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Gas-fired floor-mounted condensing DHW combi-boiler 12 to 125 MBH (3.5 to 37 kW) VITODENS 222-F Product may not be exactly as shown Vitodens 222-F B2TB Series 19 and 35 Gas-fired floor-mounted condensing DHW combi-boiler with modulating MatriX cylinder burner and DHW stainless steel tank.
Vitodens 222-F The Vitodens 222-F storage combi-boiler combines Benefits at a glance the benefits of the Vitodens 222-F with the high DHW ■ Viessmann made SA240 316Ti stainless steel Inox- convenience of a separate DHW tank. With the Radial heat exchanger constructed to CSA B51 and...
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Product Information Vitodens 222-F, B2TB 19 and 35 Technical Data Cross-Section Vitodens 222-F, series B2TB 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...
Technical Data Vitodens 222-F, B2TB 19 and 35 Technical Data Technical Data Boiler Model No. 222-F B2TB Natural Gas / Liquid Propane Gas CSA input 12-68 19-125 3.5-20 5.5-37 CSA output/DOE *1 11-64 18-117 heating capacity 3.2-19 5.1-34 Net AHRI rating *2 Heat exchanger surface area 12.96...
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Measured flue gas temperature with a combustion air temperature of 68°F (20°C). Based on typical boiler cycles, including partial load conditions. Requires 1 inch (25 mm) tubing. See the Installation Instructions of the Vitodens 222-F, B2TB for details. For side wall vent installations (coaxial system): Do not exceed max.
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Dimensional Information Vitodens 222-F, B2TB 19 and 35 Technical Data Models 222-F, B2TB 19 and 35 Legend 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.
CL= Closet *1 Refer to the Installation Instructions of the Vitodens 222-F, B2TB Venting System for details. Note: The Vitodens 222-F, B2TB boiler has passed the zero inches vent clearance to combustibles testing requirements dictated by the boiler Harmonized Standard ANSI Z21.13. CSA 4.9.2012 and...
Waterside Flow Vitodens 222-F, B2TB 19 and 35 Technical Data Waterside Flow (primary circuit) The Vitodens 222-F, B2TB is designed for closed loop, A low-loss header offers additional benefits not provided forced circulation hot water heating systems only. Use by a pair of closely spaced tees. Viessmann therefore standard friction loss method for pipe sizing.
*1 For system t < 20°F (11ºC) use low-loss header sizes for t 20°F (11ºC). *2 Low-Loss temperature sensor - is included with the boiler for use in single-boiler applications. Note: The Vitodens 222-F comes equipped with a factory preset integrated boiler pump.
Low-Loss Header Information Vitodens 222-F, B2TB 19 and 35 Technical Data Heating Circuit Pumps Grundfos UPS15-78 three speed heating circuit/DHW circuit pump for Vitodens 222-F, B2TB boilers (in the factory setting, the pump speed is preset to ‘speed three’) Speed Three...
DHW A diaphragm expansion tank is integrated into the storage tank. Vitodens 222-F, with a capacity of 3.2 USG (12 L) and The Vitodens 222-F uses an integrated 26.5 USG (100 a pre-charge pressure of 12 psig.
Boiler Control Vitodens 222-F, B2TB 19 and 35 Technical Data On-Board Vitotronic 200, HO1B Control Modular structure Programming unit: Easy operation through: ■ The control unit is integrated into the boiler. The control – Plain text display with graphic ability unit comprises a standard unit, electronics modules and –...
Boiler Control Vitodens 222-F, B2TB 19 and 35 Technical Data Design and Function Functions Setting the Operating Programs The heating system frost protection (see Weather-compensated control of the boiler water ■ frost protection function) applies to all heating programs. and/or supply temperature...
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Boiler Control Vitodens 222-F, B2TB 19 and 35 Technical Data Design and Functions (continued) Technical Data Heating Curve Adjustment (slope and shift) The control unit regulates the boiler water temperature Rated supply voltage: 120 VAC (= supply temperature of heating circuit without mixing...
Accessories Vitodens 222-F, B2TB 19 and 35 Technical Data Sensors (supplied) Boiler Temperature Sensor Outdoor Temperature Sensor The boiler temperature sensor is connected at the control unit for weather-responsive operation and is built into the boiler. Specification sensor type: Viessmann NTC 10K ohms at 77ºF (25ºC)
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Accessories Vitodens 222-F, B2TB 19 and 35 Technical Data Optional Accessories (continued) Mixing Valve Actuator Kit Room Temperature Sensor, Separate room temperature sensor as supplement to the Vitotrol 200A and 300A; to be used if the Vitotrol 200A or 300A cannot be installed inside the main living room...
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Accessories Vitodens 222-F, B2TB 19 and 35 Technical Data Optional Accessories (continued) Vitotrol 200A One Vitotrol 200A can be used for every heating circuit Connection: in a heating system. The Vitotrol 200A can regulate one - 2-core lead 18 AWG, length max. 164 ft. (50 m)
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Accessories Vitodens 222-F, B2TB 19 and 35 Technical Data Optional Accessories (continued) Vitotrol 300A One Vitotrol 300A can be used for every heating circuit RS function: in a heating system. The Vitotrol 300A can regulate up Installation in the main living room on an internal wall to three heating circuits.
