Atag A200S Installation & Servicing Instructions Manual
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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...
- Page 2 Explanation of the control panel and buttons Flame Boiler in operation Bell Error indication Spanner Service-mode or blocking Tap 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 .........................8 Connecting the boiler ........................9 Central heating system .......................9 Expansion vessel ......................10 Water quality ........................11 Heating systems with plastic pipes ...................13 Gas connection .........................13 Hot water supply (DHW Combi boilers) ................14 Condensation drain pipe ....................15 Flue gas exhaust system and air supply system ..............17 6.7.1 Dimensioning of the flue gas and air intake duct ............21... -
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 ATAG A Figure 4.a Heat exchanger Control panel Safety valve Ignition unit Three-way valve DHW Economiser Fan unit Circulation pump (A-label) Flue non return valve Air supply damper Flow restrictor Gas block Flue gas exhaust Automatic de-aerator Combustion air supply...
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Page 8: Mounting The Boiler
Mounting the boiler Install the boiler in a well-ventilated boiler room in accordance to the actual local regulations BS5440-2:2000. The installation location of the CH-boiler(s) has to be, and remain, 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 9: Connecting The Boiler
Water flow rate at T Permissible installation Boiler Pump type 20°C resistance type l/min mbar A203C UPM2 15-70 12,7 A325C UPM2 15-70 20,3 1220 A325ECX UPM2 15-70 20,3 1220 A200S UPM2 15-70 12,7 A320S UPM2 15-70 20,3 1220 Installation resistance table 6.1.a... -
Page 10: 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 11: Water Quality
Another possibility is to remove the pollution by installing a filter. The filter type has to fit the type and grain size of the pollution. ATAG Heating UK Ltd recommends filter usage. In this case, the whole piping system should be taken into consideration. - Page 12 Parameter Value Water type Potable water Softened water 6.0-8.5 Conductivity (at 20°C in µS/cm) Max. 2500 Iron (ppm) Max. 0.2 Hardness (°dH): Installation volume/capacity 1-12 <20 l/kW Installation volume/capacity >=20 l/kW Oxygen No oxygen diffusion allowed during ope- ration. Max. 5% filling water addition annually Corrosion inhibitors Refer to Additives Attachment pH increasing or lowering agents...
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Page 13: 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 14: 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 15: 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 siphonic 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 16 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 siphon with 300 ml of water.
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Page 17: 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 re- turn valve. Contact ATAG if you want to use the boiler with a common combined flue system. - Page 18 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 6.8.1.a. Boiler conversion from concentric to parallel It is also possible to use a parallel pipe connection of 2x 80 mm.
- Page 19 Duopass 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 20: 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 21: Maximum Length
Two pipe flue system + chimney lining ø80 and ø100mm ø80mm in m ø100mm in m A200S Maximum straight length 80 35,5 Maximum straight length 100 A203C 87° bend resistance length -1,4 87° bend resistance length -2,1 45° bend resistance length -0,9 45°... -
Page 22: 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 23-25. -
Page 23: Room Thermostat And Controls
The power supply cable for all boilers must be supplied and fitted by the installer to connection terminal X21. 8.1 Room thermostat and controls The ATAG A has a number of connections possibilities for thermostats and controls: 1. For optimal use of the boilers control ATAG advices: Position 1 and 2: ATAG Z thermostat;... -
Page 24: Detailed Information About The Connections Possibilities
Detailed information about the connection possibilities. Options 1, 2 and 3 are single options and may not be combined. Solo or Combi boiler with ATAG BrainZ or WiZe room thermostat. Connect wiring to the blue connector on position 1 and 2. - Page 25 Solo boiler with external DHW cylinder and sensor control. Connect wiring of the optional external 3 way valve to the 3-core screw connector at the back of the control board Choose the right sensor from DHW sensor set AA05204U Connect wiring of the optional cylinder sensor T3 to the yellow connector on position AA05204U 9 and 10.
