Ariston Genus 27 Plus Installation Instructions Manual Download Page 45 | Manualshive

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Ariston Genus 27 Plus Installation Instructions Manual Download Page 45

23 99 84 1518 111

Manufacturer:

Merloni TermoSanitari SpA - Italy

Commercial subsidiary: MTS (GB) LIMITED

MTS Building
Hughenden Avenue
High Wycombe
Bucks HP13 5FT

Telephone: (01494) 755600

Fax: (01494) 459775

Internet: http://www.mtsgb.ltd.uk

E-mail: [email protected]

Technical Service Hot Line: (01494) 539579

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Summary of Contents for Genus 27 Plus

Page 1: ...400 Installation Instructions Type C Boilers G C N 47 116 11 LEAVE THESE INSTRUCTIONS WITH THE END USER Country of destination GB...

Page 2: ...ter Connections 2 9 Flue Connection 2 10 Room Thermostat Connection 2 11 Electrical System Diagrams 2 12 Water Circuit Diagrams 3 COMMISSIONING 3 1 Initial Preparation 3 2 Removing the Casing 3 3 Cont...

Page 3: ...tes is also shown on the label at the bottom of the boiler Do not install this appliance in a damp environment or close to equipment which spray water or other liquids Do not place objects on the appl...

Page 4: ...fan if necessary 8 Regulate the gas pressure ignition pressure partial flame maximum flame 9 Check proper operation of the heating safety system maximum safety temperature maximum safety pressure 10...

Page 5: ...tion is drawn to the requirements of the current I E E Wiring Regulations and in Scotland the electrical provisions of the Building Regulations applicable in Scotland with respect to the installation...

Page 6: ...indicated in the techni cal data table 7 where the maximum absorbed power is also indicat ed Make sure that the connections for the neutral and live wires cor respond to the indications in the diagra...

Page 7: ...The taps must be at least 15mm nominal size an manufactured in accordance with BS 2870 1980 Safety Valve Discharge The discharge should terminate facing downwards on the exterior of the building in a...

Page 8: ...e should be at least one pipe size large than the largest individual discharge pipe to be connected If unvented hot water storage systems are installed where discharges from safety devices may not be...

Page 9: ...pliance to be adjusted so that a sensible D H W temperature may be achieved throughout the year Domestic Water The domestic water must be in accordance with the relevant recommendation of BS 5546 1990...

Page 10: ...COMPONENTS Morley Road Tonbridge Kent TN9 1RA The minimum acceptable spacing from the terminal to obstructions and ventilation openings are specified in Fig 2 6 The boiler is designed to be connected...

Page 11: ...haust pipe must extend at least 0 5 m above the ridge of the roof if it is located on a side other than that for the air intake this is not obligatory if the exhaust and air intake pipes are located o...

Page 12: ...cated in the terminal block and connect the wire 6 Replace the grommet and the terminal block to their original positions close the cover on the grommet compartment and fasten the wire clamp B in plac...

Page 13: ...Device Adjustment for Heating N Soft light Adjustment O Max Heating Temperature Adjustment P Time Clock Connection Q On Off L E D R On Off Switch S Interface Wire for P C B s T Relay Motorised Valve...

Page 14: ...k Generator 7 Automatic air release valve 8 Circulation Pump 9 Motorised Valve with by pass 10 Main Circuit Flow Switch 11 Safety Valve 3 bar 12 Low pressure switch 13 C H expansion Vessel 14 D H W ex...

Page 15: ...e the pump plug Continue filling the system until at least 1 5 bar registers on the pressure gauge Inspect the system for water soundness and remedy any leaks discovered Filling of the D H W System Cl...

Page 16: ...due to failure ignition Leave the boiler as it is until all of the air has been bled from the lines Loosen the cap on the head of the pump to eliminate any air pockets Repeat the procedure for bleedin...

Page 17: ...This feature is enabled also when the boiler is in summer operating mode 5 Safety Shut off At the start of every lighting phase the P C B performs a series of internal controls If a malfunction occurs...

