Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

Gas-fired condensing combi appliance
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Installation and Maintenance Instructions
Gas-fired condensing combi appliance
Greenstar 4000
GR4700iW C

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Summary of Contents for Worcester Greenstar 4000

  • Page 1 Installation and Maintenance Instructions Gas-fired condensing combi appliance Greenstar 4000 GR4700iW C...
  • Page 2: Table Of Contents

    Removing the pump......67 Flue turret/adaptor installation ....38 Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 3 Inspection and maintenance checklist ... . .93 13.10 Service and Interim Boiler Work Record ... .94 Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 4: Explanation Of Symbols And Safety Instructions

    Explanation of symbols and safety instructions • If you are in any doubt, contact the Worcester, Explanation of symbols and safety instructions Bosch Group help line (0330 123 3366). Explanation of symbols • Distance learning and training courses are available Warnings from Worcester.
  • Page 5 Benchmark Checklist (or a certificate immediately. confirming compliance with IS 813, Eire only) and – Call an approved contractor. the operating instructions with the user or at the gas – Have any defects rectified. meter. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 6 H Fitting and modification Fitting the appliance and any controls to the appliance may only be carried out by a competent engineer in accordance with the current Gas Safety (Installation and Use) Regulations. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 7: Regulations

    – Flues and ventilation for gas appliances of rated heating not • Quick tap water saving function. exceeding 70kW (net): Air Supply • Digital Pressure sensor • BS7593 – Treatment of water in domestic hot water central heating systems Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 8: Scope Of Delivery

    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 4000 – 6 720 891 161 (2020/09)
  • Page 9: Product Identification

    D Flue centre from rear of appliance 1) 724mm to middle of top panel. 710mm side panel height. Bottom panel is removable and not part of minimum clearance height requirements. Table 3 Appliance and flue outlet dimensions Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 10: Product Overview

    Product Information Product overview 0010035123-001 Fig. 3 Product overview Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 11: Standard Accessories

    Table 7 EasyControl accessories 1) These components are sourced from multiple suppliers and therefore contain small design differences. Please refer to the relevant maintenance chapter for more detailed information. Spare parts are fully interchangeable. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 12: Pre-Installation

    ▶ If the system is partially drained for maintenance or repair work, the temperature control is required by the user. system must be refilled by utilising the bypass valve at the water softener. The pH and inhibitor levels should be checked. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 13: System Layouts Examples

    If the dissected lines are in area A then no additional expansion is required. If the dissected line is in are B then an additional expansion vessel must be installed ( Fig. 4). Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 14: System Fill

    This is to ensure that the equipment is in good working order and can meet the gas flow and pressure requirements, in addition to the demand from any other appliance being served. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 15: Water Supply

    5.21 8.86 20.5 0.79 4.19 8.33 17.9 0.70 3.62 7.25 15.5 0.60 3.20 6.51 13.5 0.53 2.86 5.61 12.9 0.50 2.58 5.24 12.0 0.47 2.58 4.87 Table 10 Liquid Petroleum Gas (LPG) Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 16: Appliance Location And Clearances

    DANGER Danger from explosive and flammable materials: Frost protection can also be achieved for systems with Worcester Storage of explosive and flammable materials. weather compensating controls installed. ▶ Do not store flammable materials (paper, curtains, clothing, primer, paint, …) in proximity to the appliance.
  • Page 17: Rooms Containing A Bath Or Shower

    ▶ Do not restrict this space with the addition of cupboards, shelves etc. next to or around the appliance. ▶ Do not store any combustible materials on or next to the appliance, such as clothes, towels, paper or plastic bags. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 18 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 - 186mm Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 19: Flue Systems Considerations

