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Potterton SIRIUS FS 50-70, Installation, Operation And Maintenance Manual, Page: 23 / 40

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Potterton SIRIUS FS 50-70 Installation, Operation And Maintenance Manual Download Page 23

23

7115344.01 - en

INSTRUCTIONS PERTAINING TO THE INSTALLER

12. MAKING THE ELECTRICAL CONNECTIONS

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-

dards and regulations.

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correctly connected.
Use a double-pole switch with a contact separation of at least 3mm in both poles.

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 cable with an 8mm diameter 

maximum outer sheath.

IMPORTANT: Check that the overall current drawn by accessories connected to the appliance is less 
than 2 amp. If the value is greater, a relay must be wired between the boiler control circuit board and 
the accessories drawing the higher current.

12.1 TERMINAL BLOCKS ACCESS

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Main terminal block M1

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check and/or replace the fuse.

Terminal block M2

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Terminal block M3

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Figure 10

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Terminal Block 

M1

Terminal Block 

M2

Cover

Cover

Facia panel

Summary of Contents for SIRIUS FS 50-70

Page 1: ...0085 en ie SIRIUS FS 50 70 FLOOR STANDING CONDENSING GAS BOILERS INSTALLATION OPERATION AND MAINTENANCE MANUAL ...

Page 2: ...y Directive 92 42 EEC Electromagnetic Compatibility Directive 2004 108 EC Low Voltage Directive 2006 95 EC Our company constantly striving to improve the products reserves the right to modify the details given in this documentation at any time and without notice These Instructions are only meant to provide consumers with use information and under no circumstance should they be construed as a contr...

Page 3: ... 10 Boiler installation and dimensions 14 KLPQH ÁXH FRQQHFWLRQ 12 Connecting the mains supply 23 13 Adjusting the gas valves and gas change 30 14 Setting the boiler parameters 32 15 Control and operation devices 34 3RVLWLRQLQJ RI WKH LJQLWLRQ DQG ÁDPH VHQVLQJ HOHFWURGH 17 Check of combustion parameters 35 18 Activating the chimney sweep function 36 19 Annual service 36 20 Thermal fuse replacement ...

Page 4: ...FXWWLQJ VZDUI VROGHU DQG VROYHQWV LI DQ XVLQJ VXLWDEOH SURSULHWDU SURGXFWV 7R DYRLG GDPDJLQJ PHWDO SODVWLF DQG UXEEHU SDUWV XVH RQO QHXWUDO FOHDQHUV L H QRQ DFLG DQG QRQ alkaline The recommended products for cleaning are 6 17 1 RU DQG 512 KHDWLQJ FLUFXLW UHVWRUH 7KH XVH RI WKLV SURGXFW PXVW EH VWULFWO in accordance with the maker s directions Finally the system must be dosed with a suitable inhibi...

Page 5: ...e present on 2XWGRRU WHPSHUDWXUH Standby off 2SHUDWLRQ LQ PDQXDO PRGH DW PLQLPXP WHP perature 2SHUDWLRQ LQ PDQXDO PRGH DW WKH PD LPXP temperature set 2SHUDWLRQ LQ DXWRPDWLF PRGH 2SHUDWLRQ LQ FHQWUDO KHDWLQJ PRGH 2SHUDWLRQ LQ GRPHVWLF KRW ZDWHU PRGH 020503_1100 Figure 1 IMPORTANT Domestic Hot Water D H W instructions discribed here are to be taken into account only if the boiler is connected to a D...

Page 6: ...R LQ SRLQW DXOWV DQG UHVHWWLQJ WKH ERLOHUµ WKH ERLOHU FDQ be restarted by pressing this key for at least two seconds see 3 8 I WKLV NH LV SUHVVHG ZLWK QR IDXOW SUHVHQW WKH GLVSOD ZLOO VKRZ WKH PHVVDJH µ DQG WKH VDPH NH has to be pressed again for at least two seconds to restart the boiler 9 Data key This key can be pressed repeatedly to display the following information Temperature C of the domest...

Page 7: ...UH WR VHW WKH FHQWUDO KHDWLQJ ZDWHU WHPSHUDWXUH Press the NH V WR VHW WKH WHPSHUDWXUH UHTXLUHG Press either of the NH V RU ÀJXUH WR VDYH DQG UHWXUQ WR WKH PDLQ PHQX N B LWK WKH RXWGRRU VHQVRU FRQQHFWHG WKH NH ÀJXUH FDQ EH XVHG WR VKLIW WKH FHQWUDO KHDWLQJ FXUYH Press the keys to decrease or increase the room temperature in the premises to be heated 3 3 SETTING THE MAXIMUM CENTRAL HEATING TEMPERATU...

