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7.11  Wiring diagram

TRA

EV

F

CN11

TA1

SE

CR

PI

230 V - 50 Hz

L

N

CD. 6302285

CN6

CN5

CN3

CN17

CN4

CN1

CN15

CN14

CN13

CN12

CN2

V

SF

TS

TFU

SM

4 3 2 1

EAR

SAUX

BLA

CK

BLA

CK

TA2

3

2

1

4 5 6

TPA

5V

GND

OUT

BL

UE

BL

UE

GREEN

GREEN

BLA

CK

BLA

CK

BLACK

BLACK

BLUE

BROWN

RED

RED

RED

GREEN

BLA

CK

BL

UE

BLA

CK

BLA

CK

BL

UE

BL

UE

BL

UE

BLA

CK

GREEN

RED

BLUE

BROWN

RED

ORANGE

GREEN

L

 Line

N

 Neutral

F

 

Fuse (3.15AT)

TRA

 

Ignition transformer

PI

 

System pump

V

 Fan

EAR

 

Ignition / Detection electrode

EV

 

Gas solenoid valve

SM

 

Delivery sensor

SAUX

 

Auxiliary sensor

TS

 

Safety thermostat

TFU

 

Thermal fuse

SF

 

Smoke flue gas probe

TPA

 

Pressure transducer

TA1-TA2

  Air thermostat

SE

 

External sensor

To connect the "Air Thermostat" or, alternatively the "Remote Control", remove the bridge 

between terminals 5-6.

Fig. 15

CAUTION

Users must:

–  Use an omnipolar cut-off switch, disconnect switch 

in compliance with AS/NZS Standards

–  Respect the connections L (Live) - N (Neutral)
–  Ensure that the special power cable is only replaced 

with a cable ordered as a spare part and connected 

by professionally qualified personnel

–  Connect the earth wire to an effective earthing 

system. The manufacturer is not responsible for any 

damage caused by failure to earth the appliance or 

failure to observe the information provided in the 

wiring diagrams.

IT IS FORBIDDEN

To use water pipes for earthing the appliance.

Summary of Contents for Brava Slim HE 20 R i

Page 1: ...S NZS 4552 LN SAI 400196 CAUTION This product must be installed exclusively by professionally qualified personnel in accordance with the requirements of the standards AS NZS 5601 AS NZS 3500 AS NZS 3000 current version of the local gas electricity authorities and other relevant legislation Condensing wall mounted boiler EN ...

Page 2: ...al Technical Standards and Legislation in force This appliance is not suitable for pool or SPA heating RESTRICTIONS d IT IS FORBIDDEN Do not allow appliance to be used by children or unassisted disabled persons Do not use electrical devices or appliances such as switches electrical appliances etc if you can smell fuel If this should happen open the doors and windows to air the room close the gas i...

Page 3: ...ctions which if not carried out correctly can result in injury of a general nature or may damage or cause the appliance to malfunction these actions therefore require particular caution and adequate preparation f ELECTRICAL HAZARD To indicate actions which if not carried out correctly could lead to injury of an electrical nature these actions therefore require particular caution and adequate prepa...

Page 4: ...4 ...

Page 5: ...ting the heating temperature 7 1 5 Fault malfunction codes 8 2 SHUTDOWN 8 2 1 Temporary shutdown 8 2 2 Shutting down for long periods 8 3 MAINTENANCE 9 3 1 Adjustments 9 3 2 External cleaning 9 3 2 1 Cleaning the cladding 9 4 DISPOSAL 9 4 1 Disposal of the equipment European Directive 2002 96 CE 9 5 HANDOVER INSTRUCTIONS 10 6 SERVICE RECORDS 10 ...

Page 6: ...enerates a fault on the display without preventing boiler operation The warning disappears when normal conditions are restored 2 DISPLAY l SUMMER The symbol for Summer mode is displayed If the symbols l and n are flashing this indicates that the chimney sweep function is active n WINTER This symbol appears when the boiler is operating in Winter mode If no operating modes have been enabled both sym...

Page 7: ...ton yuntil Stand by mode has been selected ON Fig 3 on the display 1 check that the heating system pressure when cold is 1 1 2 bar 100 120 kPa Otherwise open the filling valve which is to be prearranged on the system return and fill until a pressure of 1 1 2 bar 100 120 kPa is shown on the display 1 close the filling valve 2 1 Fig 4 select the WINTER l operating mode by pressing the ybutton twice ...