    ▶ If this is not possible, bends should be viewable from both directions. 60/100 80/125 Table 16 Effective length of SimpleSwitch flue adaptor Refer to the manual supplied with the Worcester, Bosch Group flue kit for 4.4.2 Flue options complete installation instructions.
  • Page 20 • Flue length [L] (initial bend included in length calculation) – Maximum flue length as stated in "Maximum horizontal flue lengths" minus the 90° bend equivalent straight flue length as stated in Table 15 "Effective length of bends". Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 21 – Maximum flue length as stated in "Maximum vertical flue lengths" minus the equivalent length of the SimpleSwitch flue adaptor as stated in table Table 16 "Effective length of SimpleSwitch flue adaptor". Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 22: Plume Management System

    Minimum plume management length: The minimum distance of 500mm must be maintained between air inlet and exhaust. ▶ Do not terminate the plume management inside the terminal exclusion zone (shaded area) shown in figure 29. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 23 1,200mm separation measured between a vertical flue and a horizontal flue terminal. For the purpose of determining suitable flue terminal positions for gas appliances, the boundary can be considered to extend to the Greenstar 4000 – 6 720 891 161 (2020/09)
  • 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. 31 Horizontal flue terminal positions Greenstar 4000 – 6 720 891 161 (2020/09)
  • 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 4000 – 6 720 891 161 (2020/09)
  • Page 26: Plume Re-Direct And Plume Management Terminal

    ±80° EXCLUSION ZONE EXCLUSION ZONE EXCLUSION ZONE 1500 1200 BOUNDARY LINE OPENING FLUE TERMINAL GUARD OPPOSITE 7 716 191 176 2000 BOUNDARY LINE Fig. 32 Plume re-direct and plume management terminal positions Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 27 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 4000 – 6 720 891 161 (2020/09)
  • Page 28: Condensate Discharge

    The condensate pipe must have a nominally outside diameter of 22mm plastic pipe. ▶ Ensure there are no blockages in the pipe run. ▶ Ensure that the discharge method for the installation can effectively handle the condensate waste from the appliance. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 29: External Connections

    ▶ All external pipe drainage will be improved if the end is cut at 45° as opposed to a straight cut. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 30 Fig. 38 Disposal to open drain or gully with air break Condensate discharge from appliance Pipework transition Additional protection for transition through a wall. ( page 30) [11] External air break [21] Increase pipe size Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 31 Trace heating fitted: • Check with trace heating manufactures instructions for additional requirements. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 32: Pressure Relief Discharge

    The tundish should be sited in a position where damage to the property or injury to occupants cannot occur from any spillage or discharge. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 33: Cleaning Primary Systems

    ▶ The Building Services Compliance Guide recommends that a primary water cleanser is fitted to the system. ▶ Worcester Bosch recommend fitting a filter that will help remove both Existing appliances/circulation pumps magnetite and non-magnetic debris. Worcester offers various filters that helps remove both magnetite and ▶...
  • Page 34: Installation

    Residue, metal shavings, and contaminants in the system pipework can damage the appliance. ▶ Flush the system pipework thoroughly to remove all residue. ▶ Follow the instructions with respect to cleaning primary systems. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 35: Mounting Frame Fixing

    ▶ Mark from the centre line of the wall mounting template to the wall which the flue will pass through. ▶ Allow for a rise of 52mm per metre length of flue, to give a 3° angle. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 36: Appliance Connections

    For further ease of fitting, an optional Vertical Pre-piping Assembly kit (7 733 601 250) is available, comprising of pre-formed copper CH and DHW pipes. Fig. 45 Condensate drain pipework detail Protrusion dimension - 25mm Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 37: Hanging The Appliance

    ▶ Ensure the sealing washers are fitted to the appropriate service valves before installing the appliance onto the mounting frame. Fig. 48 Wall frame preparation ▶ Ensure that the control panel is in its closed position before lifting the appliance. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 38: Flue Turret/Adaptor Installation

    • Ensure the external wall seal is fitted and properly located in the groove provided on the terminal. This seal must be installed in the groove unless the flue is extended beyond a gutter or balcony as shown in the installation instructions. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 39: Electrical Connection

