Viessmann B2HB008 Installation Instructions Manual Download Page 26 | Manualshive

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Vitodens 200-W B2HB 19 to 35, 68 to 125 Installation

5461 884 - 14

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Boiler Connections

Connections

(continued)

OUTDOOR

TEMPERATURE

SENSOR

DHW

TEMPERATURE

SENSOR

Boiler control base
Note:

See wiring diagram on page 45 for connection to

the external accessory connection box.

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Summary of Contents for B2HB008

Page 1: ...ons Vitodens 200 W B2HB Models 19 26 35 68 94 125 Wall mounted gas fired condensing boiler For operation with natural gas and liquid propane gas Heating input 12 to 125 MBH 3 5 to 37 kW VITODENSr 200 W Read and save these instructions for future reference Product may not be exactly as shown IMPORTANT H ...

Page 2: ...ore the heating season begins Carbon monoxide Improper installation adjustment service and or maintenance can cause flue products to flow into living space Flue products contain poisonous carbon monoxide gas For information pertaining to the proper installation adjustment service and maintenance of this equipment to avoid formation of carbon monoxide please see subsection entitled Mechanical room ...

Page 3: ...rth defects and other reproductive harm Always use proper safety clothing respirators and equipment when servicing or working nearby the appliance The state of California has listed the airborne fibers of these materials as a possible cancer hazard through inhalation When handling these materials special care must be applied First aid measures If eye contact occurs flush eyes with water to remove ...

Page 4: ...earances 10 Preparing the Connections 11 Wall Mounting 13 Fitting the wall mounting bracket 13 Installing the wall mounting bracket 13 Installation of mounting bracket on brick concrete wall 13 Boiler mounting bracket 14 Installation on wood studs 14 Installation on metal studs 14 Mounting the boiler 15 Frame Mounting 16 Boiler mounting bracket and frame 16 Mounting the boiler 17 Connections 18 Co...

Page 5: ...ctions Models B2HB 19 26 35 68 94 and 125 45 Electrical Connections 47 Power supply connection of accessories 47 Connection of accessories 47 Accessing the X3 Plug 48 Connecting the Low loss Header Sensor 48 Connecting the Outdoor Temperature Sensor 49 External 0 10 Volt Signal Connection 50 Connecting a 24VAC Thermostat 51 Thermostat Connection 52 Pump Connection 53 LON Module 54 Installing the L...

Page 6: ...in power supply to equipment the heating system and all external controls has been deactivated Close main gas supply valve Take precautions in all instances to avoid accidental activation of power during service work The following topics must be covered Proper system operation sequence Explain the equipment Demonstrate an emergency shut down what to do and what not Explain that there is no substit...

Page 7: ...pment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions...

Page 8: ...r for weather responsive operation in closed loop forced circulation hot water heating systems for space heating and domestic hot water DHW production Models B2HB 19 26 35 68 94 125 are for operation with natural gas For a fuel conversion to liquid propane gas refer to the service instructions for details Boiler model must be selected based on an accurate heat loss calculation of the building Ensu...

Page 9: ... H Garages with workshops H Furniture refinishing areas H Dry cleaning laundry areas and establishments H Auto body shops H Refrigeration repair shops H Metal fabrication plants H Plastic manufacturing plants H Photo processing plants H Beauty salons Products containing contaminants H Chlorine type bleaches detergents and cleaning solvents found in household laundry rooms H Paint and varnish remov...

Page 10: ...ce Table 1 Clearances Top Front Rear Left Right Vent pipe 0 0 AL CL 0 0 0 0 Recommended minimum service clearances For typical Vitodens installations Viessmann recommends installing the boiler with the clearances shown in the illustration on the left Note The 12 in 305 mm side clearance specified is only recommended to be able to view the boiler certified rating plate decal and also accommodate th...

Page 11: ...an overview only Refer to subsequent sections for detailed information on individual piping connections Legend DR Boiler heating return for domestic hot water production DS Boiler heating supply for domestic hot water production BD Boiler Drain BF Boiler Fill BR Boiler Return BS Boiler Supply GC Gas Connection PRVPressure Relief Valve 1 See page 42 for alternate DHW connection 2 Temperature gauge ...

Page 12: ...ction specific section for details 2 See subsection entitled Electrical Connections for details regarding power supply to the Vitodens 200 W B2HB boiler IMPORTANT The maximum ambient temperature must not exceed 104ºF 40ºC Legend A Boiler Supply B Gas Connection in NPTF C Boiler Return D Recommended height single boiler system E Condensate drain F Combustion air intake left or right G Combustion ai...

