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36

15.3

Removal and fitting of the case Servicing

Removal of the case

- undo the 4 case retaining screws (Fig. 15.2)

- disengage the clips

- remove the case

Fitting the case

Remove the protective film from the front and
rear of the case 

- position the case (Fig. 15.3)

- engage both clips in the case (see detail)

- fasten the 4 retaining screws 

A

on the front

Servicing

To maintain the unit, it is possible to move the electrical
box without having to disconnect it. The electrical box
is clipped onto the heating outlet pipe or onto the
bottom of the chassis. (Fig. 15.4)

A

A

A

A

A

A

A

A

detail

F

IG

. 15.2

F

IG

. 15.3

F

IG

. 15.4

Summary of Contents for GENUS HE 35 Plus

Page 1: ...GENUS HE 35 Plus BFFi Installation and Servicing Instructions Type C Boilers G C N 47 116 57 35 kW LEAVE THESE INSTRUCTIONS WITH THE END USER GENUS HE 35 Plus Country of destination GB IE ...

Page 2: ...ng the main PCB 18 3 2 Removing the display PCB 18 3 3 Removing the fuses 18 3 4 Removing the time clock 18 4 Access to the Combustion Chamber 18 4 1 Removing the combustion chamber front panel 18 4 2 Removing the air gas assembly 18 4 3 Removing the burner 18 4 4 Removing the detection electrode 18 4 5 Removing the ignition electrode 18 4 6 Removing the fan 18 4 7 Removing the gas valve 18 4 8 Re...

Page 3: ...herein or in a manner not approved by the manufacturer To assist us in providing you with an efficient after sales service please return the guarantee registration card enclosed with the boiler without delay CAUTION In the United Kingdom installation start up adjustments and maintenance must be performed by a competent person only in accordance with the current Gas Safety Installation Use Regulati...

Page 4: ...OM FORT tank on off button 29 burner operation green indicator light 30 red indicator lock out light 31 yellow indicator Comfort button 32 Central Heating control knob stop mini maxi 33 DHW control knob mini maxi 34 Increasing button 35 Reducing button 36 Menu button 37 Pressure gauge 46 Time clock 48 Display 35 27 28 31 48 46 FIG 2 1 USER INSTRUCTIONS Connecting bracket Taps shown in Open positio...

Page 5: ...on means the production of hot water for heating and the production of Domestic hot water Summer operation means the production of Domestic hot water only The boiler control panel allows selection of winter or summer operation Keep the knob 32 in the position to select summer operation To select winter operation turn the knob 32 to a position between the minimum value and the maximum value Heating...

Page 6: ...adjust the Domestic hot water temperature in winter or summer operation use the knob 33 It is possible to determine the temperature of water stored in the tank between 40 C and 70 C COMFORT Interruption of heating To interrupt heating turn the knob 32 to the sun position The boiler will continue to operate in the summer position to provide Domestic hot water only Switch off procedure To switch the...

Page 7: ...A Safety stop E OPERATING STOPPAGE A This type of stoppage is displayed in the form of a number preceded by a letter A as shown in the following table To clear this type of stoppage press the reset button Reset In the table each error code is associated with the problem causing it to appear In the case of error A 02 before calling a qualified technician check the pressure gauge to see if the water...

Page 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 4 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 operation or to 0 to turn the central heating off permanentl...

Page 9: ...he symbol are necessary to carry out a switching program Preparing for Operation Activate the Res switch RESET to reset the time switch to its default setting activate using a pencil or similar pointed instrument Do this every time you wish to reset the time switch to erase all switching times and the current time of day After approximately two seconds the following display appears Enter current t...

Page 10: ...ge the current setting at any time The switching program already entered is not altered Reading the programmed switching times Pressing the Prog key displays the programmed switching times until the first free memory location appears in the display If you now press the Prog key once again the number of free memory Iocations will be displayed e g 18 If all memory locations are occupied the display ...

Page 11: ... faults or failure switch off the appliance and turn off the gas tap Do not tamper with the appliance For repairs call your local Authorised Servicing Agent and request the use of original spare parts For in guarantee repairs contact MTS GB Limited Check the following at least once a year 1 Check the seal of water connections replacing the gaskets if necessary 2 Check the seal of the gas connectio...