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Fuel Conversion Label Kit (NG>LPG) Low-loss header design (Typical) (included in boiler technical literature set) The Vitodens 222-F, B2TB boiler comes factory set for operation with natural gas. All B2TB models can be field converted to operate with liquid propane gas (as well as back to natural gas as required).
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Accessories Vitodens 222-F, B2TB 19 and 35 Technical Data Accessories for Vitodens 222-F Low-Loss Header (continued) IMPORTANT Principle of Operation When installing a low-loss header, the system mixed supply temperature (T3) must be calculated as follows: Vprimary < Vsecondary T1 > T3...
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Accessories Vitodens 222-F, B2TB 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”...
10.0 1.37 1.40 1.44 1.48 The Vitodens 222-F, B2TB boilers come equipped with Lambda Pro, the industry’s first intelligent combustion management system. The boiler adjusts automatically to any gas type and quality without the need for a fuel conversion kit.
Installation Vitodens 222-F, B2TB 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.
Installation Examples Vitodens 222-F, B2TB 19 and 35 Technical Data System Layout 1 Vitodens 222-F, B2TB with a direct-connected heating circuit with integrated DHW production Installation of ... Legend radiator heating circuit (high-temp. circuit) ■ A Vitodens 222-F B2TB boiler with DHW production ■...
Installation Examples Vitodens 222-F, B2TB 19 and 35 Technical Data System Layout 2 Vitodens 222-F, B2TB with one heating circuit, low-loss header and integrated DHW production Legend Installation of ... Vitodens 222-F B2TB boiler with radiator heating circuit (high-temp. circuit) ■...
Installation Examples Vitodens 222-F, B2TB 19 and 35 Technical Data System Layout 3 Vitodens 222-F, B2TB with... - Integrated DHW production - one heating circuit with mixing valve and system separation Installation of ... underfloor heating circuit with 3-way mixing valve ■...
The total flow rate of the two heating circuits is Integral expansion tank less than the maximum possible water flow rate of Temperature and pressure relief valve outlet the Vitodens 222-F B2TB boiler (see page 9 for Pressure relief valve outlet max. water flow rate). DHW circulating pump sA...
Boiler pump than the maximum possible water flow rate of the Mixing valve temperature sensor ? Vitodens 222-F B2TB boiler (see page 9 for maximum Kit for heating circuit with mixing valve water flow rate of boiler). Domestic hot water storage tank The use of a low-loss header is strongly recommended.
Accessory kit for heating circuit with mixing valve than the maximum possible water flow rate of the Heating circuit pumps Vitodens 222-F B2TB boiler (see page 9 for maximum DHW storage tank water flow rate of boiler). Integral expansion tank The use of a low-loss header is strongly recommended.
Installation Examples Vitodens 222-F, B2TB 19 and 35 Technical Data System Layout 7 Vitodens 222-F, B2TB with... - one direct-connected heating circuit - three heating circuit with mixing valve and integrated DHW production Legend Vitodens 222-F B2TB boiler with Vitotronic 200, Installation of different heating circuits...
Installation Examples Vitodens 222-F, B2TB 19 and 35 Technical Data Alternative Connection The following piping diagram reflects the connection for the DHW system to boiler. Legend Boiler Outdoor temperature sensor ! Vitotrol remote (optional) DHW storage tank Boiler pump DHW circulating pump sA...
Wiring Diagram Vitodens 222-F, B2TB 19 and 35 Technical Data Overview of Electrical Connections, Models B2TB 19 and 35 CAUTION WARNING DISCONNECT POWER BEFORE Label all wires prior to disconnection SERVICING BOILER. when servicing controls. Wiring errors can cause improper and dangerous operation.
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Wiring Diagram Vitodens 222-F, B2TB 19 and 35 Technical Data Overview of Electrical Connections, Models B2TB 19 and 35 (continued) Legend Outdoor Temperature Sensor Supply Temperature Sensor/Low Loss Header Boiler Temperature Sensor DHW Supply Temperature Sensor DHW Tank Temperature Sensor...
(sealed Water connections combustion) regardless of size and ventilation method Vitodens 222-F boilers can be used in any fully pumped of the room in which it is located. hot water heating system. The Vitodens 222-F can be installed, for example, in Minimum system pressure is 14 psig.
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System Design Vitodens 222-F, B2TB 19 and 35 Technical Data System Design Considerations (continued) System layout Oxygen diffusion barrier underfloor tubing The max. boiler water temperature for space heating The boiler warranty does not cover leaks resulting from ■ and DHW production is 165°F (74°C) for models corrosion caused by the use of underfloor plastic tubing B2TB 19 and 35.
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Vitodens 222-F, B2TB 19 to 80 Technical Data...