Page 13: ...ds Installation of mounting bracket on brick concrete wall 1 Drill holes 7 31 64 in 12 mm 2 Install rawl plugs and screw mounting bracket to wall 3 Ensure the mounting bracket is level CAUTION Whichever mounting method is used ensure that the bracket is tightly and securely fastened to wall Failure to secure boiler properly could cause boiler to loosen posing a severe safety hazard Fitting the wal...

Page 14: ...as per illustration Drill f in pilot holes to insert anchors Ensure that holes are located in the center of each metal stud Use appropriate fasteners to mount to metal studs not supplied Secure with bolts to metal studs as shown Ensure the mounting bracket is level Boiler mounting bracket Install the boiler mounting bracket to the wall studs Ensure the mounting bracket is level To mount on wood or...

Page 15: ...bottom of the boiler do not remove completely 3 Remove the front enclosure panel lift up and pull away from the boiler 4 Mount boiler onto the mounting bracket 5 Ensure the boiler is level Note For draining of the condensate see page 28 6 Install supplied installation fittings as per layout see page 11 CAUTION The boiler must be level both vertically and horizontally to ensure proper draining of t...

Page 16: ...i model KB TZ e x 4 or equivalent The Vitodens 200 W model B2HB does not come with a mounting template The wall location for the frame mounting bracket and all vents must be field calculated Boiler mounting bracket and frame 1 Attach the wall mounting bracket supplied with the boiler to the boiler mounting frame using the supplied hardware Ensure that the wall mounting bracket is level 2 Move the ...

Page 17: ...lift up and pull away from the boiler 4 Mount boiler onto the mounting bracket and ensure the boiler is securely mounted Then install the holding bracket to the frame on top of the boiler 5 Adjust the levelling screws to ensure the boiler is level 6 Connect the boiler to the installation fittings CAUTION The boiler must be level both vertically and horizontally to ensure proper draining of the con...

Page 18: ...Code ANSI Z223 1 NFPA 54 as well as local codes 2 Connect gas shutoff valve to the boiler gas connection 3 Once connected close gas shutoff valve on boiler Connecting power The Vitodens 200 W boiler has an external accessories connection box installed which requires a 120VAC 12A power supply Refer to the wiring diagram see page 45 WARNING Remove outer gasket if single wall boiler room air dependan...

Page 19: ...f units lights or runs IMPORTANT Design piping layout in such a way that piping does not interfere with serviceable components IMPORTANT Max gas supply pressure 14 w c WARNING The gas supply piping must be leak tested before placing the boiler in operation 2 Before connecting boiler to gas line install ground joint union capped drip leg and a manual equipment shutoff valve as shown Valves must be ...

Page 20: ...th an open flame WARNING Exposing boiler gas pressure regulator and gas valve to extreme pressures renders warranty null and void Heating water connections 1 Thoroughly flush heating system particularly before connecting the boiler to an existing system 2 Connect boiler to the heating system Legend DR Boiler heating return for domestic hot water production DS Boiler heating supply for domestic hot...

Page 21: ...ks locate the DHW temperature sensor well and install the DHW temperature sensor using the installation instructions provided with the DHW storage tanks IMPORTANT Follow the Installation Instructions supplied with the Viessmann DHW storage tank when mounting and securing DHW tank temperature sensor WARNING If a DHW storage tank other than a Viessmann Vitocell 100 or 300 tank is used the installer ...

Page 22: ...control unit connections 1 Remove both screws from the junction box cover and set screws aside 2 Loosen both retaining screws as shown do not remove 3 Pull the external accessory connection box forward until the retaining screws are clear of the guides built into the rails 4 Swing the external accessory connection box down ...

Page 23: ... connection box cover forward 6 Pull the cover up to clear the locating pins and out to remove then set aside 7 Slide both sides of the programming unit cover closed 8 Release the hinged hooks located on both sides of the control unit 9 To open hinged cover lift cover and then fold down the control unit 10 Release locking tabs as shown 11 Remove cover ...

Page 24: ...ts they will be damaged When routing and securing connecting cables on site ensure that the maximum permissible temperatures for these cables are not exceeded Remove the existing cable grommet when using larger wire cable size up to 9 16 in 7 14 mm Secure the cable with the cable grommet plugged into the lower casing section orange Legend A Low voltage connections B 120V connections C Internal ext...