Page 18: ...et from 0 to 2 mins CATEGORY II2H3 Methane Gas Liquid Butane Gas Liquid Propane Gas G20 G30 G31 Recommended Soft light Pressure mbar 5 5 4 13 4 13 4 Lower Wobbe Index 15 C 1013mbar MJ m3 h 45 67 80 58...

Page 19: ...full load 9 Check of the heating safety systems safety device for maximum temperature safety device for maximum pressure 10 Check of the gas safety systems safety device for lack of gas or flame ionis...

Page 20: ...ent ppm Minimum Ambient Temperature C Heating Temperature max min C Stored D H W Cylinder Capacity l Stored D H W min max Temperature max min C Specific flow rate IN 10 T 30 C l min D H W Expansion Ve...

Page 21: ...Servicing Instructions Type C Boilers G C N 47 116 11 LEAVE THESE INSTRUCTIONS WITH THE END USER...

Page 22: ...ark generator 1 4 3 Removing the gas valve 1 5 Access to the Water Circuit 1 5 1 Removing the main flow switch 1 5 2 Removing the pump pressure switch 1 5 3 Removing the safety valve 1 5 4 Removing th...

Page 23: ...as and electrical supplies to the boiler are isolated and the boiler is cool Before and after servicing a combustion analysis should be made via the flue sampling point please refer to the Installatio...

Page 24: ...3 Pull forward and remove 1 3 2 Removing the combustion cover E E F F F F Fig 1 6 1 3 Access to the Combustion Chamber 4 1 2 2 Removing the side panels 1 Remove the screws B lift outward at the base...

Page 25: ...the gas pipe see fig 1 7 2 Lift up the main burner to free the main gas connection and pull forward very carefully see fig 1 8 3 Remove the injectors see fig 1 9 1 3 3 Removing the burner and the inje...

Page 26: ...dge at the rear see fig 1 15 4 Pull it straight out 1 3 5 Removing the main heat exchanger Fig 1 14 I 1 Remove screws L on the top of the sealed cham ber see fig 1 17 2 Pull upwards the plastic suppor...

Page 27: ...e the collar for flue discharge see fig 1 20 3 Disconnect electrical connections N the silicone pipe O and remove screw P see fig 1 21 4 Pull fan and remove see fig 1 22 1 3 7 Removing the fan Fig 1 1...

Page 28: ...the minimum power see table A page 9 6 When you have completed the above operations turn off the hot water tap re connect the supply terminal to the modureg on the gas valve and replace the cap on th...

Page 29: ...heating power for natural gas G20 34 36 38 40 GAS BURNER PRESSURE Regulating the heating power for butane gas G30 GAS BURNER PRESSURE Regulating the heating power for propane gas G31 GENUS 27 BFFI PLU...

Page 30: ...inlet and outlet 12 Reconnect the compensation tube to the gas valve IMPORTANT Whenever you disassemble and reassemble the gas connections always check for leaks using a soap and water solution Settin...

Page 31: ...ig 1 26 1 27 4 Remove the gas valve see fig 1 28 1 4 3 Removing the gas valve 1 5 2 Removing the pump pressure switch 1 Remove the cable of the pump pressure switch V see fig 1 30 2 Unscrew the pump p...

Page 32: ...e pump 1 Remove the pressure gauge cover by pulling see fig 1 35 2 Release coupling A3 using a 14 mm open ended spanner see fig 1 36 3 Push the pressure gauge through the control panel from the rear s...

Page 33: ...ig 1 41 2 Pull off the thermostat connections Then remove the thermostat from the pipe by releasing it s securing clip 1 Remove the electrical connector by pulling off the thermostat connections see f...

Page 34: ...fig 1 46 3 Remove the spring see fig 1 47 4 Disconnect the probe 5 Replace with new D H W probe 6 Mount the spring 7 Introduce new probe into its housing pushing upwards 8 Ensure the probe has reached...

Page 35: ...2 N B It is possible to by pass the time clock in the event of failure by simply unplugging the electrical connection from the P C B This will revert control of the central heating to the room stat co...

Page 36: ...five screws retaining the facia panel 6 Disconnect the connection cable A10 see fig 1 52 7 To remove the 24V P C B remove the electrical plug connectors and screws A11 see fig 1 53 8 To remove the 24...