Page 12: ... detection electrode 9 stainless steel Domestic hot water tank 10 circulation pump 11 electronic control unit 12 ignition transformer 13 overheat cut off 14 gas valve 15 tank sensor 16 heating outlet sensor 17 heating return sensor 18 distributor valve 19 stainless steel plate Domestic hot water exchanger 20 Domestic hot water flow rate controller 21 Domestic hot water sensor 22 silencer 23 siphon...

Page 13: ...litres should be notified to the relevant Local Authority by means of Building Notice or by the submission of full plans It is important to note that it is a criminal offence to install an unvented hot water storage system without notifying the Local Authority The installation of this appliance must be in accordance with the relevant requirements of the Local Building Regulations the current I E E...

Page 14: ...ed if there is no alternative Where a room sealed appliance is installed in a room containing a bath or shower reference should be made to the relevant requirements In GB this is the current I E E WIRING REGULATIONS and BUILDING REGULATIONS In IE reference should be made to the current edition of I S 813 and the current ETCI rules If the boiler is to be sited into a timber framed building referenc...

Page 15: ...t required with this boiler The boiler must be installed on a solid non combustible permanent wall to prevent access from the rear In order to allow for access to the interior of the boiler for maintenance purposes the boiler must be fitted with a clearance of 450 mm in front 400 mm below the boiler and 200mm above the boiler and installed in compliance with the clearance requirements indicated in...

Page 16: ...anufacturer will not be held liable for damage caused by the failure to earth the appliance properly or by anomalies in the supply of power Make sure that the residential electrical system is adequate for the maximum power absorbed by the unit which is indicated on the rating plate In addition check that the section of cabling is appropriate for the power absorbed by the boiler The boiler operates...

Page 17: ...f the gas service cock Fig 10 2 If the gas supply for the boiler serves other appliances ensure that an adequate supply is available both to the boiler and the other appliances when they are in use at the same time Pipe work must be of an adequate size Pipes of a smaller size than the boiler inlet connection should not be used Central Heating Detailed recommendations are given in BS 6798 1987 and ...

Page 18: ... positioned away from any electrical devices The discharge pipe from the tundish should terminate outside in a safe place where there is no risk to persons in the vicinity of the discharge and to be of metal 2 Discharge pipes from the temperature pressure relief and expansion relief valve are joined together within the appliance 3 The pipe diameter must be at least one pipe size larger than the no...

Page 19: ...e 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 apparent I e in dwellings occupied by the blind infirm or disabled people consideration should be given to the installation of an electronically operated device to warn when discharge takes place Note The discharge will consist of scalding...

Page 20: ...ipe D1 Minimum size of discharge pipe D2 from tundish Maximum resistance allowed expressed as a length of pipe i e no elbow or bends Resistance created by each elbow or bend G 1 2 15 mm 22 mm 28 mm 35 mm Up to 9 m Up to 18 m Up to 27 m 0 8 m 1 0 m 1 4 m G 3 4 22 mm 28 mm 35 mm 42 mm Up to 9 m Up to 18 m Up to 27 m 1 0 m 1 4 m 1 7 m G 1 28 mm 35 mm 42 mm 54 mm Up to 9 m Up to 18 m Up to 27 m 1 4 m ...

Page 21: ...nt 12 11 10 9 8 8 4 5 6 7 V 3 1 2 16 Fig 10 5 A Gas Inlet B C H Return C C H Flow D D H W Secondary Return E D H W Flow F C W Inlet 1 Gas Meter Inlet Cock 2 Gas Meter 3 Gas Meter Outlet Cock 4 Internal Gas Cock 5 Appliance Gas Inlet Cock 6 Cold Water Inlet Cock 7 D H W Expansion Vessel 8 Cock 9 Secondary Return Pump 10 Thermostat 11 Time Control Clock 12 T P Valve 13 Tundish Residual Head of the B...

Page 22: ...r to respond to different installation solutions For more information with regard to the inlet outlet accessories consult the accessory catalogue The boiler is supplied ready for connection to a concentric flue system NOTE SEE PAGE 28 FOR MAXIMUM AND MINIMUM FLUE RUNS TABLES A B AND C Warning The exhaust gas ducts must not be in contact with or close to inflammable material and must not pass throu...

