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Baxi Potterton Sirius SAT RA, Installation And Operating Manual

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912.807.1 - GB

INSTALLATION AND OPERATING MANUAL

TO THE OWNER OF THIS POTTERTON COMMERCIAL APPLIANCE

We are confident your new 

POTTERTON COMMERCIAL

 appliance will meet all your requirements.

All 

POTTERTON COMMERCIAL

 products have been designed to give you what you are looking for: good 

performance combined with simple and rational use.

Please do not put away this booklet without reading it first as it contains some useful information which will 
help you to operate your appliance correctly and efficiently.

Attention:

 Do not leave any packaging (plastic bags, polystyrene, etc.) within reach of children, as it is a po-

tential source of danger

.

Summary of Contents for Sirius SAT RA

Page 1: ...Working towards a cleaner future Sirius SAT Built in User Module Fitted for a Domestic Hot Water Storage Boiler RA RA2Z Installation and Operating Manual August 2010 heating specialists ...

Page 2: ...oducts have been designed to give you what you are looking for good performance combined with simple and rational use Please do not put away this booklet without reading it first as it contains some useful information which will help you to operate your appliance correctly and efficiently Attention Do not leave any packaging plastic bags polystyrene etc within reach of children as it is a po tenti...

Page 3: ... 16 12 Electrical connections to the storage boiler 18 13 Connecting the ambient thermostat 21 14 Connecting the floor overheating thermostat 22 15 Installing and connecting the external probe 23 16 Connecting the ECO CRONO climate controller 24 17 Adjusting the electronic board 24 INSTALLATION INSTRUCTIONS HEAT METERING 18 Heat metering 28 19 Automatic measurement system via radio 29 START UP AND...

Page 4: ...se models are fitted with circulation pumps which release them from the head generated by the column pump inde pendently feeding the internal heating circuit and the storage boiler coil circuit They can also be connected to an external storage boiler for the production of domestic hot water The dual zone models can separately manage two heating zones at different temperatures and are ideal for com...

Page 5: ...D àMMJOH r YQBOTJPO TZTUFN TJ FE BDDPSEJOH UP UPUBM QMBOU DBQBDJUZ r 0WFSQSFTTVSF TBGFUZ WBMWF TJ FE BDDPSEJOH UP DVSSFOU MFHJTMBUJPO Each suitably sized column must be fitted with a circulator preferably at variable speed depending on the demand of the modules on off valves and a dynamic balancing valve Automatic air vents must be installed at the top of the columns The inlet sections must have t...

Page 6: ...904_2304 CR_0083 Figure 1a System diagram SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT B 60 SIRIUS SAT B 60 SIRIUS SAT B 60 HEATING HEATING HEATING DOMESTIC HOT WATER DOMESTIC HOT WATER DOMESTIC HOT WATER HEATING UNIT WITH BOILERS IN CASCADE ARRANGEMENT ...

Page 7: ...nge in centralised plant 60 75 c Maximum water pressure in centralised plant 4 bar Module feed flow rate nominal 700 1500 l h Maximum recommended speed of heat transfer fluid 1 1 5 m s Pressure drop in module 20 KPa at 700 l h Some purely indicative general sizing data is shown below TABLE HEAT DEMAND HEATED AREA Area to heat m2 Heat demand with F1 20 W m3 kW Heat demand with F2 30 W m3 kW Heat de...

Page 8: ...516 387 3 7 10 R 573 430 4 1 11 R 631 473 4 5 12 R 688 516 4 9 13 R 745 559 5 3 14 R 803 602 5 7 15 RS 860 645 6 1 16 RS 917 688 6 6 17 RS 975 731 7 0 18 RS 1032 774 7 4 19 RS 1089 817 7 8 20 RS 1147 860 8 2 21 S 1204 903 8 6 22 S 1261 946 9 0 23 S 1319 989 9 4 24 S 1376 1032 9 8 25 S 1433 1075 10 2 26 S 1491 1118 10 6 27 S 1548 1161 11 1 28 S 1605 1204 11 5 29 S 1663 1247 11 9 30 S 1720 1290 12 3...

Page 9: ...e sure the installation allows easy access for maintenance Remove the door and white frame and put back after installation make sure the casing accessories also include the key for opening the door The frame can be depth adjusted by using the 4 butterfly nuts located in the side guides It is therefore possible to fit the frame flush against the plaster and remove it when painting the wall Assemble...

Page 10: ...TIONS FOR SINGLE ZONE MODELS MR G 3 4 M heating plant delivery RR G 3 4 M heating plant return HEATING PLANT CONNECTIONS FOR DUAL ZONE MODELS MRAT high temperature plant delivery G 3 4 M Models RA2Z MRBT low temperature plant delivery G 3 4 M Models RA2Z RRAT high temperature plant return G 3 4 M Models RA2Z RRBT low temperature plant return G 3 4 M Models RA2Z CONNECTIONS TO STORAGE BOILER COIL C...

