Worcester Greenstar 2000 Installation And Maintenance Instructions Manual
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Worcester Greenstar 2000 Installation And Maintenance Instructions Manual

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Installation and Maintenance Instructions
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GR2300iW C
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Summary of Contents for Worcester Greenstar 2000

  • Page 1 Installation and Maintenance Instructions Gas-fired condensing combi appliance Greenstar 2000 GR2300iW C...

  • Page 2: Table Of Contents

    8.2.7 Menu 0 ........58 Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 3 14 Data Protection Notice .......97 Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 4: Explanation Of Symbols And Safety Instructions

    Failure to install correctly could lead to CAUTION prosecution. CAUTION indicates that minor to medium personal injury may occur. • If you are in any doubt, contact the Worcester, Bosch Group help line (0330 123 3366). NOTICE • Distance learning and training courses are available NOTICE indicates that material damage may occur.
  • Page 5 In the Republic of Ireland servicing work must be carried out by a Registered Gas Installer (RGII). Approved spares must be used to help maintain the efficiency, safety and reliability of the appliance. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 6 Any misuse or unauthorised modifications to the appliance, flue or associated components and systems could invalidate the warranty. The manufacturer accepts no liability arising from any such actions, excluding statutory rights. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 7: Regulations

    WRC and hold approval by a notified body, e.g. WRAS. The installation must also comply with the requirements of Part G of the Building Regulations. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 8: Product Information

    CE marking. You can ask for a copy of the declaration of conformity for this product. For this see the contact address on the back cover of these instructions. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 9: Appliance Type Overview

    • Compression fitting (via adaptor) Table 4 Pipe dimensions For servicing purposes, keep condensate and pressure release valve discharge pipes away from other hydraulic components. 0010029389-001 Fig. 2 Pipe and flue outlet dimensions Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 10: Product Overview

    Product Information Product overview 0010033590-001 Fig. 3 Product overview Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 11: Product Data For Energy Consumption

    Comfort+ II RF. Weather compensation is available with the EasyControl without the need for a physical outdoor sensor, however, it can improve control accuracy for installations in isolated micro-climates or highly sheltered locations such as valleys. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 12: Pre-Installation

    3 metre circuit when activated. • Drain cocks are required at all the lowest points on the system. • Air vents are required at all high points on the system. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 13: System Layouts Examples

    Operational capacity of the expansion vessel (left of the relevant curve) Additional expansion vessel required (right of the relevant curve) Maximum operating temperature [ °C] Total System Volume [l] The default pre-charge pressure for the expansion vessel is 0.75 bar Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 14: System Fill

    Basic pipe sizing calculation Basic pipe sizing calculation. ▶ This method is only a guide - for more complex design please refer to latest version of BS6891 and training given in ACS. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 15: Gas Supply

    90° elbow or tee used and by 0.3m for each 45° bend or straight known length, the effective length will be increased by 0.5m for each coupler used. 90° elbow and tee fitted and by 0.3m for each 45° bend. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 16: Water Supply

    ▶ Ensure the appliance location’s ambient temperature is above 0 °C and below 50°C. 0010015563-001 Fig. 9 Mini expansion vessel location Mains water inlet pipe Non-return valve Mini expansion vessel - part no. 7 716 192 105 Appliance Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 17: Rooms Containing A Bath Or Shower

    • In all cases the installation must be in accordance with the latest appliance. amendments to the latest edition of the IET Wiring Regulations ▶ System frost protection can be achieved when using either Worcester (BS7671). weather-compensating controls or via a hard-wired thermostat when •...

  • Page 18: Appliance Clearances

    Above appliance - Same clearance required as for standard clearances of 60/100 flue or 80/125mm flue. In front of appliance - Minimum 450mm. Bottom of appliance to the floor - 1,000 - 1,500mm. Below appliance - 200mm Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 19: Flue Systems Considerations

    ▶ Inspection hatches should be located at changes of direction. ▶ If this is not possible, bends should be viewable from both directions. Refer to the manual supplied with the Worcester, Bosch Group flue kit for Fig. 13 Reduced front maintenance clearances - Front view complete installation instructions.

