Wall-hung gas boilers. Instructions for use. English 31/08/05

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1 City 1.24/II Chimney and VMC - City 1.24/II FF City 2.24/II Chimney and VMC - City 2.24/II FF - City 2.28 FF City 3.24/II Chimney - City 3.24/II FF City 24 BIC/II - City 24 BIC/II FF City Condens 1.24, 2.24, 3.24 Wall-hung gas boilers English 31/08/05 Instructions for use

2 Thanks Congratulations on choosing a DE DIETRICH product, a product of quality. We strongly recommend that you read the following instructions in order to guarantee the optimal operation of your appliance. We are sure that you will not be disappointed and that it will satisfy all of your expectations. Recommendations For a proper operating of the boiler, follow carefully the instructions. The installation and the first start-up must be performed by a qualified professional. Any work on the gas valve unit is authorised only if carried out by a qualified professional. Aeration France: the cross section of the aeration vent, which is compulsory in the premises in which the boiler is installed, must comply with the DTU 61.1 (P ) standard and, in particular, with the instruction on general improvement work (Book 1764 April 1982). The air inlet into the premises must in no event be obstructed, even partially. Maintenance The servicing and cleaning of the boiler and the sweeping of the flue gas pipe and the bleed pot must be done at least once a year by a qualified professional. We recommend that you take out a maintenance contract. Precautions against frost The boiler is fitted with an antifreeze system. In the event of total shutdown of the heating in winter which may lead to the danger of freezing (switching off of radiators and current), we recommend using a correctly dosed anti-freeze product to stop the heating water freezing. Failing this, drain the installation completely (in all cases, consult your fitter). Control panel (City 1.24/II, 2.24/II, 3.24/II, 24 BIC/II) A B C D E F G H I Temperature display Domestic hot water temperature maintenance override button Safety shutdown light Unlock button "Chimney sweep" button "Fitter" button 3-position switch "Heating" on light Heating temperature setting J K L M Flame presence light Setting the domestic water temperature "Domestic hot water" on light Pressure indicator 2 CITY 31/08/ A

3 Operating instructions - Check that the boiler is connected to the electricity. - Open the gas valve (See next page). G : Switch Turn the switch to the desired operating mode : : Boiler stopped (with antifreeze protection) : Boiler in use : Heating; production of domestic hot water * (recommended mode) : Boiler in use : production of domestic hot water Only * I : Setting button Adjust the heating water temperature - Stop to the left : = 40 C - Hard point : = 75 C - Stop to the right : = 90 C M : Pressure indicator Displays the pressure in the heating circuit from 0.5 to 2.5 bar. If the red warming light (0.5 bar) is lit, top up with water using the filling system (disconnector, consult your fitter (See next page). E and F : "Chimney sweep" button and "Fitter" button These 2 buttons are for use only by the fitter. Boiler ignition may be provoked by : - A request for heat from the room thermostat, if being used. - A request for heat by the boiler thermostat (Setting button I). - Drawing off dometic hot water or a request for heat by the tank*. - Temperature maintenance in the primary storage tank (City 2.24/ II). K : Setting button * Adjust the domestic hot water temperature - Stop to the left : = 40 C - Hard point : = 53 C to 55 C depending on the model - Stop to the right : = 58 C to 60 C depending on the model * only for boilers with tank and City 2.24/II. B : Domestic hot water temperature maintenance override button For City with Easymatic or Easyradio control unit Pressing for 1 second in summer or summer/winter mode overrides loading of the domestic hot water tank or of the primary storage tank outside the time slot programmed on the control unit up to midnight (indicator light B2 flash) Light B1 lit : The burner is ignited to reheat the domestic hot water tank (or primary storage tank) Light B2 off : No override or programme running Light B2 lit : Comfort programme activated For City without control unit Light B1 lit : The burner is ignited to reheat the domestic hot water tank (or primary storage tank) A power cut does not modify the selected operating mode. D : Unlock button If the boiler has locked itself out (warning light C lit), press button D to re-ignite it. If a 2nd reset turns out to be necessary and remains unsucessful, consult your fitter. 31/08/ A CITY 3

4 Control panel (City Condens 1.24, 2.24, 3.24) N O Temperature display 6-position switch T Domestic hot water temperature maintenance override button (1.24, 3.24) or Maintenance override button for the primary storage tank (2.24) P Safety shutdown light Q Unlock button R Sweeping mode / Previous parameter / Decrementation of the parameter (The previous parameter function is invalidated when an adjustable parameter is concerned) S Sweeping mode / Parameter incrementation U "Heating" on light V Heating temperature setting W Flame presence light X Setting the domestic water temperature Y "Domestic hot water" on light Z Pressure indicator 4 CITY 31/08/ A

5 Operating instructions N : Temperature display The display shows the temperature of the water in the domestic hot water heating outlet when there is a request for domestic hot water. O : 6-position switch - Stop/Anti-freeze/Bleed - Domestic hot water (Summer) Heating and domestic hot water (Winter) - T : Domestic hot water temperature maintenance override button (City Condens 1.24, 3.24) or Maintenance override button for the primary storage tank (City Condens 2.24) For City Condens with Easymatic or Easyradio remote control Pressing for 1 second in summer or summer/winter mode overrides loading of the domestic hot water tank or of the primary storage tank outside the time slot programmed on the control unit up to midnight (indicator light T2 flash) Light T1 lit : The burner is ignited to reheat the domestic hot water tank (or primary storage tank) Light T2 off : No override or programme running Light T2 lit : Comfort programme activated For City Condens without remote control Light T1 lit : The burner is ignited to reheat the domestic hot water tank (or primary storage tank) A power cut does not modify the selected operating mode. Q : Unlock button To restart the boiler after safety shutdown. V : Heating temperature setting Setting range : 30 C to 90 C (Hard spot at 68 C) X : Setting the domestic water temperature Setting range : 40 C to 60 C (Hard spot at 55 C) : 1.24, 3.24 Setting range : 40 C to 58 C (Hard spot at 53 C) : 2.24 Z : Pressure indicator Displays the pressure in the heating circuit from 0.5 to 2.5 bar. If the red warming light (0.5 bar) is lit, top up with water using the filling system (disconnector, consult your fitter (See next page). 31/08/ A CITY 5

