Biasi ANTARES 30S Service Manual
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Biasi ANTARES 30S Service Manual

Biasi ANTARES 30S Service Manual

Wall hung, fanflue, roomsealed, high efficiency gas boiler
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Wall hung, fanflue, roomsealed, high efficiency gas boiler
Service manual
ANTARES
Product name
ANTARES 30S
Leave this manual adjacent to the gas meter
Warning:
Service / repairs must be carried out, only by a qualified Gas Safe Registered
Engineer, who will be responsible for the current Regulations for gas
appliances.
Note:
After servicing, complete the relevant Service Interval Record section of the
Benchmark Checklist of the user and installation manual.
Models
M300V.30 SR
G.C. Appl. No.
41-583-41

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  • Page 1 Wall hung, fanflue, roomsealed, high efficiency gas boiler Service manual ANTARES Product name Models G.C. Appl. No. ANTARES 30S M300V.30 SR 41-583-41 Leave this manual adjacent to the gas meter Warning: Service / repairs must be carried out, only by a qualified Gas Safe Registered Engineer, who will be responsible for the current Regulations for gas appliances.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1 OVERALL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . .4 10 PRIMARY CIRCUIT PRESSURE SWITCH .

  • Page 4: Overall Information

    OVERALL INFORMATION OVERALL INFORMATION 1 .1 Overall View Flue temperature probe NTC and Safety thermal fuse Condensing heat exchanger Expansion vessel Burner Ighition/Detection electrode NTC heating delivery probe - NTC maximum temperature C.H. temperature Air/gas mixer return probe NTC C.H. pressure relief valve Condensate trap...

  • Page 5: General Access And Emptying Hydraulic

    GENERAL ACCESS AND EMPTYING HYDRAULIC CIRCUITS GENERAL ACCESS AND EMPTYING Pull the lower part of the front panel and lift it upwards (Figure HYDRAULIC CIRCUITS 2.3). 2 .1 Nomenclature Figure 2 .3 To remove the side panels loosen the screws "7" (Figure 2.2) and "8"...

  • Page 6: General Access And Emptying Hydraulic Circuits

    GENERAL ACCESS AND EMPTYING HYDRAULIC CIRCUITS 2 .4 Main electronic p .c .b . box Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- nent . Terminal block lid removal To gain access to the parts located inside the control panel pro- ceed as follows: 1 Remove the front panel of the case.

  • Page 7: Emptying The Primary Circuit

    GENERAL ACCESS AND EMPTYING HYDRAULIC CIRCUITS 2 .5 Emptying the primary circuit 1 Close the C.H. circuit flow and return cocks "18" (Figure 2.10). Figure 2 .10 2 Remove the front and right panels of the boiler. 3 Loosen the central heating drain cock "19" (Figure 2.11) until the boiler is completely emptied.

  • Page 8: Diagrams

    DIAGRAMS DIAGRAMS 3 .1 Wiring diagram M300V SR C.h. temperature probe NTC Electric supply Pump C.h. temperature Flue temp. flow probe NTC probe NTC Safety return thermostat thermal fuse Primary circuit pressure transducer Gas valve External temp. probe Remote terminal block Ignition Flame detection electrode...

  • Page 9: Circuit Voltages

    DIAGRAMS 3 .2 Circuit voltages Electrical voltages or frequency only during C.H. operation with burner on Safety Main circuit Supply network Pump thermostat pressure switch Gas valve Figure 3 .2 - 9 -...

  • Page 10: Fault Finding

    FAULT FINDING FAULT FINDING - 10 -...
  • Page 11 FAULT FINDING - 11 -...
  • Page 12 FAULT FINDING - 12 -...

  • Page 13: Display Diagnostic

    FAULT FINDING 4 .1 Display diagnostic FUNCTION The display indications provide help in the diagnosis of fault find- System fails to control combustion and exits ing. 65 + modulator control parameters. The control panel display gives other information for the user. 68 + The following table gives fault code, error and the reason for the Probable low gas pressure.

