Ariston CLAS HE SYSTEM 18 Installation And Servicing Instructions Download Page 25

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installation

Electrical diagram

For increased safety, ask a qualified technician to perform a

thorough check of the electrical system.

The manufacturer is not responsible for any damage caused by

the lack of a suitable earthing system or by the malfunctioning of

the electricity mains supply.

ROOM

FLOOR

OTS

CN1

CN16
CN21

DISPLA

CN2

CN25

FLOW

CN1
4

TIMER

CN15

FAN

PUMP + SPEED

DIVERTR

VAL

ZONE + FILLING

FET5

FET1

FET4

FET3

FET2

CN11

FAST
FUSE 2A

REMOTE CONTROL

CN2
4

CN6

FLAME

CN
5

EAR

CN3

CN2
0

FILLING EXT

. P

1
2
3
4

CN1
2

N
P

UM
P

PUMP

SPEED

1
2
3
4
5
6

CN1
0

DIVE

TER

CN9

EPROM KE

CN7

CN22

CN
4

CN17

Electrod

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fichage

Thermostat dʼambianc

Thermostat plancher chauf

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Sonde extérieure

Allumeur

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Electrovanne remplissag

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Summary of Contents for CLAS HE SYSTEM 18

Page 1: ... system boilers G C N 41 116 26 18 kW G C N 41 116 22 24 kW G C N 41 116 23 30 kW CLAS HE System CLAS HE SYSTEM 18 CLAS HE SYSTEM 24 CLAS HE SYSTEM 30 The code of practice for the installation commissioning servicing of central heating systems Country of destination GB IE ...

Page 2: ...ical Connections 23 Peripheral Unit Connection 23 Room Thermostat Connection 24 Outdoor Sensor Connection 24 Electrical Diagram 25 Commissioning Initial Preparation 28 Electricity Supply 28 Filling the Heating System 28 Filling of the DHW System 28 Gas Supply 28 Water Treatment 28 First Igniton Operation 29 Ignition procedure 30 Test Function and Combustion Analysis 32 AUTO Function 33 Boiler Prot...

Page 3: ...high quality products and a high quality after sales service Advice on installation or servicing can also be obtained by contacting the MTS Technical and Customer Service Departments at High Wycombe TECHNICAL DEPARTMENT CUSTOMER SERVICE DEPARTMENT Tel 0870 241 8180 Tel 0870 600 9888 Fax 01494 459775 Fax 01494 459775 GUARANTEE The manufacturer s guarantee is for 2 years from the date of purchase Th...

Page 4: ...tact your supplier Keep all packaging material clips plastic bags polystyrene foam etc out of reach of children as it may present a potential hazard In the event of a fault and or malfunction turn the appliance off turn off the gas cock and do not attempt to repair it yourself Contact a qualified professional instead Before any maintenance or repair work is performed on the boiler make sure you ha...

Page 5: ...olling ladders are positioned securely that they are suitably strong that the steps are intact and not slippery and that the ladders are fitted with handrails on either side of the ladder and parapets on the landing Personal injury caused by falling from a height Duringallworkcarriedoutatacertainheight generally with a difference in height of more than two metres make sure that parapets are used t...

Page 6: ...Heating temperature regulation knob 7 button _ 8 Menu Ok button Programming key 9 Esc button 10 button 11 Time clock Optional 12 ON OFF button 13 Blue indicator burner ON 14 Yellow indicator Auto function 15 Auto button To activate Thermoregulation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 9 6 12 I 1 2 3 4 5 6 7 14 13 11 12 10 9 8 ...

Page 7: ...talled in accordance with the clearances stated below 5 5 1 Flue Connector 2 Manual Vent 3 Burner 4 Detection Electrode 5 Overheat Thermostat 6 C H Return Temperature Probe 7 C H Flow Temperature Probe 8 Gas Valve 11 Trap 12 C H Pressure Relief Valve 13 Electrical Box 15 Circuit Filter 17 Circulation Pump with Air Release Valve 19 Water Pressure Sensor 20 Silencer 21 Modulating Fan 22 Ignition Ele...

