Viessmann VITODENS 222-F Installation Instructions Manual
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Viessmann VITODENS 222-F Installation Instructions Manual

Floor mounted, gas-fired condensing storage combi boiler
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Installation Instructions

for use by heating contractor
Vitodens 222-F, B2TA Series
Models 19 and 35
Floor mounted, gas-fired condensing storage combi boiler
For operation with natural gas and liquid propane gas
Heating input: 12 to 125 MBH
3.5 to 37 kW
VITODENS
5683 713 - 05 11/2014
222-F
r
H
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference.
Please file in Service Binder

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Summary of Contents for Viessmann VITODENS 222-F

  • Page 1: Installation Instructions

    Installation Instructions for use by heating contractor Vitodens 222-F, B2TA Series Models 19 and 35 Floor mounted, gas-fired condensing storage combi boiler For operation with natural gas and liquid propane gas Heating input: 12 to 125 MBH 3.5 to 37 kW...

  • Page 2: Safety, Installation And Warranty Instructions

    Safety Vitodens 222-F, B2TA 19 and 35 Installation Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life.

  • Page 3: About These Installation Instructions

    Safety Vitodens 222-F, B2TA 19 and 35 Installation Safety, Installation and Warranty Requirements Suppliers of fiberglass wool products recommend the Fiberglass wool and ceramic fiber materials following precautions be taken when handling these materials: WARNING - Avoid breathing fiberglass dust and contact with skin and eyes.

  • Page 4: Table Of Contents

    Table of Contents Vitodens 222-F, B2TA 19 and 35 Installation Page Safety Safety, Installation and Warranty Instructions....2 Product documentation..........2 Warranty..............2 Licensed professional heating contractor....2 Contaminated air............2 Advice to owner............2 Carbon monoxide.............2 Fresh air..............2 Equipment venting...........2 About these Installation Instructions......3 General Information Important Regulatory and Installation Requirements..6...
  • Page 5 Table of Contents Vitodens 222-F, B2TA 19 and 35 Installation Page Boiler Connections (continued) Safety Connections and Pressure Testing.....29 Low water cut-off..........29 Performing a boiler pressure test......29 Waterside Flow............30 Waterside flow (primary circuit).......30 Installation Examples..........31 System Layout 1-7...........32 Alternative Connection..........39 Control Connections Wiring Diagram............40...

  • Page 6: Important Regulatory And Installation Requirements

    General Information Vitodens 222-F, B2TA 19 and 35 Installation Important Regulatory and Installation Requirements Codes The installation of this unit shall be in accordance with The following topics must be covered: local codes or, in the absence of local codes, use CAN/ Proper system operation sequence.

  • Page 7: For Installations On The Commonwealth Of Massachusetts

    CSD-1 Field Testing of High Limit Switches for Vitodens boilers – where required by law. VIESSMANN IS NOT RESPONSIBLE FOR ANY DAMAGES THAT THE FOLLOWING TEST PROCEDURE MAY RESULT IN BY OVERHEATING THE SYSTEM.

  • Page 8: Applicability

    (DHW) production. Follow the Vitodens Venting System The Vitodens 222-F, B2TA series boiler comes factory Installation Instructions to vent this boiler. set for operation with natural gas. For a fuel conversion to liquid propane gas no conversion kit is required.

  • Page 9: Mechanical Room

    General Information Vitodens 222-F, B2TA 19 and 35 Installation Mechanical Room During the early stages of designing a new home, we recommend that proper consideration be given to constructing a separate mechanical room dedicated to the gas- or oil-fired heating equipment and domestic hot water storage tank(s).

  • Page 10: Before Set-Up

    DHW tank temperature and pressure valve. This reduced clearance is also used in Vitodens multiple Note: The Vitodens 222-F, B2TA boiler has passed the boiler installation system as described in zero inches vent clearance to combustibles testing the multiple boiler installation instructions.
  • Page 11 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections Boiler water connection and piping Use an approved pipe sealant or teflon tape when connecting the following installation fittings. This section constitutes an overview only! Refer to subsequent sections for detailed information on individual piping connections.
  • Page 12 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) 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.

  • Page 13: Connections

    Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) Boiler venting The Vitodens 222-F B2TA boiler comes with a pre-installed vent pipe adaptor A. Run venting system, single-wall or coaxial, through the side wall or the roof, taking the shortest possible route and at a rising angle (min.

  • Page 14: Gas Connection And Piping

    Design piping layout in such a way that piping does not interfere with serviceable components. IMPORTANT The Vitodens 222-F B2TA has a factory pre-installed flexible gas line for left, right or vertical installation. 2. Before connecting boiler to gas line, install ground joint union, capped drip leg and a manual equipment shutoff valve as shown.

  • Page 15: Gas Piping Pressure Test

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) Gas piping pressure test Flue gas connection When performing the gas piping pressure test, ensure the Connect the balanced flue. following requirements are met. See Venting Installation Instructions. WARNING Never check for gas leaks with an open flame.

