: 12” / 30 cm Front The Vitodens 100-W boiler has passed Back 28” / 700 mm the zero inches vent clearance to 0” / mm combustibles testing requirements dictated by the boiler Harmonized 0”...
  • Page 13: Connections Overview

    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 10-26 and 10-35 (factory supplied) Legend...
  • Page 14: Boiler Connections Preparing The Connections

    (continued) Dimensions overview without bottom piping connections Top view Side view Fig. 5 Front view When preparing gas, water Connections Vitodens 100-W, and electrical connections in WB1B 10-26, 10-35 the field, see section entitled “Wall Mounting” on page 16 Legend...
  • Page 15: Boiler 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 14” / 15¾” / connections. ” 355mm 400mm 68 mm Piping connections for Vitodens 100-W, WB1B 10-26 and 10-35 (factory supplied) Legend...
  • Page 16: Wall Mounting

    Boiler Connections Boiler Connections Wall Mounting Wall mounting bracket installation The Vitodens 100-W can be wall-mounted on H a brick/concrete wall H wood studs H 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 (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 a = 16”...
  • Page 18: Mounting Vitodens 100-W Boiler

    16 of this manual. Fig. 13 Connections Flue gas connection The Vitodens 100-W boiler comes with a preinstalled vent pipe adaptor (as shown). Run venting system, single-pipe, double-pipe or coaxial, through the side wall or the roof, taking the shortest possible route and at a rising angle (min.
  • 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 end threads bare Fig.
  • 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 supply WARNING piping system using the individual manual shutoff valve during pressure Never check for gas leaks with an tests equal to or less than ½...
  • Page 22: Heating Water Connections

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

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

    Boiler Connections Safety Connections and Pressure Testing Installing safety devices on the boiler 1. Remove loosely preassembled Minimum connection diameters: combination pressure relief valve and Pressure relief valve ¾“ ......drain valve assembly.
  • 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 boiler pressure from boiler by opening is connected to piping or electrical boiler drain valve slowly, remove power supply, it must be caps from supply and return...
  • Page 26: Installation Examples

    Specific system layouts may maintained. In cases where the pipes be further discussed with the local are insulated with pipe insulation of Viessmann sales representative office. appropriate and sufficient thickness and insulation values, the above clearance may be reduced to 0” (refer to local gas codes).
  • Page 27 (continued) Pressure drop (primary circuit) of Vitodens 100-W A low-loss header must be used when the The Vitodens 100-W is designed only for closed loop, system flow rate exceeds the maximum forced circulation hot water heating systems. (or minimum) flow rate of the Vitodens 100-W boiler.
  • Page 28 Boiler Connections Installation Examples (continued) System Layout 1 Vitodens 100-W, WB1B 10-26, 10-35 with... – one heating circuit Legend T- - T AV Air vent PRV Pressure relief valve Vitodens 100-W Room thermostat Heating circuit Heating circuit pump (field supplied)
  • Page 29 Boiler Connections Installation Examples (continued) System Layout 2 Vitodens 100-W, WB1B 10-26, 10-35 with... – DHW storage tank – low-loss header – one heating circuit Air vent PRV Pressure relief valve TPV Temperature and pressure relief valve Vitodens 100-W gas-fired...
  • Page 30 Boiler Connections Installation Examples (continued) System Layout 3 Vitodens 100-W, WB1B 10-26, 10-35 with... – DHW storage tank – one heating circuit Air vent Pressure relief valve Temperature and pressure relief valve Vitodens 100-W gas-fired condensing boiler External boiler/DHW controller...
  • Page 31 Boiler Connections Installation Examples (continued) System Layout 4 Vitodens 100-W, WB1B 10-26, 10-35 with... – DHW storage tank – Low-loss header – one high-temperature heating circuit – one low-temperature heating circuit – Viessmann Vitotronic 050, HK1M controller See next page for notes and explanation of this drawing.
  • Page 32 Boiler Connections Installation Examples (continued) Wiring diagram for system layout 4 [20] [40] ROOM THERMOSTAT F1 F2 Vitotronic 050, Model HK1M Digital Indoor/ Outdoor Heating Circuit Control Unit R1 R2 120V & Power Pump Module PUMP Vi.PN 7134627 See Installation Instruction 120VAC/ specific to each control F1 T...
  • Page 33 Boiler Connections Installation Examples (continued) System Layout 4 Installation of heating circuits: Note 1 Note 2 - radiator heating circuit (high Optional high limit safety control of The heating circuit pump logic output heating circuit E. temperature circuit) of the Vitotronic 050 is used to - underfloor heating circuit with 3-way (During DHW production with DHW energize the RT (room thermostat)
  • Page 34: Boiler In Heating/Cooling Application

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

    Note: The Vitodens 100-W boiler has a built-in flow switch, which may be accepted by local codes in lieu of a low water cut-off. Fig. 29 Boiler below radiation...
  • Page 36: Low-Loss Header