    – A spare strain relief is supplied in the hardware pack, if required. ▶ Connect the cable so that the protective conductor (earth) is longer than the other wires. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 40: Cable Preparations

    ▶ Guide the cable through the grommet. ▶ Connect the cable to the terminal strip for external accessories and the protective conductor (PE) to the \ rail. ▶ Secure the cable on the strain relief. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 41 ▶ Connect 2-core cable. External frost thermostat. Table 20 Low voltage (signal cables) terminal strip for optional • FS output (frost thermostat supply). accessories • FR input (frost thermostat return). No functionality; not used. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 42: External Controls - Domestic Installations

    ▶ In cases where all attempts to find a system micro leak have failed, Checks before commissioning: Worcester, Bosch Group supports the use of Fernox F4 leak sealer. ▶ Check that the service and water pipes are connected correctly. ▶ Check the gas type specified on the identification plate matches that of the gas supply and that the gas supply is properly purged.
  • Page 43: Filling The Appliance And Adding Inhibitor

    The set maximum flow temperature appears. ▶ Press the  or  keys to set the desired maximum flow temperature. ▶ The setting is saved automatically after two seconds. Then the symbol is briefly displayed. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 44: Chimney Sweep Mode

    – The appliance will ramp up to maximum output in approximately additional heat transfer. 30 to 35 seconds. ▶ Set the appliance running at maximum output in chimney sweep mode ( 6.4 "Chimney sweep mode"). Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 45: Checking The Gas Rate

    ▶ Do not allow leak detection fluid to come into contact with the 18 - 22 mbar 0010012820-001 electrical components. Fig. 63 Natural Gas pressures Pressure loss across the appliance Pressure reading at inlet test point Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 46: 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 47: Checking Flue Integrity

    The flue gas analysis performance of the appliance can be checked via the flue turret/adaptor sample points. Refer to figure 67 for the location of the flue gas sample point on flue turret/adaptor. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 48: Finishing Commissioning

    Your statutory rights are not affected by the manufacturer’s guarantee ▶ Show the customer how to safely isolate the appliance. ▶ Advise the customer where they can find information on the Worcester, Bosch Group website www.worcester-bosch.co.uk. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 49: Settings In The Service Menu

    The new value is saved. Exiting the menu item without saving values ▶ Press the d key. The value is not saved. ▶ Enter modified settings. ▶ Affix label to the appliance in a visible location. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 50: Service Menu

    1) Not available in every system configuration. 2) Menu items only visible if automatic filling facility fitted 3) Only available with installed Key Timer (accessory) 4) Available when Pump range map has been changed to Output dependent Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 51 10 seconds, after this period of time the other components that can be tested will appear in the menu. Components such as HC1 pump, DHW circulation pump and Solar pump will show if connected to the control board. 2) Available when Maintenance has been activated Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 52: Benchmark And Info Menu

    1) Only available if DHW preheat kit is fitted 2) Menu items only visible if automatic filling facility fitted 3) Only available with installed Key Timer (accessory) 4) Menu items only visible if Solar connected Table 23 Info menu Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 53: Settings Menu

    • 1: constant pressure 150 mbar • 2: constant pressure 200 mbar • 3: constant pressure 250 mbar • 4: constant pressure 300 mbar • 5: constant pressure 350 mbar • 6: constant pressure 400 mbar Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 54 Start filling • Yes This function allows manual system filling, via the boiler menus, when an automatic filling link is installed. • No Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 55 1) Menu items only visible if automatic filling facility fitted 2) Only available with installed Key Timer (accessory) Table 24 Settings menu Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 56: Menu Function Check

    Menu item Settings/adjustment range Remark/restriction Demo mode • Yes ▶ To exit Demo mode: switch the device off and back on. • No Table 27 Menu Demo mode Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 57: Thermal Disinfection

