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29

SERVICING

Mexico Super 4100 FF & 4125 FF - 

Installation

56 SCHEDULE

WARNING.
BEFORE SERVICING always turn OFF the gas supply at
the gas service cock and switch OFF and DISCONNECT
the electrical supply to the appliance.

To ensure the continued safe and efficient operation of the
appliance it is recommended that it is checked at regular
intervals and serviced as necessary. The frequency of
servicing will depend upon the installation condition and
usage but should be carried out at least annually .

It is the law that any service work must be carried out by a
CORGI registered installer. In IE servicing work must be
carried out by a Competent Person.

a. Light the boiler and carry out a pre-service check, noting

any operational faults.

b. Operate the boiler for at least 20 minutes.  Check the gas

consumption.

c. Connect a suitable gas analyser to the sampling point on

the flue collector.  Refer to Frame 60.

For correct operation the CO/CO

2

 content of the flue gas

should not be greater than 0.004 ratio.  If this is the case
and the gas input is within 95% of the nominal then no
further action need be taken.  If not the case, proceed to
step (d).

d. Clean the main burner.

e. Clean the heat exchanger.

f.

Clean the main injectors.

g. Check that the flue terminal is unobstructed and that the

flue system is sealed correctly.

h. If the appliance has been installed in a compartment,

check that the ventilation areas are clear. a. Light the
boiler and carry out a pre-service check, noting any
operational faults.

The servicing procedures are covered more fully in Frames
58 to 62 and MUST be carried out in sequence.

Note.
In order to carry out either servicing or replacement  of
components, the boiler casing must removed. Refer to
Frame 57.

IMPORTANT. After completing the servicing or exchange of
components always test for gas soundness and carry out
functional checks as appropriate.
When the  work is complete the casing MUST be correctly
refitted and secured.
The boiler must NOT be operated if the casing is not fitted.

57 BOILER CASING REMOVAL

1. Remove the 2 screws and lift off the lower front panel.

2. Remove the 2 screws and lift off the grille assembly.

3. Disconnect the electrical leads from the gas valve.

4. Disconnect the in-line connector on the PCB box lead.

5. Remove the thermostat phial

from the pocket as shown.

6. Remove the 2 screws securing

the control panel and pull down
to release the tabs from under
the top panel.

7. If the boiler is not fitted under a

work top, access for flue
cleaning will be improved by
removing the top panel.

SER

VICING

Содержание Mexico Super 4100 FF - 4125 FF

Страница 1: ......

Страница 2: ...est data from which it has been calculated have been certified by a notified body CAUTION To avoid the possibility of injury during the installation servicing or cleaning of this appliance care should...

Страница 3: ...ke and model 3 Appliance serial no on data badge 8 SEDBUK No 2 Controls Time and temperature control to heating 25 Time and temperature control to hot water 25 Heating zone valves 25 TRV s 7 Auto bypa...

Страница 4: ...tallation must be carried out by a Competent Person and installed in accordance with the current edition of I S 813 Domestic Gas Installations the current Building Regulations and reference should be...

Страница 5: ...boiler is to be fitted in a timber framed building it should be fitted in accordance with the Institute of Gas Engineers document IGE UP 7 1998 Bathrooms The boiler may be installed in any room or in...

Страница 6: ...s over 600mm 23 1 2 or with an inaccurately cut hole the minimum spacing in Table 3 Nos 2 3 4 5 6 would be 60mm 2 1 2 in order to allow the terminal wall plate to be fitted 7 The flue assembly shall b...

Страница 7: ...and reference should be made to the current ETCI rules for electrical installations The boiler is supplied for 230 V 50 Hz single phase The fuse rating is 3A Connection must be made in a way that allo...

Страница 8: ...alve assy 28 Gas cock 30 PCB assembly 38 Pressure switch 41 Turret assembly 42 Turret access cover assy 46 Boiler base plate 47 Baseplate heat shield 49 Flue baffle 68 Thermostat phial retaining clip...