Page 11: ... the hydraulic connections as shown in figure 4 Connect the ISB G connector on the module to the inlet of the storage boiler coil Connect the USB G connector on the module to the outlet of the storage boiler coil Make sure that the pressure drops in the coil circuit including the connection parts are compatible with the flow pump head curve in figure 5 To ensure correct performance do not decrease...

Page 12: ...LATION AND OPERATING MANUAL Figure 4 diagram of hydraulic connections to storage boiler 0904_2401 CR_0099 SIRIUS SAT SIRIUS SAT B 60 ISB STORAGE BOILER COIL INLET USB STORAGE BOILER COIL OUTLET VS SAFETY VALVE R RECIRCULATOR ...

Page 13: ...ot recommended in order to prevent damaging scale deposits that can clog the coil reduce performance and shorten maintenance intervals 8 DOMESTIC HOT WATER PRODUCTION These models are fitted with a circulation pump This silent running high head pump is suitable for use on any type of heating system The pump mounted inside the appliance is fitted out for operation at maximum speed III Speed I shoul...

Page 14: ...r kit for measuring water consumption is available as an accessory t PNFTUJD XBUFS NFUFS 5 GPS NPEFMT 3 o 3 The kit comprises a SIEMENS WFH36 electronic volumetric meter with display and radio data transmission featuring the same characteristics as the heat meter see 18 and two connection pipes housed inside the frame of the user module in the holes made for that purpose For further information on...

Page 15: ... 3mm When replacing the power supply cable fit a harmonised HAR H05 VV F 3x1 mm2 cable with a maximum diameter of 8 mm 10 ELECTRICAL CONNECTIONS r EJTDPOOFDU UIF BQQMJBODF GSPN UIF NBJOT QPXFS TVQQMZ VTJOH UIF UXP QPMF TXJUDI r SFNPWF UIF EPPS PG UIF DBTJOH VTJOH UIF TVQQMJFE TRVBSF LFZ r NBLF TVSF UIBU UIF TXJUDI JOEJDBUPS MJHIU JT PGG r MPPTFO UIF TDSFXT PO UIF DPWFS PG UIF FMFDUSJDBM CPY BOE SF...

Page 16: ...able colours R Red V Green G Yellow G V Yellow Green M Brown C Light Blue B White N Black INLET SERVOMOTOR STORAGE BOILER PROBE MAINS POWER 230V 50HZ SAFETY THERMOSTAT EXTERNAL PROBE DHW FLOW SWITCH THREE WAY VALVE PUMP DHW RECIRCULATION PUMP ON OFF BUTTON MIXING VALVE SERVOMOTOR HEATING PROBE RESISTANCE ...

Page 17: ...n G Yellow G V Yellow Green M Brown C Light Blue B White N Black HEATING PROBE EXTERNAL PROBE SAFETY THERMOSTAT INLET SERVOMOTOR HIGH TEMP ZONE SERVOMOTOR THREE WAY VALVE DHW RECIRCULATION PUMP P 1 BT PUMP MAINS POWER 230V 50HZ ON OFF BUTTON MIXING VALVE SERVOMOTOR DHW FLOW SWITCH STORAGE BOILER PROBE RESISTANCE ...

Page 18: ...SAT B 60 storage boiler r SFNPWF UIF MPXFS DPWFS PG UIF BQQMJBODF r SFNPWF UIF DPWFS PG UIF FYUFSOBM DPOOFDUPS r 1PTJUJPO UIF 3 QJO 5 5 4 TDSFX DPOOFDUPS JO UIF VQQFS IPVTJOH BOE UIF QJO TDSFX DPOOFDUPS N in the lower housing r 6TF B EVBM JOTVMBUFE QJO DBCMF TUBOEBSE i 3 77 Y NN i DBCMF UP DPOOFDU UIF TDSFX DPOOFDUPST JO UIF two appliances DHW probe terminals T2 S3 DHW flow switch terminals L1 N r...

Page 19: ...F PG UIF TUPSBHF CPJMFS QSPCF UP UFSNJOBMT 5 m 4 JG UIF DBCMF OFFET FYUFOEJOH VTF B TUBOEBSE i 3 VV F 2x 0 5 mm2 r 6TF B EVBM JOTVMBUFE QJO DBCMF TUBOEBSE i 3 77 Y NN i DBCMF UP DPOOFDU UFSNJOBMT PG UIF TDSFX connector to the flow switch contacts DHW probe terminals T2 S3 DHW flow switch terminals L1 N r JOTFSU UIF QSPCF JOUP UIF TUPSBHF CPJMFS USBQ BOE TFDVSF JU r DMPTF UIF DPOOFDUPS DPWFS The DH...

