Atag A200S Installation & Servicing Instructions Manual
Central heating boilers
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Summary of Contents for Atag A200S
- Page 1 I n s t a l l a t i o n & S e r v i c i n g Instructions A200S A203C A320S A325C A325ECX Boiler G.C No A200S 41-310-14 A320S 41-310-17 A203C 47-310-15 A325C 47-310-17 A325ECX 47-310-18 CE PIN 0063BT3195 These instructions to be retained by user.
- Page 2 Explanation of the control panel and keys Flame Boiler in operation Bell Error indication Spanner Service-mode or blocking DHW function (request for heat) Radiator Central heating function (request for heat) LCD display with backlight Central heating program Hot water program Pump program °C ( OK )
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Page 3: Table Of Contents
Contents Introduction ............................4 Rules ............................4 Delivery package ..........................6 Boiler description ..........................6 Mounting the boiler .........................7 Dimensions .........................8 Connecting the boiler ........................9 Central heating system .......................9 Expansion vessel ......................11 Heating systems with plastic pipes ...................12 Gas connection .........................12 Hot water supply (DHW Combi boilers) ................13 Condensation drain pipe ....................14 Flue gas exhaust system and air supply system ..............16 6.7.1 Dimensioning of the flue gas and air intake duct ............20... -
Page 4: Introduction
It is advisable to read these instructions thoroughly, well in advance of installation. Separate instructions for use are supplied with the boiler for users of ATAG central heating boilers. ATAG is not liable for the consequences of mistakes or shortcomings which have found their way into the installation instructions or user’s manual. - Page 5 British Standards. The ATAG A boiler is a certified appliance and must not be modified or installed in any way contrary to this Installation Manual. Manufacturers instructions must not be taken, in any way, as overriding statutory obligations.
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Page 6: Delivery Package
Automatic by-pass; • External controls. Boiler description Room sealed boiler The ATAG A is a room sealed, condensing and modulating CH boiler equipped with an The boiler retrieves its integrated hot water supply. combustion air from the outside then discharges The boiler is equipped with a compact stainless steel heat exchanger with smooth pipes. -
Page 7: Mounting The Boiler
Mounting the boiler The room where the boiler will be placed must always be frost free. The boiler casing is splash water tight (IPX4D) and is suitable to be installed in e.g. a bathroom. It is NOT necessary to have a purpose provided air vent in the room or internal space in which the boiler is installed. -
Page 8: Dimensions
Top view 5.1 Dimensions ceiling Left side view Front view minimal 250mm Bottom view ATAG A-Series Combi Solo A203C A325C A325ECX A200S A320S Flue gas / Air intake 60/100 60/100 60/100 60/100 60/100 Gas connection ½" int. ½" int. ½" int. -
Page 9: Connecting The Boiler
Table 3 shows the water displacement a circulation pump can deliver for a particular installation resistance. Water flow rate at T Permissible installation Boiler Pump type 20°C resistance type l/min mbar A203C UP 15-50 A325C UP 15-60 1090 A325ECX UP 15-60 1090 A200S UP 15-50 A320S UP 15-60 1090 Installation resistance table 3... - Page 10 The boiler is NOT equipped with a built-in internal filter. Advice: ATAG Heating UK Ltd recommend the installation of an in-line filter installed into the heating return as close to the boiler as possible. ATAG Heating UK Ltd recommend the use of either: Adey Magnaclean filters Fernox TF1.
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Page 11: Expansion Vessel
The boiler is equiped with a built-in expansion vessel. The A203C and A200S have a capacity of 8 litres with a pre-pressure charge 0.8 bar, whilst the A325C, A325ECX and A320S have a capacity of 12 litres with a pre-pressure charge of 1 bar. -
Page 12: Heating Systems With Plastic Pipes
Make sure that the gas pipe work does not contain dirt, particularly with new pipes. When the boiler has to be converted from natural gas to LPG, ATAG provides special kits for this purpose. Special instructions are supplied with the kit. -
Page 13: Hot Water Supply (Dhw Combi Boilers)
Connection of the drinking water installation should be done according to the national water laws. The ATAG A Combi boilers are fitted with a stainless steel plate heat exchanger for producing domestic hot water. The boiler does not have a hot water store and in case of a demand for hot water the boiler will heat the domestic water flowing through the plate heat exchanger up to 60°C instantaneous. -
Page 14: Condensation Drain Pipe
ATAG Condensing boilers have the top SEDBUK band A Classification for high energy efficiency in heating and domestic hot water. All ATAG wall hung gas fired condensing boilers contain a syphonic condensate trap to collect and realease condensate. The amount of condensate formed is determind by the type of boilers and the water temperature produced by the boiler. - Page 15 Final discharge options. The condensate pipe can only terminate into any one of the five areas as shown in the diagrams on this page. Draining of the condensation water to the external rain guttering is not permitted in view of the danger of freezing. Before putting the boiler into operation fill the syphon with 300 ml of water.
