RKR 18 - RAD - ING - MAN.UT - 1201.1 - DIGITECH 2
Contents
1. AO TA HL SOLAR HEATING AND SOLAR SYSTEMS User Manual for model EKR 18 Premix condensing boiler 0694 ENGLISH USER INSTRUCTIONS BOILER OPERATING INSTRUCTIONS Make sure that the authorised technician who tested the boiler has stamped the guarantee booklet A The installation first start up regulation and maintenance operations must be carried out exclusively by qualified personnel e g THERMOSTAHL authorised Service Centres Incorrect installation can cause damage to property and injury to persons or animals for which the manufacturer will not be held responsible During the installation the technician must carry out the following checks The data on the data plate must correspond to that of the mains supply networks gas electricity water The boiler must be regulated according to ts designed use and performance The flue gas exhaust and combustion air intake system must be correctly installed and operational The exhaust gas discharge and ventilation systems must comply with the requirements of national and local standards regardless of whether the boiler is installed indoors outdoors or in its own cabinet see section Reference standards General warnings gt gt If there is any doubt as to whether the appliance has been tested by an authorised technician do not attempt to start it All maintenance and gas conversion operations MUST BE CARRIED OUT BY PROFESSIONALLY QUALI2. FIED PERSONNEL registered in accordance with current legislation Make sure that the requirements relating to the air intake and ventilation of the room in which the boiler is to be installed have been complied with The boilers can be installed outdoors in a partially protected location in accordance with current standards and where the minimum external temperature does not fall below 10C The manufacturer will not be held responsible for installation in locations where the temperature falls to below 10 The boiler is fitted with an antifreeze system If the boiler is installed in a location where there is a risk of freezing the anti freeze system will only come into operation if the power is on and the gas supply valve is open the frost protection is active even with the ON OFF switch in OFF position The manufacturer will not be held responsible for damage to the boiler caused by non compliance with this instruction Should any part of the boiler freeze up do not attempt to light it under any circumstances but instead call the Service Centre immediately The appliance s combustion system must be checked every two years This check includes testing the efficiency of the boiler and must be carried out by authorised personnel possessing the qualifications as required by current law Do not obstruct the ventilation openings in rooms where there are gas burning appliances installed boiler cooker etc USER INSTRUCTIONS I
3. MER WINTER mode setting of the boiler is signalled by the symbols lit continuously on the control panel The automatic ignition system will light the burner every time there is a demand for room heating or domestic hot water the functioning is signalled by the symbols flashing continuously on the control panel m Regulating the heating temperature The heating temperature is regulated by knob 2 see fig 1 e Rotating the knob anticlockwise reduces the temperature e Rotating the knob clockwise increases the temperature e range of temperature settings for the central heating runs from a minimum of 300 to a maximum of 80 or in the case of low temperature operation from a minimum of 25C to a maximum of 59 m D H W temperature control The domestic hot water temperature is regulated by knob 3 see Control panel e Rotating the knob anticlockwise reduces the temperature e Rotating the knob clockwise increases the temperature e The range of temperature settings for the domestic hot water runs from a minimum of 35 to a maximum of 60 USER INSTRUCTIONS Topping up the system with water The water pressure in the central heating circuit must be checked during the entire period of operation of the boiler In this respect the reading on the pressure gauge fig 2 located on the lower part of the boiler must not be less than 1 bar If there is insufficient water in the boiler the code H20 will
4. THER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HANDBOOK DERIVING FROM PRINTING OR TRANSLATION ERRORS E OEALL RIGHTS RESERVED NO PART OF THIS DOCUMENT MAY BE REPRODUCED MEMORISED IN ANY FILING SYSTEMS OR TRANSMITTED IN ANY FORM WHATSOEVER INCLUDING ELECTRONIC MECHANICAL PHOTOCOPIES RECORDINGS OR ANY OTHER MEANS WITHOUT THE COMPANY S PRIOR WRITTEN APPROVAL TAHL SOLAR HEATING AND SOLAR SYSTEMS
