Summary of Contents for Bosch External System 12/18
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User Instructions and Customer Care Guide Floor standing oil fired condensing boiler conventional flue and room sealed flue Greenstar Danesmoor External Regular and External System 12/18, 18/25, & 25/32 For fully pumped open vent and sealed central heating systems and domestic hot water cylinders...
Key to symbols and safety instructions Key to symbols and safety instructions Key to symbols Warnings Health and safety The appliance contains no asbestos and no substances have Warnings in this document are identified by a been used in the construction process that contravene the warning triangle printed against a grey COSHH Regulations (Control of Substances Hazardous to background.
Using your boiler Using your boiler Controls 1. Temperature control 2. Pressure gauge (System boiler only) 3. Boiler mode indicator 4. Mode switch 5. Reset button - Heating (behind the front panel) 6. Reset button - Flue thermostat (behind the front panel) 7.
Using your boiler Operating the boiler 2.2.1 Switching the boiler on/off ▶ To switch on the boiler; turn on the water, oil and electricity supply to the boiler. ▶ Check the programmer/timer is correct and is set to ON. ▶ Set the room thermostat to the desired setting. ▶...
Using your boiler 2.2.5 Fault conditions The ‘Boiler mode’ and ‘Lockout’ lights can indicate some basic fault conditions: 1. Accessing controls 1. Accessing controls: ▶ Undo the screws on the bottom of the front panel using the tool provided. The panel can be removed by pulling out at the base and then sliding down to disengage from the lid.
Using your boiler 2.2.6 Fault finding Problem Cause Remedy Desired room temperature is Thermostatic radiator valve(s) set too low Increase thermostatic radiator valve setting(s) not reached Room temperature set too low Increase room temperature setting Temperature control on the boiler set too low Increase temperature control setting Air is trapped in the heating system Bleed radiators and recharge heating system...
If you would like to know more about servicing options from Worcester, Bosch Group, please visit worcester-bosch.co.uk. Please tick the appropriate box on your warranty registration card for further details of the Worcester, Bosch Group Service Contract. When your boiler requires servicing please contact a Worcester, Bosch Group contact centre (see the back cover for details).
External filling loop (Sealed system only) External filling loop (Sealed system only) NOTICE: External filling loop ▶ If the filling loop does not look like the one shown in the figure below or you cannot find your filling loop, contact your installer.
General information General information WARNING: 600mm ▶ External equipment operating at 230 Volts must not be serviced or repaired during adverse weather conditions. ▶ Do not use pressure washers or steam cleaners on this appliance or cabinet. Fuel This appliance is designed to use 28 second kerosene, no other fuel must be used.
General information General notes To get the best from your boiler, read these instructions carefully. Central heating system During the first few hours of operation of the central heating system, check that all radiators are being heated at an even rate.
Energy saving Energy saving Tips on energy saving Room thermostats Roof insulation Reducing the setting of the room thermostat by 1°C can reduce Around 30% of the heat loss from a property is through the fuel consumption by up to 10%. roof.
Guarantee Guarantee Fault or breakdown This boiler is supported in mainland UK by Worcester, Bosch Boiler data label Group, part of Bosch Thermotechnology Ltd. The data label [1] can be found on the inside of the right hand side panel.
▶ This guarantee applies only to equipment purchased and installed in mainland UK. This guarantee is given in addition to all your normal statutory rights. Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. Danesmoor External & External System – 6 720 809 792 (2013/10)