C&M 24 Maintenance and service manual

Manual is about: CONDENSING WALL HUNG BOILER

Summary of 24

  • Page 1

    Maintenance and service guide fanned flue condensing central heating system boiler 24 and 30 dimensions flue types: c 13: c 33: c 53: c 108 108 jl n i 88 j l n 232 235 32 380 212 360 50 67 8 5 0 7 3 7 safety valve center line all dimensions in mm outer case dimensions : - width : 440 (minimum space ...

  • Page 2

    2 pump and expansion vessel characteristics components location note : the system initial pressure should be over the following value : system static height (in metre) + 0.7 = initial pressure (in bar) 10 gv f= high speed by-pass closed gvo = high speed by-pass open pv f= low speed by-pass closed pv...

  • Page 3

    3 functioning control panel 35 30 24 27 28 34 33 36 31 32 29 24.- display 27.- setting key 28.- setting key 29.- central heating switch 30.- green indicator – central heating mode on 31.- central heating temperature reducing key 32.- central heating temperature increasing key 33.- green indicator – ...

  • Page 4

    4 central heating mode to be able to supply heating, the mode should be switched on. Press on key 29 , the green indicator 30 will light, and the display will show the heating flow temperature. Keys 31 and 32 allow to adjust the temperature required for central heating system regarding the weather c...

  • Page 5

    5 centora green functional diagram 49 48 43 41 19 16 39 37 21 23 18 14 13 12 6 3 8 5 7 diagram electrical wiring.

  • Page 6

    6 5 ” menu - 1 - default register record the last 10 defaults section digit 1 digit 2 and 3 last default occured 0 • code from 01 to 99 last but one default occurred 1 • code from 01 to 99 ... ... Code from 01 to 99 last default occurred before the previous one 9 • code from 01 to 99 menu - 2 - boil...

  • Page 7

    7 menu - 3 - boiler options display action configuration section digit 1 digit 2 and 3 under floor heating system 0 0 : no 1 : yes f a c to ry s e tt in g once x times menu - 4 - boiler settings section digit digit 1 2 and 3 room thermostat operation 0 0 : burner only 0 1 : burner and pump pump spee...

  • Page 8

    8 menu - 5 - combustion rate control mode x x x x display action configuration wait 5 ” combustion rate control mode off switching on the combustion rate control mode. Central heating output reach the maximum power set in menu 4 section 9. Central heating temperature is dis- played in celsius degree...

  • Page 9

    9 ch heat output setting : if you would like to change the setting of c/h heat output, please proceed as follow : (note : the factory setting is 18 kw and the following explanation refer to menu 4 section 9) - switch to installer mode, press key and on the right side for 5 seconds. The display shows...

  • Page 10

    10 regulation flow switches temperature regulation for c/h circuit is controlled by 1 thermistor. The c/h knob allows the adjustment of temperature between 35 and 85°c. Resistance value are - 5000 Ω at 25 °c - 2631 Ω at 40°c - 620 Ω at 80°c - 255 Ω at 110°c flow in heating circuit is detected by 1 f...

  • Page 11

    11 removal and replacement of parts before removing appliance case, isolate the gas and electrical supplies. Isolate boiler from the system and drain before removing any component in the water- ways. Ensure that the appliance is cool. 1. Outer case remove four screws in base of case and lift free. W...

  • Page 12

    12 16. Main heat exchanger carry out step 1 and 2 as above. Drain down the boiler as in step 11. Unscrew three screws securing the air/gas con- nection pipe onto the gas valve assem- bly. Disconnect ionisation and lighting electrodes from their wiring. Unscrew six nuts to release combustion chamber ...

  • Page 13

    13 f a u l t f in d in g c h a r t p a rt 1 s w it c h o n t h e m a in e le c tr ic a l s u p p ly d o e s t h e g re e n l e d a lig h t ? - c h e c k m a in s e le c tr ic a l c o n n e c ti o n - c h e c k i n te rn a l fu s e s - c h e c k c o n n e c ti o n b e tw e e n th e 2 p c b s r e p la...

  • Page 14

    14 f a u l t f in d in g c h a r t p a rt 2 r e p la c e c o n tr o l p c b c a n y o u s e e t h e fl a m e o n t h e b u rn e r ? R e p la c e g a s s e c ti o n a s s e m b ly d o y o u f e e l a ir d ra w - in g i n a t th e a ir i n le t ? D o t h e g a s s o le n o ïd s e n e rg is e ? C h e c...

  • Page 15: Short List

    15 short list 110 electrode kit 1309624 . 401 gas valve (24 kw) 1307584 . Gas valve (30 kw) 1310129 . 407 fan assy 1307585 . 507 overheat thermostat 100°c 1010572 . 510 thermistor 1000733 . 532 water throttle 81471 . 560 air separator head assembly 1002653 . 572 pump up 15/50 230v 1010612 . 607 igni...

  • Page 16

    1 3 1 0 5 5 8 d - 1 2 /2 0 0 2 chaffoteaux & maury are continuously improving their products and therefore reserve the right to change specifications without prior notice and accepts no liability for any errors or omission in the information contained in this document. Manufacturer: chaffoteaux & ma...