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Page 16: Flue Gas Exhaust System And Air Supply System
Ireland: Irish standard is 813 section 9.10.1 The ATAG A boilers as described in this manual are pre fitted with a flue non- return valve. Always contact ATAG if you want to use the boiler together with a conbined flue system. Permittance upfront from ATAG is required otherwise no recourse can be made. - Page 17 The appliance concentric connection diameter is 60/100 mm, to which the flue gas outlet and air supply system can be fitted, with or without elbow pieces. The maximum permissible pipe length is set out in Table 5. Boiler conversion from concentric to parallel It is also possible to use a parallel pipe connection of 2x 80mm.
- Page 18 Monopass Flue system literature. The ATAG flue gas system is meant, and designed, solely for the use on ATAG central heating boilers adjusted to Nat gas or LPG. The maximum flue gas temperatures are below 70°C (full load 80/60°C)
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Page 19: Dimensioning Of The Flue Gas And Air Intake Duct
The flue must be terminated in a place not likely to cause a nuisance. For horizontal sections, the outlet system should always be fitted on an incline (50 mm/m) sloping down towards the appliance so that no condensation water is able to accumulate in the outlet system. - Page 20 Two pipe flue system + chimney lining ø80mm ø80mm in m A200S Maximum straight length 80 35,5 A203C 87° bend resistance length -1,5 45° bend resistance length -0,8 A320S Maximum straight length 80 A325C 87° bend resistance length -1,5 A325ECX 45°...
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Page 21: External Hot Water Cylinders (Solo Boilers)
AA05204U ATAG cylinder sensor. Only these articles are suitable for this purpose. Please contact ATAG Heating Ltd. The wiring of the three way valve and cylinder sensor must be connected to the boiler according the instructions supplied with these articles. See also page 22. -
Page 22: Room Thermostat
Only Combi: Should it be necessary to change it, the mains power supply cable may only be replaced with an ATAG mains power supply cable (item No. S4477300). The power supply cable for Solo boilers must be supplied and fitted by the installer to connection terminal X21. -
Page 23: Electrical Diagram Solo Boiler
8.2 Electrical diagram Solo boilers Figure 11a... -
Page 24: Electrical Diagram Combi Boiler
8.3 Electrical diagram Combi boilers Figure 11b... -
Page 25: Filling And Bleeding Of Boiler And Ch Installation
Filling and bleeding of boiler and CH installation The central heating installation needs to be filled with potable water. For filling or topping up the installation use the filling loop according to the following procedure: 1 Turn on the boiler mains electrical supply; 2 the start up procedure the display will read c1 18 (low water pressure). -
Page 26: Boiler Controls
Control will take place according to the heating line. 3.131 11.417 2.990 10.449 2.857 9.573 The ATAG A is equipped with boiler sensors of 10kOhm. The resistance 2.730 8.779 2.610 8.059 value and corresponding temperature are shown in the accompanying 2.496 7.406... -
Page 27: Controls And Explanation Of The Functions
10.1 Controls and explanation of the functions Hot water Setting the hot water temperature: Briefly press + or - ; the display will show the flashing preset value; Briefly press + or – to change the set value. Each change becomes active directly. Hot water program OFF: Press –... -
Page 28: Commissioning The Boiler
Commissioning the boiler Make sure before the boiler is put into operation that the boiler and installation have been fully bled. Bleed the gas line and open the gas valve of the boiler. The boiler requires no adjustment of the burner pressure and quantity, because it is self-regulatory and has been set in the factory and should not be reset. -
Page 29: Settings
There may be cases that the settings have to be changed, for example: Lower flow temperature Use the parameter chapter to set the boiler according to the situation. If in doubt, check with ATAG Heating Ltd. To change a setting, proceed as follows: Changing the settings Press the OK key for 3 seconds. - Page 30 Parameter-chapter PARA Factory Description Range Gradient speed CH 0 - 15 Night decrease temperature (only active at 100% weather dependant): 0 - 10 K The day temperature will be decreased by this value Heating line CH-water temperature (see also heating line graph) 10 - 40 max.
