Worcester Greenstar 4000 Installation And Maintenance Instructions Manual
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Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

Gas-fired condensing system appliance
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Gas-fired condensing system appliance
Greenstar 4000
GR4700iW S

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Barry Rogers
March 11, 2025

I’m trying to connect a 220 volt room thermostat & it used to be Ls & lr but I’m lost on this one

0
2 comments:
Mr. Anderson
March 11, 2025

The Worcester Greenstar 4000 operates on a 230V power supply. To connect a 220V room thermostat, follow these steps:

1. Check Compatibility – Ensure the thermostat is compatible with a 230V system.
2. Locate Terminal Strip – Identify the low voltage (signal cables) terminal strip in the boiler.
3. Power Off – Turn off the power supply before making any connections.
4. Wiring – Connect the room thermostat wiring to the appropriate terminals as specified in the boiler’s wiring diagram.
5. Verify Polarity – Ensure correct polarity and secure connections.
6. Restore Power & Test – Turn the power back on and test the thermostat for proper operation.

Always follow the IET Wiring Regulations (BS7671) and ensure proper circuit protection. If unsure, consult a qualified electrician.

This answer is automatically generated

0
Barry Rogers
March 12, 2025

@Mr. Anderson

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Summary of Contents for Worcester Greenstar 4000

  • Page 1 Installation and Maintenance Instructions Gas-fired condensing system appliance Greenstar 4000 GR4700iW S...
  • Page 2 Replacing the expansion vessel ....68 Electrical connection ......40 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 3 Inspection and maintenance checklist ... . .93 13.9 Service and Interim Boiler Work Record ... .94 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 4 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 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 7 – Flues and ventilation for gas appliances of rated heating not exceeding 70kW (net): Air Supply • BS7593 – Treatment of water in domestic hot water central heating systems 1) Function available when optional integral diverter valve kit is fitted. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 8 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 – 6 720 891 162 (2020/09)
  • Page 9 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 – 6 720 891 162 (2020/09)
  • Page 10 Product Information Product overview 32 13 0010035359-001 Fig. 3 Product overview Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 11 [15] Gas connection 7 733 600 091 Heat exchanger cleaning kit [16] Key control (accessory) housing 1) Optional Worcester controls are available if the integral diveter valve kit is used. [17] Control unit Table 5 Appliance accessories [18] Fuse (replacement) [19] CH flow connection 3.7.2...
  • Page 12 • It is best practice to fit Thermostatic Radiator Valves (TRV's) to all radiators, except the area where the room thermostat is sited which must be fitted with lockshield valves that are left open. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 13 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 4000 – 6 720 891 162 (2020/09)
  • Page 14 9. Although it is accepted common practice to install 2-port motorised valve in the primary flow pipe to the cylinder and wired to the dual- Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 15 • Additional equipment wired to the appliance must comply with the latest IET wiring regulations. • Appliance protection rating - IPX4D • When using a control Key product the boiler rating is maintained at IPX4D. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 16 • The appliance is not suitable for external installation. • Protect installation area against dust and moisture. Frost protection can also be achieved for systems with Worcester No surface protection is required against heat transfer from the weather compensating controls installed.
  • Page 17 ▶ 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 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 19 ▶ If this is not possible, bends should be viewable from both directions. Effective flue length 60/100 80/125 Refer to the manual supplied with the Worcester, Bosch Group flue kit for Table 16 Effective length of SimpleSwitch flue adaptor complete installation instructions. 4.4.2...
  • 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 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 22 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 31. Greenstar 4000 – 6 720 891 162 (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 – 6 720 891 162 (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. 33 Horizontal flue terminal positions Greenstar 4000 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 26 ±80° EXCLUSION ZONE EXCLUSION ZONE EXCLUSION ZONE 1500 1200 BOUNDARY LINE OPENING FLUE TERMINAL GUARD OPPOSITE 7 716 191 176 2000 BOUNDARY LINE Fig. 34 Plume re-direct and plume management terminal positions Greenstar 4000 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 28 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 – 6 720 891 162 (2020/09)
  • Page 29 ▶ All external pipe drainage will be improved if the end is cut at 45° as opposed to a straight cut. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 30 Fig. 40 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 – 6 720 891 162 (2020/09)
  • Page 31 Trace heating fitted: • Check with trace heating manufactures instructions for additional requirements. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 32 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 – 6 720 891 162 (2020/09)
