Viessmann VD2A-125, Technical Data Manual

Page 1: ... V VI I I IT T T TO O O OR R R RO O O ON N N ND D D D 2 2 2 20 0 0 00 0 0 0 Triple pass hot water heating boiler 490 to 1096 MBH 144 to 321 kW Vitorond 200 VD2A Series Oil Gas fired boiler triple pass sectional cast iron design with Eutectoplex heat transfer surface and Therm Control integrated low temperature protection logic for operation with modulating water temperatures Heating input 490 to 1...

Page 2: ... formation of condensate and extend the lifecycle of the boiler H Low environmental impact thanks to low emission combustion achieved by the boiler s triple pass design H Problem free transport into difficult to access boiler rooms thanks to sectional construction and low weight of individual sections The Fastfix system facilitates a quick and easy installation H Simple quick assembly of the indiv...

Page 3: ...mely effective 4 100 mm thick insulation B Third pass C Vitotronic control intelligent and easy to install operate and service D Burner door insulation E Low emission burner Weishaupt or Riello F Second pass G Eutectoplex heat exchanger surface constructed from homogeneous special gray cast iron H Combustion chamber 5354 787 v1 2 ...

Page 4: ... NR2 control dimension e Total width dimension d Total height with boiler base dimension h Total height with supply header dimension a in mm in mm in mm in mm in mm 35 905 40 1030 34 860 39 1007 58 1485 42 1075 40 1030 34 860 39 1007 58 1485 49 1240 40 1030 34 860 39 1007 58 1485 55 1410 40 1030 34 860 39 1007 58 1485 62 1580 40 1030 34 860 39 1007 58 1485 Weight Front section with combustion cham...

Page 5: ...mm 8 200 8 200 8 200 8 200 8 200 Flue gas resistance w c 0 26 0 38 0 40 0 48 0 64 Flue gas volume of combustion chamber and flue gas passageways ft 3 m3 4 909 0 139 6 039 0 171 7 169 0 203 8 299 0 235 9 429 0 267 Required flue draft Category I Pa w c 0 0 0 0 0 0 0 0 0 0 Positive pressure Category III Pa w c 20 0 08 20 0 08 20 0 08 20 0 08 20 0 08 4 The maximum supply operating temperature max adju...

Page 6: ...with blast tube diameters over 6 150 mm the door insulation refractory material can be cut to the required size The blast tube must protrude from the thermal insulation on the boiler door 5354 787 v1 2 a b c d e g BWS BWR FGC LWCO f h 64 1623 mm 1 18 465 mm 18 465 mm 31 795 mm 38 970 mm 6 170 mm 1 Dimension includes sub base Please note Inch dimensions are rounded to the nearest Fig 1 i j Viessman...

Page 7: ...48 mm 7 195 mm 19 3 8 490 mm Please note Inch dimensions are rounded to the nearest 1 4 Fig 3 VITOROND 200 VD2A 7 Boiler Connection Kit Standard Equipment 1 Boiler must be controlled via Viessmann Vitotronic Therm Control logic in order to prevent the formation of flue gas condensation at all local site return water temperatures Consult your local Viessmann Technical Representative for other possi...

Page 8: ...mbustible material Boiler must not be installed on combustible floor material Recommended Minimum Service Clearances The combustion chamber door is factory assembled to hinge on the left hand side A right hand hinge is feasible by rebuilding the door hinge hardware Boiler model VD2A 125 160 195 230 270 a1 in mm 47 1200 55 1400 63 1600 71 1800 79 2000 b2 Dependent on burner model Inch dimensions ar...

Page 9: ... the system design if more balancing valves are required to properly balance the system Viessmann can supply TA Victaulic balancing valves upon request The balancing should be carried out by a certified balancing firm prior to boiler start up Please contact Viessmann for your closest certified balancing firm VD2A 125 and VD2A 160 VD2A 195 VD2A 230 and VD2A 270 Recommended Flow Rates Boiler model V...

Page 10: ...r Riello Burner Gas train approval Standard approvals are CSA for Canada and UL for U S IRI and FM approved equipment is also available please inquire Electrical requirements Weishaupt W Series and Riello burners are available in 120 VAC single phase in a 60 Hz configuration It is generally acceptable to use voltages within ten percent of the supply voltage Available voltage inside boiler room mus...

Page 11: ...at the top of the cast iron block see Fig 8 Heated supply water flows at the bottom of the cast iron block towards the rear section and upward to the supply connection The return water temperature is elevated when passing through the rear cast iron section where the supply water flows upward to the boiler supply connection The pre heated return water is then distributed to the cast iron sections t...

