Ariston EGIS HE 24 Installation And Servicing Instructions Download Page 58

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8. maintenance guide

8.4.4 Gas Valve

Tools

TIME

15 min

Remove the two screws under the boiler and disconnect the
gas pipe on the left of the gas valve

Remove the gas valve

Legend:
1 - Gas valve
2 - Solenoids
3 - Throttle adjustment
4 - Offset adjustment
5 - Inlet test nipple

Summary of Contents for EGIS HE 24

Page 1: ...Installation and Servicing Instructions EGIS HE CONDENSING WALL HUNG GAS BOILER EGIS HE 24 EGIS HE 30 Country of destination GB IE GC Numbers EGIS HE 24 47 116 71 EGIS HE 30 47 116 72...

Page 2: ...aration 28 4 1 1 Electricity Supply 28 4 1 2 Filling the Heating System 28 4 1 3 Filling of the DHW System 28 4 1 4 Gas Supply 28 4 1 5 Water Treatment 28 4 2 First Igniton Operation 29 4 3 Ignition p...

Page 3: ...chnical and Customer Service Departments at High Wycombe TECHNICAL DEPARTMENT CUSTOMER SERVICE DEPARTMENT Tel 0333 240 7777 Tel 0333 240 8777 Fax 01494 459775 Fax 01494 459775 GUARANTEE The manufactur...

Page 4: ...y 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 quali ed professional instead Be...

Page 5: ...any rolling ladders are positioned securely that they are suitably strong that the steps are intact and not slippery and that the ladders are tted with handrails on either side of the ladder and para...

Page 6: ...usly allows for accessing the setting adjustment and diagnostics parameters qualified engineers only b Pressing the buttons simultaneously allows for modifying and saving the parameter settings Qualif...

Page 7: ...hanger 6 C H Flow temperature probe 7 Inspection door 8 Gas valve 9 Condensate trap 10 Secondary heat exchanger 11 Safety valve 13 D H W Flow switch 14 C H circuit lter 15 Circulation Pump with air re...

Page 8: ...estic Cold Water Inlet E Central Heating Return 450 0 0 3 0 0 3 50 50 2 5 Minimum clearances In order to allow easy access to the boiler for maintenance operations The boiler must be installed in acco...

Page 9: ...easonal SAP ef ciency 2009 annual Loss when stopped T 30 C 0 2 0 1 Loss of burner gas when operating 1 8 1 7 EMISSIONS Available air pressure Pa 100 100 NOx class class 5 5 NOx emissions mg kWh Flue g...

Page 10: ...talling the boiler where the air inlet can be polluted by chemical products such as chlorine swimming pool area or ammonia hair dresser or alkalin products launderette 3 1 1 Flue Detailed information...

Page 11: ...changer from scale build up and corrosion is of primary importance All water is subject to the in ltration of impurities and in some cases more than others depending on geographical location Premature...

Page 12: ...washing maching or sink trap The connection must be upstream of the washing machine sink If the connection is downstream of the waste trap then an additional trap giving a minimum water seal of 75mm a...

Page 13: ...d hot water outlet connections 3 2 3 Safety Valve Discharge and Condense Outlet The pressure relief valve pipe is made of copper It should terminate below the boiler safely outside the premises Care s...

Page 14: ...able circulation pump pressure T20o C Before the equipment is used for the rst time the trap must be lled with water To do this add approximately 1 4 litre of water via the ue outlet before tting the...

Page 15: ...under oor heating equipment must be protected by a thermostatic valve or by a by pass to prevent the oor from reaching too high a temperature 3 2 8 Water circuit diagram A I B C D E 1 2 3 5 4 6 7 11...

Page 16: ...ternal bipolar switch and shut off the gas valve To access the inside of the boiler the following is necessary 1 Loosen the two screws on the front casing a pull it forwards and unhook it from the upp...

Page 17: ...steaming must be considered If the terminal is less than 2 metres above a balcony above ground or above a at roof to which people have access then a suitable stainless steel terminal guard must be tte...

Page 18: ...3 16 secure the elbow to the boiler The 1 metre horizontal ue 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...

Page 19: ...o push them together no clamps are necessary to secure the ue components Before proceeding to t the ue ensure that the maximum ue length has not been exceeded See the tables and that all elbows and be...

Page 20: ...r onto the vertical starter kit note there is no need to use a clamp to secure this as it is a push t connection the vertical ue kit must then be inserted through the roof ashing this will ensure that...

Page 21: ...ction of ue pipe or elbow check that the o ring is not dislodged when assembling the ue greasing the seal will aid assembly Twin pipe can also be converted back to Coaxial ue to enable vertical termin...