Page 8: ... still be powered If the user is away temporarily for a weekend short trip etc and if the outside temperature is at ZERO press and hold the button y once if in WINTER mode n or twice if in SUMMER mode lto put the boiler into stand by set the main system switch to OFF close the gas valve OFF Fig 6 m CAUTION If the outside temperature might fall below ZERO since the appliance is equipped with an ant...

Page 9: ...ding When cleaning the cladding use a cloth dampened with soap and water or alcohol for stubborn marks d IT IS FORBIDDEN to use abrasive products 4 DISPOSAL 4 1 Disposal of the equipment European Directive 2002 96 CE Once it reaches the end of its operating life the equipment MUST BE RECYCLED in line with current legislation It can be handed over to recycling centres if there are any or to retaile...

Page 10: ...nd turn them on or off Simple fault resolution i e power on 5 Instruct how to check and remove air in the radiators Provide a bleed key 6 Turn ON gas bleed air out at the isolation valve unions Reseal and check for gas leaks Turn gas OFF 7 Underline the importance of these SERVICE RECORDS keeping them safe accessible 8 Recommend that the boiler should be serviced at before the start of winter next...

Page 11: ... Contact phone number Work Completed Notes Service 3 Year 5 Date Service technician Name PIC Licence No Service Company Contact phone number Work Completed Notes Service 4 Year 7 Date Service technician Name PIC Licence No Service Company Contact phone number Work Completed Notes ...

Page 12: ...vice 7 Year 11 Date Service technician Name PIC Licence No Service Company Contact phone number Work Completed Notes Service 8 Year 13 Date Service technician Name PIC Licence No Service Company Contact phone number Work Completed Notes For any needs please contact Reece Customer Care 1800 080 055 or customercare reece com au ...

Page 13: ...d safety devices 14 7 3 Identification 14 7 4 Structure 15 7 4 1 Brava Slim HE 20 R i Brava Slim HE 40 R i 15 7 4 2 Brava Slim HE 20 R e Brava Slim HE 40 R e 16 7 5 Technical features 17 7 6 Main water circuit 18 7 7 Sensors 18 7 8 Expansion vessel 18 7 9 Circulation pump 18 7 10 Control panel 19 7 11 Wiring diagram 20 ...

Page 14: ...s activates automatically every 24 hours if no request for heat has been made the chimney sweep function lasts 15 minutes and makes the job of the qualified technician easier when measuring the parameters and combustion efficiency domestic hot water comfort function which allows the time necessary for the hot water to become available to be reduced and ensures that the temperature is stable screen...

Page 15: ...e viewing window 6 Ignition detection electrode 7 Heat safety thermostat 8 Delivery sensor 9 Fan 10 Condensate siphon 11 Automatic by pass 12 Control panel 13 Gas valve 14 System relief valve 15 Boiler drain 16 System pump 17 Water pressure transducer 18 Automatic bleed valve 19 Air gas mixer 20 Expansion vessel 21 Air inlet pipe 22 Air smoke chamber 23 Smoke flue gas probe 24 Air inlet 25 Smoke o...

Page 16: ...e viewing window 6 Ignition detection electrode 7 Heat safety thermostat 8 Delivery sensor 9 Fan 10 Condensate siphon 11 Automatic by pass 12 Control panel 13 Gas valve 14 System relief valve 15 Boiler drain 16 System pump 17 Water pressure transducer 18 Automatic bleed valve 19 Air gas mixer 20 Expansion vessel 21 Air inlet pipe 22 Air smoke chamber 23 Smoke flue gas probe 24 Air inlet 25 Smoke o...

Page 17: ...y Hz 50 Absorbed electrical power W 105 135 Electrical protection degree IP X5D COMBUSTION DATA Smoke temperature at Max Min flow 80 60 C C 82 66 75 62 Smoke temperature at Max Min flow 50 30 C C 59 45 54 39 Smoke flow Max Min g s 11 2 1 9 18 6 3 3 CO2 at Max Min flow rate NATURAL GAS 9 0 9 0 9 0 9 0 CO2 at Max Min flow rate UNIVERSAL LPG 10 0 10 0 10 0 10 0 NOZZLES GAS Number of nozzles No 1 Nozz...

Page 18: ...2 4751 3426 2512 1870 1411 1079 20309 13582 9281 6470 4595 3319 2437 1817 1373 1051 19489 13062 8945 6247 4444 3216 2365 1766 1336 1024 18706 12565 8622 6033 4300 3116 2296 1717 1300 998 10 C 20 C 30 C 40 C 50 C 60 C 70 C 80 C 90 C 100 C 7 8 Expansion vessel The expansion vessel installed on the boilers has the following characteristics Description U M Brava Slim HE R 20 R i 20 R e 40 R i 40 R e T...