Page 8: ...an 70mg kWh class 5 5 5 Flue gas temperature G20 80 C 60 C C 65 63 63 CO2 content G20 80 C 60 C 9 0 9 0 9 0 CO content 0 O2 80 C 60 C ppm 85 100 100 O2 content G20 80 C 60 C 4 5 4 5 4 5 Maximum flue gas flow G20 80 C 60 C Kg h 29 7 41 2 49 4 Excess air 80 C 60 C 27 27 27 HEATING CIRCUIT Expansion chamber inflation pressure bar 0 7 0 7 0 7 Maximum heating pressure bar 3 3 3 Expansion chamber capaci...

Page 9: ...so that the flue terminal is exposed to the free passage of external air at all times and must not be installed in a place likely to cause nuisance It must not be allowed to discharge into another room or space such as an outhouse or closed lean to Condensing boilers have a tendency to form a plume of water vapour from the flue terminal due to the low temperature of the flue gasses The terminal sh...

Page 10: ...barrier in accordance with standards DIN 4726 4729 If pipes of this kind are not used keep the system separate by installing heat exchangers of those with a specific system water treatment IMPORTANT Failire to carry out the water treatment procedure will invalidate the appliance guarantee System Controls The boiler is electrically controlled and is suitable for most modern electronic time and temp...

Page 11: ...xceed 3 metres Some examples of the type of condensate terminations can be found below 1 Internal termination of codensate drainage pipe to internal stack 2 External terminaton of condensate drainage pipe via internal discharge branch e g sink waste and condensate siphon 3 External termination of condensate drainage pipe via internal discharge branch e g sink waste proprietary fitting External ter...

Page 12: ... page 13 Remove the caps and connect the valves to the boiler using the washers provided 3 x fibre washers for the CH flow and return and cold water inlet Safety Valve Discharge and Condense Outlet The pressure relief valve tube is made of copper It should terminate below the boiler safely outside the premises Care should be taken that it does not terminate over an entrance or window or where a di...

Page 13: ...rnal inspection Before performing any work on the boiler first disconnect it from the electrical power supply using the external bipolar switch removing the fuse and shutting off the gas valve To access the inside of the boiler the following is necessary 1 Remove the casing by unhooking it from the control panel a 2 Loosen the two screws on the front casing b pull it forwards and unhook it from th...

Page 14: ...cal connections page 24 If the outlet temperature is too high the boiler will stop both do mestic hot water and the heating production and the error code 1 16 floor thermostat contact open will appear on the display The boiler will restart when the thermostat is closed during automatic resetting If the thermostat cannot be installed the underfloor heating equi pment must be protected by a thermost...

Page 15: ...nsidered If the terminal is less than 2 1 metres above a balcony above ground or above a flat roof to which people have access then a suitable stainless steel terminal guard must be fitted The minimum acceptable spacing from the terminal to obstruc tions and ventilation openings are specified in Fig 1 A Directly below an opening window etc 300 mm B Horizontally to an opening window etc 300 mm C Be...

Page 16: ... the boiler The 1 metre horizontal flue kit 3318073 supplied is suitable for an exact X dimension of 753mm Measure the distance from the face of the external wall to the face of the flue elbow X Fig 2 this figure must now be su btracted from 753mm you now have the total amount to be cut from the plain end of the flue Draw a circle around the outer flue and cut the flue to the requi red length taki...

Page 17: ... to ensure that the lip seal is fitted correctly into the inner flue once verified it is simply necessary to push them together no clamps are neces sary to secure the flue components Before proceeding to fit the flue ensure that the maximum flue length has not been exceeded See the tables and that all elbows and bends have been taken into consideration the ma ximum flue length is 10 metres for eac...

Page 18: ...t No 3318079 see Fig 7 onto the exhaust manifold and secure with the clamp fit the vertical adaptor onto the vertical starter kit note there is no need to use a clamp to secure this as it is a push fit connection the vertical flue kit must then be inserted through the roof flashing this will ensure that the correct clearance above the roof is provided as the terminal is a fixed height Should exten...

Page 19: ...section of flue pipe or elbow check that the o ring is not dislodged when assembling the flue greasing the seal will aid assembly Twin pipe can also be converted back to Coaxial flue to enable vertical termination with a coaxial kit by using the pipe bridge Twin Coaxial Adaptor Part No 3318089 When running the twin flue pipe vertically It is not possible to terminate concentrically horizontally Te...