Page 22: ...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...

Page 23: ...S2 Air intake and ue gas exhaust unequal lengths FLUE TYPE Maximum Extension Exhaust air m Diameter of pipe mm EGIS HE 24 30 Coaxial System C13 C33 C43 10 10 60 100 B33 10 10 C13 C33 C43 25 25 80 125...

Page 24: ...l isolation of the appliance by use of a fused double pole isolator having a contact separation of at least 3mm in all poles or alternatively by means of a 3A fused three pin plug and unswitched shutt...

Page 25: ...sensor wires Loosen the cable clamp using a screwdriver and insert the wires leading from the outdoor sensor one at a time Connect the wires to the terminals as indicated in the gure below Make sure...

Page 26: ...clock blanking plate or existing clock if tting the RF receiver in a product with an existing mechanical clock from the front control panel of the boiler Using the 4 securing screws supplied with the...

Page 27: ...exchanger D H W flow switch Switch ON OFF Outdoor sensor Underfloor heating thermostat Room Thermostat 1 CN14 CN3 1 1 CN8 CN9 1 1 CN25 1 Display Rd Rd Bl Bl Br Bk Gry Bk Bl 1 CN6 HV connection N N FLA...

Page 28: ...leaks discovered IMPORTANT MANUALLY VENT THE HEAT EXCHANGER AT THE MANUAL AIR VENT FAILURE TO VENT ADEQUATELY MAY DAMAGE THE HEAT EXCHANGER PAGE 7 LEGEND 4 4 1 3 Filling of the DHW System Close all ho...

Page 29: ...n the pump Complete 9 Purge the air by pressing the Mode button for 5 sec Complete 10 Set the heating power See section 4 5 1 Complete 11 Balance the central heating circuit Complete 12 Check operatio...

Page 30: ...minutes See below If you need to stop it press the ESC button alternatively it is possible to manually vent the heat exchanger At the end check that the system is completely deaerated and if not repea...

Page 31: ...e temperature of the water coming out of the boiler may be more than 65 C The following icon appears on the display gas boiler activated at the C H maximum power Press the button to select the icon D...

Page 32: ...3 parameter 1 Maximum Heating Power adjustment submenu 2 parameter 0 Soft light Ignition submenu 3 parameter 5 Heating ignition delay 4 5 1 Maximum Heating Power adjustment The maximum heating power c...

Page 33: ...13 16 Maximum central heating fan speed 234 93 94 Maximum D H W fan speed 232 93 94 Maximum heating power adjstment 231 70 60 Gas valve restrictor NO NO Gas ow max min 15 C 1013 mbar nat m3 h GPL kg h...

Page 34: ...ure indicating the operational assembly is followed by a P warning and the code relating to the speci c warning Important If this shutdown occurs frequently contact an authorised Technical Service Cen...

Page 35: ...pump will continue to run for a maximum of 20 minutes unless a temperature above 9 C is detected in the central heating ow after this the the burner will re heating position until a temperature of 30...

Page 36: ...of parameters value Programming ESC key to exit from the parameters The information relating to the parameters are indicated on the display Caution The menus reserved for quali ed technicians may only...

Page 37: ...int 0 254 Post circulation and post ventilation after domestic hot water is drawn 0 OFF 1 ON 0 OFF 3 minutes post circulation and post ventilation after domestic hot water draw off if the boiler tempe...

Page 38: ...the or buttons but the display will always show 7 to 7 High temperature each step 2 C Low temperature each step 1 C 425 Maximum Central Heating Temperature Zone 1 from 35 to 85 C Param 420 1 82 from 2...

Page 39: ...again Check the settings and make sure all the command adjustment and monitoring parts are working correctly Check the ue system is sealed and operating correctly 7 3 Draining procedures The heating...

Page 40: ...8 1 1 General Access Tools TIME 3 min Remove the two screws under the boiler 1 Pull the casing forwards and unhook it from the upper pins 2 Lower the electrical front panel 3 Remove the combustion cha...

Page 41: ...e 8 2 ELECTRICAL UNIT 8 2 1 Control box access Tools TIME 4 min Remove the front panel as above and pivot the electrical box 1 Unhook the two clip and rotate the cover 2 3 Unscrew the two screws and r...

Page 42: ...de 8 2 2 Fuse Tools TIME 5 min Open the control box as above 1 Remove the fuse 2 3 8 2 3 Main P C B Tools TIME 5 min After opening the control box disconnect the elctrical plug connections 1 Unhook an...

Page 43: ...43 8 maintenance guide 8 2 4 Display P C B Tools TIME 5 min Unscrews the four screws and pull the assembly towards you 1 Disconnect the elctrical plug connections unhook and remove the P C B 2...