  • Page 14: Displaying In Info Mode

    FAULT FINDING malfunction, provide this information to the service centre so that 6 Press key "D" (Figure 4.1) again to highlight the value to be they can identify the cause. changed. 7 Press key "F" or "G" (Figure 4.1) to select the alarm history index (Figure 4.6).

  • Page 15: Accessing The "Service" Menu (Installer)

    FAULT FINDING 1 Press key "D" (Figure 4.11) to access the main menu (Figure Information 4.12). Gas type Menu Delivery temperature °C Clock and programmes [...] DHW temperature °C Information [...] Set heating °C Fault history [...] Set DHW °C General settings [...] Outdoor temperature...

  • Page 16: Programming The Maintenance Period

    FAULT FINDING "Service" level or key "E" to exit (return to previous level). changed. Maintenance "Service" level remains active while browsing the menus and for 4 more minutes after returning to the Select number of months main screen . If the appliance is switched off and back on, the menu automatically returns to User level .

  • Page 17: Condensing Heat Exchanger

    CONDENSING HEAT EXCHANGER CONDENSING HEAT EXCHANGER 5 .1 Function The Condensing heat exchanger "1" in Figure 5.1 has the func- tion of transferring heat produced from combustion of the gas and from the flue exhausted gas to the water circulating in it. Figure 5 .1 By reducing the combustion products temperature, the latent heat of the vapour is transferred to the water circuit, allowing an...

  • Page 18: Cleaning

    CONDENSING HEAT EXCHANGER 5 .3 Cleaning If there are deposits of dirt on the coil of the Condensing heat exchanger, clean with a bristle paintbrush and remove the dust with a hoover. Warning: After cleaning or replacement as detailed above, it is deemed necessary to undertake a com- bustion analysis as detailed in chapter "9 .3 Adjust- ment - Chimney Sweep Function"...

  • Page 19: Pump

    PUMP PUMP 6 .2 Removal pump head 6 .1 Function Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- The pump "1" in Figure 6.1 and Figure 6.2 has the function of nent . making the water in the main circuit circulate through the main condensing heat exchanger and therefore through the C.H.

  • Page 20: Main Electronic Control/Ignition P.c.b

    MAIN ELECTRONIC CONTROL/IGNITION P.C.B. MAIN ELECTRONIC CONTROL/IGNITION let information coming from the boiler (the sensors) or from the P .C .B . outside (printed circuit board p.c.b., room thermostat, etc.), pro- cesses it and consequently acts with outlet commands on other components of the boiler (Figure 7.1).

  • Page 21: Checking The Temperature

    MAIN ELECTRONIC CONTROL/IGNITION P.C.B. 1 Connector - electric supply p.c.b. The control sequences in function are illustrated in detail in sections "7.9 Thermal control in the mode" on page 26. 2 Fuse F1 3,15 AF 3 Connector - pump 4 Connector - controller fan, flue temperature probe NTC, safe- 7 .4 Setting the boiler control function modes ty thermostat and C.H.

  • Page 22: Checks

    MAIN ELECTRONIC CONTROL/IGNITION P.C.B. ure 7.11). General settings 1.0bar Language °C °C Display [...] Access level [...] Thursday 30/11/2023 - 20:30 User factory settings [...] Service factory settings [...] Figure 7 .11 Figure 7 .6 7 Press key "D" (Figure 7.6) to access the selected menu (Fig- 1 Press key "D"...
  • Page 23 MAIN ELECTRONIC CONTROL/IGNITION P.C.B. 2 Gain access to the parts located inside the Main electronic p.c.b. box as explained in the section "2.4 Main electronic p.c.b. box" on page 6 of this manual. 3 Unscrew the screws "1" (Figure 7.13). 4 Delicately flex the hooks "2"...