  • Page 20: Flue Options

    • Flue length [L] (adaptor bend included in length calculation) – Maximum flue length as stated in "Horizontal maximum flue lengths" minus 2 x 90° bends equivalent straight flue length as stated in Table 16 "Effective length of bends". Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 21 • Flue length [L] – Maximum flue length as stated in "Vertical maximum flue lengths" minus 2 x 45° bends equivalent straight flue length as stated in Table 16 "Effective length of bends". Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 22: Plume Management System

    ▶ Terminals must be positioned so to avoid combustion products entering the building. ±80° 0010013548-003 Fig. 26 Terminal exclusion zone NOTICE Cutting the 500mm pipe ▶ The Plume management extension kit contains the components required for such a configuration. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 23 400mm measured diagonally from a pitched roof or 500mm in regions with heavy snow fall. 300mm measured vertically from the air intake to the closest intersection with the roof. 1,200mm separation measured between a vertical flue and a horizontal flue terminal. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 24 BOUNDARY LINE DORMER SKYLIGHT OPENING OPPOSITE 2000 1500 1200 1500 1200 1000 BOUNDARY LINE BELOW GROUND OPEN LIGHT WELL <1000 BOUNDARIES 25 100 25 100 0010021442-004 Fig. 29 Horizontal flue terminal positions Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 25 ▶ A flue terminal guard shall be fitted whenever a terminal or air inlet is fitted less than 2,000mm above ground, above a balcony or above a flat roof to which people have access. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 26: Plume Re-Direct And Plume Management Terminal Positions

    ±80° EXCLUSION ZONE EXCLUSION ZONE EXCLUSION ZONE 1500 1200 BOUNDARY LINE OPENING FLUE TERMINAL GUARD OPPOSITE 7 716 191 176 2000 BOUNDARY LINE Fig. 30 Plume re-direct and plume management terminal positions Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 27 [14] Clearances no less than 200mm from the lowest point of the balcony or overhang. 1) 600mm in case two plume management kits are used on opposing terminals. Each terminal should use a minimum length of 500mm plume management. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 28: Condensate Discharge

    The condensate discharge may freeze in areas during prolonged cold temperatures. ▶ Internal pipe runs in unheated areas such as lofts, basements and garages should be treated as external runs and consideration should be given to using a CondenseSure siphon. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 29 Fig. 33 Condensate pump example Condensate discharge from appliance Condensate pump Pipework transition Gravity discharge pipework Proprietary condensate pump ▶ Ensure minimum and maximum pump lifting heights are followed as per condensate pump manufacturers instructions. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 30: External Connections

    ▶ The hole through the wall for the condensate pipe should be sleeved and be sealed to the building fabric on the internal and external face using a suitable building material. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 31 • An air break must be installed in the external pipework as shown to avoid an airlock during ground flooding/adverse weather conditions which could prevent the condensate from discharging. Minimum hole size for the condensate soak away must be 400mm deep by Ø 300mm. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 32 [21] Increase pipe size Insulation External face sealed Condensate discharge pipe Minimum Standard ▶ The following guidance indicates the minimum standards that must be maintained for the Installation and Maintenance of a product. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 33: Pressure Relief Discharge

    Fig. 39 Pressure relief pipework Discharge pipe (turned back onto external wall example) Outside wall Discharge pipe (into drain or gully example) External drain Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 34: Cleaning Primary Systems

    Table 18 water cleanser is fitted to the system. 4.7.1 Flushing the system ▶ Worcester Bosch recommend fitting a filter that will help remove both Flushing the system using existing appliance/circulating pump or new magnetite and non-magnetic debris. appliance. Worcester offers varies filters that helps remove both magnetite and non-magnetic debris;...

