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79

FAULT FINDING

6 720 644 593 (2010/04)

10 Fault Finding

10.1 Faults indicated on the display

When indicating a fault, the display is back-lit in red. In addition, the type of fault is indicated by
symbols. The individual fault messages can be retrieved using the rotary selector. Fault messages
continue to be displayed until the fault is rectified.

B

In the case of sensor faults, eliminate the cause of the fault to cancel display of the fault.

B

With other faults, eliminate the cause of the fault and then press the rotary selector

to cancel

display of the fault.

Indication/Type of fault

Effect

Possible causes

Remedy

Sensor failure S1 ... S8

Associated components
(pumps/valves) are switched
off.

Temperature sensor not/
incorrectly connected.

Check sensor connections.
Check temperature sensors for
breakages or incorrect
positioning.

Temperature sensor or sensor
lead defective.

Replace temperature sensor.
Check sensor lead.

Sensor short circuit S1 ... S8

Associated components
(pumps/valves) are switched
off.

Temperature sensor or sensor
lead defective.

Replace temperature sensor.
Check sensor lead.

“No fluid flow in solar systems”/“secondary system”

The temperature difference
between collector
temperature sensor and
bottom cylinder temperature
sensor or between heat
exchanger flow temperature
sensor and bottom cylinder
temperature sensor is too
great.

Air in the system.

Bleed the system.

Pump is stalled.

Check the pump.

Valves or shut-offs are closed.

Check valves and isolators.

Pipe clogged.

Check/flush out pipe.

Tab. 13

Possible faults indicated on the display

ok

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Содержание Worcester TDS 300

Страница 1: ...UK IE INSTALLATION AND OPERATING INSTRUCTIONS SOLAR HEATING PROGRAMMER TDS 300 6720613720 00 1 SD 6 720 644 593 2010 04 ...

Страница 2: ...2nd collector array 23 5 4 3 Configuration diagram 1 B solar water heating with pre heat system 24 5 4 4 Configuration diagram 1 AB solar water heating with 2nd collector array and staged charging system 25 5 4 5 Configuration diagram 1 C p p solar water heating with 2 cylinders and 2nd pump 26 5 4 6 Configuration diagram 1 C p v solar water heating with 2 cylinders and diverter valve 27 5 4 7 Con...

Страница 3: ...nfiguration diagram 2 CD p v heating boost system with 2 cylinders connected via valve and external heat exchanger 45 5 5 8 Configuration diagram 2 CD p p heating boost system with swimming pool connected via second pump and external heat exchanger 46 5 5 9 Configuration diagram 2 CD p v heating boost system with swimming pool connected via valve and external heat exchanger 47 5 5 10 Configuration...

Страница 4: ...eed control 70 9 5 24 Pump PD modulation 70 9 5 25 External heat exchanger anti icing system 71 9 5 26 Cylinder top temperature limiter 71 9 5 27 Pump PD operating mode 72 9 5 28 Anti icing valve operating mode 72 9 5 29 Thermal disinfection 72 9 5 30 Thermal disinfection target temperature 73 9 5 31 Thermal disinfection time setting 73 9 5 32 Pump PE operating mode 74 9 5 33 Heat meter 74 9 5 34 ...

Страница 5: ...ms where easily combustible gas mixtures could form B Only operate the solar heating system as intended and when it is in perfect working order Electrical connections Any work that requires the programmer to be opened may only be carried out by a qualified electrician B The electrical supply must be connected by a qualified electrician B Make sure that an all pole mains isolating device compliant ...

Страница 6: ... injury or serious damage to property could result Danger indicates that serious personal injury could result In particularly serious cases lives could be at risk Notes contain important information in cases where there is no risk of personal injury or damage to property Safety instructions in this document are identified by a warning triangle symbol and are printed on a grey background Notes are ...