Page 8: ... domestic hot water mode operation DFWRU VHWWLQJ RI IXQFWLRQ LV HQDEOH 21 ZKLOH LV GLVDEOHG GDLO WLPHV SURJUDP 7R HQDEOH D H W daily times program see section 14 parameter H91 Setting the daily times for domestic hot water mode operation Carry out the operations described in section 3 5 1 for program lines 31 to 36 3 6 SETTING THE MINIMUM CENTRAL HEATING TEMPERATURE Press either of the NH V WR DFF...

Page 9: ...g QG RI WKLUG GDLO SHULRG RI DXWRPDWLF FHQWUDO KHDWLQJ 6WDUW RI ÀUVW GDLO SHULRG RI GRPHVWLF KRW ZDWHU SURGXFWLRQ QG RI ÀUVW GDLO SHULRG RI GRPHVWLF KRW ZDWHU SURGXFWLRQ Start of second daily period of domestic hot water production QG RI VHFRQG GDLO SHULRG RI GRPHVWLF KRW ZDWHU SURGXFWLRQ Start of third daily period of domestic hot water production LQH QG RI WKLUG GDLO SHULRG RI GRPHVWLF KRW ZDWHU...

Page 10: ...l Figure 4 7R UHVHW SUHVV WKH UHVHW button for at least two seconds 020503_0500 Figure 4 020503_0600 Figure 4 1 DXOW ZDUQLQJV DSSHDU RQ WKH VHFRQGDU GLVSOD ÀJXUH b DOWHUQDWLQJ ZLWK WKH WLPH ERWK RI WKHP ÁDVKLQJ ÀJXUH W LV QRW SRVVLEOH WR UHVHW PDOIXQFWLRQ ZDUQLQJV ZKLFK DSSHDU RQ WKH VHFRQGDU GLVSOD DV WKH FDXVH RI WKH DODUP KDV ÀUVW WR EH UHPRYHG 3 8 FAULT WARNINGS AND RESETTING THE BOILER ...

Page 11: ...LW RI LJQLWLRQ HOHFWURGHV LRQLVDWLRQ FXUUHQW If V PERO LV GLVSOD HG SUHVV WKH UHVHW button otherwise switch off the HOHFWULFLW VXSSO WR WKH ERLOHU IRU DW OHDVW VHFRQGV LI WKH IDXOW SHUVLVWV FDOO WKH authorised service centre KHFN WKH SRVLWLRQLQJ RI WKH LJQLWLRQ DQG ÁDPH VHQVLQJ HOHFWURGH VHH VHFWLRQ Press the key again about 2 seconds Press and hold reset button 2 seconds approx then press again w...

Page 12: ...g inhibitors The electronic management of the boilers includes a frost protection function in the central heating system ZKLFK RSHUDWHV WKH EXUQHU WR UHDFK D KHDWLQJ ÁRZ WHPSHUDWXUH RI ZKHQ WKH V VWHP KHDWLQJ ÁRZ WHPSH rature drops below 5 C The frost protection function is enabled if HOHFWULFDO VXSSO WR WKH ERLOHU LV RQ WKH JDV VHUYLFH FRFN LV RSHQ WKH V VWHP SUHVVXUH LV DV UHTXLUHG the boiler is...

Page 13: ...VVHG WR 6HUYLFH QJLQHHUV WR KHOS WKHP FDUU RXW D IDXOWOHVV installation Instructions regarding lighting and operation of the boiler are contained in the Instructions pertai ning to the user section 1RWH WKDW LQVWDOODWLRQ PDLQWHQDQFH DQG RSHUDWLRQ RI WKH JDV DSSOLDQFHV PXVW EH SHUIRUPHG H FOXVLYHO E TXDOLÀHG SHUVRQQHO LQ FRPSOLDQFH ZLWK FXUUHQW VWDQGDUGV Please note the following QVWDOO WKH ERLOHU ...

Page 14: ...UDQW REVHUYH WKH IROORZLQJ precautions 1 Heating circuit 1 1 New system HIRUH SURFHHGLQJ ZLWK LQVWDOODWLRQ RI WKH ERLOHU WKH V VWHP PXVW EH FOHDQHG DQG ÁXVKHG RXW WKRURXJKO WR HOLPLQDWH UHVLGXDO WKUHDG FXWWLQJ VZDUI VROGHU DQG VROYHQWV LI DQ XVLQJ VXLWDEOH SURSULHWDU SURGXFWV 7R DYRLG GDPDJLQJ PHWDO SODVWLF DQG UXEEHU SDUWV XVH RQO QHXWUDO FOHDQHUV L H QRQ DFLG DQG QRQ alkaline The recommended pro...

