Worcester Greenstar Heatslave 18/25, User Instructions

Page 1: ...ING COMBINATION BOILER CONVENTIONAL FLUE ROOM SEALED FLUE FOR OPEN VENT AND SEALED CENTRAL HEATING SYSTEMS WITH DOMESTIC MAINS FED HOT WATER THE BOILER IS FOR USE WITH KEROSENE 28 SECOND OIL ONLY UK USER INSTRUCTIONS CUSTOMER CARE GUIDE 8 716 106 253f 30 3 10 12 59 Page 1 ...

Page 2: ...OTHER MAKE OR MODEL OF BOILER THE INSTRUCTIONS APPLY IN MAINLAND UK ONLY AND SHOULD BE FOLLOWED EXCEPT FOR ANY STATUTORY OBLIGATION IF YOU ARE IN ANY DOUBT CONTACT THE WORCESTER BOSCH GROUP TECHNICAL SUPPORT THIS BOILER MUST BE INSTALLED BY A OFTEC REGISTERED COMPETENT PERSON FAILURE TO INSTALL CORRECTLY COULD LEAD TO PROSECUTION PLEASE LEAVE THIS GUIDE THE INSTALLATION INSTRUCTIONS AND THE COMPLE...

Page 3: ...hasing a Greenstar oil fired condensing boiler from Worcester Bosch Group The company prides itself on manufacturing boilers to the strictest quality control standards throughout every stage of production Worcester Bosch Group has led the field in innovative boiler design and performance for more than 40 years This heritage means all products are of exceptional quality and proven reliability The c...

Page 4: ...pt clear of chemically aggressive substances which can corrode the boiler and invalidate any warranty FITTING MODIFICATIONS Fitting the boiler and any controls to the boiler may only be carried out by a competent engineer in accordance with the relevant Installation Regulations Flue systems must not be modified in any way other than as described in the fitting instructions Any misuse or unauthoris...

Page 5: ...iagram below H Reset button flue thermostat behind front panel J Reset button boiler behind front panel K Holder for User Guide Lockout reset button locations All Models Remove front panel pull bottom of panel out and lift to remove to access Burner Reset Button G Thermostat Reset Buttons H and J are common to all models Alternative reset location If the reset button under the control panel does n...

Page 6: ...ating and hot water If the boiler is left unused and exposed to freezing conditions shut off all the mains supplies isolate the boiler and drain the system and boiler SETTING HEATING TEMPERATURE Turn the control clockwise to increase the water temperature to the radiators Turn the control anti clockwise to reduce the water temperature to the radiators The minimum and maximum ranges of the heating ...

Page 7: ...greater quantities of hot water WARNING care should be taken when washing your hands as the combination of low water flow rate and high setting of the hot water control thermostat can result in very hot water at the tap FROST PROTECTION Frost thermostats can be wired into the boiler Frost protection should be fitted to the system where the system is most exposed and at risk of freezing If there is...

Page 8: ...ing On sealed systems the red pointer should be set to the normal operating pressure 1 to 1 5 bar and the grey pointer will fluctuate around this pressure depending on whether the system is hot or cold If a sealed system pressure drops below 1 bar the system should be repressurised to between 1 and 1 5 bar using the filling link refer to page 7 Regularly check that the pressure is maintained If th...

Page 9: ...ressure follow these instructions 1 A pressure gauge should be visible from the filling link 2 Connect the flexible hose across the two valves one leading from the boiler and the other from the mains water supply The connecting nuts need only to be hand tight 3 Slowly open both valves ensuring that water does not leak from either end of the flexible hose 4 You will hear water passing through the h...

Page 10: ...R ON light on LOCK OUT light off Boiler not on No heating hot water Check the programmer is set to ON and roomstat is calling for heat Press reset buttons H and J both are below the fascia behind the front white panel see 5 below If the boiler remains off contact your service engineer for advice 4 POWER ON light off LOCK OUT light off Boiler not on No heating hot water Ensure there is power supply...

Page 11: ...e exceeded by large amount Temperature rises instead of falling No display or display unit does not respond Hot water temperature too low Radiators are too hot Clock is incorrectly set Momentary power failure Hot water temperature set too low Hot water not in timed period on the programmer Heatslave tank not up to temperature Increase thermostatic radiator valve setting s Increase CH flow temperat...

Page 12: ...ur boiler requires servicing please contact a Worcester Bosch Group contact centre see inside front cover for details In addition to the service contract we are pleased to offer a one off annual service or breakdown call out for your boiler Maintenance tips Regularly check the oil level in the tank Regularly check the system pressure ask your installer for guidance Do not obstruct the flue outlet ...

Page 13: ...ar after installation unless the installation conditions and usage demand more frequent services IMPORTANT Ensure that the service engineer completes the Service Record in the checklist after each service The completed checklist will be required in the event of any warranty work and may be required by the local Building Control Inspector NOTE The checklist and service interval record can be found ...

Page 14: ...the air supply must not be restricted or contaminated The boiler clearances must meet the minimum shown below for servicing and venting purposes If this clearance is less than 75mm the flue knock out panel sections must be removed to improve air circulation and cooling Do not place clothes or objects to hinder the air circulation required by the boiler SERVICE CLEARANCES 600mm 300mm 5mm 5mm 530mm ...

Page 15: ... one at low level and another at high level onto the same wall using the same air for circulation Combustion air must not be taken from a room or internal space containing a bath or shower and must not communicate with a protected area such as a hall stairway landing corridor lobby shaft etc Air vents must allow access for clean free air and must be sited to comply with the flue terminal position ...

Page 16: ...em you must contact a service engineer to inspect the installation and rectify any fault Only use additives compatible with the boiler and system Use of incompatible additives can cause damage and will invalidate the boiler guarantee CONDENSATE DRAIN This is a condensing boiler and the terminal will at times give out a plume of water vapour This is quite normal The boiler also produces quantities ...

Page 17: ...ors in unused rooms spare bedrooms etc you may experience slightly lower room temperatures in rooms adjacent to unheated rooms Heating economically The boiler is designed to provide a high level of comfort while keeping oil consumption and the resulting environmental effect as low as possible The central heating control on the boiler should be set as low as possible while still maintaining a comfo...

Page 18: ...er 24 months OR Our Field Service Engineer finds no fault with the boiler see Note OR Evidence cannot be provided that the first year service inspection has been carried out i e an entry in the service interval record found at the rear of the boiler installation and servicing manual OR The cause of breakdown is misuse or with other parts of your plumbing heating system or with equipment not suppli...

Page 19: ...epair of this boiler by third parties will not be accepted for payment by Bosch Thermotechnology Ltd That the householder may be asked to prove when requested the date of installation that the boiler was correctly commissioned and where appropriate that the 12 month service inspection has been carried out to the satisfaction of Bosch Thermotechnology Ltd when requested The guarantee card must then...

Page 20: ...up is a brand name of Bosch Thermotechnology Ltd 8 716 106 253f 03 2010 If the boiler fails to give complete satisfaction please check the following before calling for a service engineer General checks 1 Oil level in the tank 2 Power to the boiler 3 All control settings 4 The system pressure is appropriate for your system see page 6 8 716 106 253f 30 3 10 12 59 Page 20 ...