Page 25: ...ers In the factory default setting the boiler is equipped to operate in altitudes of up to 5 000 ft 1 500 m Altitude can be set using coding address 93 in coding level 2 General Field Connection Connection X9 Connector boiler control board Install DHW tank temperature sensor as described in the Vitocell Installation Instructions supplied with the DHW storage tank See Vitodens 200 W B2HB Service In...

Page 26: ...o 125 Installation 5461 884 14 26 Boiler Connections Connections continued OUTDOOR TEMPERATURE SENSOR DHW TEMPERATURE SENSOR Boiler control base Note See wiring diagram on page 45 for connection to the external accessory connection box ...

Page 27: ...RIES ie VITOTROL REMOTE OR MIXING VALVE PUMP 120 1 60 12 Amps full load amperage POWER SUPPLY WITH DISCONNECT AND PROTECTION IMPORTANT Electrical installations must comply with the latest edition of In the U S A the National Electrical Code NEC ANSI NFPA 70 and any other state local codes and or regulations In Canada the Canadian Electrical Code CEC CSA C22 1 Part 1 and any other province territor...

Page 28: ... or vented drain as close to the boiler as possible to prevent siphoning of the boiler drain 1 Install the condensate drain pipe with a suitable gradient Pull the condensate hose so far out of the boiler that no unnecessary bends are created inside the boiler Check tightness of siphon connection IMPORTANT Pipe ventilation must take place between the siphon trap and the neutralization unit if appli...

Page 29: ...MPORTANT Install the approved factory supplied pressure relief valve Removal of air from the system must occur via use of air vent s in the system supply To ensure the boiler can be purged of all air ensure supply return water lines do not contain restrictive piping where air could be trapped WARNING Do not install an isolation valve between boiler and pressure relief valve The discharge pipe for ...

Page 30: ...es Viessmann therefore strongly recommends and prefers the use of a low loss header over closely spaced tees Refer to the Technical Data manual for low loss header information Model B2HB 26 94 1 boiler Output NG LPG MBH 88 t for NG LPG 20ºF 11ºC rise GPM L h 8 8 1999 25ºF 14ºC rise GPM L h 7 0 1599 30ºF 17ºC rise GPM L h 5 9 1332 35ºF 19 5ºC rise GPM L h 5 0 1142 40ºF 22ºC rise GPM L h 4 4 999 Boi...

Page 31: ...15 58 3 speed Taco 0015 Wilo Star S 21 FX Before using the following pumps for a DHW tank application find out the proper pressure drop through the tank the required temperature difference through the coil and system piping head loss of the domestic hot water Low Loss Header Application Sizing of Low Loss Header in a Residential Single Boiler Application 1 For system t 20 F use low loss header siz...

Page 32: ... the Viessmann Price List Please note that the following examples are simplified conceptual drawings only Piping and necessary componentry must be field verified A low water cut off LWCO must be installed where required by local codes Proper installation and functionality in the field is the responsibility of the heating contractor IMPORTANT DHW supply and return piping between boiler DHW connecti...

Page 33: ...concerned exceeds the values shown in the applicable table on page 30 or if the system flow rates are unknown The low loss header is available as accessory part See following pages for installation examples with a low loss header DHW circulating pump F must pump into the Vitodens 200 W boiler as illustrated IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset contro...

Page 34: ...ned exceeds the values shown on page 30 or if the system flow rates are unknown The low loss header is available as accessory part Please note location of expansion tank DHW circulating pump F must pump into the Vitodens 200 W B2HB boiler as illustrated IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset control B Outdoor temperature sensor C Vitotrol remote option...

Page 35: ...eat exchanger must be made of corrosion resistant materials Sizing of field supplied pump P is critical for proper boiler operation in this system layout See page 30 for the water flow pressure drop of the boiler heat exchanger An undersized pump may cause short cycling and or improper operation of the boiler Viessmann STRONGLY recommends using a low loss header and a boiler pump in this system la...

Page 36: ...ceeds the values shown on page 30 or if the system flow rates are unknown The low loss header is available as accessory part See following pages for additional installation examples with a low loss header The 3 way mixing valve built in to achieve the low temperature level of the under floor heating circuit is controlled by an accessory kit for a heating circuit with mixing valve IMPORTANT Legend ...

