Technical Data Manual Model Nos. and pricing: see Price List For Natural Gas and Liquid Propane Gas Gas-fired floor-mounted condensing DHW combi-boiler 12 to 125 MBH (3.5 to 37 kW) VITODENS 222-F r Product may not be exactly as shown Vitodens 222-F B2TA Series 19 and 35 Gas-fired floor-mounted condensing DHW combi-boiler with modulating MatriX cylinder burner and DHW stainless steel tank. For room air independent operation or room air dependent operation.
Product Information Vitodens 222-F, B2TA 19 and 35 Technical Data Vitodens 222-F Recommended applications ■ Installation in single or semi-detached homes and apartments. ■ New build (e.g. pre-fabricated houses and housing association projects): installation in utility rooms and attics. ■ Modernisation: Replacement of system boilers, floorstanding atmospheric gas boilers and oil/gas boilers with DHW cylinders below.
Vitodens 222-F, B2TA 19 and 35 Technical Data Product Information Cross-Section Vitodens 222-F, series B2TA 19 and 35 A Stainless steel Inox-Radial heat exchanger for high operational reliability, a long service life and high heating output in the smallest space B Modulating MatriX cylinder gas burner for extremely clean combustion C Integral diaphragm expansion tank D Digital boiler control unit E Integral, 3-speed high efficiency circulation pump F Stainless steel DHW primary storage tank.
Technical Data Vitodens 222-F, B2TA 19 and 35 Technical Data Boiler Model No. 222-F B2TA 19 35 MBH kW MBH kW 12-67 3.5-20 10.9-61 3.2-18 19-125 5.5-37 17.4-114 5.1-33 MBH kW 53 15.5 99 29 ft.2 m2 10.89 1.01 10.89 1.01 Min. gas supply pressure Natural gas Liquid propane gas “w.c. “w.c. 4 10 4 10 Max. gas supply pressure *3 Natural gas Liquid propane gas “w.c. “w.c. 14 14 14 14 % 93.3 93.3 lbs kg 282 128 282 128 Boiler water content USG L 0.87 3.27 0.87 3.27 Boiler max.
Technical Data Vitodens 222-F, B2TA 19 and 35 Technical Data Technical Data Boiler Model No. 222-F B2TA 19 35 inches mm inches mm inches mm 23b 595 23f 600 64 1625 23b 595 23f 600 64 1625 Flue gas *6 Temperature (at boiler return temperature of 86ºF (30ºC) - at rated full load - at rated partial load ºF (ºC) ºF (ºC) 113 (45) 95 (35) 113 (45) 95 (35) Temperature (at boiler return temperature of 140ºF (60ºC) ºF (ºC) 154 (68) 154 (68) USG/h L/h 2.6-3.4 10 - 12 4-4.
Dimensional Information Vitodens 222-F, B2TA 19 and 35 Technical Data Models 222-F, B2TA 19 and 35 *1 Legend A Condensate Drain (side) Note: The dimensional drawing shows example fittings for upward connection and connection to the left/right, for installation on finished walls. Order the connection sets separately as accessories. For the dimensions of the individual connection sets, see the design information. Model B2TB 19 and 35 a *1 in. (mm) 46.1 (1172) k *1 in. (mm) 65.6 (1665) b *1 in.
Minimum Clearances Vitodens 222-F, B2TA 19 and 35 Technical Data Recommended Minimum Service Clearances Minimum Clearances to Combustibles Top Front 0 0 AL, CL Rear Left 0 Right 0 Vent pipe *1 0 0 AL= Alcove CL= Closet *1 Refer to the Installation Instructions of the Vitodens 222-F, B2TA Venting System for details. Note: The Vitodens 222-F, B2TA boiler has passed the zero inches vent clearance to combustibles testing requirements dictated by the boiler Harmonized Standard ANSI Z21.13. CSA 4.9.
Waterside Flow Vitodens 222-F, B2TA 19 and 35 Technical Data Waterside Flow (primary circuit) The Vitodens 222-F, B2TA is designed for closed loop, forced circulation hot water heating systems only. Use standard friction loss method for pipe sizing. Observe boiler maximum and minimum flow rate limitations.
Pump Information Vitodens 222-F, B2TA 19 and 35 Technical Data Heating Circuit Viessmann offers a variety of Grundfos heating circuit/ boiler pumps which meet typical Vitodens system installation requirements (see “Heating circuit pump field supplied)”. See tables below for recommended pumps. Refer to the graphs on page 10 and 11 for the proper waterside boiler friction loss calculations.
Low-Loss Header Information Vitodens 222-F, B2TA 19 and 35 Technical Data Heating Circuit Pumps Grundfos UPS15-78 three speed heating circuit/DHW circuit pump for Vitodens 222-F, B2TA boilers (in the factory setting, the pump speed is preset to ‘speed three’) Head H (ft of wc) Speed Three Speed Two Speed One Flow Q (gpm) Performance chart courtesy of Grundfos Pump Model Grundfos UPS15-78 Rated voltage Rated current VAC A max. A min. Capacitor lF W max. W min. Power consumption 115 1.15 0.
