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Vitodens 200-W, B2HB 19 to 35 Technical Data

39

5461 883 - 02

Overview of Electrical Connections, Models B2HB 19, 26 and 35 

(continued)

Wiring Diagram

Boiler Control

External Accessory Connection Board

Pump Connection Interface

Extension Module EA1

KM-BUS for External Devices

Electrical Junction Box

Field Wiring Connections

A1 Main Board
A2 Internal Power Supply Unit
A3 Optolink
A4 Burner Control Unit
A5 Programming Unit
A6 Coding Card
A7 Connection Adaptor
A8 LON Communication Module
S1 ON/OFF Switch
S2 Reset Button

X.. Electrical Interface

Legend

    1 

Outdoor Temperature Sensor

    2 

Supply Temperature Sensor/Low Loss Header

    3 

Boiler Temperature Sensor

    5 

DHW Temperature Sensor

   11 

Ionization Electrode

   15 

Flue Gas temperature Sensor

   20 

Boiler Pump

   21 

DHW Pump

  [21] 

Pump Output Connection

 28/20  Programmable 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 Output F2
 156B  Switched Output F1
  DE1 

Digital Input 1 (Dry Contact)

  DE2 

Digital Input 2 (Dry Contact)

  DE3 

Digital Input 3 (Dry Contact)

 0-10V  0-10VDC Input
  157 

Fault Alarm/DHW Recirc. Pump*

  190 

Gas Modulation Coil

* See wiring diagram
 

Summary of Contents for VITODENS 200-W 19

Page 1: ...Gas Gas fired wall mounted condensing boiler 12 to 125 MBH 3 5 to 37 kW Product may not be exactly as shown Vitodens 200 W Series B2HB Models 19 26 and 35 Gas Fired Wall Mounted Condensing Boiler with...

Page 2: ...Maintenance with Lambda Pro industry first intelligent combustion management system Adjusts automatically to gas type and quality No fuel conversion kit required Powerful and User friendly Viessmann...

Page 3: ...the smallest of spaces B Modulating MatriX cylinder burner for extremely clean combustion and quiet operation C Variable speed combustion fan for quiet and economical operation D Gas and water connec...

Page 4: ...te 4 GPM L h 6 2 1400 6 2 1400 6 2 1400 Max operating pressure at 210 F 99 C psig bar 45 3 45 3 45 3 Boiler water temperature Adjustable high limit AHL range space heating steady state DHW production...

Page 5: ...ter 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 inp...

Page 6: ...6 Dimensional Information Models 200 W B2HB 19 26 35 Legend A Boiler Supply B Gas Connection NPTF C Boiler Return D Recommended height single boiler system E Condensate drain F Combustion air intake...

Page 7: ...as passed the zero inches vent clearance to combustibles testing requirements dictated by the Harmonized Standard ANSI Z21 13 CSA 4 9 2000 and therefore is listed for zero clearance to combustibles wh...

Page 8: ...der over closely spaced tees See pages 25 and 26 for low loss header information Once the low loss header is connected the built in low loss header logic of the Vitodens 200 W boiler ensures the requi...

Page 9: ...o 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...

Page 10: ...0 W boilers can be used in conjunction with the stand alone DHW storage tanks offered by Viessmann All Viessmann DHW storage tanks sold in North America are available in Vitosilver finish only Size an...

Page 11: ...te availability of domestic hot water at all draw points Poor insulation of the DHW recirculation line however can result in considerable heat loss Viessmann therefore recommends that effective insula...

Page 12: ...ect boiler to the installation fittings 5 Ensure the boiler is securely mounted CAUTION Whichever mounting method is used ensure that the bracket is tightly and securely fastened to wall Failure to se...

Page 13: ...concrete expansion anchors are Hilti 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...

Page 14: ...ot remove completely 3 Remove the front encloser panel 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...

Page 15: ...rmine the required refill amount check granulate level several times during the first year of operation In some cases one granulate fill may last an entire year Contact Viessmann to order a neutraliza...