  • Page 35: Installation

    Before installing the appliance, ensure that the system has been cleaned. Now remove the front casing and set safely aside. This is to protect the casing from damage during installation. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 36: Position The Appliance

    ▶ Mark centre line of flue to be used; the external diameter of the hole can also be marked if required. ▶ If extensions are to be added then the complete flue must rise at an angle of 3° from the appliance. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 37: Appliance Connections

    DCW Inlet 267mm 30mm such as lofts, basements and garages exposed to prolonged cold CH return 332mm 60mm temperatures should be protected ( chapter 4.5). 1) 30mm with pipe tails Table 19 Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 38: Hanging The Appliance

    ▶ OPTIONAL: Fit the supplied copper CH tails [1]to the CH flow and return 22mm compression connections. – These tails are designed to allow all hydraulic and gas connections to be 30mm from the wall. Fig. 43 CH pipe tails fitting Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 39: Flue Turret/Adaptor Installation

    – Flue brackets 100mm x 6 part number: 7 716 191 178. Condensate discharge pipe – Flue bracket 125mm part number: 7 716 191 179. 2,000mm 1,000mm 52mm 104mm 0010013472-001 Fig. 48 Slope for condensate disposal Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 40: Electrical Connection

    90 °C. – Wiring must comply with the latest edition of BS 7671 (IET wiring regulations). ▶ Connect the cable so that the protective conductor is longer than the other wires. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 41: Installer Connections

    ▶ Guide the cable through the strain relief. ▶ Connect the cable to the terminal block for external accessories. 0010033609-001 ▶ Secure the cable to the strain relief. Fig. 51 Moving control panel into service position Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 42 Not to be used with 3rd party controls, separated extra low voltage cannot be guaranteed. Communication BUS connection for hard-wired Worcester/Bosch EMS controls. Low voltage power supply for hard-wired Worcester mechanical controls. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 43: Cable Preparations

    230V mains supply to the appliance. 230V supply from the appliance to the external controls. Heating (()/ zone Switch Live (Demand) from the external controls. External frost protection Live supply and Switch Live (Demand). Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 44: Commissioning

    ▶ Close the water shut-off valves to the appliance. exchanger. ▶ Label appropriately. ▶ In cases where all attempts to find a system micro leak have failed, Worcester, Bosch Group supports the use of Fernox F4 leak sealer. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 45: Filling The Appliance And Adding Inhibitor

    If the indicator is below 1 bar when the system is cold: ▶ Top up the water until the indicator is between 1 bar and 1.5 bar again. If pressure is not being maintained: ▶ Check tightness of expansion vessel and heating system. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 46: Starting The Appliance

    Automatic siphon fill mode will begin when the appliance is first powered-up. When the flow temperature and the symbol appear alternately on the display, the siphon filling program is active. 0010016015-004 Fig. 61 Screen display Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 47: Setting The Flow Temperature

    ▶ To return to comfort mode: press the * key until eco vanishes from the display. ▶ To disable Manual Mode press and hold the ( key for 5 seconds. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 48: Chimney Sweep Mode

    ▶ If this is not possible: isolate the device on the gas side and notify the gas supplier. ▶ Exit the chimney sweep mode. ▶ Switch off the device, close the gas isolator, remove the pressure gauge and tighten the screw. ▶ Refit the casing. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 49: Checking The Gas Rate

    ▶ Use an approved gas sniffer or leak detection fluid to check all connections for possible leaks. Leak detection fluid must be certified as a gas leak testing agent. ▶ Do not allow leak detection fluid to come into contact with the electrical components. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 50: Co And Combustion Check

    ▶ Check and zero the analyser in fresh air as specified by the manufacturer. ▶ The air/gas ratio valve is factory set and must not be adjusted during commissioning unless this action is recommended following contact with the Worcester, Bosch Group help line 0330 123 3366. Zero the analyser ≥ 20.6% START...