Страница 9: ...BOILER HARDWARE PACK 1 BSP plugs 5 off 1 x 1 2 BSP reducing bush 1 off Distributor tube 1off 28mm Comp nut 1off 28mm Olive 1off Thermostat pocket 1 off Thermostat clip RS 3 50 RS 3 60 RS 3 70 RS 3 80...

Страница 10: ...the top panel forward and lift it off the boiler 8 Remove the 2 screws securing the LH side panel to the turret front panel and baseplate 9 Pull the panel forward disengaging from the collector hood...

Страница 11: ...Section Front Section CH DHW Flow Return Flow Return Top LH LH RH RH LH LH RH RH LH LH RH RH LH LH RH RH LH LH RH RH Table 6 Gravity Domestic Hot Water and Pumped Central Heating Table 5 Fully Pumped...

Страница 12: ...mmediately around the cut hole should be flat make good if necessary For less accurate holes make good to approximately 125mm 5 diameter at the 2 wall faces 4 Remove the template from the wall Note If...

Страница 13: ...re the notch is at the top This will aid the location of the studs into the boiler back panel 3 Proceed to Frame 15 item B B Outside fitting Proceed to Frame 15 1 Secure the flue to the boiler using t...

Страница 14: ...board support provided 18 PREPARING THE WALL 1 Tape the template into the selected position 2 Mark onto the wall the position of the flue duct hole IMPORTANT Ensure that during the cutting operation m...

Страница 15: ...ess and mark it onto the flue measuring from the groove near the terminal 2 Wrap the self adhesive foam strip round the flue ensuring that the foam is on the terminal side of the line This seals the g...

Страница 16: ...OCATING THE BOILER A If the flue assembly can be fitted from the outside proceed as follows 1 Move the boiler into position ensuring that the flue outlet is in line with the wall opening 2 Insert the...

Страница 17: ...engths distance from the outside wall to the relevant side of the boiler casing greater than 600mm 23 1 2 Refer to Frame 7 7 When cutting the ducts always use the cardboard support provided 27 PREPARI...

Страница 18: ...ate length A of outer flue duct refer to Frame 7 Ensure the boiler sealing ring is fully engaged 2 Drill 3 holes 3 2mm 1 8 dia through the outer flue duct and boiler sealing ring Do not drill the inne...

Страница 19: ...25mm to the side wall the side outlet plate must be fitted now 1 Split the side outlet plate into 2 down the split line 2 Fit the 2 halves of the side outlet plate to the wall ensuring they are behin...

Страница 20: ...B 1 off B 1 off 152 227 600 to 1000 B 1 off D 1 off B 1 off D 1 off 152227 152132 600 to 1550 B 1 off D 1 off N A 152 227 152132 1 off 1550 to 2000 B 1 off D 2 off N A 152 227 152132 2 off Top outlet...

Страница 21: ...pressure of 20 mbar 8 in w g MUST be available at the boiler inlet with the boiler operating 2 Extend a gas supply pipe NOT LESS THAN 15mm 1 2 OD to the boiler and connect to the gas cock situated at...

Страница 22: ...ween the top of the boiler and the base of the cylinder 41 MINIMUM REQUIREMENTS Fully pumped systems 1 Open vent and cold feed connections must be made to the boiler flow and return tappings according...

Страница 23: ...rminal strip as shown Notes a Secure each lead with one of the cable clamps b The mains lead connection MUST be made so that should the lead slip from its anchorage the current conductors become taut...

Страница 24: ...24 Mexico Super 4100 FF 4125 FF Installation INSTALLATION 46 PICTORIAL WIRING LEGEND w white r red bk black br brown p purple b blue gy grey y g yellow green INSTALLATION...

Страница 25: ...s on thermostats is specific to the manufacturer 3 This is a fully controlled system set the boiler thermostat to maximum 4 Switchmaster Autozone has grey and orange auxiliary switch leads but the GRE...

Страница 26: ...outside the house or if the boiler will be left off for more than a day or so then a frost stat should be wired into the system This is usually done at the programmer in which case the programme sele...