Page 23: ... on the top part of the combustion chamber 136 NOTE THE FLUE MUST TERMINAL MUST BE AT LEAST 2 METRES FROM ANY OPENING IN A BUILDING OPPOSITE AND SHOULD NOT DISCHARGE ACROSS BOUNDARIES IN ADDTION TO THIS THE FLUE MUST NOT TERMINATE IN A PLACE LIKELY TO CAUSE NUISANCE Fig 11 3 Flue Clamp 145 mm Maximum Lenght 3 m Minimum Lenght 370 mm 100 mm 107 mm 95 mm X 153 5 Ø 60 100 mm 4 Fig 11 4 4 ...

Page 24: ... 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 required length taking care not to cut the inner flue next cut the inner flue ensuring that the length between the inner and outer flue is maintained Fig 11 5 e g X 555mm 815 555 260mm Length to be cut from the plain end of the flue Once cut to the required length ensure that...

Page 25: ...aust 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 extensions be required they are availabl...

Page 26: ...mp and screws provided To fit extensions or elbows it is first necessary 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 necessary to secure the flue components Before proceeding to fit the flue ensure that the maximum flue length has not been exceeded See the tables on Page 20 and that all elbows and bend...

Page 27: ...s to the pipe bridge this point must be adequately sealed with silicone sealant to avoid condense leakage at this point When siting the twin flue pipe the air intake and exhaust terminals must terminate on the same wall the centres of the terminals must be a minimum of 280 mm apart and the air intake must not be sited above the exhaust terminal refer to Fig 29 The air intake pipe can be run horizo...

Page 28: ...TABLE A Concentric outlet 60 100 Min length Max length Length equivalency for 35 kW 0 3 m 4 m 45o elbow 0 5 m 90o elbow 1 m TABLE B Concentric outlet 80 125 Min length Max length 35 kW 0 3 m 10 m 45o elbow 0 5 m 90o elbow 1 m TABLE C Twin flue outlet 35 kW 123 5 200 107 25 Fig 11 14 ø 100 60 mm In the event that twin flue pipes are used and the boiler has a side clearance of less than 60mm from th...

Page 29: ...29 NOTE DRAWINGS ARE INDICATIVE OF FLUEING OPTIONS ONLY TYPE 1 TYPE 5 TYPE 4 TYPE 3 TYPE 2 FIG 11 16 EXHAUST AIR INTAKE AIR INTAKE AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST FIG 11 17 ...

Page 30: ... PLUG AND UNSWITCHED SOCKET MAY BE USED PROVIDED IT IS NOT USED IN A ROOM CONTAIN ING A BATH OR SHOWER IT SHOULD ONLY SUPPLY THE APPLIANCE External Controls Open the cover B with a screwdriver Fig 12 2 The room thermostat is connected onto this connec tor B Fig 12 1 remove the bridge S Fig 12 3 connect the thermostat in place of the bridge S Fig 12 3 If a remote time clock is to be fitted using a ...

Page 31: ...31 Outside sensor H 1 2 H N S W E N E 05 2006 05 2006 05 2006 FIG 12 4 ...

Page 32: ...ck Red 4 8 5 9 White White Purple Purple 11 12 1 10 2 11 Blue Red Grey Grey Black Black Interface Card Spark generator Heating flow thermistor Heating return thermistor Domestic hot water flowswitch Domestic hot water thermistor CN5 CN8 1 2 3 4 Grey Grey Black Black 5 8 1 2 Red White Red Blue 5 6 1 2 3 4 Red Red Blue Yellow Brown Black Overheating safety device Pressure switch Tank thermistor Fan ...

Page 33: ...eating flow thermistor 11 Tank thermistor 12 Hot water control thermistor 13 Pump 14 Secondary plate heat exchanger 15 DHW activator 16 Heating return thermistor 17 Heating expansion vessel 18 Three way valve 19 Heating safety valve 20 Pressure jauge 21 Electrical box 22 Overheat safety device 23 Fan 24 Fumes box 25 Flue pipe 26 By pass 27 Non return valve 28 Gas tap 29 Heating return tap 30 Heati...

Page 34: ... of air is visible Purge the air from the pump by unscrewing the pump plug anticlockwise also manually rotate the pump shaft in the direction indicated by the pump label to ensure the pump is free Refit 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 C...

Page 35: ...rnox Superfloc or equivalent whose function is to dissolve any foreign matter that may be in the system Substances different from these could create serious problems to the pump or other components The use of an inhibitor in the system such as Fernox MB 1 or equivalent is strongly recommended to prevent corrosion sludge damaging the boiler and system following the flushing procedure Failure to car...

