SCHUSTER SWG A 23 Installation And Servicing Manual Download

Page: 28 / 36

Inspections and maintenance performed

professionally and according to a regular

schedule, as well as the use of original

spare parts, are of the utmost importance

for fault-free operation of the boiler and

to guarantee its long life.

The maintenance frequency must comply

with standards in force.

INsPECTION AND

MAINTENANCE

4.1 - INsPECTION AND

MAINTENANCE INsTRUCTIONs

To assure long-term functioning of your boiler and to

avoid altering its approved status, only original spare

parts must be used.

If a component needs to be replaced:

• Disconnect the appliance from the electrical mains

and make sure that it cannot be reconnected

accidentally.

• Close the gas shut-off valve upstream the boiler.

• If needed, and depending on the intervention to

be carried out, close any shut-off valves on the

flow and return line of the heating system, as well

as the cold water inlet valve.

• Remove the front casing from the appliance.

Once all maintenance operations are complete

resume boiler operation

• Open the heating flow and return pipes, as well

as the cold water inlet valve (if closed previously).

• Vent and, if necessary, restore the heating pres

sure until reaching a pressure of 0.8/1.0 bar.

• Open the gas shut-off valve.

• Switch the boiler back on.

• Make sure the appliance is gas tight and water

tight.

• Remount the front casing of the appliance.

Failure to perform Inspections and Main-

tenance can entail material and personal

damage

TABLE OF REsIsTANCE vALUEs, ACCORDING TO THE TEMPERATURE, TO THE HEATING PROBE 11 (sR)

AND TO THE DOMEsTIC HOT wATER PROBE 1 (ss) AND ANY HEATING RETURN PROBE 22 (sRR) see par. 4.5.

T°C

32755

31137

29607

28161

26795

25502

24278

23121

22025

20987

20003

19072

18189

17351

16557

15803

15088

14410

13765

13153

12571

12019

11493

10994

10519

10067

9636

9227

8837

8466

8112

7775

7454

7147

6855

6577

6311

6057

5815

5584

5363

5152

4951

4758

4574

4398

4230

4069

3915

3768

3627

3491

3362

3238

3119

3006

2897

2792

2692

2596

2504

2415

2330

2249

2171

2096

2023

1954

1888

1824

1762

1703

1646

1592

1539

1488

1440

1393

1348

1304

1263

1222

1183

1146

1110

1075

1042

1010

979

949

920

892

865

839

814

790

766

744

722

701

Relation between the temperature (°C) and the nom. resistance (Ohm) of the heating probe sR and of the domestic hot

water probe ss

Example: At 25°C, the nominal resistance is 10067 Ohm At 90°C,the nominal resistance is 920 Ohm

Summary of Contents for SWG A 23

Page 1: ...SWG ENGLISH INSTALLATION AND SERVICING MANUAL A 23 R 23 A 23 P C 16 C 18 R18 C 24 R 24 C 24 P C 28 R 28 C 28 P C 32 C 32 P ...

Page 2: ...n to a special recycling centre managed by the local authorities or to a dealer who offers this service Separate disposal of a domestic appliance avoids possible negative consequences for the environment and human health deriving from inappropriate waste handling and allows the recovery of the materials of which it is made in order to obtain significant energy and resource savings ...

Page 3: ...hat can be edited from the control panel 30 4 3 Adaptation of the power to the heating system 31 4 4 Important notes 32 4 5 Wiring diagram 32 4 6 Error codes 34 3 INSTALLATION INSTRUCTIONS 15 3 1 General warnings 15 3 2 Installation standards 15 3 3 Preventive system verification and adjustment operations 15 3 4 Packaging 16 3 4 Positioning the boiler 17 3 6 Flue gas exhaust pipe connection 18 3 7...

Page 4: ...duct and must be kept by the user Read the warnings contained in this instruction booklet carefully as they provide important guidelines regarding installation use and maintenance safety Keep the booklet with care for further consultation Your appliance must be installed and serviced in compliance with the standards in force according to the manufacturer instructions up to standard and by legally ...