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Page 31: Activating The Factory Setting (Green Key Function)
outside temperature in °C heating line grafic 1 11.5 Activating the factory setting (green key function) To re-activate the factory settings, proceed as follows (this will undo all changed settings): Select P6 81, according to the procedure described in chapter 11.4; Select b7; Press OK. -
Page 32: Isolating The Boiler
Switching on with the + key takes place in reverse order. ATAG recommends to leave the plug in the wall socket, so that the circulation pump and the three-way valve are activated automatically once every 24 hours in order to prevent jamming. -
Page 33: Checking The O
13.1 Checking the O The O percentage is set in the factory. This has to be checked during inspection, maintenance and in case of a failure. This can be verified by means of the following action: Set the external controls to call for heat; Make sure the boiler is operational and can get rid of the heat it produces;... -
Page 34: Maintenance Activities
13.2 Maintenance activities In order to perform maintenance, the following actions have to be taken: switch off the boiler; remove the screws from the 4 quick fasteners A, B, C and D (see fig. 14); unlock the 4 quick fasteners A, B, C and D and remove the cover in a forward motion. Air box/cover The cover also doubles as air box: Clean the air box/cover with a cloth and a non-abrasive cleaner;... - Page 35 Heat exchanger check the heat exchanger for pollution. Clean it, if necessary, with a soft brush and a vacuum cleaner. Avoid any pollution falling down. Top-flushing the exchanger with water is not allowed. Reassembly takes place in reverse order. During installation pay attention to the correct position of the clamp bars. These have to be in a vertical position.
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Page 36: Maintenance Frequency
13.3 Maintenance frequency ATAG Heating UK Ltd advises an annual inspection, with a full strip down service every 4 years, depending on the operational hours listed in the warranty conditions. 13.4 Warranty For the warranty conditions we refer to the Warranty Card that is supplied with the boiler. -
Page 37: Technical Specifications
Technical specifications ATAG A-Series Combi Solo Boiler type A203C A325C A325ECX A200S A320S Input Hs CH Input Hi CH 28,8 28,8 28,8 Input Hi DHW 23,4 34,2 34,2 Efficiency DHW, year 83,2 85,9 95,1 Efficiency class according BED ... -
Page 38: Parts Of The Boiler
Parts of the boiler ATAG A figure 21 Heat exchanger Control panel Safety valve Ignition unit Three-way valve DHW Economiser Fan unit Circulation pump Flue non return valve Air supply damper Dosing valve Gas block Flue gas exhaust Automatic de-aerator Combustion air supply... -
Page 39: Declaration Of Conformity
Declaration of conformity CE DECLARATION OF CONFORMITY Hereby declares ATAG Verwarming Nederland BV that, the condensing boiler types: ATAG A203C A200S A325C A320S A325ECX are in conformity with the provisions of the following EC Directives, including all amendments, and with national legislation implementing these directives: Directive Used standards Gas Appliance Directive 2009/142/EC EN483: 1999,A2 ;2001- (ex.90/396/EEG) C1 ;2006,A4 ;2007 EN50165: 1997 Efficiency Directive 92/42/EEC EN677: 1998 Low Voltage Directive 2006/95/EG EN50165: 1997 EN60335-1: 1994 EMC Directive 2004/108//EG EN61000-3-2: 2000,A1 ;2001,A2 ;2005 EN61000-3-3: 1995,2006 EN55014-1: 1993;A1;2001,A2;2002 EN50165: 1997,A1;2001 EN55014-2: 1997,A1;2001 Report numbers... -
Page 40: Kiwa Certificate
Kiwa certificate... -
Page 41: Benchmark Checklist
Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. This does not affect the customer’s statutory rights. If yes, and if required by the manufacturer, has a water scale reducer been fitted? Condensing Boilers only The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798 If the condensate pipe terminates externally has the pipe diameter been increased and weatherproof insulation fitted? -
Page 42: Service Record
service record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. - Page 44 ATA G H e a t i n g U K L t d . • U n i t 3 • B e a v e r Tr a d e P a r k • Q u a r r y L a n e C h i c h e s t e r W e s t S u s s e x P O 1 9 8 N Y Phone: 01243 815 770 • Fax 01243 839 596 • E-mail: info@atagheating.co.uk • Internet: www.atagheating.co.uk E.
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