Page 16: ...Supply Connection of Accessories The power supply connection of accessories can be made directly at the boiler control The connection is activated and deactivated with the system on off switch The mix...

Page 17: ...graphic ability Large font and black white depiction for good contrast Context sensitive help text Removable programming unit can be mounted on the wall with separate accessory With digital time swit...

Page 18: ...eating and the DHW recirculation pump are factory set Switching times are individually programmable i e up to four switching periods per day Shortest switching interval 10 minutes Power backup 14 days...

Page 19: ...ature and the supply temperature to these conditions The boiler water temperature is limited upwards by the fixed high limit and the temperature set for the electronic high limit The supply temperatur...

Page 20: ...length 115 ft 35 m with a wire size of min AWG 16 copper Cable to the outdoor sensor must not be laid near line voltage wiring 120 240 V Max ambient temp at operation 32 to 194 F 0 to 90 C when stori...

Page 21: ...ble position where the unit can capture and adjust the temperature Installation in the main living room on an internal wall opposite radiators Never install inside shelf units recesses immediately by...

Page 22: ...ule Electronic PCB for data exchange with the Vitotronic 200 H Vitocom 200 and for connecting to a higher level building management system LON Connecting Cable for data exchange between control units...

Page 23: ...t KM BUS Participant The Vitotrol 200A remote control regulates the required set room temperature in standard mode from any room in the house Party and economy mode can be enabled via keys Only for he...

Page 24: ...eating circuit with mixer Fitted room temperature sensor for room temperature hook up Note For room temperature hook up the Vitotrol 300A must be installed in the main living room lead room RS functio...

Page 25: ...known The temperature sensor connection TS typically located at the top of the low loss header ensures low return temperatures to the Vitodens 200 W boiler at all times increasing operational efficien...

Page 26: ...3 must be calculated as follows Legend T1 Boiler supply temperature T2 Boiler return temperature T3 System supply temperature T4 System return temperature Vprimary Boiler circuit flow rate Vsecondary...

Page 27: ...maximum ionization current results with air factor The ionization signal is evaluated by the combustion management system and the air factor is adjusted to between 1 24 and 1 44 This range provides fo...

Page 28: ...ide sufficient water 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 versus boiler pump...

Page 29: ...cable table on page 8 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 pu...

Page 30: ...tes 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...

Page 31: ...terials Sizing of field supplied pump P is critical for proper boiler operation in this system layout See page 8 for the supply head pressure drop of the boiler An undersized pump may cause short cycl...

Page 32: ...ut See page 8 for the supply head pressure drop of the boiler An undersized pump may cause short cycling and or improper operation of the boiler Viessmann STRONGLY recommends using a low loss header a...

Page 33: ...ature 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 illustr...

Page 34: ...er 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 Legen...

Page 35: ...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...

Page 36: ...B boiler as illustrated IMPORTANT IMPORTANT Legend A Vitodens 200 W B2HB boiler with Vitotronic 200 HO1B outdoor reset control B Outdoor temperature C Boiler pump 20 D Vitotronic 200 H HK1B 1 E Mixing...

Page 37: ...k 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 connectio...

Page 38: ...pplied 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 dan...

Page 39: ...Temperature Sensor 2 Supply Temperature Sensor Low Loss Header 3 Boiler Temperature Sensor 5 DHW Temperature Sensor 11 Ionization Electrode 15 Flue Gas temperature Sensor 20 Boiler Pump 21 DHW Pump 2...

Page 40: ...eating contractor Do not install an isolation valve between the boiler and the low water cut off Water connections Vitodens 200 W boilers can be used in any fully pumped hot water heating system Minim...

Page 41: ...mation please read warranty sheet supplied with product System layout The max boiler water temperature for space heating and DHW production is 165 F 74 C for models B2HB 19 to 35 To minimize distribut...

Page 42: ...Vitodens 200 W B2HB 19 to 35 Technical Data 5461 883 02 42...

Page 43: ...Vitodens 200 W B2HB 19 to 35 Technical Data 43 5461 883 02...

Page 44: ...Vitodens 200 W B2HB 19 to 35 Technical Data 5461 883 02 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper...

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