Page 15: ...itting Fitting Water contents mm mm mm ÀWWLQJ F R l A CH CH FS 50 621 850 450 G 3 4 G 1 G 1 5 1 FS 70 693 850 450 G 3 4 G 1 G 1 6 5 05 KHDWLQJ ÁRZ RR heating return GAS gas inlet to the boiler SC condensate drain Insert the flue gas union and fasten the connector to the flue gas thermo stat CT_0804 0906_3005 ...

Page 16: ...ied with the boiler P1 Heating Pump PDHW Hot Water Pump PLP Primary Pump Available Optional Extra Pumps Hot Water Cylinder Low Loss Header Non return valve Not supplied Installer Wiring Applications pumps sensor remote control have to be connected to terminal as follows see also section 12 WITH QAA73 WITH REMOTE CONTROL ROOM THERMOSTAT APPLICATION TERMINAL BOARD TERMINAL BOARD PRIMARY PUMP PLP M1 ...

Page 17: ...l QAA73 including hot water tank with primary loop Applications and Installation Details TS Tank Sensor QAZ36 B3 Room Control Module QAA73 B1 Room Thermostat B9 Outdoor Temp Sensor QAC34 supplied with the boiler AGU2 500 Zone controller Clip in AGU2 500 FS Flow Sensor QAD36 supplied with the AGU2 500 P1 CTC Heating Pump P DHW Hot Water pump PLP Primary Pump 3WV 3 Way Valve power open power close P...

Page 18: ... AGU 2 500 Parameter changes requires see also section 14 PCB PARAMETER Description Setting Parameter H552 Hydraulic system H552 50 RQÀJ 6 RQÀJ XVJDQJ H632 WANFO Q8 00001111 10 3 HYDRAULIC SYSTEM 3 Cascade with pumped heating circuits Room Thermostats primary loop Applications and Installation Details RT Room Thermostat B9 Outdoor Temperature Sensor QAC34 supplied with the boiler OCI 420 Cascade i...

Page 19: ...P1 RVA 47 ROOM THERMOSTAT RVA 47 FLOW RETURN SENSOR QAD 21 RVA 47 Parameter changes requires see also section 14 PCB PARAMETER Description Setting Parameter H552 Hydraulic system H552 80 RQÀJ 6 RQÀJ XVJDQJ H632 WANFO Q8 00001111 If DHW circuit is required then DHW pump and DHW sensor have to be connected to terminal of RVA 47 Cascade Controller For more details refer to the instruction provided wi...

Page 20: ... sec kPa Lit sec kPa Lit sec kPa Lit sec FS 50 50 0 97 32 0 71 25 0 53 10 0 35 FS 70 60 1 41 35 1 03 20 0 77 11 0 51 Boiler Hydraulic Resistance and Water Flow Rates 11 K ΔT 15 K ΔT 20 K ΔT 30 K ΔT FS 50 0 27 FS 70 0 33 Boiler Minimum Water Flow Rates Lit sec Exchangers pressure drop mH 2 O WATER FLOW RATE l h Graph 1 0712_0903 ...

Page 21: ... use a flue connection that can be disconnected for maintenance Important Horizontal flue sections must have a minimum slope of 3 towards the boiler Flue accessories made of plastic material for cascade or single installations are available 11 CHIMNEY FLUE CONNECTION CT_0810 0902_2703 Figure 7a 0712_0905 CT_0752 Max length of flue duct model HTE 45 30 m L Max length of flue duct model HTE 65 20 m L...

Page 22: ...d to introduce combustion air from outside the installation area and comprises a hose to be installed in the mixer body Please consult the instructions supplied with the kit For air ducts diameter and length see the kit manual 11 2 CONNECTOR WITH C53 TYPE CT_0813 0903_0601 ...

Page 23: ... appliance is less than 2 amp If the value is greater a relay must be wired between the boiler control circuit board and the accessories drawing the higher current 12 1 TERMINAL BLOCKS ACCESS VRODWH SRZHU WR WKH ERLOHU ZLWK WKH WZR SROH VZLWFK 5HPRYH WKH WRS IDFLD SDQHO FRYHU ZKLFK LV KHOG E PDJQHWV 8QVFUHZ WKH WZR VFUHZV KROGLQJ WKH IDFLD SDQHO LQ SODFH 6ZLQJ WKH IDFLD SDQHO IRUZDUGV Main termina...