DHW Production Vitodens 222-F, B2TA 19 and 35 Technical Data Domestic Hot Water Production The Vitodens 222-F storage combi-boiler combines the benefits of the Vitodens 200-W with high DHW convenience of a separate integral stainless steel DHW storage tank. The Vitodens 222-F uses an integrated 26.5 USG (100 L) DHW storage tank and a DHW production pump. IMPORTANT A diaphragm expansion tank is integrated into the Vitodens 222-F, with a capacity of 3.2 USG (12 L) and a pre-charge pressure of 12 psig.
Boiler Control Vitodens 222-F, B2TA 19 and 35 Technical Data On-Board Vitotronic 200, HO1B Control The control unit is integrated into the boiler. The control unit comprises a standard unit, electronics modules and a programming unit.
Vitodens 222-F, B2TA 19 and 35 Technical Data Boiler Control Design and Function Functions ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Weather-compensated control of the boiler water and/or supply temperature Control of one heating circuit without mixer and two heating circuits with mixer Demand-dependent heating circuit pump and burner off control Adjustment of a variable heating limit Anti-seizing pump protection Integral diagnostic system Maintenance display DHW temperature control with priority Auxiliary function for DHW he
Boiler Control Vitodens 222-F, B2TA 19 and 35 Technical Data Design and Functions (continued) Technical Data Rated supply voltage: Rated frequency: Rated current: Max. ambient temp. - at operation: 120 VAC 60 Hz 12 A 32 to 104ºF (0 to 40ºC) Installation in living spaces or boiler rooms (standard ambient conditions) - when storing or transporting: Max. operating temp.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Design and Functions (continued) Boiler Temperature Sensor The boiler temperature sensor is connected at the control unit for weather-responsive operation and is built into the boiler. Outdoor Temperature Sensor Specification sensor type: Viessmann NTC 10K ohms at 77ºF (25ºC) Max. ambient temp.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Vitotronic Control Accessories Supply Temperature Sensor (strap-on sensor, included with mixing valve actuator accessory kit), - when storing or transporting: -4 to+158°F (-20 to+70ºC) Installed with a strapping band. Cable length 19.7 ft. (6 m), ready to plug in. Max. ambient temp.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Vitotronic Control Accessories (continued) Mixing Valve Extension Module KM BUS Expansion Module To connect 2 to 9 devices (mixing valve actuator, Vitotrol, input module, etc.) to the single KM BUS connection of the boiler. Rated voltage: Rated frequency: Rated current: Power consumption: Max. ambient temp.
Accessories Vitotronic Control Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data (continued) Vitotrol 300A One Vitotrol 300A can be used for every heating circuit in a heating system. The Vitotrol 300A can regulate up to three heating circuits. Up to two remote controls may be connected to the control unit.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Accessories for Vitodens 222-F Fuel Conversion Label Kit (NG>LPG) (included in boiler technical literature set) The Vitodens 222-F, B2TA boiler comes factory set for operation with natural gas. All B2TA models can be field converted to operate with liquid propane gas (as well as back to natural gas as required). The kit includes instructions and labels for field conversion.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Accessories for Vitodens 222-F Low-Loss Header (continued) Principle of Operation IMPORTANT When installing a low-loss header, the system mixed supply temperature (T3) must be calculated as follows: Vprimary < Vsecondary T1 > T3 T2 = T4 Qprimary = Qsecondary T1 167°F (75°C) Vsecondary=Vprimary+Vbypass Model No. Max. system flow rate Type 80/60 17.6 GPM (4 m3/h) Type 120/80 35.
Accessories Vitodens 222-F, B2TA 19 and 35 Technical Data Accessories for Vitodens 222-F Parts for Top Connection 0302 Connecting pipe, DHW/heating 0303 Support bracket with pipe clips 0304 Pipe clip (each) 0307 Connector retaining clip (Set of 2) *1 0308 Pipe insulation, 19x9x740 mm 0310 Gas ball valve, ¾” brass 0311 Sediment faucet, ¾” NPT 0313 Tee, ¾” brass 0318 Security clips *1 *2 Other Parts (not illustrated) 0301 Flex pipe (NG/LP), full-length*3 0305 O-Ring, 18x3 mm for supply/return 0306 Gasket, 1
Standard Equipment/Management System Vitodens 222-F, B2TA 19 and 35 Technical Data Standard Equipment The Vitodens 222-F gas-fired condensing combi-boiler with Inox-Radial heat exchanger, modulating MatriX cylinder burner for liquid propane gas and natural gas (available on all models), comes standard with: ■ stainless steel DHW tank ■ pressure gage ■ relief valve and air vent and heat exchanger bleeding valve ■ Integral diaphram expansion tank ■ boiler control unit with outdoor temperature sensor, power/
Installation Vitodens 222-F, B2TA 19 and 35 Technical Data Hydraulic Connection System design Viessmann condensing boilers can generally be installed in any pumped hot water heating system (closed system). The circulation pump is an integral part of the appliance. Minimum system pressure 14 psi. The boiler water temperature is limited to 165ºF (74ºC). To minimise distribution losses, we recommend that you size the heat distribution system to a max. supply temperature of 158ºF (70ºC).