Page 20: ...OEBSE i 3 77 Y NN i DBCMF UP DPOOFDU UIF TUPSBHF CPJMFS DPOUBDUT C 1 to the terminals L1 N of the external connector Storage boiler DHW thermostat terminals L1 N r DMPTF UIF DPOOFDUPS DPWFS attention make sure that the storage boiler water temperature set using the storage boiler thermostat is set to a lower temperature than that of the system water Otherwise the module will not be able to complet...

Page 21: ...0 75 mm2 with a maximum diameter of 8 mm 13 1 SINGLE ZONE MODELS RA These models are fitted for two ambient thermostats in order to provide independent management of two zones at diffe rent temperatures r BDDFTT UIF FMFDUSJDBM DPNQPOFOUT BT EFTDSJCFE JO QBSBHSBQI r SFNPWF UIF KVNQFS PO UIF FMFDUSPOJD CPBSE UFSNJOBMT BOE TFF XJSJOH EJBHSBNT JO f BOE Figure 11 r UISFBE UXP XJSF DBCMFT UISPVHI UIF HS...

Page 22: ...BM DPNQPOFOUT BT EFTDSJCFE JO QBSBHSBQI r SFNPWF UIF KVNQFS PO UIF FMFDUSPOJD CPBSE UFSNJOBMT TFF XJSJOH EJBHSBNT JO f BOE JHVSF r UISFBE UIF UXP XJSF DBCMF DPNJOH GSPN UIF UIFSNPTUBU UFSNJOBMT UISPVHI UIF HSPNNFUT PG UIF FMFDUSJDBM CPY BOE connect it to these two terminals using a harmonised cable HAR H05 VV F 2 x 0 75 mm2 with a maximum diameter of 8 mm Safety thermostat tripping If the safety t...

Page 23: ...ke electrical connections to the probe using two wires with a minimum cross section of 0 5 mm2 and a maximum length of 20 m polarity is unimportant Fix one end of the Module Probe connection cable to the probe terminal block securing it with the relative sealed grommet and the other end to the screw connector CN4 B9 M on the electronic board to access the electrical components see section 10 1 Use...

Page 24: ...NO climate adjuster also include the information required to r 1SPHSBNNF VTFS TFUUBCMF QBSBNFUFST r 1SPHSBNNF àUUFS TFUUBCMF QBSBNFUFST r OTUBMMBUJPO 16 CONNECTING THE CLIMATE ADJUSTER ECO CRONO accessory available on request Attention only make adjustments to the electronic board after disconnecting the power supply see 10 access to live components The following adjustment can be made on the elec...

Page 25: ... for the model Figure 14 C Model switches 0703_2304 CR_0087 TS Domestic hot water DHW adjustment potentio meter Adjusts domestic hot water temperature TS temperature range 35 65 C Factory setting 45 C Attention the DHW function is disabled in the first quarter of its travel the anti freeze function remains The electronic board is fitted with a special function that lowers the set DHW temperature i...

Page 26: ...mperatures radiators the medium curve should be selected for heating elements fitted with fans fan coil units the low curve should be selected for heating elements at low temperatures underfloor or similar systems 0904_2601 CR_0028 For dual zone models RA2Z the choice of the climate curve only applies to the mixed zone The other zone works di rectly with the temperature of the inlet water from the...

Page 27: ... 0904_2602 CR_0028 Figure 14 E External probe switch Figure 14 F Pump post circulation switch 0904_2603 CR_0028 Figure 14 G Anti legionellosis switch 0702_2403 CR_0088 SWITCH 8 ANTI LEGIONELLOSIS FUNCTION Anti legionellosis function selection table ANTI LEGIONELLOSIS Switch 8 ENABLED ON DISABLED OFF factory setting With the anti legionellosis function enabled the system heats the storage boiler to...

Page 28: ...F r BTU ZFBS T QPXFS DPOTVNQUJPO r IFDL DPEF r 5PUBM QPXFS DPOTVNQUJPO TJODF JOTUBMMBUJPO r BVMU TJHOBMT DPOTVMU UIF GPMMPXJOH TFDUJPO The units of measurement are C or K kWh m3 h kW and hours The display shows total heating consumption by default Fault signals The appliance automatically carries out diagnostic controls and displays the faults it finds It divides the faults into two categories r 5...

Page 29: ...m phone card figure 16b case 3 In certain cases the following accessory components must be used t 855 003 3 t 855 3 8 5 4 3 065165 MPDBM SFBEJOH WJB 1 t 859 4 5 8 3 UFMFQIPOF SFBEJOH WJB 1 t 4 85 3 3 0 0 6 03 1 SBEJP SFBEJOH WJB 1 t 4 3 40 58 3 GPS 1 During installation no special start up procedures are required for radio transmissions as all the system components are automatically configured for...