Page 5: ...hese instructions to the user as well as other documents concerning the appliance inserted in the envelope inside the packaging The user must keep this documentation safe for future consultation Inform the user about the importance of the air vents and the flue gas exhaust system high lighting their essential features and the absolute prohibition of modifying them Inform the user concerning contro...

Page 6: ...ete Do not modify the following parts the boiler the gas air water and electricity supply lines the flue gas pipe the safety valve and the exhaust pipe the construction parts which affect the operating safety of the appliance Attention To tighten or loosen the screwed fittings use only appropriate fixed spanners Incompliant use and or inappropriate tools can cause damage e g water or gas leakage A...

Page 7: ...densation 11 Qmax Maximum heat output 12 Adjusted Qn Adjusted for rated heat output 13 PMS Max heating operating pressure 14 T max Max heating temperature B Domestic hot water circuit characteristics 15 Qnw Rated heat output in domestic hot water function if different to Qn 16 D Specific D H W flow rate according to EN 625 EN 13203 1 17 R factor No of taps according to the declared amount of water...

Page 8: ...arranty 1 8 BOILER ANTIFREEZE PROTECTION To activate the antifreeze function position the two knobs as shown in the figure This protection can intervene only if the electricity and gas supplies are connected If one of the two is not available and upon reset 11 SR a temperature of 2 C is detected the appliance will behave as described in tab pos 2 The heating system can be protected effectively fro...

Page 9: ...9 ENGLISH TECHNICAL FEATURES 2 TECHNICAL FEATURES AND DIMENSIONS 2 1 TECHNICAL FEATURES 2 2 VIEW WITH THE INDICATION OF THE MAIN COMPONENTS AND DIMENSIONS SWG A 23 SWG A 23 P SWG A 23 SWG R23 SWG A 23 P ...

Page 10: ...10 View from above View from below SWG C 24 P SWG C 18 SWG C 24 SWG C 16 SWG C 18 SWG R 18 SWG C 24 SWG R 24 SWG C 24 P ...

Page 11: ...11 ENGLISH TECHNICAL FEATURES View from above View from below SWG C 28 P SWG 32 P SWG C 28 SWG C 32 SWG C 28 SWG R 28 SWG C 28 P SWG C 32 SWG R 32 SWG C 32 P ...

Page 12: ...Safety thermostat 11 Hb SR Heating temperature sensor 12 Ht P Pump 13 Lp DK Water deficiency pressure switch 14 Boiler drain valve 15 Filling valve 16 Diverter valve 17 Plate heat exchanger 18 FL FH VM Fan 19 AF AS PV Flue gas pressure switch 20 Safety valve 21 Automatic by pass C Domestic hot water outlet G G Gas inlet G F Cold water inlet G M Heating system flow G R Heating system re turn G Rc F...

Page 13: ... 0 354 0 457 0 354 0 32 0 280 Notes Room Temperature 20 C Data detected with appliance running on Methane gas G20 SWG A 23 R 23 C 16 C 18 R 18 C 24 R 24 C 28 R 28 C 32 Appliance category II2H3P II2H3P II2H3P II2H3P II2H3P II2H3P Minimum heat circuit output t 20 C l min 7 12 7 26 5 56 7 26 7 3 8 28 Minimum heating circuit pressure bar 0 5 0 5 0 5 0 5 0 5 0 5 Maximum heating circuit pressure bar 3 3...

Page 14: ...mperature 20 C SWG A 23 P C 24 P C 28 P C 32 P Appliance category II2H3P II2H3P II2H3P II2H3P Minimum heat circuit output t 20 C l min 7 1 7 2 7 3 8 7 Minimum heating circuit pressure bar 0 5 0 5 0 5 0 5 Maximum heating circuit pressure bar 3 3 3 3 Primary circuit content l 3 3 3 5 3 5 Maximum operating temperature in heat C 78 78 78 78 Minimum operating temperature in heat C 45 45 45 45 Expansion...

Page 15: ...en implemented to accommodate sev eral utilities according to specific standards and regulations in force Only after this check can the fitting between the boiler and chimney flue be mounted Attention If there is dust and or if there are aggressive corrosive vapours present in the installation room the appliance must be protected suitably and must be able to operate independently from the air in t...