6 Gas connection If you can smell gas : - Close the gas valve - Open the windows - Do not operate switches - Extinguish all flames - Consult your fitter or the maintenance company - Inform the gas supplier. 1 Opening the gas valve on the boiler (Example with City 2.24/II) 1 Under the boiler, push the yellow lever upwards 2 Under the boiler, turn the lever a quarter turn 2 Checking the water pressure in the boiler (Example with City 2.24/II) The water pressure in the boiler must be between 1 and 2 bar. 6 CITY 31/08/ A

7 3 Topping up the boiler with water (Example with City 2.24/II) A Under the boiler, open (+) the 2 valves until you reach a pressure of between 1 and 2 bar B Close the 2 valves (-) 4 Troubleshooting Checks to make before calling your fitter The burner is not working Example with City 2.24/II (30/90 : for City Condens) It is cold. - Check the boiler thermostat settings. - If using a room temperature thermostat or a remote control (Easymatic or Easyradio), check that it is set according to the instructions. 31/08/ A CITY 7

8 It is cold. There is no domestic hot water (Example with City 2.24/II) - Note the code displayed AL +. - Press button until the red light goes out. - Release the button. The heater restarts. - If there is a problem, contact your fitter, specifying the alarm code. The burner is operating but the radiators are cold Air and water noise in the radiators - Bleed the radiators. - Top up the heating circuit with water. - If it is often necessary to top up the installation with water, contact your fitter. - If the problem persists, consult your fitter. The burner is operating but the radiators are cold - Check that the boiler heating pump is operating correctly. - If the problem persists, consult your fitter. Hot water takes a very long time to reach certain draw-off points and not others This is due to the length of the hot water pipes between the draw-off points and the boiler. The greater the length, the longer the time necessary for the hot water to replace the colder water in the pipes. When you inform your fitter of an error, tell him : Boiler type, Serial number. This information can be found on the rating plate stuck to the inside of the control panel flap, Year of manufacture. This information can be found on the rating plate stuck to the inside of the control panel flap, Type of gas used. The domestic hot water does not appear hot enough Flow of water from the tap too high. The higher the flow, the lower the temperature. - Reduce the flow from the hot water tap. - If several draw-off points are open at the same time, close one or other of the points. 8 CITY 31/08/ A

9 Warranty You have just purchased a DE DIETRICH appliance and we thank you for the trust you have placed in our products. Please note that your appliance will provide good service for a longer period of time if it is regularly checked and maintained. Your fitter and the DE DIETRICH customer support network are at your disposal at all times. Warranty terms Starting from the purchase date shown on the original fitter's invoice, your appliance has a contractual guarantee against any manufacturing defect. The length of the guarantee is mentioned in the price catalogue. The manufacturer is not liable for any improper use of the appliance or failure to maintain or install the unit correctly (the user shall take care to ensure that the system is installed by a qualified fitter). In particular, the manufacturer shall not be held responsible for any damage, loss or injury caused by installations which do not comply with the following: - applicable local laws and regulations - specific requirements relating to the installation, such as national and/or local regulations - the manufacturer's instructions, in particular those relating to the regular maintenance of the unit - the rules of the profession The warranty is limited to the exchange or repair of such parts as have been recognised to be faulty by our technical department and does not cover labour, travel and carriage costs. The warranty shall not apply to the replacement or repair of parts damaged by normal wear and tear, negligence, repairs by unqualified parties, faulty or insufficient monitoring and maintenance, faulty power supply or the use of unsuitable fuel. Sub-assemblies such as motors, pumps, electric valves etc. are guaranteed only if they have never been dismantled. France The preceding dispositions are not exclusive of benefits for the purchaser of the legal guarantee as stated in Civil Code articles 1641 to Belgium The preceding dispositions about the contractual guarantee are not exclusive of profit if the need arises for the purchaser in Belgium of the applicable legal dispositions on hidden defects. Other countries The above provisions do not restrict the benefit of the legal laws regarding hidden defects applicable in the buyer's country. 31/08/ A CITY 9

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12 In the interest of customers, De Dietrich Thermique SAS are continuously endeavouring to make improvements in product quality. All the specifications stated in this document are therefore subject to change without notice F D B CH L AU DE DIETRICH THERMIQUE S.A.S. Direction des Ventes France 57, rue de la Gare F MERTZWILLER (+33) (+33) DE DIETRICH HEIZTECHNIK Rheiner Strasse 151 D EMSDETTEN / / info@dedietrich.de VAN MARCKE Weggevoedenlaan 5 B KORTRIJK 056/ VESCAL S.A. / Z.I de la Veyre, St-Légier 1800 VEVEY NEUBERG S.A rue Jacques Stas L LUXEMBOURG DE DIETRICH HEIZTECHNIK Am Concorde Park 1 - B 4 / 28 A-2320 SCHWECHAT / WIEN 01 / / office@dedietrich.at AD001X DE DIETRICH THERMIQUE 57, rue de la Gare F MERTZWILLER - BP 30

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