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Bosch Greentherm T9800 SEO199 Installation And Operating Instructions Manual

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Installation and Operating Instructions
FOR OUTDOOR INSTALLATIONS ONLY
Greentherm T9800 SEO160/199
160 000/199 000 Btu- Natural Gas
WARNING!
Improper installation, adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this manual. For assistance or additional
information consult a qualified installer, service agency or the gas supplier.
NOTICE
Upon completion of the installation, these instructions should be handed to the
user of the appliance for future reference.

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  Summary of Contents for Bosch Greentherm T9800 SEO199

  • Page 1 Installation and Operating Instructions FOR OUTDOOR INSTALLATIONS ONLY Greentherm T9800 SEO160/199 160 000/199 000 Btu- Natural Gas WARNING! Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier. NOTICE Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference.
  • Page 2: Table Of Contents

    Table of contents 6.4.1 Programming the default setpoint Table of contents temperature ......29 6.4.2 Solar Mode.
  • Page 3: Key To Symbols And Safety Instructions

    Key to symbols and safety instructions Safety instructions Key to symbols and safety instructions H DANGER: Key to symbols Before installation, Warnings ▶ Read all instructions before installing. In warnings, signal words at the beginning of a warning are used Perform the steps in the indicated to indicate the type and seriousness of the ensuing risk if measures for minimising danger are not taken.
  • Page 4 Key to symbols and safety instructions H WARNING: H DANGER: ▶ To ensure that the water heater If you smell flue gas inside the house, functions properly, follow these ▶ Switch off the appliance. installation and maintenance ▶ Open windows and doors. instructions.
  • Page 5 ▶ Immediately correct all faults to permanent injuries. prevent system damage. ▶ Children, elderly, and handicapped ▶ Use only Bosch spare parts! persons are more likely to be permanently injured by hot water. H CAUTION: Never leave such individuals in the tub Instruct the customer.
  • Page 6 Key to symbols and safety instructions H WARNING: manufacturer's recommendations and instructions. Flooding ▶ Water exiting from drain valves can be ▶ After a flood, do not use the appliance extremely hot. if any part has been submerged. To avoid injuries: Damage to appliances that have been –...
  • Page 7: Safety Information

    Safety information H WARNING: Safety information Relief valve discharge ▶ If a relief valve discharges periodically, this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situation. Do not plug the relief valve.
  • Page 8: Appliance Details

    For more information go to www.P65Warnings.ca.gov. • Neutralizer Kit (7738001483) • Aquastat kit (7736504584) BOSCH water heater complies with the State of California Lead • Recirculation pump kit (7736504585) Law (AB1953). • Tank loading NTC (7736504583) •...
  • Page 9: Specifications (Technical Data)

    Appliance details Specifications (Technical data) Approved in US/Canada Technical characteristics Units Greentherm T9800 SEO Greentherm T9800 SEO 199 000 Btu 160 000 Btu Capacity Maximum flow rate at a 35 °F (19.4 °C) rise GPM (l/min) 11.2 (42.4) 9 (34) Maximum flow rate at a 45 °F (25 °C) rise GPM (l/min) 8.7 (32.9)
  • Page 10 Appliance details Technical characteristics Units Greentherm T9800 SEO Greentherm T9800 SEO 199 000 Btu 160 000 Btu Electrical Voltage V AC Frequency Amperage (Idle) Amperage (operation) ≤ 2.4 ≤ 2.4 Water protection 1) These flow rates are based upon setting the unit to higher temperatures and then mixing down using cold water after the unit. 2) Input rating is based on sea level operation and need not be changed for operation up to 2000 ft (610 m) elevation.
  • Page 11: Unpacking The Heater

    The heater is default-set by the manufacturer to operate Please consult Bosch for further details to determine if this will with Natural Gas. Before installing the unit, be certain you function in your application.
  • Page 12: General Rules To Follow For Safe Operation

    Appliance details 6. Correct gas pressure is critical for General rules to follow for safe operation the proper operation of this heater. H Warning: Safety Rules! Gas piping must be sized to provide 1. You must follow these instructions the required pressure at the when you install your heater.
  • Page 13: Dimensions

    Appliance details Dimensions Fig. 4 Dimensions Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
  • Page 14: Installation Instructions