  • Page 33 ▶ 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 varies filters that helps remove both magnetite and ▶...
  • Page 34 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 – 6 720 891 162 (2020/09)
  • Page 35 ▶ 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 – 6 720 891 162 (2020/09)
  • Page 36 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. 47 Condensate drain pipework detail Protrusion dimension - 25mm Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 37 ▶ Ensure the sealing washers are fitted to the appropriate service valves before installing the appliance onto the mounting frame. ▶ Ensure that the control panel is in its closed position before lifting the appliance. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 38 ▶ The bonded washer must be used on the gas pipe isolating valve connection. ▶ Ensure the sealing washers are correctly seated on the appropriate service connectors before installing the appliance. Fig. 52 Siphon fitting Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 39 – This should be pushed straight down, on to the appliance. ▶ The three inner flue tube retaining screws [1] are re-used to secure the flue turret [A]. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 40 – 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 – 6 720 891 162 (2020/09)
  • Page 41 ▶ 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 – 6 720 891 162 (2020/09)
  • Page 42 & connection. See optional diverter valve kit instructions for fitting details. This kit also allows for the Worcester controls options to be used. ▶ The power supply to external controls must be taken from the No functionality;...
  • Page 43 ▶ In cases where all attempts to find a system micro leak have failed, ▶ Check the gas type specified on the identification plate matches that Worcester, Bosch Group supports the use of Fernox F4 leak sealer. of the gas supply and that the gas supply is properly purged.
  • Page 44 2. Set the chimney sweep mode and set the appliance at minimum rated Hot water button: Hot water mode home screen. output. Heating button: Heating mode home screen. See the operating instructions for a description of the user menus. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 45 ▶ Set the appliance running at maximum output in chimney sweep mode ( 6.4 "Chimney sweep mode"). ▶ Check the required gas supply pressure according to following section "Gas pressure within the system". Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 46 Fig. 65 Natural Gas pressures ▶ Do not allow leak detection fluid to come into contact with the electrical components. Pressure loss across the appliance Pressure reading at inlet test point Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 47 ▶ 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 48 The flue gas analysis performance of the appliance can be checked via the flue turret/adaptor sample points. Refer to figure 69 for the location of the flue gas sample point on flue turret/adaptor. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 49 ▶ Give the customer details of how to contact the installer/ gas emergency numbers. ▶ 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 – 6 720 891 162 (2020/09)
  • Page 50 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 – 6 720 891 162 (2020/09)
  • Page 51 1) Menu item only visible if integral diverter kit is fitted. 2) Only available with installed Key Timer (accessory). 3) Not available in every system configuration. 4) Available when Pump range map has been changed to Output dependent Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 52 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 – 6 720 891 162 (2020/09)
  • Page 53 Current faults 1) Menu item only visible if integral diverter kit is fitted. 2) Only available with installed Key Timer (accessory) 3) Menu items only visible if Solar connected Table 23 Info menu Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 54 The heating pump is only switched on if required. • With heat demand: the flow temperature controller switches the heating pump. When there is heat energy demand, the heating pump starts up with the burner. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 55 This is only displayed if the heating curve has been enabled. This can be used to set the outside temperature threshold at which the heating system switches to summer mode i.e. heating off. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 56 If the outside temperature does not exceed the frost threshold temperature, then the heating pump in the heating circuit switches on. 1) Only available with installed Key Timer (accessory) Table 24 Settings menu Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 57 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 – 6 720 891 162 (2020/09)
  • Page 58 – 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 – 6 720 891 162 (2020/09)
  • Page 59  -3.4 mbar -3.5 mbar  -12 mbar 12kW 0 mbar Table 29 LPG values If the manometer reading is within tolerance, in the white area of the table values. ▶ The heat exchanger/exhaust path/siphon does not require attention. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 60 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 61 ▶ 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 4000 – 6 720 891 162 (2020/09)
  • Page 62 ▶ 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. 78 Cleaning the heat exchanger ▶ Clean out residue and re-fit the inspection aperture again. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 63 ▶ 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 – 6 720 891 162 (2020/09)