Page 24: ...cations of the pump must be as follows 9 PD FRV q 0 8 If the specifications of the installed pump are different a relay must be wired between the boiler control circuit board and the pump It is advisable not to adopt any electrical connection other than those described Connect earth to earth strip Remove the resistor from terminals 9 10 of terminal strip M2 figure 12 and connect the hot water prio...

Page 25: ...25 7115344 01 en INSTRUCTIONS PERTAINING TO THE INSTALLER Figure 12 external power input 0 10V 0602_0707 CG1764 0602_0708 CG1765 SAFETY CONTACT ROOM THERMOSTAT Figure 13 ...

Page 26: ...n to signal lamp 230 V 0 5 A max for lockout alarm Terminals 5 6 L N OUT connection to signal lamp 230 V 0 5 A max for run mode Terminals X51 1 2 connection to external power input 0 10 V pin 1 positive power input pin 2 negative power input For low voltage signal lamp remove the internal wiring and feed with an external low voltage power supply 12 4 DESCRIPTION OF THE ELECTRICAL CONNECTIONS TO TH...

Page 27: ...UDO KHDWLQJ FLUFXLW RI WKH RWKHU RQHV FDQ EH VHW GLUHFWO RQ WKH ERLOHU FRQWURO panel See the instructions provided with the QAA73 temperature regulator for the user parameter programming procedure QAA73 parameters which can be set by the installer service SUHVVLQJ WKH WZR 352 EXWWRQV WRJHWKHU IRU DW OHDVW WKUHH VHFRQGV LW LV SRVVLEOH WR DFFHVV WKH OLVW RI SDUD meters that the installer can display...

Page 28: ...erature Type of building 5RRP FRPSHQVDWLRQ FWLYDWLRQ GHDFWLYDWLRQ RI WKH LQÁXHQFH RI WKH URRP WHPSHUDWXUH I LW LV GHDFWLYDWHG WKH RXWGRRU WHPSHUDWXUH VHQVRU PXVW EH LQVWDOOHG Automatic adaptation of the temperature curve kt in relation to the room temperature 2SW 6WDUW 0D Maximum time the boiler is switched on ahead of the timed program to optimise the temperature in the premises 2SW 6WRS 0D Maxim...

Page 29: ...ral heating b With QAA73 room temperature regulator The temperature curve kt must be selected by setting parameter 70 HC1 curve of the QAA73 room tem perature control device as described in section 12 4 QAA73 parameters which can be set by the installation service engineer See graph 4 for selecting the curve referred to a room temperature of 20 C The curve is shifted automatically on the basis of ...

Page 30: ...TO THE INSTALLER 13 ADJUSTING THE GAS VALVES Figure 14 LEGEND Pi Gas supply pressure connection point P out Pressure connection point for measurement of the OFFSET 9 DV ÁRZ DGMXVWHU VFUHZ 2 6 7 DGMXVWHU VFUHZ 0712_0912 CT_0754 Mixer Gas valve ...

Page 31: ...RX DFKLHYH WKH 22 levels shown in table 2 1 for natural gas G20 and in table 2 2 for propane LPG 7XUQ WKH VFUHZ DQWL FORFNZLVH WR LQFUHDVH WKH 22 level 7XUQ WKH VFUHZ FORFNZLVH WR GHFUHDVH WKH 22 level 3UHVV WKH NH WR VHW WKH PLQLPXP KHDW RXWSXW ZLWK WKH GLVSOD VKRZLQJ ÀJXUH E Remove the protection cap and turn the adjuster screw K RQ WKH JDV YDOYH XQWLO RX DFKLHYH WKH 22 levels shown in table 2 7...

Page 32: ...utput 8 4 8 4 Parameters H536 H613 rpm at maximum power 6100 6400 Parameters H541 H610 pwm at maximum power 85 100 Parameter H612 rpm at minimum power 1700 1450 Parameter H609 pwm at minimum power 13 5 11 Parameter H611 rpm ignition load 2600 2500 Parameter H608 pwm ignition load 20 18 Gas consumption at 15 C 1013 mbar Gas G31 3P 37 mbar 50 70 PCI MJ kg 46 34 46 34 Consumption at max heat output k...

Page 33: ...urve of central heating circuit HC2 see Graph 2 PWM Setting Ignition load Speed setting rpm Ignition load PWM Setting minimum power PWM Setting maximum power Central heating Domestic hot water Speed setting rpm minimum power Speed setting rpm maximum power Central heating Domestic hot water Pump post circulation time in central heating mode min Burner operating pause time between two start ups s H...