Page 37: ...BEING DRAWN FOR BOILERS WITH ELECTRONIC ANTI FROST DEVICE PROTECTION IS ACTIVATED IF HEATING TEMP IS 5 C FOR BOILERS WITH ELECTRONIC ANTI FROST DEVICE PROTECTION IS ACTIVATED IF HEATING TEMP IS 5 C MU...

Page 38: ...witch operation 3 Check pressure on the water gauge and fill system to return to 1 bar 1 Turn the boiler off then on protection reset 1 Check that the pump is not stuck 2 Replace circulation pump 1 Ch...

Page 39: ...replace power supply PCB 5 Check replace control PCB 1 Check replace air pressure switch wiring 2 Check whether reset button in stuck 3 Check replace flame detection electrode 1 Check replace 2 Check...

Page 40: ...P C B 5 Check the control P C B 1 Check supply of gas to gas valve 2 Check power supply P C B 3 Check control P C B 4 Check modureg Shutdown L E D off Restart of the fan IS THE AIR PRESSURE SWITCH AC...

Page 41: ...dary heat exchanger faulty main circuit flow switch faulty D H W probe faulty 3 way valve check sensor for domestic and heating water check gas settings and regulation check water flow rate check DHW...

Page 42: ...t O Max Heating Temperature Adjustment Q On Off L E D R On Off Switch S Interface Wire for P C B s T Relay Motorised Valve U Ignitor Relay V Gas Valve Relay W Fan Relay X Circulation Pump Relay Y Sele...

Page 43: ...132 122 113 125 112 111 113 111 123 124 68 304 301 302 302 301 303 304 305 307 112 304 306 115 18 13 38 133 29 40 84 89 88 6 88 103 8 5 7 6 9 6 82 8 86 85 8 83 93 94 75 54 99 100 22 27 26 25 22 22 118...

Page 44: ...tch Safety valve 3bar Temperature probe D H W Time clock digital PCB low voltage Cable PCB PCB E A FFI P Gasket fan inlet Pressure switch Electrode Detection Electrode Ignition R H Electrode Ignition...

Page 45: ...itari SpA Italy Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet http www mtsgb ltd uk E mail info mtsgb...

Page 46: ...403 Users Manual...

Page 47: ...nically sound product This User s Manual provides detailed instructions and recommendations for proper installation use and maintenance Remember to keep this manual in a safe place for future referenc...

Page 48: ...installer is CORGI registered by calling CORGI direct on 01256 372300 This is a combined appliance for the production of central heating C H and domestic hot water D H W This appliance must be used o...

Page 49: ...ped with either a damp or dry cloth Spray polishes must not be used on the control panel surface or knobs Care must be taken in preventing any liquid entering the appliance If the water is exceptional...

Page 50: ...y of hot water for domestic use always takes precedence over heating When the knob is set to the boiler cuts out the heating system and only provides hot water for domestic use when needed TURNING ON...

Page 51: ...To economise on consumption while achieving the highest level of comfort the temperature adjustment knob is designed with three different heating zones based on the temperature outside the home Rotat...

Page 52: ...d weekday Keep the key pressed down During the summer time period press the 1h key once Enter the hour using the h key Enter the minutes using the m key Enter the day using the Day key 1 Monday 7 Sund...

Page 53: ...y using the Day key When the day seIection is left bIank the programmed switching instruction operates at the same time every day 1 2 3 4 5 6 Monday Saturday 1 2 3 4 5 Monday Friday 6 7 Saturday Sunda...

Page 54: ...ther switching times is also carried out as described in point 4 3 In addition a complete switching command is stored automatically after around 90 seconds provided no other key is pressed The time sw...

Page 55: ...off because the safety thermostat detected that the boiler temperature has reached the temperature limit To reset the unit wait until the boiler has cooled and then press the A button If the safety t...

Page 56: ...it for the purpose of analysing the fumes produced by combustion To access this mode open a water tap or taps so that the flow rate is no less than 8 litres per minute Then press the C selector knob i...

Page 57: ...mmercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet http www mtsgb ltd uk E mail info mtsgb ltd uk Technical S...

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