  • Page 51: Checking Flue Integrity

    – Ensure that the probe reaches the centre of the flue gas exhaust, adjust the cone on the probe so that it seals the sample point and correctly positions the end of the probe. ▶ Check the CO and combustion readings. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 52: Finishing Commissioning

    ▶ Set up the appliance controls and show the customer how to operate all the control unit/s for central heating and DHW operation. – Also show where in the appliance/controls documentation where this information can be found. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 53: Shutdown

    -or- If you want to leave the appliance switched off: The current setting starts to flash. ▶ Mix Worcester-approved anti-freeze into the heating water ( ▶ To change the setting: press arrow key  or . "Water treatment products", page 34) and drain the DHW circuit.

  • Page 54: Service Functions Overview

    This setting defines where the sensor of the low loss header is connected. • 1: (not available) • 2: low loss header connected to the module Table 26 Menu 2: hydraulic settings Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 55: Menu 3

    • 1 … 3 … 60 minutes The pump overrun begins at the end of the heat heating mode demand by the heating controller. • 61: 24 hours Table 27 Menu 3: factory settings Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 56: Menu 4

    • 20 ... 90 °C This service function is only available if service weather-compensated control function 4-b1 is activated. Set flow temperature for an outside temperature of + 20 °C ( heating curve, page 90). Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 57: Menu 5

    5-A3 Minimum boiler output (heating and • GR2300iW 25 C : 19 ... 49% Minimum heat output. DHW) • GR2300iW 30 C : 16 ... 49% Table 29 Menu 5: Limit values Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 58: Menu 6

    Service function Settings/adjustment range Remark/restriction 0-A1 Manual operation • OFF: switched off • ON: switched on 0-A2 Set temperature in manual operation • 30 … 60 ... 82 °C Table 31 Menu 0 Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 59: Inspection And Maintenance

    ▶ After replacement of a gas related component, where a gasket or seal has been disturbed or replaced, check for gas tightness using a gas sniffer/analyser. ▶ Also after re-assembly, carry out the following checks:  Fan pressure.  Flue gas analysis. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 60: Component Access

    ▶ Re-check the fan pressure readings. If the appliance, after completing the above checks, fails the fan pressure test then contact Worcester, Bosch Group for advice. ▶ Switch the appliance off after completing pressure check. This test is to determine if the heat exchanger requires cleaning or ▶...

  • Page 61: Flue Gas Analysis

    After all checks have been completed and the CO is still out of tolerance ▶ Do not attempt the cleaning procedure unless new gaskets and seals then contact Worcester, Bosch Group helpline 0330 123 3366 before are available. making any adjustment to the gas valve.
  • Page 62 ▶ Remove M8 nut [3]. ▶ Remove the burner cover [4]. On re-assembly, to ensure a full gas tight seal, tighten the M8 nut down firmly, without over tightening. Fig. 76 Removing the burner Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 63 ▶ Check and adjust if required the gas/air ratio. On completion of the heat exchanger cleaning and reassembly, perform the fan pressure test. Fig. 78 Cleaning the heat exchanger ▶ Clean out residue and re-fit the inspection aperture again. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 64: Cleaning The Siphon

    ▶ Remove and check the gasket for cracks, deformation or breakage and replace if required. 0010021752-001 Fig. 81 Removing the condensate trap 0010017274-001 Fig. 83 Removing the gasket on the top of the condensate trap Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 65 ▶ Fill the condensate trap with approximately 150 ml water. 0010019159-001 Fig. 85 Pressing on the gasket ▶ Replace the condensate trap and check for tightness. ▶ Check the condensate hose and clean if required. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 66: Setting The Air/Gas Ratio

    ▶ Enter the CO contents in the servicing record. found to be out of tolerance and when all other possible causes have been checked, please contact the Worcester Bosch Group helpline Adjusting the maximum rated output settings(LPG appliances) 0330 123 3366.