Page 19: ... are restored 2 DISPLAY l SUMMER The symbol for Summer mode is displayed If the symbols l and n are flashing this indicates that the chimney sweep function is active n WINTER This symbol appears when the boiler is operating in Winter mode If no operating modes have been enabled both symbols land nwill be off d RESET REQUIRED The message indicates that after having repaired the fault normal boiler ...

Page 20: ...F Smoke flue gas probe TPA Pressure transducer TA1 TA2 Air thermostat SE External sensor To connect the Air Thermostat or alternatively the Remote Control remove the bridge between terminals 5 6 Fig 15 m CAUTION Users must Use an omnipolar cut off switch disconnect switch in compliance with AS NZS Standards Respect the connections L Live N Neutral Ensure that the special power cable is only replac...

Page 21: ...ay 32 9 4 List of parameters 32 9 5 Fault malfunction codes 33 9 6 Display of operating data and counters 34 9 7 Checks after commissioning 35 9 7 1 Chimney sweeper function 35 9 8 Gas conversion 36 10 MAINTENANCE 37 10 1 Adjustments 37 10 2 External cleaning 37 10 2 1 Cleaning the cladding 37 10 3 Cleaning the inside of the appliance 37 10 3 1 Removing components 37 10 3 2 Cleaning the burner and...

Page 22: ... Slim HE R 20 R i 20 R e 40 R i 40 R e W mm 400 450 400 450 D mm 250 256 250 303 H mm 700 917 700 917 Weight kg 28 5 30 0 30 0 32 8 3 Handling Once the packaging has been removed the appliance is to be handled manually tilting it slightly lifting it and applying pressure in the points indicated in the figure Fig 18 d IT IS FORBIDDEN To grip the appliance casing Hold the solid parts of the applianc...

Page 23: ...ghly cleaned to remove sludge slag dirt residue etc Before removing an old heat generator from an existing system it is recommended that the user puts a descaling additive into the water system allows the system to work with the generator active for a few days drains the dirty water from the system and flushes the system with clean water once or more than once If the old generator has already been...

Page 24: ...sized to that of the siphon and must not be restricted at any point The condensate outlet must be constructed in full compliance of the National or Local regulations in force Before commissioning the appliance fill the siphon with water 8 11 Gas supply Brava Slim HE R boilers leave the factory prearranged for gas NATURAL GAS and can also work with Universal LPG without the need for any type of mec...

Page 25: ... sub floor ventilation j 300 From a mechanical air inlet including a spa blower k 1000 Vertically below an opening window non mechanical air inlet or any other opening into a building with the exception of sub floor ventilation n 500 m CAUTION Use as a guide only See AS NZS5601 for flue design details Refer to AS NZS5601 current version or local gas fitting rules for specific locations m CAUTION T...

Page 26: ...ust be in compliance with the national and local Standards and Legislation in force The use of rigid ducts which are resistant to temperature condensate mechanical stress and are air tight is compulsory Outlet ducts which are not isolated are a risk of danger 8 12 4 Coaxial duct Ø 60 100mm and Ø 80 125mm Description Code Ø 60 100 mm Ø 80 125 mm Coaxial duct kit 8096250 8096253 Extension W 1000 mm ...

Page 27: ...ons of the original components as shown in the table are needed These are to be ordered separately from the boiler DESCRIPTION CODE External sensor kit ß 3435 NTC 10KOhm at 25 C 8094101 Remote control HOME open therm 8092280 Remote control HOME PLUS open therm 8092281 m CAUTION The maintenance interventions described must ONLY be carried out the professionally qualified personnel a WARNING Before ...

Page 28: ...s disconnected by setting the main system switch to OFF The manufacturer is not responsible for any damage caused by failure to earth the appliance or failure to observe the information provided in the wiring diagrams d IT IS FORBIDDEN To use water pipes for earthing the appliance 8 13 1 External sensor The boiler is prearranged for connection to an external air temperature sensor and can operate ...

Page 29: ...very R System return CR Remote control SE External sensor TA TA3 Air thermostat for the zone VZ1 VZ3 Zone valves RL1 RL3 Zone relays P1 P3 Zone pump SP Hydraulic separator ONEDIRECTZONEsystem externalsensorandairthermostat R M SE TA CR Fig 33 MULTI ZONE system with pump air thermostat and external sensor TA SE TA2 TA3 TA1 P3 RL1 SP RL2 RL3 P2 P1 R M Fig 34 MULTI ZONE system with zone valve air the...