Страница 7: ...nal requirements Conformity has been demonstrated 2 2 Package contents Fig 1 Programmer and temperature sensors TDS 300 programmer Collector temperature sensor NTC 20K Cylinder temperature sensor NTC 10K Fixings and cable clamps for wall mounting Additional components that may be required such as temperature sensors heat meters and valves are available as optional accessories 7747006071 06 1 SD 77...

Страница 8: ...mal operating mode the display screen on the programmer stays illuminated in green yellow for 5 minutes after the last button was pressed activated by pressing the rotary selector for example The display shows the following Pump and valve status as simple schematic diagram not representative of actual system System data e g temperatures Selected functions Fault messages Fig 2 Example of screen dis...

Страница 9: ...ensor NTC 10K with 3m cable Dimensions H x W x D 170 x 190 x 53 mm Tab 1 Specifications Temperature sensor S1 S5 with 2 arrays NTC 20K Temperature sensor S2 S8 NTC 10K T C R k Ω T C R k Ω T C R k Ω T C R k Ω 20 198 4 60 4 943 60 3 243 10 112 4 70 3 478 70 2 332 0 66 05 80 2 492 0 35 975 80 1 704 10 40 03 90 1 816 10 22 763 90 1 262 20 25 03 100 1 344 20 14 772 100 0 95 30 16 09 110 1 009 30 9 786 ...

Страница 10: ...ns This device complies with the applicable EN requirements Observe the following regulations and guidelines B Local regulations and requirements of the electricity supplier concerned B Commercial industrial codes and regulations and fire regulations ...

Страница 11: ... bottom of the programmer and remove the cover B Locate top slot in programmer over top screw B Mark bottom fixing holes Æ Fig 3 Item 2 drill holes and insert plugs B Align the programmer and fix in place using the left and right fixing holes at the bottom Fig 3 Mounting the programmer on a wall 1 Top fixing hole 2 Bottom fixing holes CAUTION Risk of injury and damage to the casing if incorrectly ...

Страница 12: ...2 1 Description of function Valve de energised closed Passage from I to III is clear The position indicator in only just visible Æ Fig 4 Fig 4 Position indicator when valve is de energised CAUTION risk of damage to valve and system B Observe the connection markings on the valve The valve positioner must not face downwards B Use spanner on union nuts not on valve body 6720613626 03 1 SD ...

Страница 13: ...indicator when valve is energised As soon as the power to the motorised 3 way valve is switched off it connects through to III again The repositioning time is once again approx 3 minutes Opening valve manually In order to fill bleed or drain the system the valve can be opened manually B Remove the valve positioner This allows the fluid to flow from I to II Fig 6 Removing the valve positioner 67206...

Страница 14: ...0 50 bar 55 kPa Max static pressure 8 6 bar 860 kPa Union size R1 Max flow temperature 100 C Kvs rating 6 5 Voltage 230 V 50 Hz Max ambient temperature 5 to 50 C Tab 3 Specifications 2 kg h MS q 10 2 3 4 5 6 7 8 3 10 2 3 4 5 6 7 8 4 10 m 2 10 2 3 4 5 6 7 8 9 3 10 2 3 4 5 6 7 8 9 4 10 2 3 4 5 6 8 5 10 2 3 4 5 6 7 8 3 10 10 6720613626 01 1 SD D p mbar DV D p Pascal DV ...

Страница 15: ...ding on the return temperature Fig 8 Valve for return boost 1 Combination cylinder 2 TDS 300 solar heating programmer HR Heating system return KR Boiler return DWU Motorised 3 way diverter valve B Fit 3 way motorised valve in return pipe between reserve cylinder or combination cylinder Æ Fig 8 Item 1 and boiler according to the table below Mark Connection I From heating system return II To cylinde...

