Epsilon Light Commercial High Efficiency Condensing Boiler EB - 40/50 User Manual 8G.52.9000/10.11 Changes reserved E.&O.E. 0310 350 Innovation has a name.
Content Introduction......................................................... 3 Safety................................................................. 5 Description of the boiler...................................... 6 Explanation of the function keys and display..... 7 The Reset key.................................................... 7 The boiler display............................................... 8 Water pressure in the central heating system.... 9 Replenishing the central heating.....................
Introduction These operating instructions describe the functioning and the operating of the A.O. Smith Epsilon boilers. This manual is for the end user. For installation and servicing there is an installation & servicing instructions manual for the installer. Read this manual fully before operating the boiler. In case of doubt or errors contact your installer. A.O. Smith reserves the right to change the specifications and dimensions without prior notice.
Please ensure that the installer that you have received a full and clear explanation of its operation. The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations (England and Wales). User Manual Epsilon-Series This product should be serviced regularly to optimise its safety, efficiency and performance. The service engineer should complete a relevant service record after each service.
Safety The device may be operated only by authorized persons who have been instructed on the operation and use of the device. Improper use may cause damage to the device and / or to the connected installation. The appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction Children being supervised not to play with the appliance.
Description of the boiler The Epsilon boiler is a room sealed, condensing and modulating central heating boiler. Condensing Retrieves heat from the flue gasses. Water condensates on the heat exchanger. The boiler is provided with a compact stainless steel heat exchanger with smooth tubes. A well thought out principal using durable materials. The boiler burns gas for supplying warmth. The heat is transferred in the heat exchanger to the water in the central heating system.
Explanation of the function keys and display Display Indication L.E.D.'s Step key Scrolling Central heating on/off Domestic Hot water on/off Pump programm on/off Reset key Mode key Selecting chapters (Store) Unlocking the boiler On/off key Central heating. When 'on' the indication L.E.D. is illuminated. On/off key Domestic hot water (DHW) When 'on' the indication L.E.D. is illuminated. On/of key Pump programm. Continuously yes/no When 'on' the indication L.E.D. is illuminated.
The boiler display The reading of the boiler display can be done in two ways. The Good reading During this reading the display will only show what is necessary. Under normal circumstances the display will give a Good reading. If a fault is detected the boiler will be blocked. This will be shown with, alternate display of Good, with an E of Error or a BL of Blocking and a number code. For further information refer to page 13 "Errors, maintenance and warranty" .
Water pressure in the central heating system The installation will function optimally with a water pressure of between 1,5 and 1,7 bar. If the water pressure drops below 1 bar, the display will show FILL. During this message the boiler will remain functioning at a reduced level. After replenishing the system just above 1,5 bar the message FILL will disappear and the boiler will function normally again. When the water pressure drops below 0,7 bar, the display will show a flashing FILL text.
Replenishing the central heating system The central heating installation needs to be filled with potable (drinking) water. For topping up the installation you use the filling loop according to the following procedure: (If in any doubt please contact your dealer) 1. Switch all functions off (heating, DHW and pump); 2. Briefly push the 'STEP'-button: P x.x = water pressure in bar; 3. Slowly open the filling loop (Indication on display increases); 4. Fill up slowly to 1.5 to 1.7 bar; 5.
The boiler will not function directly. The automatic de-aeration programm of about 17 minutes will start after one of the three programm keys is pressed. The display will show where A stand s for Automatic de-aeration programm Active and the number on the right indicates the actual water temperature of the boiler. Check the water pressure regularly and top up the installation when necessary. The working pressure of the installation should be between 1.5 and 1.
Error, maintenance and warranty If a fault is detected the boiler will be blocked. This will be reflected, by an alternate display of Good, with an E of Error or a BL of Blocking and a number code. You can try to reset the boiler by pressing the Reset key once. If the problem remains please contact your installer and inform them about the fault and give them the number code. If you discover any leaks from the boiler contact your installer.
Adjustments The boiler has a large number of settings options. We advise you to contact your installer for adjusting the boiler to the required settings. Adjusting the flow water temperature (CH) - Press the Mode key briefly (from the Technical reading). The display will show PARA . Press the Step key once. The display will show 1 85 . Press the + or the - key to alter the adjustments, if necessary. Press the Store key to confirm the setting. The display will flash once. Press the Mode key briefly.
Adjusting the type of installation + Step Store Mode Reset The boiler is designed in such a way that it will adjust itself automatically to what is necessary for a normal heating system. In some cases the installation may have convectors or complete underfloor heating. One can easily choose heating installation adjustments appropriate for the system such as maximum water-flow temperature or for the warming up of the installation after a night period.
User Manual Epsilon-Series
your installer A.O. Smith UK, Unit B8 Amstrong Mall, Southwood Business Park, Farnborough, Hampshire GU14 0NR www.aosmith.co.uk “A.O. Smith Water Heaters” is a trading name of Advance Services (Sales) Ltd. Reg.