    Boiler circuit flow rate primary When used in conjunction with the Heating circuit flow rate secondary Vitodens 100-W boiler, the low-loss Bypass flow rate bypass header acts as hydraulic break, Heat supplied by boiler primary decoupling boiler and system circuits...
  • Page 37: Venting Connection

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

    The boiler will adjust the heat input accordingly (low-high modulation). 4 3 2 1 Legend A 0-10 V (field wiring) B Viessmann outdoor temperature sensor (field wiring) C Open Therm (field wiring) D Connection cable terminal 0-10 V 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. 39...
  • Page 40: Necessary Tools

    Start-up, Inspection and Maintenance Necessary Tools Special items H Approved leak detection fluid for natural gas H Pipe joint sealant H Garden hose for pressure testing Testing/analysis equipment H Multimeter to measure Use only calibrated equipment. 0 - 12 A, 120 V and Ω resistances H Flue gas analyzer to measure % CO 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. 41. 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) 8 8 8 C Boiler water temperature in °F or fault code ºF D Units for boiler water temperature...
  • Page 43: Overview Of Components

    Start-up, Inspection and Maintenance Overview of Components Fig. 43 Legend A Fixed high limit, 210°F / 99°C Burner mounting flange assembly Heat exchanger / flue gas B Ignition / ionization electrode Boiler temperature sensor collector C Flow switch, VK315M Radial fan Control console flame safeguard D P-trap Air / gas inlet Venturi...
  • Page 44: Procedure (Overview)

    ....................... . . 5. How the Vitodens 100-W boiler operates...
  • Page 45: Steps

    Initial Start-up, Inspection and Maintenance Steps Start-up 1. Fill and vent heating system ervice 1. Open system isolation valves (if Please 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: Fill And Vent The Heating System

    2. Check power supply connection ervice A power module is supplied with the IMPORTANT Vitodens 100-W boiler, which requires a 120 VAC power supply. In Canada all electrical wiring is to be The voltage at connector X3 must be done in accordance with the latest 120 V (see wiring diagram).
  • Page 47: Select Appropriate Gas Type

    2. Record fuel type in Maintenance Record on page 83. The Vitodens 100-W boiler is for use with gases whose characteristics fall within the following ranges. Do not use any other types of gas. Natural gas Propane gas...
  • Page 48 Initial Start-up, Inspection and Maintenance Steps (continued) Start-up and Maintenance 4. Measure static pressure and running pressure (continued) ervice Running pressure 8. All measurements must be made Use suitable measuring instruments under high-fire conditions. calibrated with a minimum resolution Measure the running pressure; value of 0.04 “w.c.
  • Page 49: How The Vitodens 100-W Boiler Operates

    5. How the Vitodens 100-W boiler operates... ervice 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. The gas is injected upstream of the blower. The burner and heat exchanger are part of a forced-draft design.
  • Page 50: Relay Tests

    Steps (continued) 6. Relay tests Start-up and Maintenance ervice The Vitodens 100-W boiler is factory If the CO value measured lies more preset for operation with natural gas. It than 1% outside the stated range, is recommended that a CO...
  • Page 51 Initial Start-up, Inspection and Maintenance Steps (continued) 6. Relay tests (continued) Start-up and Maintenance ervice 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 balanced flue system.
  • Page 52: High Altitude Testing

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

    Multiply this number by the heating value of the gas to obtain Btu per hour input. For example: A Vitodens 100-W boiler (118 000 Btu/h input) requires 305 seconds to use 10 cu. ft. of natural gas. After contacting the local utility, you find the heating value is e.g.
  • Page 54: Check All Primary And Secondary Circuit Connections For Leaks

    Initial Start-up, Inspection and Maintenance Steps (continued) Start-up and Maintenance 9. Check all primary and secondary circuit connections for leaks ervice 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 ervice For sealed combustion, coaxial vent only Viessmann strongly recommends that If higher CO values or lower O values the heating contractor perform a are measured, check venting system simplified leak test during boiler thoroughly.
  • Page 56: Remove Burner

    Initial Start-up, Inspection and Maintenance Steps (continued) 13. Remove burner Maintenance ervice 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 ervice Check the burner gasket and burner cylinder assembly for damage and replace if necessay. Replace the cylinder burner assembly if damaged. 1. Remove electrode block 2.
  • 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 ervice 1. Check the siphon to ensure IMPORTANT unimpeded drainage of condensate. 2. Remove all hoses from siphon If the condensate does not drain freely, condensate will accumulate in bottom 3.
  • Page 59: Clean Combustion Chamber/Heat Exchanger Surfaces

    Initial Start-up, Inspection and Maintenance Steps (continued) 18. Clean combustion chamber/heat exchanger surfaces Maintenance ervice 1. Remove burner cover panel as per the removal and reinstallation instructions on pages 56 and 61 in this manual, and reinstall panel upon completion of service work. 2.
  • Page 60: Check Diaphragm Expansion Tank And System Pressure