Page 44: ...ntral heating lter 8 D H W ow switch assembly 9 Central Heating return 10 Cold water inlet D H W 11 C H drain valve 8 3 2 3 Way valve unit Tools TIME 5 min Unplug the diverter valve cable 1 Remove the...

Page 45: ...he boiler 1 8 3 4 Automatic air vent Tools TIME 5 min Drain the boiler see 3 3 Remove the clip and lift the AAV from the assembly 1 2 8 3 5 Primary water pressure sensor Tools TIME 5 min Drain the boi...

Page 46: ...Pump Tools TIME 10 min Drain the boiler see 3 3 Remove the clip and the two screws 1 Disconnect the pipe and then move the pump to the right to disengage 2 Remove the pump 3 Remove the sensor see 3 5...

Page 47: ...s TIME 10 min Drain the boiler see 3 3 Remove the clip and pull the ow switch assembly towards you 1 Twist the ow switch assembly to disengage 2 8 3 7 C H Filter Tools TIME 5 min Drain the boiler see...

Page 48: ...0 min Drain primary and domestic hot water circuits Remove the two screws and remove the heat exchanger 1 2 8 3 9 LEFT HAND HYDRAULIC BLOCK ASSEMBLY Legend 1 Left hand hydraulic block 2 By pass assemb...

Page 49: ...trap Tools TIME 5 min Unscrew the condensate trap from the condensate body 1 8 3 12 Safety valve Tools TIME 5 min Drain the boiler see 3 3 Disconnect the discharge pipe Remove the st clip on the left...

Page 50: ...pass assembly Tools TIME 5 min Drain the boiler see 3 3 Remove the second clip and pull the assembly towards you 1 2 3 8 3 14 Temperature sensors Tools TIME 5 min NTC1 Black NTC2 Red 1 Unplug the ele...

Page 51: ...15 Overheat thermostat Tools TIME 5 min Remove the electrical connections Unscrew the screw nad remove the overheat thermostat 1 Remove the clip and the temperature sensor 3 IMPORTANT Do not use cond...

Page 52: ...TIME 25 min Drain boiler see 3 3 Unscrew the screws of ue collector 1 Disconnect the condensate discharge pipe from the ue collector 2 Remove the ignitor Disconnect the electrical connectios 3 Remove...

Page 53: ...maintenance guide Remove the silencer Disconnect the gas pipe from the mixer Remove the fan electrical connection Unscrews the two screws Remove the fan mixer group Unscrews the six screws of the bur...

Page 54: ...54 8 maintenance guide Remove the burner Remove the clips to disconnect the ow and return pipes Unscrew the screws of the main exchanger Remove the main heat exchanger...

Page 55: ...55 8 maintenance guide 8 4 COMBUSTION GROUP 1 4 5 6 7 9 8 3 Legend 1 Fan 3 Mixer 4 Silencer 5 Gasket Fan 6 Detection electrode 7 Ignition electrode 8 Burner 9 Burner gasket...

Page 56: ...guide 8 4 1 Spark generator Tools TIME 5 min Remove the electrical connections from the spark genera tor and unhook it 1 8 4 2 Electrodes Tools TIME 5 min Unscrews the four screws 1 Pull the electrod...

Page 57: ...TIME 15 min Remove the combustion assembly see 4 3 1 Remove the three screws to free the fan 2 Legend 1 Fan 2 Venturi 3 Gasket Fan mixer venturi according to the model Power Fan Venturi diameter 24 kW...

Page 58: ...lve Tools TIME 15 min Remove the two screws under the boiler and disconnect the gas pipe on the left of the gas valve 1 Remove the gas valve 2 Legend 1 Gas valve 2 Solenoids 3 Throttle adjustment 4 Of...

Page 59: ...ually How Visual inspection Clean as necessary Flow switch operation Maintenance Interval Annually How Visual inspection Clean as necessary Check ow rate Expansion vessel Maintenance Interval Annually...

Page 60: ...lean as necessary Condensate trap Maintenance Interval Annually or after cleaning primary heat exchanger How Visual inspection Clean as necessary Add water before replacing Pump Maintenance Interval A...

Page 61: ...ffect the customer s statutory rights If yes and if required by the manufacturer has a water scale reducer been tted CONDENSING BOILERS ONLY The condensate drain has been installed in accordance with...

Page 62: ...er Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone...

Page 63: ......

Page 64: ...10462500 Ariston Thermo UK Ltd Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet www ariston co uk Technical Advice 0333 240 7777 Customer Service 0333 240...

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