Saunier Duval ISOFAST F 28 E Скачать руководство пользователя страница 28

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Diagram 14

SCHEMATIC WIRING DIAGRAM

M/A

h8.1

h8.2

h4.1

h4.3

h3.1

h1.1

h1.2

h2.4

h2.2
h2.3

h2.5

h5.2

h5.3

h5.1

B28

B27

ACF

Flam

B41

B42

B43

B44

INTERFACE

b55

b54

b52

b51

CTN 1

CTN 2

CTN 3

B13

B14

B16

B15

B25

B26

B110

B18

B211

B210

B29

Ramoneur

B82

B81

B24

B21

B22

GND

B115

B114

B113

B17

Vitesse
Extracteur
(option)

h2.1

B24

B34

B32

B31

B33

B35

B36

B73

B72

B71

H61
H6.2

B61
B63
B64
B62

h3.3

B12

B33

Opt.

V
3
V

COM

SAN

Sch 185a

Clock

Domestic flow sensor

System pressure sensor

Modulating coil

Room thermostat connection

Room thermostat

Ignition electrodes

Flame sense electrode

CTN1 -

Domestic thermistor

CTN2 -

Heating thermistor

CTN3 -

Storage cylinder thermistor

High limit thermostat

Air pressure switch

Fan

M/A

ON/OFF switch

Mains light

Pump

ACF

Gas valve module

Lighting demand

Safety light

Flam -

Flame sense contacts

MICROFAST® heating element

V3V

3 way-valve

Heating

COM -

common

SAN -

Domestic

INTERFACE -

User display

Remote control (if fitted)

Outside sensor (if fitted)

Содержание ISOFAST F 28 E

Страница 1: ...1 Heating and hot water for the professionals ISOFAST THIS IS A CAT I2E APPLIANCE 01773 828100 IN WARRANTY TECHNICAL HELPLINE 01773 828400 221599A 05 99 ...

Страница 2: ...9 Piping system installation 9 Boiler location 10 Boiler installation 11 Flue installation 11 12 Electrical installation 13 Commissioning 14 17 Safety devices 17 18 Settings 19 USERS SECTION Mandatory warning for CEE countries Warning This appliance is designed approved and inspected to meet the requirements of the English market The identification plate located on the inside of the appliance cert...

Страница 3: ... including ver tical flues twin pipe flues bends etc For further information contact your supplier Substances Hazardous to Health The adhesives and sealants used in this appliance are cured and give no known hazard in this state INSULATION PADS CERAMIC FIBRE GLASSYARN MINERAL WOOL These can cause irritation to skin eyes and the respiratory tract If you have a history skin complaint you may be susc...

Страница 4: ...supply l The gas service cock is open Then follow the instructions below Press the On Off button 1 Hab 264 1 I O 1 5 bar mode 0 1 1 2 3 4 5 6 7 8 9 1 0 1 1 12 13 14 1 5 1 6 1 7 18 19 20 2 1 2 2 23 24 1 The pressure must be between 1 and 2 bar If not the system must be filled by a competent person Setting to the SUMMER position Hot water only Setting to the WINTER position Heating hot water 2 Press...

Страница 5: ...et by the tappets Middle position Heating Off continuously Lower position Heating On continuously Reg 050 DRAINING Protection against freezing If the boiler is to be out of use for any long periods during severe weather conditions it is recom mended that the whole system including the boiler be drained to avoid the risk of freezing If in doubt consult your servicing company The ISOFAST has a built...

Страница 6: ...turn Open 1 2 turn Open 1 turn Open 2 turns Available pressure kPa between heating supply and return lines Pump 35 kW Ø Burner injector mm 1 20 1 20 Inlet pressure mbar 20 20 Burner pressure mbar 13 8 14 1 Gas rate maximum m3 h 3 20 3 98 Gas rate minimum m3 h 1 32 1 48 Heating ISOFAST F 28 E ISOFAST F 35 E Hot water output automatically variable from kW 10 4 11 7 to kW 27 6 34 6 from BTU H 35 485 ...

Страница 7: ...iping system shall be routed so as to avoid any air pockets and facilitate permanent venting of the installation Bleed fittings must be provided at every high point of the system and on all radia tors l The total volume of water permitted for the heat ing system depends amongst other things on the static head in the cold condition The expansion vessel on the boiler is pressurised at 0 5 bar corre ...

Страница 8: ...ld water supply to the boiler Shy 120 Diagram 6 BOILER SCHEMATIC 1 Domestic thermistor 2 Three way valve 3 Gas valve 4 Gas valve ignition module 5 Heating element 6 Micro accumulation vessel 7 Burner 8 Ignition electrode 9 Combustion chamber 10 Micro accumulation vessel thermistor 11 Main heat exchanger 12 Air pressure switch 13 Heating safety valve 3 bar 14 Electronic control PCB 15 Domestic wate...