    Initial Start-up, Inspection and Maintenance Steps (continued) Start-up and Maintenance 19. Check diaphragm expansion tank and system pressure ervice 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 less Static head of 33 ft./10 m...
  • 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 ervice WARNING CAUTION The gas supply piping must be leak Ensure all joints of gas line are tested before placing the boiler in pressure tight and that gas valves do operation.
  • Page 62: Troubleshooting Steps

    Troubleshooting Troubleshooting Steps Diagnosis 1. Establish fault message or diagnose behavior of system. 2. Look for corresponding cause of fault in the diagnostics table. Diagnosis 3. Find corrective measures in the table. Correction 4. Perform corrective measures (page 65 & 66). Overview of Controls and Indicators Controls and indicators are located behind the hinged front cover.
  • 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” 8 8 8 (when DHW is closed) C Boiler water temperature in °F or ºF fault code D Units for boiler water temperature...
  • Page 64: Diagnosis

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

    Troubleshooting Diagnosis (continued) Faults are indicated by a flashing fault code with fault code sysmbol “ ” on U U U U the display. For fault code explanations see the following table. Fig. 65 Diagnostics table: Faults with fault display on control unit Fault System behavior Cause...
  • Page 66: How To Reset Faults

    Troubleshooting Diagnosis (continued) Diagnostics table: Faults with fault display on control unit (continued) Fault System behavior Cause Corrective measures message in 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: Remove Front Panel

    Troubleshooting Correction Remove front panel 1. Loosen the screws at the bottom of the boiler; do not remove completely. 2. Remove the front panel. Fig. 67 Check boiler temperature sensor 1. Disconnect cables from boiler temperature sensor A. 2. Measure resistance of the boiler temperature sensor and compare with resistance/boiler water temperature curve shown on the...
  • 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 ºF ºC Room dependent control: 194 90 Outdoor temperature sensor not connected 176 80 With no outdoor sensor installed, the “tr r “ dial will provide a constant 158 70 temperature set-point for the boiler based on the dial position selected.
  • 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

    . Also refer to pages 37 and 38. 3. Remove power pump module cover plate 4. Check fuse F1 T6.3A (slow blow). Replacements fuses are available from Viessmann in packs of 10 (Part No. 7815 580). Fuse F1 T6.3A ¾”/20mm ¼”/5mm Fig.
  • Page 72: Additional Information

    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: Signal Translation Protocol

    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 The charts are applicable to 0-10V Max. boiler temp. º º F/ 80 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...
  • Page 75 Additional Information Technical Data Rated voltage: 120 VAC Max. ambient Setting of fixed high limit Rated frequency: 60 Hz temperature safety cut-out: 210ºF Rated current: 6.0 A~ H at operation: 32 to 104ºF (fixed setting) 99ºC 0 to +40ºC H when storing Main fuse: max.
  • 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 >1500 rpm >1500 rpm min. 4.2 s max. 4.8 s max. 70 s max. 20 s 0.9 s 0.3 s 0.12 s 1.4 s 50 seconds for no flame present check and 20 seconds for blower stand-stil check (total 70 seconds). 20 second fan operation if flame failure is detected.
  • Page 78 Additional Information Burner Program Sequence of Operation (continued) Phase 0: Stand by Phase 8: Burner operation Complete shutdown until the next call At the end of the flame stabilization for heat. In this phase both the period (5 sec.), a release for combination gas valve and the blower modulation occurs and the burner are not energized.
  • Page 79: Wiring Diagram - Natural Gas / Propane

    Additional Information Wiring Diagram - Natural gas / propane...
  • Page 80: Parts List

    WB1B 35 7374862 Ordering Replacement Parts: Please provide Model and Serial Number from rating plate when ordering replacement parts. Order replacement components from your Viessmann distributor. Parts Gas connection pipe Front panel Burner gasket, d=187 x 5.5mm Combustion chamber door refractory...
  • Page 81 Additional Information Parts List Parts Heat exchanger assly, ASME Heat exchanger connection pipe (supply) Heat exchanger connection pipe 009 015 (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) Wall-mount bracket Combustion chamber refractory...
  • 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) Connection box (Power/Pump module) Other Parts (not illustrated) Fuse, 6.3A/250V (pkg of 10) (for connection box (Power/Pump module) 086) Sensor #1 (outdoor temperature sensor) Control bracket...
  • Page 83 5368 828 v1.1 Service Measurements Service Service Service Service Setpoint value Service date: date: date: date: date: date: max. Static pressure “w.c. 14 ”w.c. Running pressure (supply pressure) 4-14 ”w.c. j Natural gas “w.c. Carbon dioxide content CO H at lower end of rated input range vol.-% (low-fire) H at upper end of rated input range...
  • Page 84: Lighting And Operating Instructions

    Additional Information Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING Parts List (continued) 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 5368 828 v1.1...
  • Page 86 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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