Page 16: ...cturer will not be held liable for damage to persons animals or ob jects due to failure to comply with the instruction above H P L As well as the appliance the packaging contains A DOCUMENTATION ENVELOPE System booklet User operating instructions booklet Instruction booklet for the installer and maintenance engineer B Connection predisposition paper template C 2 rawlplugs for boiler attachment D F...

Page 17: ... R 24 SWG C 32 SWG C 24 28 32 P Since the temperature of the wall on which the boil er is installed and the temperature of the coaxial exhaust pipe do not exceed in normal operating conditions a room temperature beyond 60 K it is not necessary to observe the minimum distances from flammable walls For boilers with double intake and exhaust pipes in the event of crossing flammable walls insert insul...

Page 18: ...s directed outside via coaxial or double pipes COAXIAL Ø80 125 DOUBLE Ø60 COLLECTOR COLLECTOR WITH WITHOUT WITH WITHOUT FROM m A m UP TO m FROM Cps A Cps UP TO Cps NA NA NA NA NA NA Distance between air inlet pipe and flue gas exhaust pipe min 250 mm max 500 Horizontal exhaust and intake terminals directed outside via coaxial or double pipes C12 C32 FOR BOILERS WITH FORCED DRAUGHT place the flue g...

Page 19: ...LECTOR COLLECTOR WITH WITHOUT WITH WITH OUT FROM Cps A Cps UP TO Cps FROM Cps A Cps UP TO Cps 1 1 8 8 40 20A 20S NA NA NA Separate combustion air intake and combustion products evacuation pipes These pipes can discharge into areas with different pressure C52 B22 ATTENTION The flue must comply with standards in force C62 Boiler intended for connection to a combustion air intake and combustion produ...

Page 20: ...s only with splitter systems KIT5570C 00361439 It is recommended to only use original exhaust pipes The supplier will have no contractual or extra contractual liability for damage caused due to incorrect installation and use and in any case failure to comply with the instructions provided by the manufacturer Adapter for double systems ...

Page 21: ...ualified installer who must re spect and apply that foreseen by relevant laws in force in the local prescriptions of the supply company Incorrect installation can cause damage to persons animals and objects for which the manufacturer cannot be held responsible If you smell gas a Do not operate electric switches the telephone or any other object that may cause sparks b Immediately open doors and wi...

Page 22: ... Connect the modulating thermostat wire between terminals TA1 OT after having removed the jumper ON OFF room thermostat connection RT OT Remember that a bipolar switch must be installed on the boiler power line with over 3 mm between contacts easy to access making maintenance quick and safe The power cable must be replaced by authorised technical staff using original spare parts only Failure to co...

Page 23: ...on gas otherwise perform the boiler conversion in order to use the gas available see section 4 3 this operation must be carried out by technical staff qualified in compliance with the standards in force is the gas supply valve open has the system been checked for gas leaks is the outside main switch ON is the system safety valve efficient and is it connected to the drains has the system been check...

Page 24: ... is NOT authorised to ac 3 11 1 ACTIVATION OF THE calibration function 3 11 2 Positioning the probes 1 ACTIVATION By pressing the button D for 3 seconds the calibration function is activated Release it when the SERVICE symbol appears Do not press it for more than 9 This function is not activated if there is a block or domestic hot water request 2 MAXIMUM OUTPUT By turning the knob B onto MAX the b...

Page 25: ...switch Remove the flexible tube from the pressure gauge and close the pressure socket screw again Check that there are no gas leaks P Q R P R Q S 3 12 ADJUSTING THE BURNER 2 Minimum output adjustment Operate the boiler in calibration mode at MINI MUM OUTPUT see 3 11 1 Once the burner is on check that the MINIMUM pressure value corresponds to that indicated in the table NOZZLES PRESSURE Correct it ...

Page 26: ...e G31 10 1 24 6 11 5 26 5 37 0 85 11 6 1 33 5 0 89 kg h 2 06 kg h SWG R 28 SWG C 28 Type of Gas Furnace Useful kW Thermal Capacity kW Pressure Press mbar Ø Nozzles mm Nozzles no Ø Col lector mm Pressure minimum mbar Pressure operating mbar Consumption min Consumption max Nat gas G20 10 2 28 0 11 5 30 1 20 1 30 1 3 2 0 13 3 1 22 m h 3 18 m h Propane G31 10 2 28 0 11 5 30 1 37 0 85 13 4 4 29 0 0 89 ...

