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TEMPRA 24

35

7.08 Removal of burner (fig. 35)

•  Isolate gas and electricity supplies
•  Remove outer case (two screws bottom rear 

corners)

•  Remove room sealed cover
•  Disconnect ignition and fl ame rectifi cation 

leads "A"

•  undo gas rail union "B"
•  Undo two screws securing the burner assem-

bly to the boiler combustion chamber "D"

•  Withdraw the burner assembly

7.09 Injectors (fig. 35)

•  Proceed as 7.08
• Remove 

fi xing screw "C" on both sides of 

gas collector

•  Remove gas collector
•  Unscrew and remove injectors;
•  Clear or change injectors

C

A

B

Fig. 35

D

D

7.10 Removal of fan (fig. 36)

•  Isolate gas and electricity supplies
•  Remove outer case (two screws bottom rear 

corners)

•  Remove room sealed cover
•  Disconnect fan electrical leads "A"and note 

positions

•  Disconnect air pressure tubes from air pressure 

switch "B" + note positions

•  Undo two screws securing fan assembly "C"
•  Remove fan from boiler
•  Swap mounting plate over to new fan + replace 

in reverse order

7.11 Limit thermostat, or overheat 

 

cut off thermostat (fig. 36)

• Isolate 

electricity

•  Remove outer case (two screws bottom rear 

corners)

•  Remove room sealed cover
•  Identify the location of thermostat from fi g. 

35

•  Pull out thermostat from tube, with its spring
•  Remove electrical connections from thermo-

stat

•  Remove spring from thermostat
•  Replace in reverse order

Fig. 36

Overheat cut off 

Limit thermostat

C

A

B

Содержание TEMPRA 24

Страница 1: ...1 bl 0520 TEMPRA 24 INSTALLATION SERVICE AND USER INSTRUCTIONS Copper Wall Mounted System Gas Fired Boiler for Central Heating Fan Assisted Room Sealed Compartment Electronic Flame Ignition and Contro...

Страница 2: ...red Installers carry a CORGI ID card and have a registration number Both should be recorded in your central heating log book You can check with the CORGI register by calling CORGI on 01256 372300 Ferr...

Страница 3: ...heating flow temperature adjustment thermostat Central heating limit thermostat Overheat safety thermostat Electronic control unit for automatic flame ignition and control Central heating flow tempera...

Страница 4: ...central heating generators and are produced as standard to function with natural gas or Liquid Petrolium Gas converted appliances 98 155 36 155 460 100 25 150 272 25 160 98 36 155 114 760 706 9 65 175...

Страница 5: ...ion vessel capacity litres 8 Minimum central heating operating pressure bar 0 8 Maximum central heating operating pressure bar 3 Maximum central heating operating temperature C 90 Index of protection...

Страница 6: ...Internal flue exit 32 Central heating pump 34 Central heating flow temperature sensor 36 Automatic air vent valve 43 Air pressure switch 44 Gas valve 49 Safety overheat thermostat 50 Central heating f...

Страница 7: ...put to the water as burner working pressure is varied Adjusting boiler output to the actual requirements of the central heating system will minimise boiler cycling thus saving fuel varying the output...

Страница 8: ...9 55 1 19 0 41 2 33 1 125 17 5 32 4 68 9 23 7 51 5 41 3 150 21 0 38 8 82 6 28 5 61 8 49 6 175 24 5 45 3 96 4 33 2 72 1 57 9 200 28 0 51 8 110 2 38 0 82 4 66 2 0 140 0 259 0 551 0 190 0 412 0 33 For sy...

Страница 9: ...ower Air Supply The room or compartment in which the boiler is installed does not require a purpose provided vent when using the standard concentric flue Flue System The boiler allows the flue outlet...

Страница 10: ...tem with domestic hot water circuit is illustrated in fig 7 Important If thermostatic radiator vales are fitted a automatic bypass must be fitted to ensure a minimum flow rate through the boiler of 6...

Страница 11: ...o see 6 1 2 From a terminal facing the terminal From an opening in the car port e g door window into the dwelling Vertically from a terminal on the same wall Horizontally from a terminal on the same w...

Страница 12: ...ate mark flue outlet and boiler mounting points Drill two 10mm holes 70mm deep to accept the wall plugs Fit standard wall plugs on the left and right side and the special wall plug in the middle fig 1...

Страница 13: ...rictor RESTRICTOR FOR TWO PIPE SYSTEM Total flow resistance of flue system Use restrictor size minimum maximum mm 0 m 10 m 45 10 m 20 m 47 20 m 35 m 50 35 m 45 m No restrictor With concentric systems...

Страница 14: ...pes The simple mounting and use of double lip gaskets at the joints makes this an extremely easy and safe option For flue length up to 1 m long the 50 mm restrictor is required Longer than this no res...

Страница 15: ...Maximum concentric flue length First table below shows the maximum flue lengths available for boilers with concentric systems For correct calculation remember to include the reduction for bends on sec...

Страница 16: ...ulation method is based on a standard reference parameter 1 metre of horizontal air flue 80 diameter 80 for the maximum length permissible for all the pipes fittings flow resistance coefficient In oth...

Страница 17: ...al Description Male female flue 80 Male female bend 45 80 Male female bend 90 80 Air terminal of inlet protection 80 Outlet flue air inlet for connection with split end 80 1 1 1 2 1 2 2 2 1 5 2 5 Redu...

Страница 18: ...et outlet with 2 pipe system maximum total flue length 48 metres 3 2 6 5 1 7 4 Fig 17 Example of wall inlet outlet 2 pipe application Example of roof inlet outlet 3 04 4 Example of other installation...