Page 37: ...rt The 3 way mixing valve built in to achieve the low temperature level of the under floor heating circuit is controlled by an accessory kit for a heating circuit with mixing valve DHW circulating pump O must pump into the Vitodens 200 W B2HB boiler as illustrated IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset control B Outdoor temperature sensor C Vitotrol re...

Page 38: ... valve built in to achieve the low temperature level of the under floor heating circuit is controlled by an accessory kit for a heating circuit with a mixing valve DHW circulating pump S must pump into the Vitodens 200 W B2HB boiler as illustrated IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset control B Outdoor temperature sensor C Vitotrol remote optional D U...

Page 39: ...re level of the under floor heating circuit is controlled by an accessory kit for a heating circuit with mixing valve I The boiler pump 20 supplies the radiator heating circuit and the plate heat exchanger for system separation The pressure drop secondary circuit of the plate heat exchanger F must be less equal to the pressure drop of the 3 way mixing valve This must be taken into account when siz...

Page 40: ...oss header is strongly recommended The low loss header is available as accessory part Legend A Vitodens 200 W boilers B DHW storage tank C DHW pump output 21 D Boiler pump output 20 E Low loss header F Thermostat zone circuits 1 2 3 dry contacts G Zone circuit 1 output 157 H AM1 extension module accessory I Zone circuit 2 output A1 AM1 extension module J Zone circuit 3 output A2 AM1 extension modu...

Page 41: ... tank N Pumps C and K must pump into the Vitodens 200 W B2HB boiler as illustrated IMPORTANT IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset control B Outdoor temperature sensor C Boiler pump 20 D Vitotronic 200 H HK1B 1 E Mixing valve temperature sensor F Heating circuit pumps G Accessory kit for heating circuit with mixing valve H Heating circuits with mixing...

Page 42: ... for the DHW tank only and applies to system layouts 2 5 6 and 8 The boiler control pump logic function must be programmed in the Service Instructions Note When using a low loss header in the system the DHW connections can be made downstream of the low loss header See Vitodens 200 W B2HB Service Instructions for applicable system coding information see coding level 2 00 A2 5b ...

Page 43: ...tration on the left The boiler piping system of a hot water heating boiler connected to heating coils located in air handling units where they may be exposed to refrigerated air circulation must be equipped with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle Check installation instructions of the chiller manufacturer careful...

Page 44: ...ealing or shielding of the exposed surfaces with a corrosion resistant material e g aluminum sheeting may be required to prevent staining or deterioration The protective material should be attached and sealed if necessary to the building before attaching the vent termination It is strongly recommended to install the vent termination on the leeward side of the building For low water cut off wiring ...

Page 45: ...ires as supplied with the appliance must be replaced it must be replaced with the exact equivalent CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Only one function accessory may be assigned to each connection WARNING DISCONNECT POWER BEFORE SERVICING BOILER ...

Page 46: ...or 20 Boiler Pump 21 DHW Pump 21 Pump Output Connection 28 20 Programmable Pump Output zone circuit pump output 33 Flow Switch 35 Gas Valve 40 Power Supply 40A Accessory Power Output 47 Fixed High Limit 53 Powered Accessory Connection 54 Ignition Transformer 96 Powered Accessory Connection 100 Fan Motor 100A Fan Motor Control 111 Not Used 145 KM BUS Multi Powered Accessory Connection 156A Switched...

Page 47: ...tronic 200 H HK1B mixing valve control H accessory kit for heating circuit with mixing valve H remote switching of operating mode H remote disable H alarm output H wall mount base H circulating pump IMPORTANT It is essential to route cables as illustrated to ensure freedom of movement of control unit IMPORTANT Cables in the vicinity of the control unit must not be secured to the control unit brack...

Page 48: ...ug 1 Remove the control unit cover see page 23 2 Remove the X3 plug from the control board Install the required sensors as per instructions Reinstall the control cover 1 Connect the low loss header sensor if LLH is used to terminals X3 4 X3 5 on the boiler control board Connecting the Low loss Header Sensor ...

Page 49: ...e boiler control board wires are interchangeable 5 Place cover on base and snap into place IMPORTANT The outdoor temperature sensor should be mounted 6 6 to 8 2 ft 2 to 2 5 m above ground level on the north or northwest wall of the building In case of a multi storey building mount outdoor temperature sensor in the upper half of the second floor Ensure that sensor is not located above windows doors...