Page 34: ...to the burner if the rear insulation yields and overheats the exchanger If this device cuts in dismount the exchanger and replace the thermal fuse see paragraph THERMAL FUSE REPLACEMENT OF HEAT EXCHANGER It is forbidden to disenable this safety device t MBNF JPOJ BUJPO EFUFDUPS The flame sensing electrode guarantees safety of operation in case of gas failure or incomplete interlighting of the main...

Page 35: ...entration DUERQ PRQR LGH 2 FRQFHQWUDWLRQ Measure the temperature of combustion air near the air inlet to the boiler The necessary hole must be made by WKH WHFKQLFLDQ UHVSRQVLEOH IRU WKH KHDWLQJ V VWHP ZKHQ WKH V VWHP LV ÀUVW VWDUWHG XS DQG PXVW WKHQ EH FORVHG WR HQVXUH WKDW WKH ÁXH UHPDLQV SURSHUO VHDOHG GXULQJ QRUPDO RSHUDWLRQ 17 CHECK OF COMBUSTION PARAMETERS Figure 17 Figure 16 16 POSITIONING O...

Page 36: ...LQJ HOHFWURGHV VHH VHFWLRQ KHFN RQ WKH FRQGLWLRQ RI WKH EXUQHU DQG LWV À LQJ WR WKH DOXPLQLXP ÁDQJH KHFN IRU DQ GLUW LQ WKH FRPEXVWLRQ FKDPEHU 8VH D YDFXXP FOHDQHU IRU WKLV FOHDQLQJ RSHUDWLRQ KHFN WKDW WKH JDV YDOYH LV FDOLEUDWHG FRUUHFWO VHH VHFWLRQ KHFN WKDW WKHUH LV QR GLUW LQ WKH VLSKRQ KHFN RQ WKH FHQWUDO KHDWLQJ V VWHP SUHVVXUH KHFN RQ WKH FHQWUDO KHDWLQJ H SDQVLRQ YHVVHO SUHVVXUH 18 ACTIVAT...

Page 37: ...ctrode ionisation probe 8 Burner 9 Ignition electrode 10 Mixer with venturi 11 Air gas diaphragm 21 BOILER SCHEMATIC 1311_2801 GAS RR MR 1 2 3 4 5 6 7 8 9 10 12 15 14 13 CT_0817 16 17 18 11 19 20 21 22 12 Fan OXH MRLQW 14 Automatic air vent 15 Hydraulic pressure sensor 16 Boiler drain point RLQW ÁXH ZLWK ÁXH WKHUPRVWDW 18 Flue thermostat 19 Gas pressure switch 20 Seat of air intake 21 Thermal fuse...

Page 38: ... EXCHANGER FLANGE THERMOSTAT FLAME SENSING ELECTRODE SPARK GENERATOR 1 2 3 4 5 6 7 8 9 10 N L a b a b MAIN INPUT TERMINAL BOARD FUSE y g b br bk br br y g b br br b b y g y g b br OCI 420 AGU 2 500 DISPLAY b br b br b b b b br r r b y g bk br y g y g b br 230V 50Hz DOMESTIC HOT WATER THANK SENSOR GAS VALVE HEATING SYSTEM PUMP CONNECTION POINTS 17 16 15 14 13 12 11 b br HOT WATER PUMP CONNECTION PO...

Page 39: ...XUH UDQJH Flue type B23 B23P C53 Flue duct diameter mm 80 80 0D ÁXH PDVV ÁRZ UDWH NJ V 0LQ ÁXH PDVV ÁRZ UDWH NJ V 0D ÁXH WHPSHUDWXUH 12 FODVV Type of gas used G20 G20 G31 G31 1DWXUDO JDV IHHGLQJ SUHVVXUH PEDU Propane gas feeding pressure 3P mbar 37 37 DV RQVXPSWLRQ 1 P3 KU 0LQLPXP 2SHUDWLQJ 3UHVVXUH DU LJK HYHO 9HQWLODWLRQ WR 6 ERLOHU URRP FP2 RZ HYHO 9HQWLODWLRQ WR 6 ERLOHU URRP FP2 Mechanical in...

Page 40: ...d Lane Erdington Birmingham B24 4LL TELEPHONE 08701 600072 FAX 08701 600073 E MAIL enquiries pottertoncommercial co uk WEB www pottertoncommercial co uk POTTERTON Commercial is part of Baxi Commercial Heating Part of Baxi Heating UK ...

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