  • Page 24: Parameters Setting

    MAIN ELECTRONIC CONTROL/IGNITION P.C.B. 7 .8 Parameters setting PARAMETER MENU ITEM MODEL VALUE ANTARES 30S Menu > Assistance > Boiler > Combustion > Model (M300V.30 SR) NG (CH4) Menu > Assistance > Boiler > Combustion > Gas type LG (G31) Menu >...
  • Page 25 Menu > Assistance > Boiler > Combustion > Fan rpm max 6800 rpm Menu > Assistance > Boiler > Combustion > Fan rpm min 1000 rpm ANTARES 30S Menu > Assistance > Boiler > Combustion > Fan rpm acc. 3300 rpm (M300V.30 SR) Menu >...

  • Page 26: Thermal Control In The

    MAIN ELECTRONIC CONTROL/IGNITION P.C.B. 7 .9 Thermal control in the mode Switch in the function mode See functioning with the function Taking Request for heat from water from the domestic hot control in the mode room thermostat? water circuit? (sec. 9.7) circulator off fan still circulator on...

  • Page 27: Control Panel Electronic P.c.b

    CONTROL PANEL ELECTRONIC P.C.B. CONTROL PANEL ELECTRONIC P .C .B . SIGNAL DISPLAYED BY THE LCD FUNCTION 8 .1 Function Safety lockout due to failed ignition. Lockout due to safety thermostat. 1.0bar Generic lockout. °C °C Pump circulation failure, insufficient system Thursday 30/11/2023 - 20:30 pressure or pressure above 3 bar, water pressure sensor not connected.
  • Page 28 CONTROL PANEL ELECTRONIC P.C.B. FUNCTION FUNCTION Fault of cumulative gas valve timeout with- 1.3bar out flame. 44 + °C °C °C Heating water low pressure fault, pressure Boiler with central heating power request below minimum. with connected remote. Sunday 26/11/2023 - 14:07 50 + OT communication fault.

  • Page 29: Gas Valve

    GAS VALVE GAS VALVE Warning: risk of electrocution . The boiler is live during the operations described in this section . 9 .1 Function Never touch any electrical parts . The gas valve "1" in Figure 9.1 controls the gas inflow to the boiler burner.
  • Page 30 Model ANTARES Type gas % value (range) Assistance [...] Natural (G20) 8,5 - 9,5 Figure 9 .6 ANTARES 30S Propane (G31) 9,5 - 10,5 16 Press button "D" (Figure 9.4) to access the selected menu (Figure 9.7). Check maximum burner pressure Assistance 4 = DHW maximum output 25 Allow the analyser to give a stable reading.

  • Page 31: Automatic Calibration Of The Gas Valve

    GAS VALVE 9 .4 Automatic calibration of the gas valve 7 Press button "A" or "B" (Figure 9.11 to select the desired menu from those available (Figure 9.15). When replacing the panel board, fan or gas valve, the gas valve must be calibrated in order to carry out CO calibration at maxi- 8 Press button "D"...

  • Page 32: Checks

    GAS VALVE 9 .5 Checks 6 Reassemble the valve carrying out the removal operations in reverse order. Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- nent . Warning: Be careful not to damage the OR gasket of the gas pipe when inserting the pipe in the air box Check the on-off operators coils (air/gas mixer) .

  • Page 33: Primary Circuit Pressure Switch

    PRIMARY CIRCUIT FLOW SWITCH 10 PRIMARY CIRCUIT PRESSURE SWITCH 10 .2 Removal Warning: isolate the boiler from the mains electrici- 10 .1 Function ty supply before removing any covering or compo- nent . The Primary circuit pressure switch ("1" in Figure 10.1) function is to check the presence of water in the primary hydraulic circuit 1 Remove the front and right hand side panels of the case, turn and that the pressure is above the minimum.

  • Page 34: Expansion Vessel And Pressure Gauge

    EXPANSION VESSEL AND PRESSURE GAUGE 11 EXPANSION VESSEL AND PRESSURE 11 .3 Removal of the expansion vessel GAUGE Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- 11 .1 Function nent . The Expansion vessel ("1" in Figure 11.1) function is to allow for 1 Remove the front and right hand side panels of the case, turn the volume expansion of the C.H.