Page 50: ...l 0 10 Volt Signal Connection 1 Connect the external 0 10V signal to plug 0 10V located in the extension module EA1 2 Ensure correct polarity 3 See chart for maximum possible boiler water temperature and required signal Example Voltage to temperature setpoint 8VDC 176ºF 80ºC Extension Module EA1 ...

Page 51: ...water temperature is limited by this set value and the electronic supply temperature maximum limit Codes Extension EA1 Set 3A 3B or 3C in the General group to 2 Note Live contacts lead to short circuits or phase failure The external connection must be potential free Note When only using a thermostat field supplied for room temperature control the boiler standard and reduced room temperature set po...

Page 52: ...tat Connection Legend A Room thermostat dry contact zone circuit 1 B Room thermostat dry contact zone circuit 2 C Room thermostat dry contact zone circuit 3 D EA1 module integrated into the boiler Refer to the boiler Installation Instructions for locating and accessing the integrated EA1 module ...

Page 53: ...p wizard A maximum of 2 zone circuit pumps can be connected to the boiler additional pumps will require the use of an AM1 extension module Connection at AM1 accessory Pump output assignment is done using the start up wizard Refer to the boiler Service Instructions for start up instructions Refer to the AM1 extension module Installation Instructions for additional details ...

Page 54: ...he LON module to the boiler control board 1 Remove the control cover see page 23 2 Insert the LON module into the boiler control board 3 Connect the LON connector cable to the LON module LON Module Connecting the LON module cable Boiler Control See the Vitotronic 200 H HK1B Installation Instructions ...

Page 55: ...c control Accessory kit connections for heating circuit with mixing valve Closing the Control Unit Closing the control cover 1 Install the cover onto the control board 2 Flip the control board back into position 3 Secure the locking tabs as shown Boiler Control Extension Module EA1 KM Bus Accessory For details on coding and connection to the control refer to the Vitodens 200 W B2HB Service Instruc...

Page 56: ...nection Box Closing the External Accessory Connection Box 4 Tilt the top of the external accessory connection box cover forward 5 Drop down over the locating pins and set the cover in place 6 Swing the external accessory connection box up 7 Push the external accessory connection box in until the holding screw is in place ...

Page 57: ...es Do not remove any of these instructions Contact Viessmann if any replacement labels are required Reinstalling the Front Enclosure Panel Note Ensure the locking screws are fitted before operating Instructing the system user The system installer should hand the operating instructions to the system user and instruct the user in operating the system Control Connections Closing the External Accessor...

Page 58: ...content USG L 1 02 3 88 1 02 3 88 1 02 3 88 Boiler max flow rate 4 GPM L h 6 2 1400 6 2 1400 6 2 1400 Max operating pressure at 210ºF 99ºC psig bar 45 3 45 3 45 3 Boiler water temperature Adjustable high limit AHL range space heating steady state DHW production Fixed high limit FHL ºF ºC ºF ºC ºF ºC 68 to 165 20 to 74 165 74 210 99 68 to 180 20 to 82 185 82 210 99 68 to 180 20 to 82 185 82 210 99 ...

Page 59: ...ion coaxial outer Ø in mm 4 100 4 100 4 100 Sound Rating at maximum input at minimum input dB dB 41 35 48 36 51 36 5 Measured flue gas temperature with a combustion air temperature of 68 F 20 C 6 Based on maximum input rate 7 Requires 1 inch 25 mm tubing See the Installation Instructions of the Vitodens 200 W B2HB for details 8 For side wall vent installations coaxial system Do not exceed max equi...

Page 60: ...0312 Pressure relief valve 30 psig Other Parts not illustrated 0309 Accessory pack metal stud mount kit 0311 Outdoor temperature sensor 0316 Air bleed key 0325 Parts List Installation Fittings 0350 Temperature gauge 2 in 30 250ºF 1 0351 Temperature sensor immersion for DHW production NTC 0352 Temperature sensor immersion for low loss header NTC if low loss header installed 1 Install anywhere in su...

Page 61: ...e or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label 2 Set thermostat or other operating control to lowest setting 3 Turn off all ele...

Page 62: ...Vitodens 200 W B2HB 19 to 35 68 to 125 Installation 5461 884 14 62 ...

Page 63: ...Vitodens 200 W B2HB 19 to 35 68 to 125 Installation 63 5461 884 14 ...

Page 64: ...Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper 5461 884 14 Vitodens 200 W B2HB 19 to 35 68 to 125 Installation ...

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