  • Page 16: Removing The Front Panels

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) Removing the front panels 1. Tilt the lower front panel. 2. Remove the retaining screw and set aside. 3. Lift up and out to remove the lower front panel.

  • Page 17: Accessing The Control Unit Connections

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) Accessing the control unit connections 1. Remove both screws from the external accessory connection box front plate and set aside. 2. Loosen both retaining screws as shown (do not remove).
  • Page 18 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) 5. Tilt the bottom of the external accessory connection box cover forward. 6. Pull the cover up to clear the locating pins and out to remove, then set aside.
  • Page 19 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) 10. Release locking tabs as shown. 11. Remove cover. 12. Route all connecting cables to the appropriate areas and secure the cables to the control base using existing strain reliefs as shown.

  • Page 20: External Accessories Connection Box

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) External accessory connection box Note: See wiring diagram on page 21 for connection to the control base. ACCESSORIES (ie VITOTROL 120/1/60 12 AMP REMOTE OR POWER SUPPLY WITH MIXING VALVE)

  • Page 21: Boiler Control Base

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Connections (continued) Boiler control base Note: See wiring diagram on page 20 for connection to the external accessory connection box. OUTDOOR TEMPERATURE SENSOR...

  • Page 22: Condensate Connection

    Vitodens 222-F, B2TA 19 and 35 Installation Preparing for Installation Condensate connection The Vitodens 222-F B2TA boiler comes with a built-in condensate trap. An external trap is not required when connecting the field drain to flexible discharge tubing. Discharge tubing (field supplied) must be of 1 in.

  • Page 23: Vertical Piping Installation

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Vertical Piping Installation 1. Install the restraining rings to the restraining bar (note their position). 2. Rotate the restraining rings a turn to lock into place (the ring opening should be facing to the side).
  • Page 24 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Vertical Piping Installation 1. Install the O-rings over the male connection boiler fittings. Ensure that the O-rings are properly seated in the groove. 2. Slide the insulation sleeve over the DHW pipe (as shown).
  • Page 25 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Vertical Piping Installation 1. Install the supplied locking clips over the bottom boiler connection and pipes. 2. Remove the cap from the factory installed gas line. 3. Install the supplied tees, drain valves and gas valve as shown.

  • Page 26: Side Piping Installation

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Side Piping Installation 1. Install the restraining rings to the restraining bar (note their position). 2. Rotate the restraining rings a turn to lock into place (the ring opening should be facing down).
  • Page 27 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Side Piping Installation 1. Remove the tie-wrap holding the factory installed gas line. 2. Gently form the fexible gas line by bending the gas line at the middle to the desired side .
  • Page 28 Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Side Piping Installation 1. Remove the cap from the factory installed gas line. 2. Install the supplied tees, drain valves and gas valve as shown. Installing boiler safety devices 1. Remove the pressure relief valve, drain valve and fittings from the box.

  • Page 29: Safety Connections And Pressure Testing

    Boiler Connections Vitodens 222-F, B2TA 19 and 35 Installation Safety Connections and Pressure Testing Low water cut-off A low water cut-off may be required by local codes. If boiler is installed above radiation level, a low water cut-off device of approved type (field supplied) must be installed in all instances.

  • Page 30: Waterside Flow

    Pressure drop (primary circuit) for Vitodens 222-F, B2TA 19, 35 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.

  • Page 31: Installation Examples

    Operation of the DHW system is controlled by the boiler control. IMPORTANT The examples on the following pages depict possible piping layouts of the Vitodens 222-F boiler equipped with Viessmann System Technology. Please note that the following examples are simplified conceptual drawings only! Piping and necessary componentry must be field verified.

  • Page 32: System Layout 1-7

    Installation Examples Vitodens 222-F, B2TA 19 and 35 Installation System Layout 1 Vitodens 222-F, B2TA with a direct-connected heating circuit with integrated DHW production Installation of ... Legend radiator heating circuit (high-temp. circuit) ■ A Vitodens 222-F B2TA boiler with DHW production ■...

  • Page 33: System Layout 2

    Installation Examples Vitodens 222-F, B2TA 19 and 35 Installation System Layout 2 Vitodens 222-F, B2TA with one heating circuit, low-loss header and integrated DHW production Legend Installation of ... Vitodens 222-F B2TA boiler with Vitotronic 200, HO1B outdoor reset radiator heating circuit (high-temp. circuit) ■...

  • Page 34: System Layout 3

    Installation Examples Vitodens 222-F, B2TA 19 and 35 Installation System Layout 3 Vitodens 222-F, B2TA with... - Integrated DHW production - one heating circuit with mixing valve and system separation Installation of ... Legend Vitodens 222-F B2TA boiler with underfloor heating circuit with 3-way mixing valve ■...

  • Page 35: System Layout 4

    Domestic hot water storage tank less than the maximum possible water flow rate of Integral expansion tank the Vitodens 222-F B2TA boiler (see page 27 for Temperature and pressure relief valve outlet max. water flow rate). Pressure relief valve outlet...

