Greenstar cdi classic regular wall hung rsf gas fired condensing regular boiler, for open vented and sealed central heating systems and indirect domestic hot water (48 pages)
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.
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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)
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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)
– 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)
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)
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)
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)
▶ 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)
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)
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)
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.
▶ 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)
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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)
▶ 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.
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• 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)
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– 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)
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)
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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)
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▶ 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)
±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)
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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)
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)
▶ 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)
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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)
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)
▶ 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 ▶...
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)
▶ 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)
▶ 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)
• 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)
– 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)
▶ 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)
▶ 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.
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)
– 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)
▶ 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)
▶ 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...
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)
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)
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)
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)
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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)
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)
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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)
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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)
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)
– 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)
▶ 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)
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...
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▶ 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)
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▶ 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)
▶ 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)
▶ 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.
▶ 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.
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)
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)
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)
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)
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)
▶ 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.
▶ 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)
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▶ 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)
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– 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)
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▶ 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)
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▶ 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)
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▶ 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)
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▶ 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)
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▶ 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)
▶ 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)
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▶ 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)
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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)
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)
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)
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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)
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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)
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)
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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)
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)
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)
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[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)
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...
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’...
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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’...
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