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Page 26: Electrical Diagram Solo Boiler
8.2 Electrical diagram Solo boilers Figure 8.2.a... -
Page 27: Electrical Diagram Combi Boiler
8.3 Electrical diagram Combi boilers Figure 8.3.a... -
Page 28: 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 29: Hot Water Supply
Control will take place according to the heating line. 2.186 5.779 2.093 5.330 2.004 4.921 The ATAG A is equipped with boiler sensors of 10kOhm. The resistance 1.920 4.547 value and corresponding temperature are shown in the accompanying 1.840 4.205 1.763 3.892... -
Page 30: 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 31: 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 32: 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 button for 3 seconds. - Page 33 Parameter-chapter Description PARA Factory Range Gradient speed CH 0 - 15 (0=off) 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 34: Activating The Factory Setting (Green Button Function)
outside temperature in °C heating line Grafic 11.4.a 11.5 Activating the factory setting (green button 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;... -
Page 35: Isolating The Boiler
Switching on with the + button 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 36: Checking The O
5,0% and 7,0% 5,1% and 7,0% CO/CO ratio less than 0.004% Contact ATAG Heating when the measured values is outside this range. End of measuring: Press the ESC button ( button). The device switches off. -
Page 37: Maintenance Activities
Required tools: Cross head screwdriver ATAG T-handle key set with 3 bits (hex key 4mm, hex key 5mm and cross head PZ2) Open end wrench 8mm In order to perform maintenance, the following actions have to be taken: switch off the boiler;... - Page 38 Remove the burner cassette (18) from the ventilator unit; Check the burner cassette for wear and tear, pollution and any breakages. Clean the burner cassette with a soft brush and vacuum cleaner. In the case of breakages, always replace the complete burner cassette (18); Replace the gasket (17) between the burner (18) and upper casing (15), if required;...
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Page 39: User's Instructions
Please contact ATAG Heating UK Ltd. for further details. Contact details can be found on the back page of this manual. 13.4 Maintenance frequency ATAG Heating UK Ltd advises an annual inspection, with a full strip down service as required, depending on the CO, CO and ratio figures. -
Page 40: Error Message
Error message A detected failure is indicated on the display in blocking or error messages. Blocking code with spanner symbol Error is temporary and will cancel itself or will lock the boiler after several attempts (error) Error code with bell symbol Error means a lock on the boiler and can only be remedied by a reset and/or intervention by a service technician. -
Page 41: Annexe A Technical Specifications
Annex A Technical specifications Technical specifications Natural gas ATAG A-Series Combi Solo Boiler type A203C A325C A325ECX A200S A320S Type heat exchanger OSS1 OSS2 OSS2 OSS1 OSS2 Input CH Net Input CH Gross 28,8 28,8 28,8 Input DHW Gross 23,4... -
Page 42: Annexe B Additives
ATAG support the use of inhibitors suitable for mixed metal applications that keep the pH level between 6 and 8. Dosage levels as per manufacturers instructions. Preferred inhibitor suppliers are Fernox and Sentinel. -
Page 43: Annexe C Dimensions
Annex C Dimensions Top view 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. -
Page 44: Annexe D Declaration Of Conformity
Annex D 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... -
Page 45: Annexe E Kiwa Certificate
Annex E Kiwa certificate... -
Page 46: Benchmark Checklist
GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failuretoinstallandcommissionaccordingtothemanufacturer’sinstructionsandcompletethisBenchmarkCommissioningChecklistwillinvalidatethe warranty.Thisdoesnotaffectthecustomer’sstatutoryrights. -
Page 47: 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 BeforecompletingtheappropriateServiceRecordbelow,pleaseensureyouhavecarriedouttheserviceasdescribedinthemanufacturer’sinstructions. Alwaysusethemanufacturer’sspecifiedsparepartwhenreplacingcontrols. SERVICE 01 SERVICE 02 Date: Date: Engineername: Engineername: Companyname: Companyname: TelephoneNo: TelephoneNo: GassaferegisterNo: GassaferegisterNo: Atmax.rate: COppm AND CO ²... - Page 48 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 •...
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