Страница 27: ...switch to OFF 10 Remove the pressure gauge and tube Retighten the sealing screw in the pressure test point 11 Turn ON and check for gas soundness at the pressure test point 12 Refit the lower front pa...

Страница 28: ...should be fully explained to the householder to ensure the greatest possible fuel economy consistent with household requirements of both heating and hot water consumption Advise the User of the preca...

Страница 29: ...n the heat exchanger f Clean the main injectors g Check that the flue terminal is unobstructed and that the flue system is sealed correctly h If the appliance has been installed in a compartment check...

Страница 30: ...have fallen onto the burner head ensuring that the flame ports are unobstructed and remove any debris that may have collected Note Brushes with metallic bristles MUST NOT be used 2 Remove the main bur...

Страница 31: ...wn 3 Retighten the 2 M5 hexagon nuts to ensure an airtight seal Do NOT overtighten 61 RE ASSEMBLY 62 GAS PRESSURE ADJUSTMENT 1 Pilot Pressure Pilot adjustment is factory set to maximum and no adjustme...

Страница 32: ...and washers and withdraw the pilot burner 6 Fit the new pilot burner and re assemble in reverse order ensuring that a The injector is in position when refitting the pilot supply b A gas tight joint i...

Страница 33: ...0 Insert control thermostat phial into pocket and secure with the split pin 11 Refit the in line electrical connector between the control box and the PCB box 12 Remove control box cover and make elect...

Страница 34: ...g nuts and withdraw the burner and controls assembly complete from the boiler 2 Disconnect the ignition lead from the PCB 3 Prise the retaining clip out of the groove in the electrode using a small sc...

Страница 35: ...INJECTOR REPLACEMENT 1 Remove the 2 screws and lift off the lower front panel then remove the grille assembly Refer to Frame 57 Undo the gas cock union Remove the 4 wing nuts and withdraw the burner...

Страница 36: ...grease Ensure the fan leads and 2 sensing tubes are connected 10 Refit the boiler casing 11 Check the boiler operation 73 FAN REPLACEMENT 1 Remove the lower front panel control panel and the top pane...

Страница 37: ...t switch greater than 0 9 mbar Change fan YES NO Change pressure switch Does the pilot light NO YES NO YES Does the spark stop after pilot is lit NO Is there a gas supply to the boiler Is the pilot in...

Страница 38: ...871 LH AEROMATIC No AC 19 123 300 4125 FF 1 153 203 E01 374 RH AEROMATIC No AC 19 123 298 4125 FF 1 150 865 21 Main injector 398 055 BRAY Cat 010 size 1400 4100 FF 2 003 361 E01 490 BRAY Cat 103 size...

Страница 39: ...39 SHORT LIST OF PARTS Mexico Super 4100 FF 4125 FF Installation 76 SHORT PARTS Mex 1879...

Страница 40: ...4100 FF 4125 FF Installation Legend 63 Control panel complete assembly 65 Control box assembly 66 Control thermostat 77 BOILER CONTROL PANEL Exploded View 67 Control thermostat knob 71 Control front...

Страница 41: ...41 LIST OF PARTS Mexico Super 4100 FF 4125 FF Installation 78 PCB BOX Exploded View Legend 29 PCB chassis assembly 30 PCB sub assembly 34 PCB support 37 PCB cover...

Страница 42: ...ND CONTROLS ASSEMBLY Exploded View Legend 16 Front plate assy 17 Sightglass assy 18 Burner manifold 19 Pilot pipe 20 Main burner 21 Main injector 22 Pilot burner 24 Gas valve 25 O ring 26 Ignition ele...

Страница 43: ...00 FF 4125 FF Installation Legend 46 Baseplate 62 Casing complete 63 Controls panel complete 71 Controls front panel door 73 Side panel LH 74 Side panel RH 75 Lower front panel 76 Top panel 77 Grille...

Страница 44: ...rs a series of first class training courses for domestic commercial and industrial heating installers engineers and system specifiers For details of courses please ring 01482 498 432 THIS SYMBOL IS YO...

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