Page 36: ...he front and rear of the case position the case Fig 15 3 engage both clips in the case see detail fasten the 4 retaining screws A on the front Servicing To maintain the unit it is possible to move the electrical box without having to disconnect it The electrical box is clipped onto the heating outlet pipe or onto the bottom of the chassis Fig 15 4 A A A A A A A A detail FIG 15 2 FIG 15 3 FIG 15 4 ...

Page 37: ...he gas supply has been cut off the warning light 30 comes on and A01 appears on the display leave the pump running until all the air has been exhausted from the appliance bleed the air from the radiators open the Domestic hot water circuit to eliminate all the air from it check the appliance pressure and if it has fallen add water to bring it back to 1 bar check the exhaust gas evacuation duct che...

Page 38: ...heat command C Heating c Pump in post circulation mode for heating d Domestic hot water h Pump in post circulation mode for Domestic hot water b Tank reheating On the right the display shows 2 characters in heating mode heating appliance output temperature in Domestic hot water distribution mode drawing off temperature in tank reheating mode tank temperature Left hand display Right hand display Op...

Page 39: ...tuator depending on system 00 to 03 00 do not alter P Post circulation with pump in heating mode from 01 to 15 minutes or C0 02 C Activation deactivation of Domestic hot water function 00 or 01 00 PU Pump speed control U0 or U1 U1 r Heating setpoint range 00 or 01 01 P Temperature control by external sensor 90 or 91 90 P6 Gradient shift 20 to 20 C 0 P5 Gradient adjustment 0_1 to 5_0 0_9 T Test fun...

Page 40: ...factory set value is given in the menu table Maximum heating outlet temperature5 This parameter sets the maximum heating outlet temperature in relation to r Use the and buttons in menu 5 to select the required value The factory set value is given in the menu table Minimum heating outlet temperature4 This parameter sets the minimum heating outlet temperature in relation to r Use the and buttons in ...

Page 41: ...rt function press the button The yellow indicator light 31 goes out Use the and buttons in menu C to select the required value The factory set value is given in the menu table COMFORT Circulation pump speedP U0 Fixed speed operation U1 Variable speed operation Use the and buttons in menu P to select the required value The factory set value is given in the menu table Heating temperature range setti...

Page 42: ... type of installation into account The microprocessor can do this because it is possible to establish a link between the external temperature and the outlet temperature of the water This link is expressed by a thermal curve The type of curve must be chosen according to the type of appliance and the heat losses present in the building Important When selecting a curve for low temperature appliances ...

Page 43: ...n press the button again RESET RESET RESET RESET RESET The boiler is designed to operate according to function and setting variables using the control panel display Press the Menu button for 10 seconds to access the function allowing you to read the main system variables Press the button continuously to read the following information in sequence RESET M Selection display To return to the standard ...

Page 44: ... the appliance does not automatically restart To reset the boiler press the key 27 If after several attempts to reset the appliance stops again call a qualified technician The following is a list of the stoppage types and the corresponding codes displayed on the screen RESET IMPORTANT If this type of failure occurs too often call an approved after sales technical service For safety reasons the boi...

Page 45: ...settings menu see menu table The antifreeze protection is only activated if the boiler is in perfect working order in other words the appliance water pressure is sufficient the boiler is receiving an electrical supply gas is being supplied Display CAUSE S 01 Flame not detected on first attempt S 02 Flame not detected on second attempt S 04 Open circuit on Domestic hot water sensor S 05 Short circu...

Page 46: ...aximum pressure 10 Check of the gas safety systems safety device for lack of gas or flame ionisation detection electrode safety device for gas cock 11 Check of the electrical connection make sure it complies with the instructions in the manual 12 Check of domestic hot water production efficiency delivery rate and temperature 13 Check pressure in the Domestic Expansion Vessel and top up as necessar...

Page 47: ...uld be made via the flue sampling point please refer to Section 15 8 After servicing preliminary electrical system checks must be carried out to ensure electrical safety i e polarity earth continuity resistance to earth and short circuit A All testing and maintenance operations on the boiler require the control panel to be lowered This will also require the removal of the casing Fig 18 3 Fig 18 1 ...