  • Page 35: Ntc Heating Delivery Probe - Ntc Maximum

    TEMPERATURE PROBE 12 NTC HEATING DELIVERY PROBE - NTC 12 .2 Checks MAXIMUM TEMPERATURE, C .H . TEM- Temperature-resistance relationship PERATURE RETURN PROBE NTC Warning: isolate the boiler from the mains electrici- 12 .1 Function ty supply before removing any covering or compo- The NTC probe has the function of converting the temperature nent .
  • Page 36 TEMPERATURE PROBE Figure 12 .4 - 36 -...

  • Page 37: By-Pass Valve

    BY-PASS VALVE 13 BY-PASS VALVE 4 Reassemble the by-pass valve as illustrated in Figure 13.2 reversing the order of removal. 13 .1 Function The By-pass valve "1" in Figure 13.1 is located between the C.H. Warning: to lubricate the O-ring gaskets exclusively water flow and return and its function is that of guaranteeing a use a silicone base grease compatible to be in con- minimum flow across the primary heat exchanger if the circula-...

  • Page 38: Fan And Air Box

    FAN AND AIR BOX 14 FAN AND AIR BOX 14 .1 Function The function of the Fan "1" (Figure 14.1) is to force the mixture of air and gas into the burner. The function of the Air box "2" is to mix the gas and the air in the right proportion.

  • Page 39: Ignition / Detection Electrode And Burner

    IGNITION AND DETECTION ELECTRODES 15 IGNITION / DETECTION ELECTRODE 15 .2 Removal of the ignition / detection elec- AND BURNER trode Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- Electrodes disclaimer . nent .

  • Page 40: Removal Of The Rear Insulation

    IGNITION AND DETECTION ELECTRODES 3 Unscrew the nuts "5" (Figure 15.1) and remove the cover of the combustion chamber. 4 Remove the front insulation panel (see section "15.3 Remov- al of the front insulation panel" on page 39). 5 Unscrew the screws "7" (Figure 15.4) and remove the burner. 6 Assemble the burner carrying out the removal operation in reverse order.
  • Page 41 IGNITION AND DETECTION ELECTRODES Warning: isolate the boiler from the mains electrici- ty supply before removing any covering or compo- nent . 1 Remove all the case panels and the sealed chamber lid. 2 Check for the integrity of the insulation of wires which con- nect the electrode.

  • Page 42: Flue Temperature Probe Ntc And Safety

    FLUE TEMPERATURE PROBE NTC AND SAFETY THERMAL FUSE 16 FLUE TEMPERATURE PROBE NTC AND placed. SAFETY THERMAL FUSE 16 .1 Function The Flue temperature probe NTC and Safety thermal fuse "1" in Figure 16.1 and Figure 16.2 senses the temperature of the combustion products that flow through the condensing heat ex- changer.
  • Page 43 FLUE TEMPERATURE PROBE NTC AND SAFETY THERMAL FUSE 12500 12000 11500 11000 10500 10000 9500 9000 8500 8000 7500 7000 6500 6000 5500 5000 4500 4000 3500 3000 2500 2000 1500 1000 °C 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Figure 16 .4 - 43 -...

  • Page 44: Condensate Trap

    CONDENSATE TRAP 17 CONDENSATE TRAP 17 .3 Removal Warning: isolate the boiler from the mains electrici- 17 .1 Function ty supply before removing any covering or compo- nent . The condensate trap "1" in Figure 17.1 and Figure 17.2 allows the discharge of the condensate via the condensate drain pipe 1 Remove the front and right case panels.

  • Page 45: Short Spare Parts List

    SHORT SPARE PARTS LIST 18 SHORT SPARE PARTS LIST G .C . part no . Description Q .ty Manufacturer part no . Burner (mod. M300V.30 SR) BI1713 101 Expansion vessel BI2262 108 Condensing heat exchanger (mod. M300V.30 SR) BI2112 100 BI1713 102 Gas valve BI1713 112...
  • Page 46 NOTE - 46 -...
  • Page 48 *1796239540* 17962.3954.0 4124 48A4 Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...

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M300v.30 sr

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