    NOT be placed on or adjacent to the heater. The monoxide poisoning could result. Bosch appliance area must be kept free of all combustible Thermotechnology Corp. is not responsible for improperly materials, gasoline and other flammable vapors and installed appliances.
  • Page 15: Mounting Instructions

    Installation instructions ▶ The installation method of the mounting bracket will depend on the type of mounting surface. Due to the varieties of building siding or surfacing, the installer must decide on how best to support and level the heater on an outside wall.
  • Page 16: Air Openings

    Installation instructions Factory regulation The appliances are supplied having been set in the factory for the values shown on the rating plate for natural gas. For any other adjustments see chapter 7. 4.5.1 Natural gas The appliances must not be operated if the dynamic gas pressure is less than 3.5"WC or greater than 10.5"...
  • Page 17 Installation instructions Code ANSI Z223.1/NFPA 54. In Canada: The Installation must conform to CGA B149 INSTALLATION CODES and/or local installation codes. DANGER: Explosion hazard! ▶ DO NOT connect to an unregulated or to a high pressure commercial natural gas line. DANGER: Explosion hazard! ▶...
  • Page 18: Gas Line Sizing Tables For Natural Gas

    Installation instructions 4.7.1 Gas Line Sizing Tables for NATURAL GAS For your convenience, see below an excerpt from gas line sizing tables for a single NG appliance. For details, see the current NFPA Required input for 160000 / 199000 BTU/hr for the Greentherm T9800 SEO. The gas supply system must be sized for the combined total maximum BTU/hr load requirements of all gas appliances running simultaneously.
  • Page 19: Water Quality

    Heavy scale will form if the combination of water total hardness and pH exceeds Water connections the values specified in fig. 12 (grey area), Bosch recommends consulting a local water treatment professional for water NOTICE: softening/conditioning options.
  • Page 20: Connecting The Condensate Water Drain

    Installation instructions ▶ For installation on a private well system with the use of a pressure tank, the lowest pressure range setting recommended is 30-45psi (2.06-3.1bar) to ensure optimal performance. ▶ Proper insulation material should be used in places prone to freezing conditions.
  • Page 21: Domestic Hot Water Recirculation With

    To install the condensate drain, connect a ¾" NPT adapter on pump must be powered by an external electrical source and can the water heater. be switched on and off using the Bosch cable accessory (7736504585). Fig. 16 Appliance drain installation...
  • Page 22: Space Heating Applications

    [2] Check valve field supplied priority and to prevent “cold-blow” situations when the [3] Circulator pump field supplied Bosch tankless water heater is used with an air handler. [4] Expansion tank field supplied Air handler installation must include a pump.
  • Page 23 Installation instructions Fig. 19 Hydro air system with Air Handler [1] Hot water outlet [17] Control relay (if not included within air handler) (field [2] Cold water inlet supplied) [3] Pressure relief valve [4] Gas supply [5] Shut off gas valve (field supplied) [6] Thermal expansion tank (as required) [7] Air purge (field supplied) [8] Cold water supply...
  • Page 24 Installation instructions Fig. 20 Pressure drop curve Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
  • Page 25: Measuring Gas Pressure

    Electrical connections 4.13 Measuring gas pressure 4.13.1 Gas supply pressure Confirm gas pressure upon installation. Connecting manometer ▶ Shut off gas supply at installer supplied shutoff valve for this water heater. Fig. 21 Gas pressure test port ▶ Locate the inlet gas pressure test port (see Fig. 21). ▶...
  • Page 26: Position Of The Fuses In Control Unit

    Electrical connections ▶ Press the four snaps of the control unit and remove the DANGER: cover. Electric shock! ▶ Field wiring connections and electrical grounding must comply with local codes, or in the absence of local codes, with the latest edition of the National Electric Code, ANSI/ NFPA 70, or in Canada, all electrical wiring must comply with the local codes and the Canadian Electrical Code, CSA C22.1 Part 1.
  • Page 27: Operating Instructions

    Operating Instructions For your safety read before operating your Operating Instructions water heater WARNING: Explosion hazard! ▶ If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. NOTICE: Appliance malfunction! Strong magnetic fields can interfere with the electronics, which...
  • Page 28: Error Code Reset