Page 27: ... 11 1 1 ACTIVATION Collect the pressure gauge differential to measure the burn er pressure see par 3 12 2 EDITING THE VALUE Modify parameter HP see par 4 2 until the value cor responding to the wanted power is obtained 3 CHECK Switch on the boiler in heating mode Check the pressure on the pressure gauge based on the requested power through the chart EDITING THE VALUE Turn the DOMESTIC HOT WATER kn...

Page 28: ...and if necessary restore the heating pres sure until reaching a pressure of 0 8 1 0 bar Open the gas shut off valve Switch the boiler back on Make sure the appliance is gas tight and water tight Remount the front casing of the appliance Failure to perform Inspections and Main tenance can entail material and personal damage TABLE OF RESISTANCE VALUES ACCORDING TO THE TEMPERATURE TO THE HEATING PROB...

Page 29: ...erheating Heat the TL until it intervenes at 95 C and check that it intervenes at 95 DK safety pressure switch against water deficiency 13 Does the pressure switch block the boiler if the water pressure is below 0 4 bar Without request close the shut off valves of the heating circuit open the drain valve to make the water pressure decrease Before pres surising again check the pressure of the expan...

Page 30: ...ULT 0 20 C 30 10 C 20 0 C NUMBER OF SWITCH ONS LIMIT DEVICE VALUES FROM A A DEFAULT 0 1 minute 15 minutes 0 WITH VARIABLE HYSTERESIS PUMP POST CIRCULATION VALUES FROM A DEFAULT 0 5 min 1 ALWAYS 0 5 min SELECTION Turn the HEATING knob B EDITING THE VALUE Turn the DOMESTIC HOT WATER knob C The value flashes on the display CONFIRM SELECTION Confirm the parameter to be edited by pressing the unblock k...

Page 31: ...e LPG supplier or a person qualified in compliance with law If the tank has not been professionally deaerated ignition problems could arise In that case contact the supplier of the LPG tank To convert the boiler from one type of gas to another proceed as follows Disconnect the appliance from the elctrical power supply disconnect the detection switch on electrode 1 loosen the 4 screws 2 that connec...

Page 32: ...ration must be performed with a cooled system The pressure gauge fitted on the boiler allows you to read the circuit pressure NOTE If the boiler was without electric power after a certain idle period the pump could be blocked Before electrically powering the boiler the pump must be unblocked by operating as follows Remove the protective screw from the pump centre using a cloth and insert a screwdr...

Page 33: ...lectrode FLS Domestic hot water request flow switch MVD Diverter valve motor SWG P Only P Pump PV Fan Pressure Switch SWG forced draught only SR Heating sensor SS DHW probe SWG C only TF Flue gas thermostat SWG natural draught only TL Limit thermostat VG Gas valve V Fan SE External probe connection terminals TA1 OT Modulating TA connection terminals TA2 On off TA connection terminals ...

Page 34: ...er freezing is detected If the heating sensor detects a temperature below 2 C burn er ignition is inhibited until the sensor detects a temperature above 5 C Disconnect the from the power supply close the gas valve defrost the exchanger careful ly 4 SAFETY THERMOSTAT Intervention of the safety ther mostat 10 Press the unblock button D on the panel and or check that the thermostat or its connections...

Page 35: ...t electrode and remove any oxidation press the un block key if the anomaly persists replace the electrode service 16 INTERNAL ERROR Replace the electronic board service 17 LOW VOLTAGE Power supply voltage too low service 19 ERROR CONFLICT FIRMWARE Replace the electronic board service 20 ERROR CIRCUIT FLAME Replace the electronic board service 21 ERROR DRIVER VALVE GAS Replace the electronic board ...

Page 36: ...oilers com www schusterboilers com The manufacturer declines every responsibility for the possible inaccuracies if owed to errors of transcript or press Also reserves the right to bring those changes that it will hold necessary to it own products or profits without jeopardizing its essential characteristics ...

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