Installation Examples Vitodens 222-F, B2TA 19 and 35 Technical Data System Layout 1 Vitodens 222-F, B2TA with a direct-connected heating circuit with integrated DHW production Installation of ... ■ radiator heating circuit (high-temp. circuit) ■ DHW production ... with the following flow conditions: The flow rate of the heating circuit is less than the maximum possible water flow rate of the Vitodens 222-F B2TA boiler (see page 28 for maximum water flow rate of boiler).
Vitodens 222-F, B2TA 19 and 35 Technical Data Installation Examples System Layout 2 5683 719 - 05 Vitodens 222-F, B2TA with one heating circuit, low-loss header and integrated DHW production Legend A Vitodens 222-F B2TA boiler with Vitotronic 200, HO1B outdoor reset control B Outdoor temperature sensor ! C Vitotrol remote (optional) D Heating circuit E Boiler pump 20 F DHW circulating pump sA G DHW storage tank H Integral expansion tank I Temperature and pressure relief valve outlet J Low-loss header K
Installation Examples Vitodens 222-F, B2TA 19 and 35 Technical Data System Layout 3 Vitodens 222-F, B2TA with... - Integrated DHW production - one heating circuit with mixing valve and system separation 26 IMPORTANT System separation is required of underfloor heating systems employing non-oxygen diffusion barrier tubing. All components on the secondary side of the heat exchanger must be made of corrosion-resistant materials.
Installation Examples Vitodens 222-F, B2TA 19 and 35 Technical Data System Layout 4 Vitodens 222-F, B2TA with...
Installation Examples Vitodens 222-F, B2TA 19 and 35 Technical Data System Layout 5 Vitodens 222-F, B2TA with... - Integrated DHW production - one heating circuit with mixing valve - one heating circuit without mixing valve and low-loss header 28 Installation of different heating circuits... ■ radiator heating circuit (high-temp. circuit) ■ under floor heating circuit with 3-way mixing valve (low-temp. circuit) ■ DHW production ...
Vitodens 222-F, B2TA 19 and 35 Technical Data Installation Examples System Layout 6 Vitodens 222-F, B2TA with...
Installation Examples Vitodens 222-F, B2TA 19 and 35 Technical Data System Layout 7 Vitodens 222-F, B2TA with... - one direct-connected heating circuit - three heating circuit with mixing valve and integrated DHW production Installation of different heating circuits... ■ radiator heating circuit (high-temp. circuit) ■ under floor heating circuit with 3-way mixing valve (low-temp. circuit) ■ DHW production ...
Vitodens 222-F, B2TA 19 and 35 Technical Data Installation Examples Alternative Connection The following piping diagram reflects the connection for the DHW system to boiler.
Wiring Diagram Vitodens 222-F, B2TA 19 and 35 Technical Data Overview of Electrical Connections, Models B2TA 19 and 35 DISCONNECT POWER BEFORE SERVICING BOILER. If any of the original wires as supplied with the appliance must be replaced, it must be replaced with the exact equivalent. 32 CAUTION Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.
Vitodens 222-F, B2TA 19 and 35 Technical Data Overview of Electrical Connections, Models B2TA 19 and 35 Wiring Diagram (continued) Legend 1 Outdoor Temperature Sensor 2 Supply Temperature Sensor/Low Loss Header 3 Boiler Temperature Sensor 4 DHW Supply Temperature Sensor 5 DHW tank temperature sensor 11 Ionization Electrode 15 Flue Gas Temperature Sensor 20 No Function [20] Boiler Pump Connection (Internal) 21 No Function [21] DHW Pump Connection (Internal) 28/20 Heat Circuit A1 Pump Connection* 30 Divert
System Design Vitodens 222-F, B2TA 19 and 35 Technical Data System Design Considerations IN THE COMMONWEALTH OF MASSACHUSETTS... this product shall be installed by a licensed plumber or gas fitter. the flexible connector (if used) cannot exceed 36”. any level type shutoff used must be of tee handle type.
Vitodens 222-F, B2TA 19 and 35 Technical Data System Design Considerations (continued) System layout ■ The max. boiler water temperature for space heating and DHW production is 165°F (74°C) for models B2TA 19 and 35. To minimize distribution losses, Viessmann recommends that the heating and domestic hot water systems be based on a maximum boiler supply temperature of 158°F (70°C).
5683 719 - 05 Technical information subject to change without notice. Printed on environmentally friendly (recycled and recyclable) paper.