Page 48: ...s the three peripheral plastic parts B2 to unlock the fitting P C B and pull it toward you simultaneously see Fig 18 7 1 Isolate electricity and carry out step 18 2 1 2 Open the control box as above see Fig 18 6 3 Remove the three screws on the control box see Fig 18 9 Fig 18 10 Fig 18 9 Fig 18 11 Fig 18 6 Fig 18 7 Fig 18 8 B1 B2 B2 B2 18 3 2 Removing the display P C B 4 Remove the four screws on ...

Page 49: ...WIRES MAY BE TUCKED BEHIND THE ELECTRICAL COVER 5 Connect the time clock wires as follows and reassemble in reverse order 1 Isolate electricity and carry out step 18 2 1 2 Open the control box as in step 18 3 1 see Fig 18 6 3 Remove the fuses C see Fig 18 12 4 Reassemble in reverse order 18 3 3 Removing the fuses C Fig 18 12 MECHANICAL MODEL Fig 18 14 Red Wire Contact 1 Black Wire Contact 2 Black ...

Page 50: ... Carry out step 18 2 1 3 Remove the silencer Fig 18 18 9 Remove the air gas assembly and combustion chamber front Fig 18 26 10 Reassemble in reverse order 4 Disconnect the detection electrode cable Fig 18 19 5 Remove the earth cable from the ignition electrode Fig 18 20 and remove the ignition electrode cable from the ignitor Fig 18 21 6 Unplug the gas valve and fan connectors Figs 18 22 and 18 23...

Page 51: ...mble in reverse order and checking all seals are undamaged and the burner is positioned correctly Fig 18 29 1 Carry out step 18 2 1 2 Remove the 2 screws G from the electrode manifold Fig 18 30 3 Pull the electrode from the combustion chamber Fig 18 31 4 Disconnect the detection electrode cable Fig 18 32 5 Reassemble in reverse order 18 4 5 Removing the ignition electrode 1 Carry out step 18 2 1 2...

Page 52: ... remove Fig 18 38 5 Reassemble in reverse order 18 4 7 Removing the gas valve 1 Carry out step 18 2 1 2 Remove the air gas manifiold as in 18 4 2 Fig 18 39 3 Unscrew the three screws L on the air gas pipe and remove Fig 18 40 4 Unscrew the three screws holding the gas valve on the venturi Fig 18 41 5 Remove the gas valve from the venturi Fig 18 42 6 Reassemble in reverse order 7 The gas valve sett...

Page 53: ...eturn pipes and the condense drain pipe from the heat exchanger Fig 18 45 5 Remove the heat exchanger from the boiler by sliding out Fig 18 46 6 Reassemble in reverse order 18 4 9 Removing the spark generator 1 Carry out step 18 2 1 2 Disconnect the earth cable from the ignition electrode Fig 18 47 3 Disconnect the ignition electrode live neutral and earth cables from the ignitor Fig 18 48 4 Remov...

Page 54: ...51 For the D H W circuit 1 Close the water inlet tap 2 Open a D H W hot water tap 3 Open the drain screw P2 on the boiler see Fig 18 51 To drain the tank more quickly remove the cap on the tank see Fig 18 52 Important Take care when removing the cap to drain the cylinder P2 P1 1 Carry out steps 18 2 1 and 18 2 2 2 Remove the clip Q1 and the three way valve motor see Fig 18 53 Fig 18 54 Fig 18 53 F...

Page 55: ...18 57 3 Reassemble in reverse order Fig 18 56 R Fig 18 57 18 5 4 Removing the by pass 1 Carry out steps 18 2 1 and 18 2 2 2 Remove the heating filter as in step 18 6 3 3 Remove the clip and pull out the By pass see Fig 18 58 and 18 59 4 Reassemble in reverse order Fig 18 59 18 5 6 Removing the pressure relief valve 7 bar 1 Carry out steps 18 2 1 and 18 2 2 2 Remove the clip securing the valve and ...

Page 56: ...tre of water before restarting the boiler Fig 18 63 18 5 7 Removing the temperature and pressure relief valve 7 bar 1 Unscrew the nut and then unscrew the valve see Fig 18 63 2 Reassemble in reverse order Fig 18 65 Fig 18 64 Fig 18 66 Fig 18 67 Fig 18 68 18 5 9 Removing the pressure gauge 1 Remove the casing as in step 18 2 1 2 Pull the pressure gauge out see Fig 18 67 3 Remove the clip T4 securin...