Страница 19: ...carefully next procedure Fig 21b Fig 21c Fig 21d Remove fan mounting plate by undoing the three fixing screws d Rotate the fan through 90 so that the fan nozzle points sideways Secure the fan to the p...

Страница 20: ...o air pressure switch connection with red dot and clear tube to air pressure switch connection with no paint marking Fit the fan into the boiler rotating the front to engagewiththepina Securewiththesc...

Страница 21: ...plugs Fit two wall plugs on the wall as described in the fig 23a Fasten the wall bracket to the wall using two standard nuts M8 Mount the boiler on the wall bracket and fix using two standard nuts M8...

Страница 22: ...the plate use the large diameter washers for the bolts and screws Square Gasket Circular Gasket Fig 24e 5 Through plate into air tube drill two holes and fix in place using two self tapping screws M4...

Страница 23: ...Sentinel water treatment products which must be used in accordance with the manufacturers instructions For further information contact Fernox Manufacturing Co LTD Sentinel Division Cookson Electronic...

Страница 24: ...conform to current I E E regulations Note If the power supply cable has to be replaced use 0 75mm 24 0 20 heat resisting cable only to BS6500 with a maximum external diameter of 8 mm Note When connec...

Страница 25: ...8 9 10 PROGRAMMER DHW ON CH ON NEUTRAL LIVE CH zone valve DHW zone valve Room Thermostat Cylinder Thermostat N E L 230 Vac fused at 3 amps BROWN BLUE GREY ORANGE 1 2 3 4 5 6 7 8 Tempra 24 Junction Bo...

Страница 26: ...Room Thermostat Cylinder Thermostat N E L 240 Vac fused at 3 amps Honeywell V4073H mid position The heating system must have a automatic by pass capable of 6 Ltrs min as per Building regulations part...

Страница 27: ...everything in reverse order Please refer to page 42 of User manual for use of time clock Note this option is not suitable for the U K building regulations X6 X1 X2 X3 X4 1 2 1 2 1 3 1 2 3 4 5 6 7 8 9...

Страница 28: ...d release it The reset electronic control unit will repeat the start up cycle Note In central heating mode after resetting the boiler will go into it 2 minute delay before starting up again If after a...

Страница 29: ...am of the gas valve Disconnect the pressure compensation tube F Remove the protective cap C Adjust potentiometre P3 on the main board at minimum clockwise Operate boiler for central heating Adjust min...

Страница 30: ...ical supply subject to the room heat requirements 5 07 Adjusting the central heating flow t by varying pump flow head The thermal head t the difference in temperature between the delivery water and re...

Страница 31: ...ate electricity supply check fuse is 3amp 3 Remove case by undoing the two screws locate at the bottom rear corners lift slightly and pull forward 4 Carry out preliminary electrical checks at boiler j...

Страница 32: ...is for flue gas The boiler must reach operating temperature before this test is carried out normally 10 15 minutes CO CO2 ratio should not exceed 0 0080 29 Refit case and secure with screws 30 Leave...

Страница 33: ...ition 7 02 Final procedure Re open cocks and re charge the system to about 1 bar and vent boiler and radiators Re charge to 1 bar if necessary Upon completion of the work the following should be check...

Страница 34: ...pplies Remove outer case two screws bottom rear corners Remove the two securing screws and lower control panel Identify valve from fig 34 Drain the boiler Release the outlet union to the valve and und...

Страница 35: ...ate gas and electricity supplies Remove outer case two screws bottom rear corners Remove room sealed cover Disconnect fan electrical leads A and note positions Disconnectairpressuretubesfromairpressur...

Страница 36: ...ead into pump body and secure with the allen screws tightening evenly Replace electrical connection Fig 38 7 14 Removal of heat exchanger Isolate gas water and electricity supplies Remove casing 2 scr...

Страница 37: ...mode Note If the boiler thermostat is set to maximum then the burner pressure will go to maximum effectively bypassing the auto range rating facility 8 02 Limit thermostats T Stat Location Function N...

Страница 38: ...ctrical control compartment accessed by lowering the facia then removing the rear cover 8 07 Main printed circuit board Secured by flour plastic tabs the PCB is situated inside the control compartment...

Страница 39: ...re adjustment P2 Factory set don t touch P3 Central heating flow output adjustment P4 Ignition gas pressure adjustment P5 Factory set Do not adjustment 9 Electrical and functional scheme 9 01 Main com...

Страница 40: ...30V 24V BR Blue BR Blue BR Blue MV1 MV2 MV3 MV4 Blue BR Blue BR Blue Blue O O Blue BR BL BL BL Y G Y G BL 8 7 6 5 4 3 2 1 X9 1 2 3 155 Blue BR W W BL 98 50 34 32 44 49 16 43 103 72 L N 4 8 12 14 1 5 9...

Страница 41: ...ontrol devices The boiler is fitted with automatic electronic ignition so there is no pilot to worry about Pull down cover to reveal control facia panel Make sure that the gas water and electricity su...

Страница 42: ...e to observe these requirements may lead to prosecution Electrical Supply WARNING This appliance must be earthed The electrical wiring must be carried out by a competent electrician The colours of the...

Страница 43: ...s and to set OFF time eg 9 00 Display 3 1 Use button and to set 2nd ON time eg 12 30 Display 4 1 Use button and to set 2nd OFF time eg 14 00 Display 5 1 Use button and to set 3rd ON time eg 16 00 Disp...

Страница 44: ...Road Branston Industrial Estate Burton Upon Trent Staffordshire DE14 3HD Tel 08707 282 885 Fax 08707 282 886 ALL SPECIFICATIONS SUBJECT TO CHANGE Please note to avoid incurring unnecessary expense in...

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