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17

TIPS ON ENERGY SAVING

6 720 803 600 (2012/06)

7

TIPS ON ENERGY SAVING

HEATING ECONOMICALLY

The boiler is designed to provide a level of comfort while keeping gas consumption and the resulting environmental effect as low as 
possible. The gas supply to the burner is controlled according to the level of demand for heat. The boiler continues to operate with 
a low flame if the demand of heat reduces. The technical term for this is modulating control. Modulating control reduces 
temperature 
fluctuations and provides even distribution of heat throughout the home. This means that the boiler may stay on for relatively long 
periods but will use less gas than a boiler that continually switches on and off.

NEW CONTROL SYSTEMS

Upgrade your heating control system if necessary with the latest equipment available. The minimum level of control is a 
programmer, interlocking room thermostat and thermostatic radiator valves.

CENTRAL HEATING SYSTEMS WITH ROOM THERMOSTATS AND THERMOSTATIC RADIATOR VALVES

The central heating control on the boiler should be set to maximum rated temperature of the central heating system. The 
temperature of each room can be set individually (except room with the room 
thermostat) using the thermostatic radiator valves. If damaged, replace the plastic tops used to adjust the thermostatic radiator 
valve. It is also advisable to manually adjust all thermostatic radiator valves every 2-3 weeks to prevent them sticking.

ROOM THERMOSTATS

Reducing the setting of the room thermostat by 1°C can reduce fuel consumption by up to 10 %.

ROOF INSULATION

Around 30 % of the heat loss from a property is through the roof. Replace any old insulation with new insulation, preferably of 
around 200 mm thickness or more.

WINDOW FRAMES

Single glazed windows, particularly those with steel frames, can loose a great deal of heat. Consideration should be given to 
replacement with PVCu or wooden framed double glazing units.

CURTAINS

Lined curtains, or heavier full length curtains can provide excellent insulation. However, always ensure that the curtains do not 
drape over radiators.

DRAUGHTS

To ensure that draughts around doors, windows, letterboxes and keyholes etc. are reduced by using a suitable draught excluder.

RADIATORS

Often radiators are sited underneath a window. The performance of the radiator will be affected if curtains are allowed to drape over 
radiator or shelves are fitted above it. 
The temperature obtainable in any given room is dependent on all radiators being operated at the same time. If you decide to turn 
off radiators in unused rooms, spare bedrooms etc., you may experience slightly lower room temperatures in rooms adjacent to 
unheated rooms.

Summary of Contents for GREENSTAR CDi CLASSIC 29CDi GC

Page 1: ...FED DOMESTIC HOT WATER 6 720 803 600 2012 06 The appliances are for use with Natural Gas or L P G Catt II type C13 C33 Natural Gas 29CDi GC number 47 406 34 34CDi GC number 47 406 36 38CDi GC number 4...

Page 2: ...tremely energy efficient offering you economical running costs and value for money It sits in SEDBUK Band A and is therefore amongst the top energy rated boilers available There is also the reassuranc...

Page 3: ...ter BOILER OPERATION This boiler must only be operated by a responsible adult who has been instructed in understands and is aware of the boiler s operating conditions and effects COMBUSTIBLE AND CORRO...

Page 4: ...ARK STANDARD TheBenchmarkinitiativeisacodeofpracticetoencouragethecorrectinstallation commissioning and servicing of domestic central heating boilers and system equipment A checklist is dispatched wit...

Page 5: ...E E RESET BUTTON F ECO BUTTON DOMESTIC HOT WATER PRE HEAT ON OFF G HOLIDAY BUTTON H DOMESTIC HOT WATER TEMPERATURE CONTROL I CENTRAL HEATING TEMPERATURE CONTROL J SERVICE ENGINEER BUTTON ONLY K SERVIC...

Page 6: ...When the burner is lit the green indicator light underneath the on off switch is illuminated The boiler runs for 15 minutes at minimum heating output to fill the condensate trap The display alternate...

Page 7: ...ter will stay activated If the temperature within the boiler drops to 5 C the boiler will fire to avoid the possibility of freezing To activate frost protection B Leave master switch on B Turn the cen...

Page 8: ...button until it is no longer illuminated To activate ECO mode B Press the ECO button until it is illuminated 3 7 HOLIDAY SETTING Activating the holiday setting will turn off the central heating syste...

Page 9: ...e mains power indicator will stop flashing The boiler will function normally dependent on programmer and room thermostat settings If the fault cannot be cleared by pressing the reset button B Refer to...

Page 10: ...key into the bottom of the charging link and push it upwards The arrow on the key shaft must be in line with the open padlock symbol on the charging link 3 Turn the filling key clockwise to the close...

Page 11: ...eps 1 to 3 5 With filling key in locked position turn the water mains inlet knob white anticlockwise to open This fills the heating system with mains water 6 When the pressure gauge reads 1 5 bar turn...

Page 12: ...re B Re pressurise the system refer to pages 10 Low temperature setting on the boiler controls B Increase settings on boiler controls Desired room temperature too high Radiators are too hot B Turn dow...

Page 13: ...Safe registered personnel Error code Description A7 Hot water NTC sensor defective A8 Break in communication to TD200 or and DT10 b1 Code plug not detected C6 Fan speed too low E2 CH flow NTC sensor...

Page 14: ...pe can be thawed by applying a hot water bottle a microwaveable heating pack the sort used for muscular aches and pains or a cloth soaked in hot water to the exterior of the pipe close to the point of...

Page 15: ...ere has been no heating demand for 24 hours the boiler will run the system pump for a few seconds to reduce the possibility of pump seizure during long periods of inactivity This is usually more frequ...

Page 16: ...ist Our Field Service Engineer finds no fault with the boiler The cause of breakdown is misuse or with other parts of your plumbing heating system or with equipment not supplied by Worcester Bosch Gro...

Page 17: ...atic radiator valves If damaged replace the plastic tops used to adjust the thermostatic radiator valve It is also advisable to manually adjust all thermostatic radiator valves every 2 3 weeks to prev...

Page 18: ...stic purposes for which it was designed This guarantee does not affect your statutory rights GUARANTEE REGISTRATION Your Greenstar boiler carries a two year guarantee against faulty material or manufa...

Page 19: ...to a drain This pipe must not be blocked or altered in any way Room thermostat programmer A room thermostat programmer must be fitted to control the central heating This controls the times and temper...

Page 20: ...0 SPARES 01905 752571 LITERATURE 0844 892 9800 TRAINING 01905 752526 SALES 01905 752640 Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 0844 892 9900 Worcester Bosch Group is a brand...

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