    Operating Instructions To increase setpoint temperature limit of the appliance: ▶ Access the menu LM - temperature Limit ( section 6.5.4). A lower temperature set point will reduce the risk of scalding, reduce energy consumption and increase the longevity of the heat exchanger.
  • Page 29: Programming The Default Setpoint

    Operating Instructions 6.4.1 Programming the default setpoint temperature ▶ Press buttons to scroll through the available menus. Available menus Display Description Information (section 6.5.1) Gas Type Purge (section 6.5.2) Cascading Settings (section 6.5.3) Temperature Limit (section 6.5.3) 6720806146-05.1V Appliance Type Fig.
  • Page 30: P9 (Purge)

    Operating Instructions OD (Operation Data) Allows you to view various parameters of the current operation of the appliance. In the calculation of number of cycles, ▶ Press buttons to choose the following 1 cycle means 1 ignition. information: • 0d (Chamber NTC) - current water temperature at heat Numbers of hours exchanger outlet.
  • Page 31: Sa (Settings)

    Operating Instructions ▶ Press buttons to scroll through the options. – OF OFF – HR House Recirculation The fan remains running until the Purge menu is exited, to do - Hot water readily available at faucets. – tI Tank Loading Internal NTC ▶...
  • Page 32: Lm (Temperature Limit)

    Operating Instructions 6.5.4 LM (Temperature Limit) 140 °F (60 °C) is the maximum temperature to be defined for residential models. How to select Temperature Limit, ▶ Press the button Display shows temperature limit value. ▶ Press the buttons to select desired temperature Fig.
  • Page 33: Maintenance And Service

    Maintenance and service Water actuators calibration The display shows the flow rate. Water valve calibration must be done when main water valve or ▶ You should adjust the flow rate at the beginning of the bypass valve is replaced. Also required when electronic control calibration process.
  • Page 34: Required Annual Maintenance

    Maintenance and service Venting System DANGER: • Venting system - before removing the front cover inspect vent opening in the front cover for any blockage or restriction. ▶ Replace all dismantled seals and o-rings with new ones. • Observe burner flames during heater operation (front ▶...
  • Page 35: Winterizing For Seasonal Use

    Maintenance and service ▶ Remove appliance front cover, see page 11. 5. Disconnect the inlet and outlet water pipes from the water heater. Place a small bucket underneath the water heater to ▶ Remove cover from the air filter. catch residual water remaining inside the water heater. ▶...
  • Page 36: Troubleshooting

    Troubleshooting ▶ Run the solution through the heater until the solution NOTICE: returning to the descaling reservoir comes out clear. (Changing to a fresh solution may be necessary during this In some areas local code may require that the tasks described process).
  • Page 37: Water Is Too Hot

    Troubleshooting for water flow at each tap. There should be no water 2. If the selected temperature on the unit is set too high for the flowing. Any continuous flow of water, small or large, demanded flow rate, the water heater will close its indicates a crossover is present and must be corrected.
  • Page 38: Noisy Burner/Heater During Operation

    (ceramat) might be obstructed (e.g. clogging due to dust/particles in the air). Contact Bosch support line for further assistance 1) Manifold gas pressure from the rating plate is valid for sea into the diagnosis if your installation fits this description; in...
  • Page 39: Adjusting Gas/Air Flow

    Troubleshooting ▶ Remove the front of the appliance (see page 11). ▶ Disconnect the pressure gauges from the pressure heads points [A] and [B]. ▶ Tighten the shutter screws of the pressure heads points [A] and [B]. ▶ Place front cover in the appliance. ▶...
  • Page 40 ▶ Exit UC menu and repeat the process. If failure persists: ▶ Perform manual adjustment according to chapter 8.11.2 or contact Bosch support line for further assistance. 8.11.2 Manual adjust Gas/Air flow Gas/Air flow adjust is also possible to perform manually (only recommendable if automatic adjust is not possible to conclude successfully).
  • Page 41 Troubleshooting ▶ Press the buttons to adjust parameter value if ▶ Press the button until the display shows "b1". power bar level is out of range. If b1 is blinking on the display, ▶ Wait until it stops. ▶ Press the button to enter b1.
  • Page 42: Co Emissions Check