Страница 16: ...e switching conditions and cylinder priority Æ Section 9 5 18 page 68 Fig 9 Valve for cylinder selection 1 Solar system cylinder 2 Cylinder C 3 TDS 300solar heating programmer B Fit 3 way motorised valve in the flow pipe of the solar system according to the table below Mark Connection I From collector array flow II To cylinder C III To solar system cylinder Tab 5 Connection markings on valve I I I...

Страница 17: ...t volumetric flow meter below the solar heating centre in the solar system return Fig 11 Item 1 Pay attention to direction of flow and fitted position meter dial must not face downwards B Fix temperature sensor for solar system return Fig 11 Item 2 with jubilee clip supplied B Fix temperature sensor for solar system flow Fig 11 Item 3 with jubilee clip supplied Number of collectors Rated volumetri...

Страница 18: ...erature sensor B Wire up electrical connections as shown in Section 5 The heat meter is used only to check system function It is not capable of metering to EN 1434 or determining yield Calculation of yield requires a device with a calibration certificate optional accessory usage data water volume room heating heat requirement weather data and system simulation 6720613732 07 1 SD 1 2 3 ...

Страница 19: ...nly as much as required B To avoid sharp edges cut out the cable entries with a knife Æ Fig 12 B Secure cables with the appropriate cable grips Æ Fig 12 Item 2 The cable grip can also be fitted with the concave side facing out Æ Fig 12 Item 1 Fig 12 Feeding in and securing cables 1 Cable grip reversed 2 Cable grip 3 Cable entry from below 4 Cable entry from the rear 5 Fuse 2 5 A slow 2 off DANGER ...

Страница 20: ...s For the 230 V connection use a cable of at least type H05 VV NYM Ensure that structural fire safety features are not impaired The leads from the motorised 3 way diverter valves shown in the configuration diagrams must be connected as follows brown R blue N yellow and green Earth Only connect pumps to the outputs R1 and R2 speed control on these connections only Motorised valves with OPEN CLOSE c...

Страница 21: ...rmal disinfection p Pump v Valve 5 3 1 Example 1 Configuration diagram 1 ACD p v Æ page 38 in its basic configuration means 5 3 2 Example 2 Configuration diagram 2 CD p p Æ page 44 in its basic configuration means Standard system solar water heating 1 2nd collector array east west rule A High low priority system with multiple heat consumers C External heat exchanger D Heat consumers controlled by ...

Страница 22: ... disinfection option S1 Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor option S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S7 S8 S1 R3 S3 S2 6720613732 11 1 SD S1 S2 S3 S4 S5 S6 S7 S8 I9 L N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5 L3 N3 L4 N4 L5 N5 ...

Страница 23: ...ature sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor option S5 Temperature sensor TA collector FSK array 2 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S1 R2 S5 S2 S8 S7 R3 S3 6720613732 12 1 SD S1 S2 S3 S4 S5 S6 S7 S8 I9 L N R1 N1 R2 N2 R3 R3...

Страница 24: ...ensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor S4 Cylinder B bottom temperature sensor TB S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S1 R3 S3 S2 S4 S8 S7 7747006072 08 1 SD S1 S2 S3 S4 S5 S6 S7 S8 I9 L N R1 N1 R2 N2 R3 R3 R4 R4 R5 R5 L3 N3 L4 N4 L5 N...

Страница 25: ...sor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor S4 Cylinder B bottom temperature sensor TB S5 Temperature sensor TA collector FSK array 2 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S1 R3 R2 S5 S3 S2 S4 S8 S7 7747006072 09 1 SD S1 S2 S3 S4 S5 S6 ...

Страница 26: ... collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C top temperature sensor option S4 Cylinder C bottom temperature sensor TC S6 Solar cylinder top temperature sensor option S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R2 S2 S8 S7 S1 S4 R3 R1 6720613732 01 1 SD S3 S6 S1 S2 S3 S4 S5 S6 S7 S8 I9 L...