Page 12: ...res with only minimal fluctuations and eliminates the need for a shunt pump or return temperature elevation provided by a Low Temperature Protection LTP Package Example Take a heating system with one heating circuit and a mixing valve In the start up phase the set Therm Control temperature is not achieved at the Therm Control sensor The mixing valve downstream of the boiler receives a signal via t...

Page 13: ...carton containing the boiler control 1 carton containing installation fittings with safety header Standard equipment includes Boiler base with leveling bolts Connection piping with counter flanges and gaskets Turbulators are packed in a bag and placed inside the combustion chamber When cast iron sections are delivered as individual units Push nipples high temperature silicone and linseed oil with ...

Page 14: ...rves With control for DHW primary systems with mixing valve assembly or alternatively for the control of a constant return temperature with a regulated three way valve With internal diagnostic system A function extension to default the set boiler water temperature via 0 10 V input can be connected optional An extension kit is required for each heating circuit with mixing valve The LON communicatio...

Page 15: ...nsion to default a set system flow temperature via a 0 10 V input can be connected accessories An extension kit is required for each heating circuit with mixing valve Legend A Up to 4 boilers with a Vitotronic 100 GC1 B Outside temperature sensor C Vitocontrol control panel with Vitotronic 300 K MW1S D Flow temperature sensor Custom control panels For single or multiple boiler installations Custom...

Page 16: ...ated up when the actual temperature falls below the DHW temperature selected for the tank temperature sensor subject to tank heating being enabled by the time switch The boiler water temperature is raised to the set DHW temperature 20 K 36ºF and the tank primary pump is started if the boiler water temperature is 7 K 12 6ºF above the actual DHW temperature The heating circuit pumps M2 and M3 are cl...

Page 17: ...rature sensor accessory for the Vitotronic 100 aJA Therm Control temperature sensor sÖM2 Heating circuit pump mixing valve only for Vitotronic 300 sÖM3 Heating circuit pump mixing valve only for Vitotronic 300 sÖA1 Closing the mixing valves with external heating circuit control units sA DHW primary pump sK DHW circulation pump only for the Vitotronic 200 and 300 fA Burner stage 1 gSM2 Mixing valve...

Page 18: ...iler water flow must be proportionally reduced Reduce the flow rate via the heating mixing valve using the Vitotronic 300 K MW1 or when regulating the heating circuits via a Vitotronic 200 H connected to the boiler control unit No additional protection measures are required on site No minimum return temperature needs to be maintained No shunt pumps and or boiler circuit pumps costly mixing valves ...

Page 19: ...ter temperature sensor DHW tank temperature sensor only for Vitotronic 300 K aJA Therm Control temperature sensor sÖM2 Heating circuit pump mixing valve only for Vitotronic 300 K sÖM3 Heating circuit pump mixing valve only for Vitotronic 300 K sÖ Heating circuit pump Vitotronic 200 H sK DHW circulation pump only for the Vitotronic 300 K fÖ Power supply 120 VAC 60 Hz Install the main isolator in ac...

Page 20: ...er does not automatically indicate vent chimney size We recommend consulting a reputable chimney installer for advice in project specific circumstances When installing the Vitorond 200 VD2A boiler it is necessary to install a barometric draft regulator in the chimney vent for proper operation of the boiler Install the barometric draft regulator within 5 to 7 ft 1 to 2 m from the breeching outlet l...

Page 21: ...atment for boiler feed water should be considered in areas of known problems such as where a high mineral content and hardness exist In areas where freezing might occur an antifreeze may be added to the system water to protect the system Please adhere to the specifications given by the antifreeze manufacturer Do not use automotive silicate based antifreeze Please observe that an antifreeze water m...

Page 22: ...gation of flame noise the interaction between the burner boiler and the flue gas system as well as the operating mode flue gas system operating with positive or negative pressure It is advisable therefore to assess the noise emission into the neighborhood and to consider the sound pressure level measured at the flue gas system outlet It should be considered at the planning stage whether silencers ...

Page 23: ... 195 230 270 No 2 oil fired 1 stage Model F15 F20 n a No 2 oil fired 2 stage Model n a RL28 2 Natural gas fired 1 stage with assembled gas train Model G750 n a Propane gas fired 1 stage with assembled gas train Model G750 n a Natural gas fired 2 stage with assembled gas train Model n a G900 n a Propane gas fired 2 stage with assembled gas train Model n a G900 n a Natural gas fired fully modulating...

Page 24: ...ad Warwick Rhode Island 02886 USA Tel 401 732 0667 Fax 401 732 0590 www viessmann us com info viessmann us com 24 VITOROND 200 VD2A Viessmann Manufacturing Company Inc reserves the right to make product changes or updates without notice and will not be held liable for typographical errors or omissions in the product literature Printed on environmentally friendly recycled and recyclable paper 5354 ...