Page 30: ...ONE TRANSMISSION RADIO TRANSMISSION 868 MHZ RADIO TRANSMISSION 868 MHZ RADIO TRANSMISSION 868 MHZ RADIO TRANSMISSION 868 MHZ FLOOR AERIAL FLOOR AERIAL SEE OPTIONS FIGURE 15B SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT SIRIUS SAT HOME A HOME B HOME A HOME B HOME A HOME B HOME A HOME B HOME A HOME B ...

Page 31: ... MANUAL Figure 16 B Measurement options 0904_2605 CR_0033 1 LOCAL TRANSMISSION VIA SERIAL LINE 2 LOCAL TRANSMISSION VIA RADIO 3 TRANSMISSION VIA GSM AERIAL WTT16 232 AERIAL WTT16 AERIAL WTX16 GSM GSM MODEM REMOTE OFFICE APARTMENT BLOCK TO METER ...

Page 32: ...UIF àFME UP DPNQFUF TZTUFN TUBSU VQ TFU UIF BFSJBMT UP UIF TUBOEBSE NPEF QSFTT UIF blue button on each WTT16 aerial 19 1 START UP During automatic system operation the WTT16 aerials and the GATEWAY WTX16 GSM aerial exchange the consumption data of the meters on a daily basis in order to allow each single aerial to store the data of the entire building The data of the entire building can be manuall...

Page 33: ...tic air vent valve 21 AIR VENT AND PUMP RESET 21 1 AIR VENT The user module is fitted with a pump reset device which if no heat demand heating and or domestic water is received for 24 consecutive hours automatically runs the pump for one minute This function is operative if the system is powe red If however the pump s need s to be reset after a period of inactivity or during initial starting simpl...

Page 34: ...he relative ambient ther mostats or with the ECO CRONO climate adjustor The user module heats the water in the storage boiler to the temperature set by the relative DHW potentiometer TS temperature range 35 65 C see 17 Whenever the temperature of the water in the storage boiler falls below the set value the module serves the storage boiler interrupting operation in the heating mode DHW priority Di...

Page 35: ... DHW RECIRCULATION PUMP DL7 GREEN ON ZONE II VALVE OPEN Y4 DL8 RED ON THREE WAY VALVE IN DHW MODE Y3 DL9 GREEN ON THREE WAY VALVE IN HEATING MODE Y3 DL10 GREEN ON DOMESTIC HOT WATER DEMAND DL11 GREEN ON ON OFF VALVE OPEN AT TRAVEL STOP DL12 RED ON SAFETY THERMOSTAT TRIPPED DL12 RED FLASHING AFTER SAFETY THERMOSTAT RESET DL13 GREEN ON ZONE II HEAT DEMAND 23 ELECTRONIC BOARD SIGNALS Safety thermosta...

Page 36: ...36 912 807 1 GB INSTALLATION AND OPERATING MANUAL Figure 17 Electronic board signals 0904_2701 CR_0024 Safety thermostat tripping Red LED Red LED Red LED Green LED Green LED Green LED ...

Page 37: ...ance MAINTENANCE INSTRUCTIONS These appliances are fitted with a heating water filter on the water inlet line coming from the centralised plant To clean proceed as follows r MPTF BMM UIF PO PGG UBQT PO UIF IZESBVMJD DPOOFDUPST PG UIF NPEVMF r SBJO UIF IFBUJOH DJSDVJU r 6OTDSFX UIF DBQ BU UIF UPQ PG UIF àMUFS SFNPWF UIF JOUFSOBM DZMJOEFS DBSUSJEHF BOE FMJNJOBUF BOZ JNQVSJUJFT 0607_0303 CR_0020 Figu...

Page 38: ...0085 25 1 MODEL RA Key Y1 ON OFF valve Y2 Mixing valve Y3 3 way valve DHW heating P1 Heating storage boiler pump C1 Meter B4 NTC heating probe HEATING SYSTEM DELIVERY STORAGE BOILER COIL DELIVERY CENTRAL HEATING INLET CENTRAL HEATING RETURN STORAGE BOILER COIL RETURN HEATING SYSTEM COIL RETURN ...

Page 39: ...valve P1 Low temperature heating pump P2 High temperature heating pump C1 Meter B4 NTC heating probe HIGH TEMPERATURE HEATING SYSTEM DELIVERY LOW TEMPERATURE HEATING SYSTEM DELIVERY CENTRAL HEATING INLET CENTRAL HEATING RETURN STORAGE BOILER COIL RETURN HIGH TEMPERATURE HEATING SYSTEM RETURN STORAGE BOILER COIL DELIVERY LOW TEMPERATURE HEATING SYSTEM RETURN ...

Page 40: ...Baxi Commercial Division Wood Lane Erdington Birmingham B24 9QP Email andrews baxigroup com www andrewswaterheaters co uk Sales 0845 070 1056 Technical 0845 070 1057 heating specialists ...

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