Page 57: ...e nut U2 with a No 17 spanner see Fig 18 73 4 To ensure the easiest access to the hydraulic parts hang the expansion vessel on the chassis without removing the nut see Fig 18 74 5 Reassemble in reverse order Fig 18 72 Fig 18 73 Fig 18 74 U1 U2 Fig 18 75 Fig 18 76 Fig 18 77 18 5 12 Removing the D H W expansion vessel 1 Remove the casing as in step 18 2 1 2 Remove the nut V1 with a No 24 spanner see...

Page 58: ...move the casing as in step 18 2 1 2 Pull off the thermostat connections Then remove the thermostat from the pipe by releasing it s securing clip see Fig 18 78 18 5 14 Removing the temperature sensors N T C s 1 Remove the casing as in step 18 2 1 2 Pull off the NTC connections Then remove the NTC from the pipe by releasing it s securing clip see Fig 18 79 Fig 18 78 4 Reassemble in reverse order the...

Page 59: ...20 Removing the plate heat exchanger 5 Pull up the exchanger to disengage it from the pipes and remove the screw T20 Y3 see Fig 18 92 6 Reassemble in reverse order 1 Carry out step 18 2 1 2 Remove the isolating cover by pulling it toward you see Fig 18 90 3 Remove the screw Y1 with a N 8 spanner see Fig 18 91 4 Remove the two clips Y2 on the right part see Fig 18 91 Fig 18 90 Fig 18 91 Fig 18 92 Y...

Page 60: ...tep 18 5 15 DHW temperature sensor in step 18 5 18 Plate heat exchanger in step 18 5 20 3 Remove the nut Z1 N 30 spanner and the Pal nut Z2 N 34 spanner on the bottom of the boiler to disengage the pipe between the chassis and the thermal valve see Fig 18 95 4 Remove the two screws Z3 on the left side panel see Fig 18 96 5 Remove the nut No 10 spanner on the top of the tank see Fig 18 97 6 Pull up...

Page 61: ...re is sufficient water in the system 2 The gas is turned on 3 The electrical supply is turned on IS DHW BEING DRAWN YES YES YES YES TURN THE DHW CONTROL KNOB TO MAX AND PUSH ON COMFORT BUTTON NO NO NO NO NO NO YES YES IS CLOCK TURNED ON AND THE ROOM THERMOSTAT TURNED UP NO NO YES YES FC P012 A It is possible to detect and correct defects by using the standard fault finding diagrams described in th...

Page 62: ...ES NO NO NO NO YES YES 1 Check replace ignition electrode 2 Check ignition cable 3 Check spark generator 4 Check ignition electrode cable 5 Check replace P C B 1 Check if flame strikes detection electrode 2 Check soft light gas pressure 3 Check replace detection electrode 4 Check replace P C B 1 Check power supply of gas valve 2 Check replace P C B 3 Check efficiency of gas valve 4 Replace gas val...

Page 63: ...ture check temperature probes faulty D H W flow switch faulty 3 way valve check temperature probes check gas pressures check water flow rate primary heat exchanger faulty or lime scale deposits low heating system water pressure check gas pressures check temperature probes check for leaks on the heating circuit faulty filling loop expansion vessel faulty faulty detection electrodes check gas settin...

Page 64: ...ASSEMBLY 61304608 0537 PRESSURE RELIEF VALVE 61305113 0538 PUMP AIR SEPARATOR 15 50 61301964 PUMP AIR SEPARATOR 15 60 61303461 0543 STOPPED WATER THROTTLE 61304982 0603 THERMISTOR TEMPERATURE SENSOR 61314258 0606 OVERHEAT THERMOSTAT 100 C 61010572 277783 0609 WATER WATER HEAT EXCHANGER 16 61314111 0649 PRESSURE RELIEF VALVE 7 BARS 61314112 0707 P C B ACO MCU 65103508 0709 IGNITER 61002105 20 37907...

Page 65: ...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 66: ...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 67: ...expansion vessel capacity L 7 1 Expansion vessel inflation pressure bar 0 7 Adjustable hot water temperature C 40 to 70 Stored D H W cylinder capacity L 42 DHW ignition flow rate l min 2 DHW specific flow rate ΔT 30 K D I min 21 0 DHW start minimum pressure Pw min bar 0 3 Maximum pressure of DHW circuit Pw max bar 7 DHW expansion vessel L 4 Electric voltage 230 volt single phase 50 Hz Electrical i...

Page 68: ...lycoolin 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 420010011201 07 2007 ...

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