Page 20: ...ust gas ducts 2 If you need to insert elbows in the air intake and exhaust gas ducts you should consider for each one the equivalent length to be included in the calculation of developed length 3 The exhaust gas duct should jut above the roof by at least 0 5 m 4 The intake and exhaust gas ducts in Type C13 C53 must be installed on the same wall or where the exhaust is vertical and the air intake h...

Page 21: ... 45º elbow 0 5m 90º elbow 1 0m 38 6 m 18 m 60 100 80 125 C 33 Flue gas exhaust andair suction duct from outsidewithroof terminalin the same range of pressure 18 kW 0 m 49 m 60 100 80 125 45º elbow 0 5m 90º elbow 1 0m 24 kW 0 m 42 m 60 100 80 125 45º elbow 0 5m 90º elbow 1 0m 30 kW 0 m 35 m 60 100 80 125 45º elbow 0 5m 90º elbow 1 0m 38 0 m 21 m 60 100 80 125 C43 Individual or shared flue gas exhau...

Page 22: ...from outsidewithroof terminalin the same range of pressure 18 kW 70 m S1 S2 80 80 45º elbow 1 4m 90º elbow 2 2 m 24 kW 60 m S1 S2 45º elbow 1 4m 90º elbow 2 2 m 30 kW 50 m S1 S2 C53 Flue gas exhaust leading outside and air suction duct through external wall not in the same range of pressure 18 kW 49 m S1 S2 80 80 45º elbow 1 4m 90º elbow 2 2 m 24 kW 84 m S1 S2 45º elbow 1 4m 90º elbow 2 2 m 30 kW ...

Page 23: ...ust be performed using a fixed connection not with a mobile plug and a bipolar switch with a minimum contact opening of 3 mm must be fitted The use of multiplugs extension leads or adaptors is strictly prohibited It is strictly forbidden to use the piping from the hydraulic heating and gas systems for the appliance earthing connection The boiler is not protected against the effects caused by light...

Page 24: ... Note When connecting the boiler to external controls do not run 240V cables and cables for switching circuits which are low voltage together use seperate cables to prevent induced voltage on the low voltage circuits Connector TA on PCB low voltage switching CARTE CHAUDIERE AMPC GAL1 Transmetteur BUS Optionnel Emplacement carte optionnelle SE TA1 Connector SE on PCB Outdoor Sensor The boiler can b...

Page 25: ...ERTER VALVE CN9 6 5 4 3 2 1 EPROM KEY CN18 8 7 6 5 4 3 2 1 CN7 12 13 11 10 9 8 7 6 5 4 3 2 1 CN22 11 10 9 8 7 6 5 4 3 2 1 CN4 2 1 CN17 Electrode ionisation 5 1 Affichage Thermostat dʼambiance Thermostat plancher chauffant Sonde extérieure 6 1 Allumeur Vanne Gaz Circulateur Electrovanne remplissage Vanne distributrice Débistat sanitaire Sonde sanitaire P Sonde pression circuit primaire Sécurité sur...

Page 26: ...26 installation Wiring Diagram For Connection To An Open Vented Cylinder ...

Page 27: ...27 installation Wiring Diagram For Connection To An MTS Unvented Cylinder ...

Page 28: ...vered Important Manually vent the heat exchanger at the manual air vent Failure to vent adequately may damage the heat exchanger page 7 legend 2 Filling of the DHW System Close all hot water draw off taps Open the cold water inlet cock supplied with the connection kit Slowly open each draw off tap and close them only when clear water free of bubbles is visible Gas Supply Inspect the entire install...

Page 29: ...ck the hydraulic water tightness Complete 8 Spin the pump Complete 9 Purge air by pressing ESC button for 5 sec manually vent the exchanger Complete 10 Change the language in the display if necessary Page 33 Complete 11 Set the hour and the date See page 33 Complete 12 Set the heating power See page 33 Complete 13 Balance the central heating circuit Complete 14 Measure the gas inlet working pressu...