Страница 9: ...any type of public access area Connect the safety valve discharge pipe to the outlets of both the heating safety valve and the hot water safety valve the discharge must be ex tended using not less than 15 m o d pipe to dis charge in a visible position outside the building fac ing downward preferably over a drain The pipe must have a continuous fall and be routed to a position so that any discharge...

Страница 10: ...internal access only use a 125 mm diameter core drill Important When cutting the flue hole and when extending the flue centre line to a side wall remember that the flue system must have a fall of about 35 mm per metre of flue DOWNWARD towards the termi BOILER LOCATION Diagram 9 nal There must NEVER be a downward incline to wards the boiler Terminal position The minimum acceptable spacings from the...

Страница 11: ...ler and subtract 235 to get dimension a mm l Refer to table 2 for cutting lengths of both inner and outer flue pipes for each of the various flue options available Important All flue cutting lengths must be meas ured from the terminal end of the flue pipes see diagram 12 When the dimension X measured on site is greater than that given in table 2 a flue extension kit will be required refer to table...

Страница 12: ...r the outer flue l For flue systems less than 1 5 m long leave the restrictor a fitted in the fan outlet see diagram 15 l Remove the backing from the self adhesive gas The standard flue kit 85090 see diag 13 comprises External rubber sealing collar A Outer pipe B Plastic flange C Inner pipe D 2 O rings E Elbow F Clamp and seal G Gasket H Four screws I ket H and carefully fit gasket to base of flue...

Страница 13: ...he mains supply with a time switch or programmer WARNING ON NO ACCOUNT MUST ANY EXTER NAL VOLTAGE BE APPLIED TO ANY OF THE TER MINALS ON THE HEATING CONTROLS CONNEC TION PLUG Warning This appliance must be wired in accordance with these instructions Any fault arising from incor rect wiring cannot be put right under the terms of the Saunier Duval guarantee External controls The ISOFAST boiler is de...

Страница 14: ... recommended that any air is purged from the supply at the gas inlet test point on the gas valve see diagram 18 Filling the system 4 t I O mode 0 1 1 2 3 4 5 6 7 8 9 1 0 1 1 12 13 14 1 5 1 6 1 7 18 19 20 2 1 2 2 23 24 0 0 bar The display will indicate 0 bar pressure in the system The warning light will illuminate Hab 265 1 Press the mains On Off button 1 1 5 bar mod The pressure must be between 1 ...

Страница 15: ...O 1 5 bar mode 0 1 1 2 3 4 5 6 7 8 9 1 0 1 1 12 13 14 1 5 1 6 1 7 18 19 20 2 1 2 2 23 24 The pressure must be between 1 and 2 bar Hab 265 8 5 7 6 Bleed each radiator to re move the air re tighten bleed screws Open various hot water taps to bleed system Leave the cap on the pump auto air vent open Reg 008 Ins 061 Ins 062 ...

Страница 16: ...ximum temperature of the heating 38 C to 87 C Visual indication of set temperature Lighting the boiler Press the mode button to select the winter symbol 1 3 2 l Adjust heating temperature to maximum l Check that any external controls if fitted are calling for heat set room thermostat to maximum l Allow the temperature to rise to the maximum value with all radiator valves open The tempera ture rise...

Страница 17: ...0 22 75 060 24 81 890 26 88 710 28 95 540 Setting the maximum heating temperature The maximum heating temperature can be preset at commissioning stage to suit the type of heating system For example for use with underfloor heating the maximum heating temperature can be set to 53 C To adjust the maximum temperature proceed as follows l Remove the blanking plug b from the rear of the control panel to...

Страница 18: ...ystem of the boiler will turn the boiler OFF and the fan will continue to run The boiler will be ready to operate when the fault has been cleared Overheat safety In case of boiler overheating the overheat thermostat will turn the boiler off The thermostat located on the heat exchanger flow pipe will need to be manually re set In case of power supply failure The boiler no longer operates As soon as...

Страница 19: ...modulating gas valve coil l Remove the protective cover from the gas valve adjuster l Turn nut B see diagram 23 CLOCKWISE To increase the pressure ANTICLOCKWISE To decrease the pressure After adjustment refit the cover to the gas valve adjuster Bypass The ISOFAST has a built in bypass This must be ad justed according to the requirements of the system refer to the flow rate pressure curve diagram 4...

Страница 20: ...s and unscrew two screws se curing combustion chamber cover to combustion cham ber see diagram 2 Remove combustion chamber cover from boiler Undo but do not remove two burner support screws at rear of burner chamber Burner Undo main gas supply nut from burner Pull off the ignition and flame sense leads from the gas valve remove burner from boiler by lifting up and pull ing forwards from keyhole sl...