Страница 27: ...nsor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C top temperature sensor option S4 Cylinder C bottom temperature sensor TC S6 Solar cylinder top temperature sensor option S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S2 S6 S8 S7 S1 S4 R3 6720613732 02 1 SD S3 R4 S1 S2 S3 S4 S5 S6 S7 ...

Страница 28: ... collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C top temperature sensor option S4 Cylinder C bottom temperature sensor TC S5 Temperature sensor TA collector FSK array 2 S6 Solar cylinder top temperature sensor option S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S2 S6 S8 S7 S5 S4 R...

Страница 29: ...1 Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor required for shutdown at 95 C S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S7 S8 S1 R3 S2 R2 R5 S6 S3 6720613732 13 1 SD S1 S2 S3 S4 S5 S6 S7...

Страница 30: ...erature sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor required for shutdown at 95 C S5 Temperature sensor TA collector FSK array 2 S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Heat meter WMZ return temperature sensor option WMZ Heat meter option WMZ R1 S1 R4 S5 S2 S8 S7...

Страница 31: ... Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor S4 Cylinder B bottom temperature sensor TB S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S1 R3 S3 S2 S4 S8 S7 7747006072 29 1 SD R2 S6 R5 S1 S2...

Страница 32: ...rature sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Solar cylinder top temperature sensor S4 Cylinder B bottom temperature sensor TB S5 Temperature sensor collector FSK array 2 S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S1 R3 S3...

Страница 33: ...T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C bottom temperature sensor TC S4 Cylinder C top temperature sensor required for shutdown at 95 C S5 Solar cylinder top temperature sensor option S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option S1 S2 S...

Страница 34: ...ing system option S1 Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Swimming pool temperature sensor S4 Solar cylinder middle temperature sensor option S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option S3 R4 S2 S6 S7 S1 R1 R2 R5 7747006072 ...

Страница 35: ... sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C bottom temperature sensor TC S4 Cylinder C top temperature sensor required for shutdown at 95 C S5 Solar cylinder top temperature sensor option S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option...

Страница 36: ...nti icing system option S1 Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Swimming pool temperature sensor S4 Solar cylinder middle temperature sensor option S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ 5 R1 S2 S3 S8 S7 R5 S1 R4 R2...

Страница 37: ...re sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C bottom temperature sensor TC S4 Cylinder C top temperature sensor required for shutdown at 95 C S5 Temperature sensor TA collector FSK array 2 S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat met...

Страница 38: ...S1 Temperature sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Swimming pool temperature sensor S4 Solar cylinder middle temperature sensor option S5 Temperature sensor TA collector FSK array 2 S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option W...

Страница 39: ...r FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Solar cylinder top temperature sensor option S6 Solar cylinder middle temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ 5 R1 S2 S4 S3 S6 S8 S7 R5 S1 7747006072 10 1 SD S1 S2 S3 S4 S5 S6 S7 S8 I9 L N R1 N1 R...

Страница 40: ...bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Solar cylinder top temperature sensor option S5 Temperature sensor TA collector FSK array 2 S6 Solar cylinder middle temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ S8 5 R1 S2 S4 S3 S6 S7 R2 R5 S1 S5 7747006072 11 1 SD S1 S2 S3 ...

Страница 41: ...FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Solar cylinder top temperature sensor option S5 Cylinder C bottom temperature sensor TC S6 Cylinder C top temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R2 S2 S4 S3 S6 S8 S7 R5 S1 S5 R3 R1 7747006072 15 1 ...

Страница 42: ...llector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Solar cylinder top temperature sensor option S5 Cylinder C bottom temperature sensor TC S6 Cylinder C top temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S2 S4 S3 S6 S8 S7 R5 S1 R4 S5 R3 77470060...

Страница 43: ...perature sensor T1 collector FSK array 1 S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Cylinder C bottom temperature sensor TC S5 Temperature sensor TA collector FSK array 2 S6 Cylinder C top temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ 5 R1 S2 S3 S6 S8...