Page 30: ...aeration cycle lasting about 7 minutes See below If you need to stop it press Esc alternatively it is possible to manually vent the heat exchanger At the end check that the system is completely deaerated and if not repeat the procedure Bleed the air from the radiators The exhaust duct for combustion products should be suitable and free from any obstructions Any necessary ventilation inlets in the ...

Page 31: ...6 to a time between 0 and 7 minutes Automatic selection means that the boiler will establish the delay time based on the set point temperature Gas setting parameter 18 kW 24 kW 30 kW G20 G31 G20 G31 G20 G31 lower Wobbe index 15 C 1013 mbar MJ m3 45 67 70 69 45 67 70 69 45 67 70 69 minimum fan speed 233 02 02 05 05 01 01 maximum central heating fan speed 234 80 80 85 85 80 80 maximum D H W fan spee...

Page 32: ...ing to the table above Important do not remove silencer N B when the combustion chamber is open the CO2 value drops by 0 3 If the values taken differ from the table adjust the gas valve fol lowing the procedure described below To adjust the CO2 value remove cap 2 adjust the CO2 content to 0 2 by turning setting screw 51 4 mm allen key unscrew to lower the CO2 value tighten to increase the CO2 valu...

Page 33: ...n of temperature adjustment using sensors Select 01 outdoor sensor only 4 22 Temperature adjustment curve selection Select the relevant curve according to the type of system installation heat insulation used in the building etc 4 23 Perform a parallel curve shift if necessary increasing or decreasing the set point temperature this may also be modified by the user using the heating temperature adju...

Page 34: ...ed again after the electricity supply has been disconnected If the shutdown is occasional or an isolated event this is not a problem Anti frost Device The anti frost function acts on the central heating flow temperature pro be independently from other regulations when the electrical supply is turned on If the primary circuit temperature is between 3 C and 8 C the pump will run with the diverter va...

Page 35: ... Press the buttons or to select a sub menu for example 230 8 Press the Menu Ok button to access the sub menu parameters the three figures will flash for example 230 9 Press the buttons or to select a parameter for example 231 10 Press the Menu Ok button to access the parameter the display will indicate the value e g 70 Note The parameter value will be displayed for 20 seconds then will begin to fl...

Page 36: ...RVED FOR TECHNICAL ASSISTANCE Only if the PCB is changed 2 3 BOILER Parameter Part 1 2 3 0 NOT PRESENT 2 3 1 Maximum heating power setting 0 to 99 see the gas setting table information on page 30 2 3 2 Domestic hot water maximum RPM percentage CANNOT BE MODIFIED 0 to 99 RESERVED FOR TECHNICAL ASSISTANCE Only if the gas or PCB is changed see gas setting table 2 3 3 Minimum RPM percentage CANNOT BE ...

Page 37: ...SISTANCE Only if the PCB is changed 2 4 8 NOT PRESENT 2 5 DOMESTIC HOT WATER Parameter 2 5 0 COMFORT function 0 deactivated 1 timed 2 always on 0 Timer activated for 30 minutes after domestic hot water draw off The appliance allows the hot water heating comfort to be increased via the COMFORT function This function keeps the secondary exchanger temperature stable when the boiler is not in use When...

Page 38: ... temperature of DHW C in storage cylinder Setting the tank temperature Only visiblee if an external cylinder is connected to the boiler 3 0 1 NOT ACTIVATED 3 0 2 NOT ACTIVATED 3 1 NOT ACTIVATED 3 2 SPECIAL SETTING 3 2 0 NOT ACTIVATED 3 2 1 NOT ACTIVATED 3 2 2 NOT ACTIVATED 3 2 3 NOT ACTIVATED 3 2 4 NOT ACTIVATED 3 2 5 NOT ACTIVATED 2 2 6 NOT ACTIVATED 3 2 7 NOT ACTIVATED 3 2 8 NOT ACTIVATED 3 2 9 ...

Page 39: ...gtheexternaltemperature and the type of appliance into account The type of curve must be chosen according to the type of appliance radiator and the heat losses present in the building Curves 2 5 to 3 Convector Radiator Curves 1 5 to 2 Steel Radiator Curves 1 to 1 2 Oversized Steel Radiator température de départ de l installation haute température température externe 30 40 50 60 70 80 90 100 C 10 2...