    – Refer to the fault finding pages for rectification procedure. Personnel and equipment ▶ Any service work must carried out by competent registered engineers. ▶ Service work must not be attempted if a calibrated CO/CO analyser and manometer are not available. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 58: Component Access

    ▶ Check that the siphon is not restricted or blocked. ▶ Check the exhaust paths for restrictions. ▶ Clean the heat exchanger with a suitable cleaning tool, refer to cleaning section. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 59: Check Working Gas Inlet Pressure

    After all checks have been completed and the CO is still out of tolerance ▶ Disconnect the digital manometer and replace the test point cover. then contact Worcester, Bosch Group helpline 0330 123 3366 before making any adjustment to the gas valve. Check working gas inlet pressure...
  • Page 60 ▶ 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. 74 Removing the burner Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 61 ▶ Check that pathways are clear by carrying out Checking heat exchanger assembly, ( section 8.3). ▶ Check and adjust if required the gas/air ratio. Fig. 76 Cleaning the heat exchanger ▶ Clean out residue and re-fit the inspection aperture again. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 62: Cleaning The Condensate Trap

    ▶ Remove the gasket on the top of the siphon. ▶ Check the gasket for cracks, deformation or breakage and replace if required. ▶ Align the gasket [1] correctly with the siphon. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 63: Setting The Air/Gas Ratio

    ▶ The air/gas ratio is factory set and should not need to be adjusted. If found to be out of tolerance and when all other possible causes have been checked, please contact the Worcester Bosch Group helpline 0330 123 3366.
  • Page 64: Replacement Parts

    ▶ Also after re-assembly, carry out the following checks:  Fan pressure.  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.
  • Page 65: Removing The Heat Exchanger Assembly

    Refer to figure 86. ▶ Release the flue pipe clip. ▶ Push the flue pipe up. ▶ Remove the bracket screws. 0010035014-001 Fig. 87 Removing the strainer from the cold water pipe Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 66: Checking/Replacing The Motor Of The 3-Way Valve

    10 seconds, after this period of time the other components that can be tested will appear in the menu. Components such as HC1 pump, DHW circulation pump and Solar pump will show if connected to the control board. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 67: Removing The Pump

    10 seconds, after this period of time the other components that can be tested will appear in the menu. Components such as HC1 pump, DHW circulation pump and Solar pump will show if connected to the control board. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 68: Replacing The Gas Valve

    Fig. 95 Removing the plate heat exchanger ▶ Install the new plate heat exchanger in reverse order. – Make sure that the lugs are fully inserted into the retaining points on the right. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 69: Replacing The Pressure Sensor

    From the front of the boiler: 1. Release at least two of the retaining clips on the pressure gauge mount. 2. Pull the pressure gauge forward and down to remove. 0010035348-001 Fig. 101 Control unit removal preparations Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 70: Fault Finding And Diagnosis

    ▶ Remove the display cover panel [3] from the control unit [2]. This fault finding information is for guidance only. Worcester cannot be – Lift up and forwards to release the display cover panel [3]. held responsible for costs incurred by persons not deemed to be competent.
  • Page 71: 10.1.2 Operating/Fault Code Table