  • Page 64 ▶ 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 65 ▶ 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 66 Fig. 87 Separating components from the heat exchanger assembly Removing the heat exchanger assembly Refer to figure 88. ▶ Release the flue pipe clip. ▶ Push the flue pipe up. ▶ Remove the bracket screws. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 67 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 – 6 720 891 162 (2020/09)
  • Page 68 ▶ Slide the expansion vessel [4] towards you to remove. Fig. 95 Pressure sensor removal ▶ Replace the pressure sensor in the reverse order Fig. 93 ▶ Replace the expansion vessel in the reverse order Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 69 ▶ Remove connectors from the PCB on the both terminal strip sides. – Power supply (power cables) terminal strip (2). – Low voltage (signal cables) terminal strip (3). ▶ Remove connector for the Key accessory slot [4]. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 70 Fault finding and diagnosis Fault finding and diagnosis This fault finding information is for guidance only. Worcester cannot be held responsible for costs incurred by persons not deemed to be competent. This fault finding system assumes that the appliance has been operating normally until the time of failure (i.e.
  • Page 71 ▶ Ensure nothing is plugged into red I3 connection. Boiler identification module or device ▶ Wrong code plug is inserted. electronics faulty ▶ Check the code plug is not damaged. ▶ Replace the code plug if required. Greenstar 4000 – 6 720 891 162 (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 – 6 720 891 162 (2020/09)
  • Page 73 ▶ Check the code plug is not damaged. ▶ Replace the code plug if required. – Boiler identification module or boiler Is not a fault. electronics faulty • Service plug detected. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 74 Tip: Check the weather compensation is applicable and the menu has not been up operation active accidentally switched on in the menu. ▶ Check the positioning of the outside weather sensor. ▶ Check the weather sensor connections on the control board. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 75 ▶ Create a heat demand to test the boiler's ignition sequence. ▶ Check the voltage to the fan and the continuity of the fan harness. ▶ Check the power modulation on the fan. ▶ PCB may be defective. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 76 No flame signal following starting procedure ▶ Check gas pressure whilst burning at full load. ▶ Check CO settings, adjust if necessary. ▶ Check Burner and heat exchanger gaskets. ▶ Burner restarts automatically after purging. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 77 ▶ Check the heat exchanger sensor for break or short circuit, replace if required. ▶ Check the resistance of the supply sensor for break or short circuit, replace if required. ▶ Check the continuity of harness, replace if required. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 78 ▶ 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 – 6 720 891 162 (2020/09)
  • Page 79 ▶ 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 – 6 720 891 162 (2020/09)
  • Page 80 Further gassing. investigation The system should required be cleaned and treated to comply with BS 7593 0010036323-001 Fig. 100 System gassing flow chart Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 81 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 – 6 720 891 162 (2020/09)
  • Page 82 2) The Gas Rate provided assumes the accepted NG averaged calorific value of 34-9 MJ/m net. 3) Propane/butane mixture for fixed containers with capacity up to 15 000 litres. Table 33 Technical data Greenstar 4000 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 83 2) The Gas Rate provided assumes the accepted NG averaged calorific value of 34-9 MJ/m net. 3) Propane/butane mixture for fixed containers with capacity up to 15 000 litres. Table 34 Technical data Greenstar 4000 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 84 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). Table 35 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 85 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). Table 36 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 86 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). Table 37 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 162 (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). Table 38 Product data on energy consumption Greenstar 4000 Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 88 Table 44 Code plug 6 650 5 521 4 606 3 855 3 242 2 744 2 332 1 989 1 703 1 463 1 262 1 093 Table 40 Cylinder temperature sensor Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 89 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 – 6 720 891 162 (2020/09)
  • Page 90 13.6 Internal wiring of the appliance 10 11 12 PUMP POWER SPARK FAN CONTROL PRESSURE TURBINE PUMP STEPPER SENSOR CONTROL VALVE IGNITOR POWER CABLE MOTOR POWER 230V 0010036471-001 Fig. 102 Electrical wiring Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 91 [25] Earth rail [26] Boiler mains cable (230V) [27] Ignition transformer earth 1) Only applicable when fitting the optional integral diverter valve kit. 2) Supplied with optional integral diverter valve kit. Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 92 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 ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ ________________________ ___________________ Table 45 Inspection and maintenance checklist Greenstar 4000 – 6 720 891 162 (2020/09)
  • Page 94 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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