    Troubleshooting 8.11.3 Factory default settings ▶ Remove the protection from the front cover, see fig. 44. To restore factory values for combustion settings. ▶ Proceed with the following steps. Restore factory values for P1 Max. Power ▶ Access to menu P1 Max. Power. ▶...
  • Page 43 Troubleshooting 8.12.2 CO and CO values range (%) Max. CO level (measured) Greentherm T9800 SEO 199 000 BTU Nat. Gas max. input P1 8.4 % - 9.0 % < 250 ppm min. input P2 N/A < 100 ppm * Values above are for climate controlled conditions. Inputs such as gas pressure, heating value of the gas, humidity and temperature of combustion air all impact CO and CO...
  • Page 44: Problem Solving

    Problem solving Problem solving Error code diagnostics Installation, maintenance and repair must only be carried out by qualified contractors. The following table describes the To remove error codes from the display, solutions for possible problems. ▶ Press the ON/OFF button more than 3 sec. (long press). Display Description Solution...
  • Page 45 ▶ Check if the air filter is dirty or clogged, replace it if needed. ▶ Perform gas and air tuning ( section 8.11). ▶ Contact Bosch support line for additional information and assistance in case of installation in dusty areas.
  • Page 46 ▶ Check if the air filter is dirty or clogged. ▶ Perform gas and air tuning ( section 8.11). ▶ Contact Bosch support line for additional information and assistance in case of installation in dusty areas.
  • Page 47 Problem solving Display Description Solution Air temperature inside cabinet above 176 °F ▶ Check for flue gas leakage inside the cabinet (80 °C) or 2 minutes above 158 °F (70 °C). ▶ Reset error (press and hold on/off button for 3 Appliance burner cut off to prevent overheating.
  • Page 48 Problem solving Display Description Solution Electronic control unit internal error. ▶ Reset error (press and hold on/off button for 3 seconds). If the problem persists: ▶ Replace electronic control unit. Electronic control unit internal error. ▶ Reset error (press and hold on/off button for 3 seconds).
  • Page 49: Electrical Diagram

    Electrical diagram Electrical diagram Fig. 46 Electrical diagram Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
  • Page 50 Electrical diagram [1] Ionization sensor [2] Fan [3] Ignition electrode [4] Power supply [5] Connection for anti freeze kit [6] Connection for remote control [7] Gas valve - modulation solenoid [8] Bypass water valve [9] Electrovalve 3 [10] Electrovalve 1 [11] Electrovalve 2 [12] Gas valve - safety solenoid [13] Thermal fuse...
  • Page 51: Sensor Resistance Charts

    Sensor resistance charts Sensor resistance charts RESISTANCE (KOHM) 6720816948-40.1V Fig. 47 Inlet, outlet and heat exchanger water temperature sensors characteristics 0.01 RESISTANCE (KOHM) 6720816948-41.1V Fig. 48 Flue gases and condensing unit flue gases temperature sensors characteristics Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
  • Page 52: Software Main Menu Structure

    Software main menu structure Software main menu structure Main Menu PC Cascadi AP - Appliance Power (160 / 199) P4 - Information OF Off MO - Appliance Model E - exit SL Slave (IN / OUT) OD - Operation Data MA Master PF Bypass (EN/DI) E - Exit...
  • Page 53: Interior Components Diagram And Parts List

    Interior components diagram and parts list Interior components diagram and parts list 13.1 Interior components Fig. 50 Components [1] Air fan [2] Control unit [3] Gas manifold [4] Burner [5] Heat exchanger [6] Condensing unit [7] Water valve [8] By-pass [9] Gas valve [10] Condensate trap [11] Ionization sensor...
  • Page 54 Interior components diagram and parts list Fig. 51 Appliance overview Greentherm T9800 SEO 160/199 | SECO 199 – 6 720 817 281 (2018/12)
  • Page 55: Protecting The Environment

    Protecting the environment Protecting the environment Installer Checklist to be completed by installer upon installation Packing The packing box may be fully recycled as confirmed by the recycling symbol Components Serial Number ___ ___ ___ ___ ___ ___ ___ ___ Many parts in the heater can be fully recycled at the end of the product life.
  • Page 56 50 Wentworth Avenue Londonderry, NH 03053 Tel. 603-552-1100 Fax 603-965-7581 www.boschheatingandcooling.com U.S.A. Products manufactured by Bosch Thermotechnik GmbH Junkersstrasse 20-24 D-73249 Wernau www.bosch-thermotechnology.com Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.

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