Страница 21: ...econnect flue making sure that all joints are prop erly connected Drain down hot water circuit of boiler only as fol lows Close isolating valve throttle m on cold water iso lating cock see diagram 3 Note This valve is closed when screwed fully clock wise Open one or more hot water taps to drain boiler cir cuit Undo connecting nut from cold water inlet connec tion Clean and inspect filter replace i...

Страница 22: ...iler and re check all joints for soundness To replace fan Remove fan as described in Routine Cleaning and Inspection Fit replacement fan in reverse order to removal Reconnect electrical leads To replace air pressure switch Locate air pressure switch situated inside sealed chamber on top right hand side Remove air pressure switch tube from sensing probe on flue hood Disconnect air pressure switch e...

Страница 23: ...alve head Pull out slotted metal clip from valve body and re move valve head from body Fit replacement valve head in reverse order to re moval Note 1 When refiting clip ensure that letters OK are as shown in diagram 6 2 It is not necessary to drain boiler to carry out this work To replace 3 way valve bypass housing Drain down heating and hot water circuit of boiler only as described previously Not...

Страница 24: ...diagram 9 Undo two screws securing modulating coil to gas valve and remove coil Fit replacement coil in reverse order to removal Refit electrical connections in reverse order to re moval the polarity of the wires to the modulating coil is not important Diagram 9 To replace central heating safety valve If safety valve seating is damaged it will be necessary to replace safety valve as a complete uni...

Страница 25: ...he same as that given in Technical Data for the type of gas being used Reassemble burner and fit into boiler in reverse or der to removal To replace ignition electrode Remove burner as described in Routine Cleaning and Inspection Undo and remove screw securing electrode onto burner Fit replacement electrode onto burner in reverse or der to removal Refit burner into boiler in reverse order to remov...

Страница 26: ...r pressure switch 13 Heating safety valve 3 bar 14 Electronic control PCB 15 Domestic water flow sensor 16 Bypass 17 Domestic heat exchanger 18 Pump 19 Expansion vessel 20 Heating thermistor 21 Overheat safety thermostat 22 Flame sense electrode 23 Fan 24 Storage vessel safety valve 8 bar 25 System pressure sensor A Heating return B Cold water inlet C Heating flow D Domestic hot water outlet E Gas...

Страница 27: ... turn Open 1 2 turn Open 1 turn Open 2 turns Available pressure kPa between heating supply and return lines Pump 35 kW Ø Burner injector mm 1 20 1 20 Inlet pressure mbar 20 20 Burner pressure mbar 13 8 14 1 Gas rate maximum m3 h 3 20 3 98 Gas rate minimum m3 h 1 32 1 48 Heating ISOFAST F 28 E ISOFAST F 35 E Hot water output automatically variable from kW 10 4 11 7 to kW 27 6 34 6 from BTU H 35 485...

Страница 28: ...6 2 B61 B63 B64 B62 Ex h3 3 B12 B33 P Pr Opt V 3 V CH COM SAN Sch 185a HL Clock Db Domestic flow sensor Cp System pressure sensor V1 Modulating coil J1 Room thermostat connection TA Room thermostat FA Ignition electrodes FL Flame sense electrode CTN1 Domestic thermistor CTN2 Heating thermistor CTN3 Storage cylinder thermistor K4 High limit thermostat Pr Air pressure switch Ex Fan M A ON OFF switch...

Страница 29: ...at area To carry out the electrical test gain access to the main Printed Circuit Board PCB as described previously and measure the voltages according to table 1 The ISOFAST has an on board fault diagnostic system Should a fault occur on the boiler the warning LED at the top of the user display will illuminate and the LCD display will indicate the precise area where the fault has occured Table 1 Vo...

Страница 30: ...06 Central heating thermistor wiring fault 07 Domestic hot water thermistor wiring fault 08 Storage vessel thermistor wiring fault 09 System pressure sensor fault 10 Fan fault 11 Pump blockage 12 User interface fault 13 Main PCB fault 14 CTN2 97 C pump will run 15 Gas mechanism fault 20 Communication fault F F F F F F F F F F F F F F F F F F F F F F F F F F ...

Страница 31: ...n 93 Ω and 143 Ω SPARE PARTS When ordering spare parts quote the part number and description stating the appliance model number and serial number from the data badge Short parts list No Description Part No 1 Domestic hot water thermistor 57213 2 Central heating thermistor 57215 3 Storage vessel thermistor 57250 4 Fan 57238 5 Air pressure switch 57237 6 Domestic water flow sensor 57202 7 Printed ci...

Страница 32: ...32 ...

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