  • Page 36: System Layout 5

    Boiler pump than the maximum possible water flow rate of the Mixing valve temperature sensor ? Vitodens 222-F B2TA boiler (see page 27 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.

  • Page 37: System Layout 6

    Accessory kit for heating circuit with mixing valve than the maximum possible water flow rate of the Heating circuit pumps Vitodens 222-F B2TA boiler (see page 27 for maximum DHW storage tank water flow rate of boiler). Integral expansion tank The use of a low-loss header is strongly recommended.

  • Page 38: System Layout 7

    Installation Examples Vitodens 222-F, B2TA 19 and 35 Installation System Layout 7 Vitodens 222-F, B2TA with... - one direct-connected heating circuit - three heating circuit with mixing valve and integrated DHW production Legend Vitodens 222-F B2TA boiler with Vitotronic 200, Installation of different heating circuits...

  • Page 39: Alternative Connection

    Installation Examples Vitodens 222-F, B2TA 19 and 35 Installation 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...

  • Page 40: Wiring Diagram

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Wiring Diagram CAUTION WARNING DISCONNECT POWER BEFORE Label all wires prior to disconnection SERVICING BOILER. when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation If any of the original wires as after servicing.
  • Page 41 Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Wiring Diagram (continued) Legend Outdoor Temperature Sensor Supply Temperature Sensor/Low Loss Header Boiler Temperature Sensor DHW Supply Temperature Sensor DHW tank temperature sensor Ionization Electrode Flue Gas Temperature Sensor No Function...

  • Page 42: Electrical Connections

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Electrical Connections Power supply connection of accessories Cabling required for: The power supply connection of accessories can be made H outdoor temperature sensor directly at the control. The connection is activated and H Vitotronic 200-H, HK1B mixing valve control deactivated with the system on/off switch.

  • Page 43: Accessories Connection

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Accessories Connection Connection of accessories If the current flowing to the connected working parts (e.g. circulation pumps) is higher than the safety level of Install a disconnect switch in the power supply line...

  • Page 44: Accessing The X3 Plug

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Accessing the X3 Plug 1. Remove the control unit cover (see page 15). 2. Remove the X3 plug from the control board. Attach sensors and reinsert the X3 plug. Refer to the following sensor information.

  • Page 45: Connecting The Outdoor Temperature Sensor

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Connecting the Outdoor Temperature Sensor 1. Remove cover of outdoor temperature sensor. 2. Mount wall-mount base (cable entry must point downward). 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.

  • Page 46: Lon Module

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation LON Module Installing the LON module to the boiler control board 1. Remove the control cover (see page 15). 2. Insert the LON module into the boiler control board. 3. Connect the LON connector cable to the LON module.

  • Page 47: Routing The Connecting Cables

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Routing the Connecting Cables Note: If connecting cables touch hot components they will be damaged. When routing and securing connecting cables on site, ensure that the maximum permissible temperatures for these cables are not exceeded.

  • Page 48: External 0-10 Volt Signal Connection

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation External 0-10 Volt DC Signal Connection 1. Connect the external 0-10 VDC signal to plug 0-10VDC located in the external connection accessory box. 2. Ensure correct polarity. 3. See chart for maximum possible boiler water...

  • Page 49: Accessory Kit

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Accessory Kit Boiler The mixing valve controller kit can only be used with wall-mounted gas-fired hot water heating boilers and Control a weather-responsive control; it can be used as an alternative for a Vitotronic control.

  • Page 50: Closing The External Accessory Connection Box

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Closing the External Accessory Connection 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.

  • Page 51: Reinstalling The Front Enclosure Panel

    Control Connections Vitodens 222-F, B2TA 19 and 35 Installation Closing the External Accessory Connection Box (continued) 8. Tighten the external accessory connection box retaining screw. 9. Install the external accessory connection box cover screws. Reinstalling the Front Enclosure Panel Fitting the front panels Install upper front panel.

  • Page 52: Technical Data

    Additional Information Vitodens 222-F, B2TA 19 and 35 Installation Technical Data Boiler Model No. 222-F B2TA Natural Gas / Liquid Propane Gas CSA input 12-67 19-125 3.5-20 5.5-37 CSA output/DOE *1 10.9-61 17.4-114 heating capacity 3.2-18 5.1-33 Net AHRI rating *2 15.5...
  • Page 53 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, B2TA for details. For side wall vent installations (coaxial system): Do not exceed max.

  • Page 54: Installation Fittings

    Additional Information Vitodens 222-F, B2TA 19 and 35 Installation Installation Fittings 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”...

  • Page 55: Lighting And Operating Instructions

    Vitodens 222-F, B2TA 19 and 35 Installation Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING W A R N I N G: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 56 Vitodens 222-F, B2TA 19 and 35 Installation...

This manual is also suitable for:

Vitodens 222-f 19Vitodens 222-f 35Vitodens 222-f b2ta 19Vitodens 222-f b2ta 35

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