5. e Switch tripped Code H20 lit continuously on the display Check the water pressure in the central heating circuit The reading on the pressure gauge M see fig 3 located on the lower part of the boiler must not be less than 1 bar f the pressure is less than 1 bar top up the system as described in paragraph Filling the system The boiler will restart automatically If the problem persists Call the Service Centre USER INSTRUCTIONS 0 5 Heating Sensor malfunction Code E05 lit continuously on the display Call the Service Centre 0 6 D H W Sensor malfunction Code E06 lit continuously on the display Call the Service Centre E16 Electric Fan Malfunction Code E16 lit continuously on the display Call the Service Centre E22 Parameter programming request Code E22 lit continuously on the display Call the Service Centre N B If the boiler is to be left unused for a long period of time the user must do one of the following Make the boiler safe by disconnecting all the power supplies electricity and gas and draining the heating system and the condensate trap Leave the boiler in standby leaving the electricity and gas supplies connected and consequently the anti freeze function THE TECHNICAL DATA AND MEASUREMENTS ARE PROVIDED FOR INFORMATION PURPOSES ONLY AND ARE NOT BINDING THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEI
6. f you smell gas DO NOT ACTIVATE ANY ELECTRIC SWITCHES TELEPHONES OR ANY OTHER DEVICE THAT MA Y GENERATE ELECTRICAL DISCHARGES OR SPARKS OPEN DOORS AND WINDOWS IMMEDIATELY TO CREATE A CURRENT OF AIR THAT WILL RAPIDL Y CLEAR THE ROOM CLOSE ALL GAS TAPS AND VALVES CALL FOR PROFESSIONALL Y QUALIFIED PERSONNEL Boiler controls Control panel LEGEND ON OFF SWITCH HEATING TEMPERATURE CONTROL KNOB D H W TEMPERATURE CONTROL KNOB D H W TEMPERATURE DISPLAY BUTTON KEEP PRESSED FOR 5 SECONDS TO DISPLAY OUTSIDE TEMPERATURE ONLY WITH OPTIONAL OUTDOOR SENSOR SERVICE BUTTON SUMMER WINTER OR SUMMER WINTER MODE SELECTION BUTTON TERMINAL BOARD FOR EXTERNAL WIRING TEMPERATURE ERROR CODE AND OPERATING STATUS DISPLAY ON Do 8 D FA AN 230 V 50 Hz gt JERN A Fig 1 NO gt OT O N USER INSTRUCTIONS Starting up the boiler 8 e Open the gas Isolation valve located under the boiler 7 Fa e Switch on the boiler by placing the ON OFF switch 1 in the ON position see Control panel e The boiler will light automatically with the 230 V 50 Hz WINTER mode selected a
7. flash on the display see fig 2 To bring the system back up to pressure open the external filling tap R fig 2 and use the pressure gauge M fig 2 to check that the systems pressure reaches the middle of the green area equal to 1 2 bar see fig 3 and that the code H20 lights up When the operation is complete close the fill tap Diagnostics Error codes This paragraph contains a list of error codes that the boiler may generate on the display 8 see Control panel m GREEN AREA together with the relative indications and the operations 1 5 bar that the user can carry out to reset the boiler 1 2 bar 0 5 bar A If the problem re occurs after the following actions have been taken call an authorised Service Centre E01 _ lonisation block Code E01 lit continuously on the display Check that the gas valve on the boiler and gas meter are open and that there is gas in the mains supply or in the tank Switch off then switch on the appliance using switch 1 see Control panel on the control panel When the error code on the display disappears the boiler will restart If the problem persists Call the Service Centre LE 02 Safety Thermostat tripped Code E02 lit continuously on the display Call the Service Centre E 0 3 Flue Gas Thermostat tripped Code E03 lit continuously on the display Call the Service Centre h 20 Water Pressur
8. nd room thermostat Jer connected Oo e Check that there are no flashing numbers on Ir the display 8 see error codes If code H20 i p appears on the display 8 this denotes that there is no water in the boiler Consequently Fig 1 1 2 3 456 7 fill the system as described in section Filling the system SUMMER mode To switch boiler operation to SUMMER mode press button 6 see fig 1 The boiler will only work for the D H W system The SUMMER mode setting of the boiler is signalled by the symbol lit continuously on the control panel The automatic ignition system will light the burner every time there is a demand for domestic hot water In this case the symbol on the control panel will flash WINTER mode To switch boiler operation to WINTER mode press button 6 see fig 1 The boiler will only work for the central heating system The WINTER mode setting of the boiler is signalled by the symbol lit continuously on the control panel The automatic ignition system will light the burner every time there is a demand for room heating In this case the symbol on the control panel will flash m SUMMER WINTER mode To switch boiler operation to SUMMER WINTER mode press button 6 see fig 1 The boiler will work for both central heating D H W systems The SUM
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