    ▶ Replace the control unit and/or burner control unit. Boiler locked by external switching contact External cut off switch not used in UK: ▶ Ensure nothing is plugged into red I3 connection. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 72 ▶ Replace the control unit. System fault boiler electronics / basic ▶ Reset appliance electronics (factory reset). controller ▶ Check the electrical connections on the board (check for loose wires etc.). ▶ Replace the control unit. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 73 – If this causes nuisance then please power the appliance off and on again at a more suitable time; the daily kick will then occur at the time the appliance is turned on again. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 74 ▶ Check appliance electronics, replace control unit if necessary. 1070 W Maintenance is due on <dd.mm.yyyy> Advanced service reminder warning. please call your service engineer ▶ Check the maintenance menu. ▶ Reset the maintenance code via the reset menu. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 75 ▶ Check the continuity of harness and replace if required. ▶ Check the resistance of the gas valve coils. ▶ The gas valve or the appliance electronics (control unit) may have a fault. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 76 ▶ If fault persists, replace control unit. 2957 V Boiler electr. system fault ▶ Reset appliance electronics (factory reset). ▶ Check the electrical connections on the board (check for loose wires etc.). ▶ Replace the control unit. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 77 ▶ Switch off the intelligent fill in the system menu, re-pressurise manually and vent the system. ▶ Ensure the correct pressure. If cause code does not clear, power off appliance. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 78 ▶ Disconnect the EMS-BUS connection to the control unit and power the boiler off and back on again. Reconnect the EMS-BUS connection. ▶ If the problem persists the room control may be defective. Table 31 Indicators and fault displays Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 79: 10.1.3 Faults That Are Not Displayed

    ▶ Check the electrical wiring for damage. ▶ Replace defective cables. ▶ Check the fuse, replace if required. One spare fuse is supplied. Table 32 Faults that are not shown on the display Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 80 ▶ This should be confirmed by taking water samples to check pH levels and turbidity. ▶ Failure to properly maintain the heating system may result in damage to the system and appliance, and may affect the boiler warranty. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 81 Further gassing. investigation The system should required be cleaned and treated to comply with BS 7593 0010036323-001 Fig. 103 System gassing flow chart Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 82: 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 4000 – 6 720 891 161 (2020/09)
  • Page 83: Technical Specifications/Logs

    Gas group classification (gas type) UK/IE CATII 2H/3P Installation type General data Expansion vessel capacity Expansion vessel pre-charge pressure 0.75 0.75 0.75 Appliance protection rating Permissible ambient temperature °C 0-50 0-50 0-50 Nominal capacity of the appliance Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 84 Electrical power supply voltage a.c. V Frequency Maximum power consumption (stand-by) Maximum power consumption (heating) Maximum power consumption (Domestic Hot Water)  Energy efficiency index (EEI) heating pump ≤ 0.20 ≤ 0.20 Approval data Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 85 2) Propane/butane mixture for fixed containers with capacity up to 15 000 litres. 3) Appliances are fitted with a flow regulator set to achieve a 40°C temperature rise. This ensures comfortable bathing during the colder winter months. Table 34 Technical data Greenstar 4000 Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 86: Energy Consumption

    2) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). 3) XL tapping cycle declared in accordance with EN 13203-2, clause 5.2 Table 35 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 87 2) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). 3) XL tapping cycle declared in accordance with EN 13203-2, clause 5.2 Table 36 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 88: Component Resistance Characteristics

    12 657 10 115 8 138 6 589 5 367 4 398 3 624 3 002 2 500 2 092 1 759 1 486 1 260 1 074 Table 38 DHW temperature sensor Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 89: Pump Characteristic Map Of The Heating Pump

    CH system increases, the pump speed reduces to maintain the pressure. The setting (1 - 6) to be selected is dependent upon the resistance and heat load of the CH system. The higher these are, the higher the pressure constant. Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 90: Internal Wiring Of The Appliance

    13.7 Internal wiring of the appliance 10 11 12 PUMP POWER SPARK FAN CONTROL PRESSURE TURBINE PUMP STEPPER SENSOR VALVE CONTROL IGNITOR POWER CABLE MOTOR POWER 230V 0010036469-001 Fig. 105 Electrical wiring Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 91 [25] Connecting lead for Key accessory slot [26] Connection for the automatic filling accessory [27] Connection for the pre-heat kit sensor accessory [28] Earth rail [29] Boiler mains cable (230V) [30] Ignition transformer earth Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 92: 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 93: Inspection And Maintenance Checklist

    ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ Table 45 Inspection and maintenance checklist Greenstar 4000 – 6 720 891 161 (2020/09)
  • Page 94: 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 95 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 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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