Page 40: ...xternal sensor is used the boiler calculates the most suitable heating flow temperature taking the external temperature and the type of appliance into account The type of curve must be chosen according to the type of appliance radiator and the heat losses present in the building see graph on the previous page 5 2 3 Parallel shift 20 to 20 0 To adapt the thermal curve to the appliance requirements ...

Page 41: ... adjustment temperature C 8 3 1 Heating flow temperature in C 8 3 2 Heating backflow temperature in C 8 3 3 Domestic hot water temperature in C 8 4 SOLAR APPLIANCE ANDTANK 8 4 0 Accumulated measured temperature activated only with the solar kit connected or external tank 8 4 1 Solar collector temperature 8 4 2 Solar appliance water input temperature 8 4 3 Solar appliance low tank sensor temperatur...

Page 42: ...UK 8 6 5 Average length of heating request 8 7 E SY HOTLINE NOT ACTIVE 8 7 0 8 7 1 8 8 ERROR LIST 8 8 0 10 last errors from E00 to E99 This parameter allows the last 10 boiler errors flagged to be displayed indicating the day month and year When the parameter is accessed the errors are displayed listed from E00 to E99 For each error the following sequence is displayed E00 error number 108 error co...

Page 43: ...ment and monitoring parts are working correctly Check the flue system is sealed and operating correxctly Draining procedures The heating system must be drained using the following procedure Switch off the boiler make sure the external bipolar switch is in the OFF position and shut off the gas valve Loosen the automatic air relief valve Open the system drain off cock and collect the escaping water ...

Page 44: ...TENANCE GUIDE GENUS PREMIUM 1 3 GENERAL ACCESS GENERAL ACCESS Tools Time 3 min 1 Unclip the cover to remove Remove the two screws Remove the front panel 2 Lower the electrical box Remove the combustion chamber front panel by releasing the clips ...

Page 45: ... CONTROL BOX ACCESS CONTROL BOX ACCESS Tools Time 4 min 1 Remove the front panel as above and pivot the electrical box Remove the two screws and unlock the four clamps to gain access to the control box 2 2 FUSE FUSE Tools Time 5 min 1 Open the control box as above Remove the fuse Page 7 of 25 ...

Page 46: ...ctrical plug connectors Unscrew the two screws and remove the PCB 2 4 DISPLAY PCB DISPLAY PCB Tools Time 7 min 1 Unclip the cover to remove Lower the door and remove the two control knobs Unscrew the four screws and pull the assembly towards you 2 Disconnect the electrical plug connectors unlock the four clamps and remove the PCB Page 8 of 24 ...

Page 47: ...ressure switch 3 Pump 4 Central heating filter 5 Central heating return 6 Central heating drain valve 3 2 DRAINING DRAINING Tools Time 5 min 1 Turn the drain valve anti clockwise to open and drain the water from the boiler 3 3 AUTOMATIC AIR VENT AUTOMATIC AIR VENT Tools Time 5 min 1 Drain boiler see 3 2 Remove the clip and lift the AAV from the assembly Page 9 of 20 ...

Page 48: ...boiler see 3 2 Remove the fixing clip unplug the electrical connector and lift the sensor from the assembly 3 5 PUMP PUMP Tools Time 10 min 1 Drain boiler see 3 2 Remove the clip and the two screws Disconnect the pipe and then move the pump to the right disengage Remove the pump 2 Remove the sensor see 3 4 Remove the AAV see 3 3 Page 10 of 20 ...

Page 49: ... the filter 3 7 LEFT HAND HYDRAULIC BLOCK ASSEMBLY 1 Left hand hydraulic block 2 Safety valve By pass assembly 3 Central heating flow 3 8 SAFETY VALVE SAFETY VALVE Tools Time 5 min 1 Drain boiler see 3 2 Disconnect the discharge pipe Remove the first clip on the left and pull the safety valve towards you Page 11 of 20 ...

Page 50: ...EMBLY BY PASS ASSEMBLY Tools Time 5 min 1 Drain boiler see 3 2 Remove the second clip and pull the assembly toward you Push on the by pass to disengage it 3 10 CONDENSE TRAP CONDENSE TRAP Tools Time 5 min 1 Unscrew the condense trap from the condense body Page 12 of 20 ...