Page 30: ...re reaches 1 1 2 bar 100 120 kPa as shown on the display close the filling valve check that there is no air in the system by bleeding all the radiators and the circuit on the high points of the system remove the front plug 6 of the pump and use a screwdriver to check that the impeller is not blocked replace the plug 6 6 3 Fig 38 NOTE to completely remove all air from the system it is recommended t...

Page 31: ...r approximately 12 seconds until the flashing symbols l and nappear on the display as soon as the symbols begin to flash release the buttons and and press the button y within 3 seconds the Automatic self calibrating procedure starts ensure that the system isolation valves are open adjust the room thermostat to request status at a high value the values flash on the display 100 maximum value followe...

Page 32: ...rage tank with thermostat or heating only 2 hot water tank with sensor 3 bithermic 4 instant with solar power input 5 open vent 6 boiler with heat pump 0 6 1 1 PAR 03 Gas Type Configuration 0 NATURAL GAS 1 UNIVERSAL LPG 0 1 1 0 PAR 04 Combustion configuration 0 sealed chamber with combustion control 0 PAR 08 External sensor value correction 5 5 C 1 0 PAR 09 Ignition fan speed 80 160 RPMx25 1 128 D...

Page 33: ... appliance from the mains power by setting the main switch to OFF OFF Fig 41 as a precautionary measure close the gas isolation valve Repair the fault and start up the boiler again NOTE after having repaired the fault when the alarm number appears on the display together with the message d see figure press the button y for approximately 3 seconds to start the appliance up again 9 5 Fault malfuncti...

Page 34: ...ressing the button t Scrolling will be in sequence display the activated alarms no more than 10 by pressing the button Once in this section proceed with button tor When all the values have been displayed exit the menu by pressing and holding down the button yfor approximately 5 seconds until the initial screen is displayed TABLE OF INFORMATION DISPLAYED Type No Description Range U M Step PAR 00 SW...

Page 35: ... already been removed remove the two screws 1 pull the front panel 2 forwards and release it from the top by lifting it 2 1 Fig 42 remove the screws 3 securing the control panel 4 move the panel 4 upwards a but keeping it in the side guides 5 to the end of travel bring it forwards and down b until it is horizontal 3 a b 5 4 Fig 43 close the gas valve loosen the screw of the mains pressure point 6 ...

Page 36: ...e original position and refit the front panel 2 Gas supply pressure Type of gas NATURAL GAS UNIVERSAL LPG Pressure mbar kPa 11 3 1 13 27 5 2 75 9 8 Gas conversion Brava Slim HE R models can work with NATURAL GAS or UNIVERSAL LPG without the need for any mechanical conversion Select parameter PAR 03 see Parameter setting and display and set the type of gas to be used If changing the type of gas to ...

Page 37: ...g 46 10 2 External cleaning 10 2 1 Cleaning the cladding When cleaning the cladding use a cloth dampened with soap and water or alcohol for stubborn marks d IT IS FORBIDDEN to use abrasive products 10 3 Cleaning the inside of the appliance 10 3 1 Removing components To access the internal parts of the boiler disassemble the smoke outlet duct of the Brava Slim HE 20 R e and Brava Slim HE 40 R e if ...

Page 38: ...aving cleaned the combustion chamber and the burner remove any carbon residue check that the seal and the insulation of the door 12 to the combustion chamber are integral Replace if necessary refit the assembly by carrying out the same operations for removal but in the reverse order and tighten the screws 11 of the door to the combustion chamber reconnect the connections to the fan and the electro...

Page 39: ...he pump rotor Check the electrical connections Replace the pump ALL 11 Gas valve modulator disconnected Check the electrical connection ALL 12 Incorrect configuration of the open sealed chamber Set the parameter PAR 04 Combustion configuration to 0 ALL 13 Smoke probe intervention Replace the smoke probe Contact the Technical Assistance Centre ALL 14 Smoke probe fault Replace the smoke probe Check ...

Page 40: ...ALL 93 Combustion set cannot be reached error Contact the Technical Assistance Centre ALL 95 Flame signal micro interruptions error Contact the Technical Assistance Centre ALL 96 Block due to clogging in smoke outlet Check for blockage in chimney ALL 98 SW error board start up Contact the Technical Assistance Centre ALL 99 General board error Contact the Technical Assistance Centre Frequent relief...