  • Page 67: Replacement Parts

     Fan pressure. collect any water.  Flue gas analysis. Only use Worcester, Bosch Group original spare parts with this appliance. Non Worcester, Bosch Group original spare parts will invalidate the guarantee (if applicable) and any warranty. ▶ A comprehensive list of appliance spares can be found on the website www.worcester-bosch.co.uk/spares...

  • Page 68: Checking The Strainer In The Cold Water Pipe

    ▶ Top up the water until the indicator is between 1 bar and 1.5 bar again. If pressure is not being maintained: ▶ Check tightness of expansion vessel and heating system. 0010006636-002 Fig. 92 Checking the strainer in the cold water pipe Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 69: Removing The Gas Valve

    2. Pull out the automatic air vent valve. 0010015949-001 0010006638-003 Fig. 95 Removing the gas valve Fig. 97 Removing the automatic air vent valve ▶ Install the gas valve in reverse order, and check the gas/air ratio. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 70: 10.10 Removing The Motor Of The Diverter Valve

    Fig. 99 Detach the flow pipe and disconnect the cable 1. Unclip the flue pipe. 2. Push the flue pipe up. 3. Remove the heat exchanger. 0010015951-002 Fig. 100 Removing the heat exchanger Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 71: 10.12 Replacing The Control Unit

    Fig. 103 Replacing the Control box housing with PCB Fig. 101 Replacing the control unit ▶ Open the cover [1] on the enclosure of the appliance electronics. ▶ Insert the code plug [2]. 0010033726-001 Fig. 102 Inserting the code plug Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 72: 10.14 Reattaching The Casing On The Side

    ▶ Align the side panel so that the underside can be guided along the flange. ▶ Push the side panel towards the rear. ▶ Tighten the fixing screws. 0010019239-001 Fig. 104 Attaching the side panel Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 73: Fault Finding And Diagnosis

    Blocking faults result in the heating system being shut down temporarily. The heating system restarts automatically as soon as the blocking fault is This fault finding information is for guidance only. Worcester cannot be removed. held responsible for costs incurred by persons not deemed to be competent.

  • Page 74: Fault Code Table

    ▶ Check the gas supply to the property and check the working pressure on the gas valve inlet. ▶ Check the gas-air ratio. ▶ Check the ionisation electrode and the harness for damage or contamination. ▶ LPG: Sufficient gas in the tank or recently refilled? Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 75 ▶ Replace the control unit (PCB). – System fault boiler electronics / basic ▶ Reset burner control - factory reset. controller ▶ Check electrical connections of burner control. ▶ Replace burner control. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 76 ▶ Check the electrical connections on board (check for loose wires etc.). ▶ Check the code plug, if present, is not damaged. ▶ Replace the code plug, if present and required. ▶ Replace the control unit (PCB). Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 77 Device may not start temporarily, never been off for 20 min for 24 h. – Test volatile lockout Overpressure setting is detected. 356 B Power supply for the boiler is too low ▶ Establish supply voltage of at least 196 VAC. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 78 ▶ Replace the control unit and/or burner control unit. 1018 W Maintenance interval expired ▶ Check the maintenance date set in the menu. ▶ Reset the maintenance code via the reset menu. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 79 Fault in flue system ▶ Check the flue for obstructions and remove any found. ▶ Check the flue integrity test. ▶ Check for water in the sump and check the siphon operation. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 80 ▶ Check the resistance of the gas valve coils. ▶ Check the continuity of harness and replace if required. ▶ The gas valve or the PCB may have a fault. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 81 ▶ Check the CO settings and adjust. ▶ Check the burner and the heat exchanger gaskets and the inner flue gaskets. ▶ Check the gas pressure during burning at full load (working pressure, dropping low). Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 82 ▶ Check the heat exchanger sensor (primary thermistor) and the plug connected to the temperature sensor. ▶ Check the resistance of the temperature sensor and replace if required. ▶ Check the continuity of the harness and replace if required. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 83 ▶ Check the EMS connection cable for the remote control for damage. The BUS voltage on the remote control must be between 12 and 15 V DC. ▶ The remote control is defective. Table 36 Indicators and fault displays Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 84: Pump Operation And Diagnosis