Page 51: ...sensor or overheat thermostat together Unplug the electrical connectors IMPORTANT Do not use conducting paste for the contact sensors because it will alter the resistance value TEMPERATURE C RESISTANCE kOmh 0 27 10 17 20 12 25 10 30 8 40 5 50 4 60 3 70 2 80 1 5 3 12 MANUAL AIR VENT MANUAL AIR VENT Tools Time 5 min 1 Remove the clip and lift the manual air vent from the exchanger Page 13 of 20 ...

Page 52: ...ee 3 2 Remove the four clips and disconnect the two pipes between the exchanger and pump and between the exchanger and left hand hydraulic block Isolate the gas supply Remove the four screws and disconnect the gas pipe from the gas valve Remove the four screws to free the heat exchanger 2 Pull the heat exchanger towards you Remove the clip and lift the manual air vent Twist the thermal fuse to rem...

Page 53: ...CE GUIDE MAINTENANCE GUIDE GENUS PREMIUM 4 BURNER UNIT LEGEND 1 Burner 6 Gas valve 2 Fan 7 Mixing tube 3 Silencer 8 Detection electrode 4 Gas inlet 9 Ignition electrode 5 Air inlet 10 Spark generator Page 15 of 20 ...

Page 54: ...ATOR SPARK GENERATOR Tools Time 5 min 1 Unplug the ignition electrode from the spark generator Remove the screw and the spark generator 4 2 ELECTRODES ELECTRODES Tools Time 5 min 1 Remove the screws and pull the electrodes towards you Unplug the electrodes Page 16 of 20 ...

Page 55: ... Remove the four screws and disconnect the gas pipe from the gas valve Pull the assembly towards you 2 Remove the three screws to free the burner door Pull the burner toward you 1 Stainless Steel Burner 2 Ignition electrode 3 Detection electrode Power Length 18 KW 72 5 mm 25 KW 104 6 mm 30 KW 135 8 mm 38 KW 167 mm 1 3 2 Page 17 of 20 ...

Page 56: ...move the three screws to free the fan Twist the gas valve anti clockwise to disengage it from the fan 1 Venturi 2 Gasket Fan mixer venturi according to the model Power Fan Venturi diameter 18 KW EBM RG 128 45 W Ø 17 mm 25 KW EBM RG 128 45 W Ø 17 mm 30 KW EBM RG 128 45 W Ø 21 mm 3 Fan EBM RG 128 45 W Ø 21 mm 38 KW Page 18 of 20 ...

Page 57: ...VE GAS VALVE Tools 15 min Time 1 Remove the combustion assembly see 4 3 Twist the gas valve anti clockwise to disconnect it from the fan Bayonet connection 1 Venturi 4 Inlet test nipple 2 Gas valve 5 Offset adjustment 3 Solenoids 6 Throttle adjustment Page 19 of 20 ...

Page 58: ...spection Clean as necessary Distance from the burner Ionisation current more than 1 µA Burner Maintenance Interval Annually How Visual inspection Clean as necessary Fan Maintenance Interval Annually How Visual inspection Clean as necessary Primary Heat exchanger Maintenance Interval Annually How Visual inspection Clean as necessary Condensate trap Maintenance Interval Annually or after cleaning pr...

Page 59: ...in FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING THECONDENSATEDRAINHASBEENINSTALLEDINACCORDANCEWITH THE MANUFACTURER S INSTRUCTIONS YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING THEHEATINGANDHOTWATERSYSTEMCOMPLIES WITHCURRENTBUILDINGREGULATIONS THEAPPLIANCEANDASSOCIATEDEQUIPMENTHASBEENINSTALLEDANDCOMMISSIONED INACCORDANCEWITHTHEMANUFACTURER SINSTRUCTIONS IFREQUIREDBYTHEMANUFACTURER HAVEYOURE...

Page 60: ...CARD SERIAL No COMMENTS SIGNATURE SERVICE 5 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 7 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 9 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 2 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATUR...