Page 41: ... does not switch off during the commissioning phase The thermostat will unusually click and show an an indicator in the window 9 Switch the boiler ON at the boiler front panel control 10 Boiler should start fan pump and ignite gas If it fails first few times this may be just residual air in the gas line A noisy water pump indicates there is air in the water pipes 11 Boiler lights and heats the wat...

Page 42: ...42 12 EXPLODED VIEWS Brava Slim HE 20 R i Brava Slim HE 40 R i ...

Page 43: ...43 Brava Slim HE 20 R e Brava Slim HE 40 R e ...

Page 44: ...44 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...

Page 45: ...45 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...

Page 46: ...46 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...

Page 47: ...Nozzle 650 x x 52 6226477 Rubber gasket OR Ø 17x3 x x x x Pos Code Description BRAVA SLIM HE R 20 i 20 e 40 i 40 e 53 6226636 D H W elektrovalve fix spring x x x x 54 6227462 Flowing pipe to C H system x x 54 6227466 Flowing pipe to C H system x x 55 6226412 O ring 3068 x x x x 56 6231372 Temperature sensor x x x x 57 6146729 100 C safety stat x x x x 58 6226601 Spring for heat exchanger connectio...

Page 48: ...the smoke outlet duct of the Brava Slim HE 20 R e and Brava Slim HE 40 R e remove the screws 1 pull the front panel 2 forwards and release it from the top by lifting it 1 2 Fig 52 13 1 2 Side panels Unscrew the screws 3 pull the side panel 4 outwards to release it from the top 3 4 Fig 53 proceed in the same way for the other panel 13 2 Rotate control panel Remove front panel see Remove panels on p...

Page 49: ...disconnect the connector 1 1 Fig 55 using a suitable tool rotate the sensor 90 anti clockwise 2 2 Fig 56 extract the sensor 2 2 Fig 57 13 3 2 Delivery sensor Remove front panel see Remove panels on page 48 disconnect the connectors 1 1 Fig 58 remove the rear locking clip 2 disconnect the sensor 3 from the pipe 3 2 Fig 59 ...

Page 50: ...oard Remove front panel see Remove panels on page 48 move the control panel A into a horizontal position see Rotate control panel on page 48 unscrew the screw 1 press the catches 2 to remove the cover 2 2 1 A Fig 62 open the cover 3 3 Fig 63 unscrew the fixing screw 4 on the electronic board remove the electronic board 5 by sliding upwards disconnect all the connectors 6 5 4 6 Fig 64 ...

Page 51: ... 48 disconnect the fan connectors 1 remove the clip 2 and air inlet pipe unscrew the swivel joint 3 2 1 3 Fig 65 unscrew the nuts 4 remove combustion head unit conveyor fan 5 4 5 Fig 66 unscrew the screws 6 and unthread the combustion head 7 unscrew the screws 8 and remove the fan 9 6 7 8 9 Fig 67 ...

Page 52: ...de 4 4 Fig 70 check the electrode quotas as per chapter Checking the ignition detection electrode on page 38 13 7 Remove replace the siphon m CAUTION When disassembling some residual water may leak Remove the panelling see Remove panels on page 48 move the control panel A into a horizontal position see Rotate control panel on page 48 remove the spring clips 1 remove the cover 2 1 2 A 1 Fig 71 slid...

Page 53: ...swivel joints 3 and the screws 4 4 3 Fig 74 extract the gas valve 5 the nozzle 6 MUST be used with the new valve 5 6 Fig 75 13 9 Remove replace the expansion vessel Shut off the valves to the system and empty the boiler remove the front panel see Remove panels on page 48 disconnect the pipe 1 unscrew the fixing screw 2 on the rear panel 2 1 Fig 76 release the top section 4 pivoting around the hook...

Page 54: ...m and empty the boiler remove the front panel see Remove panels on page 48 lift the connector 1 using a screwdriver 2 1 2 Fig 78 unscrew the swivel joints 3 and 4 disconnect the pipes 5 and 6 unscrew the screw 7 unscrew the nut 8 that secures the pump 5 3 7 4 8 6 Fig 79 ...

Page 55: ...55 ...

Page 56: ...045 Legnago Vr Tel 39 0442 631111 Fax 39 0442 631292 www sime it Fonderie SIME S p A reserves the right to make changes at any time without prior notice in order to improve its products without compromising the essential characteristics ...

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