    • Pump is not connected to mains ▶ Check cable connection and supply supply to pump. • Faulty LED ▶ Check if pump is running. • Faulty electronics ▶ Replace pump. Table 37 Pump operation and diagnosis Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 85: Faults That Are Not Displayed

    No function, the display remains dark. ▶ Check the electrical wiring for damage. ▶ Replace defective cables. ▶ Check the fuse, replace if required. Table 38 Faults that are not shown on the display Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 86: Environmental Protection And Disposal

    You can find more information here: www.weee.bosch-thermotechnology.com/ Batteries Batteries must not be disposed together with your household waste. Used batteries must be disposed of in local collection systems. Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 87: Technical Specifications/Logs

    Electrical Electrical power supply voltage a.c. V Frequency Maximum power consumption (running) 90/110 Maximum power consumption (stand-by)  Energy efficiency index (EEI) heating pump ≤ 0.2 ≤ 0.2 ≤ 0.2 Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 88 3) Appliances are fitted with a flow regulator set to achieve a 35°C temperature rise. A 40°C temperature rise is possible at lower flow rates. 4) Protection rating may change depending on the control unit/s used on this appliance. Table 39 Technical data Greenstar 2000 NG Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 89 Maximum condensate rate  pH value, approx. Electrical Electrical power supply voltage a.c. V Frequency Maximum power consumption (running) Maximum power consumption (stand-by)  Energy efficiency index (EEI) heating pump ≤ 0.2 ≤ 0.2 Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 90: Component Resistance Characteristics

    Base point (at the outside temperature + 20 °C) max Maximum flow temperature Flow temperature at the end point of the heating curve Flow temperature at the foot point of the heating curve Automatic heating switch-off (summer mode) Supply temperature Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 91: Internal Wiring Of The Appliance

    [19] Low voltage I/Os for controls Diverter valve [20] Code plug interface - Not used Exhaust gas temperature limiter [21] 230V external controls interface Gas valve [10] Flow temperature sensor [11] Fan Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 92: Setting Values For Output

    20.4 35.0 19.1 19.5 33.5 17.6 18.0 30.9 16.2 16.5 28.3 14.7 15.0 25.7 13.2 13.5 23.2 11.7 12.0 20.6 10.3 10.5 18.0 15.4 12.9 10.3 4.92 Table 42 GR2300iW 30 C Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 93: Gas Boiler System Commissioning Checklist And Warranty Validation Record

    GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation...

  • Page 94: Inspection And Maintenance Checklist

    ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ Table 43 Inspection and maintenance checklist Greenstar 2000 – 6 721 820 552 (2021/02)

  • Page 95: Service And Interim Boiler Work Record

    SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the manufacturers’...
  • Page 96 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the manufacturers’...

  • Page 97: Data Protection Notice

    6 (1) sentence 1 (f) GDPR. To exercise your rights, please contact us via privacy.ttgb@bosch.com To find further information, please follow the QR-Code. Greenstar 2000 – 6 721 820 552 (2021/02)
  • Page 100 CONTROLS AND CONNECTIVITY TEAM: 0330 123 3641 APPOINTMENTS: 0330 123 9339 SPARES: 0330 123 9779 LITERATURE: 0330 123 9119 TRAINING: 0330 123 0166 SALES: 0330 123 9669 Bosch Thermotechnology Ltd. Cotswold Way, Warndon Worcester WR4 9SW United Kingdom Tel. 0330 123 9559 worcester-bosch.co.uk...

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Gr2300iw c

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