Page 61: ...0 GAS SECTION 0401 GAS VALVE 60000537 0407 FAN ASSY 60000622 0500 HYDRAULIC BLOCK 0504 OVERHEAT THERMOSTAT 100C 61010572 0507 TEMPERATURE PROBE CLIP 990686 0517 LOW PRESSURE SWITCH 65105090 0530 AUTO AIR VENT WITH O RING 65104703 0537 PRESSURE RELIEF VALVE 61312668 0538 PUMP 6M 2V 60000591 0600 ELECTRICAL BOX 0607 IGNITER 61002105 20 0615 PRINTED CIRCUIT BOARD 60000566 0616 PRINTED CIRCUIT BOARD D...

Page 62: ......

Page 63: ......

Page 64: ...Park 2 High Wycombe Ballycoolin Bucks HP13 5FT Dublin 15 Telephone 01494 755600 Telephone 01 810 3723 Fax 01494 459775 Fax 01 810 3727 Internet www mtsgroup com uk Internet www mtsgroup com ie E mail info uk mtsgroup com E mail info ie mtsgroup com Technical Advice 0870 241 8180 Technical Advice 01 437 0121 Customer Service 0870 600 9888 Customer Service 01 437 0121 420010097201 05 2007 ...

Page 65: ...tem boiler G C N 41 116 26 18 kW G C N 41 116 22 24 kW G C N 41 116 23 30 kW CLAS HE SYSTEM The code of practice for the installation commissioning servicing of central heating systems CLAS HE SYSTEM 18 CLAS HE SYSTEM 24 CLAS HE SYSTEM 30 ...

Page 66: ... defects in the appliance caused either by material or workmanship of the manufacturer This guarantee does not protect malfunction or damage arising from incorrect installation commissioning or maintenance procedures as laid out in the installation and servicing manual inefficient flue system poor or incorrect electricicty wrong gas supply or pressure tampering by inexperienced persons and any oth...

Page 67: ...tlet is automatically adjusted depending on the interior ambient temperature Legend 1 Display 2 Reset button 3 Red indicator lockout light 4 Pressure gauge 5 Heating temperature regulation knob 6 button _ 7 Menu Ok button Programming key 8 Esc button 9 button 10 Time clock Optional 11 ON OFF button 12 Blue indicator burner ON 13 Green indicator Auto function 14 Auto button To activate Thermoregula...

Page 68: ...e both handles and disconnect the hose If the pressure drops very frequently there may be a water leak at some point in the system If this is the case please contact your installer and ask them to check it If the pressure drops very frequently there may be a water leak at some point in the system If this is the case a plumber should be contacted Ignition procedure Press the ON OFF button on the co...

Page 69: ...ained which varies from about 20 C to about 45 C low temperature and about 35 C to about 82 C high temperature Switching off the heating To switch off the heating mode turn the button 6 in the position Stand by To switch off the boiler press the ON OFF 13 Switch off the boiler completely by switching the external electri cal switch to the OFF position the display will switch off Close the gas tap ...

Page 70: ...manufacturers guarantee Operation shutdown error table Anti frost Device The anti frost function acts on the central heating flow temperature probe independently from other settings when the electrical supply is turned on If the primary circuit temperature falls below 8 C the pump will run for 2 minutes After the two minutes of circulation fixed the boiler will check the fol lowing a if the centra...

Page 71: ... On and Off times The clock uses a 24 hour system e g 8 8 00 am and 18 6 00 pm ON periods are set by sliding all tappets between the ON time and the OFF time to the outer edge of the dial The tappets remaining at the centre of the dial are the OFF periods For operation Put the selector switch B to the symbol to control the central heating by the clock Put the switch B to I to select permanent oper...

Page 72: ...rk 2 High Wycombe Ballycoolin Bucks HP13 5FT Dublin 15 Telephone 01494 755600 Telephone 01 810 3723 Fax 01494 459775 Fax 01 810 3727 Internet www mtsgroup com uk Internet www mtsgroup com ie E mail info uk mtsgroup com E mail info ie mtsgroup com Technical Advice 0870 241 8180 Technical Advice 01 437 0121 Customer Service 0870 600 9888 Customer Service 01 437 0121 ...

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Ariston CLAS HE SYSTEM 18, Installation And Servicing Instructions

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