Страница 44: ...perature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Temperature sensor TD external heat exchanger S5 Cylinder C bottom temperature sensor TC S6 Cylinder C top temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option S2 S3 S6 S7 R5 S1 S5 S1 S2...

Страница 45: ...Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Temperature sensor TD external heat exchanger S5 Cylinder C bottom temperature sensor TC S6 Cylinder C top temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WMZ R1 S2 S3 S6 S8 S7 R...

Страница 46: ...emperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Temperature sensor TD external heat exchanger S5 Swimming pool temperature sensor S6 Solar cylinder middle temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option 5 R4 S2 S5 S7 R3 S1 R2 S...

Страница 47: ...Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Heating return temperature sensor T4 S4 Temperature sensor TD external heat exchanger S5 Swimming pool temperature sensor S6 Solar cylinder middle temperature sensor T3 S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option S3 R5 WMZ 5 R1 S2 S5 S8...

Страница 48: ...r 2 selection S1 Temperature sensor T1 collector FSK S2 Solar cylinder bottom temperature sensor T2 S3 Cylinder C bottom temperature sensor TC S4 Solar cylinder top temperature sensor option S5 Swimming pool temperature sensor S6 Temperature sensor TD external heat exchanger S7 Flow heat meter WMZ temperature sensor option S8 Return heat meter WMZ temperature sensor option WMZ Heat meter option WM...

Страница 49: ...emperatures hours of operation etc 7 Valve symbol black open outlet 8 Active configuration diagram Control Symbol Functions Rotary selector can be turned and pressed Selecting system settings View level Selecting starting and saving functions Main Expert menu Changing and saving settings Main Expert menu Menu button Opening submenus Main Expert menu Back button Returning to higher menu level Rever...

Страница 50: ... status Heat meter Flow temperature C Return temperature C Heat usage cumulative kWh Heat usage current 24 hour period kWh d Heat exchanger anti icing system Flow temperature C Hours of operation cumulative h Hours of operation current 24 hour period h d Other functions Shows other active functions Possible indications display flashes when function is active Evacuated tube collector Mediterranean ...

Страница 51: ...suit the specifics of the solar heating system Æ Section 9 page 55 An overview of the Expert menu functions can be found on page 55 Status display Cylinder maximum temperature The cylinder maximum temperature is displayed if the set limit is exceeded Collector minimum temperature The collector minimum temperature is displayed if the temperature drops below the set limit Collector maximum temperatu...

Страница 52: ...ation and operating instructions for the solar pump station WARNING risk of damage to pump if allowed to run dry B Make sure that the solar heating system is filled with heat transfer fluid Æ installation and maintenance instructions for solar heating centre WARNING commissioning when there is frozen water or vaporisation in the solar heating system can damage the system B Shield the collectors fr...

Страница 53: ...ge turn the rotary selector B To save the setting press the rotary selector B Use the rotary selector to select the time B To change the time turn the rotary selector separately for hours and minutes B To save the setting press the rotary selector separately for hours and minutes Switch to View level by turning the rotary selector Subsequent changes can be made from the Expert menu Tab 10 Basic se...

Страница 54: ... than 60 seconds the programmer exits the main menu B Press the button to switch to the Main menu B Use the rotary selector to select the required heat consumer B To change the maximum temperature press the rotary selector temperature starts flashing B To change the setting turn the rotary selector B To save the new setting press the rotary selector B To exit the Main menu press the Back button Se...

Страница 55: ... standard DHW system configuration diagrams 58 Basic system 2 Back up heating configuration diagrams 58 Settings 1 Standard system pump SP collector temperatures type 62 2 Back up heating valve DWU1 65 A 2nd collector array pump PA 66 B Recharge system pump PB 67 C Priority secondary pump PC valve DWUC DWU3 68 D External heat exchanger pump PD anti icing system cylinder top temperature limiter val...

Страница 56: ...ess the rotary selector to confirm B To change the language press the rotary selector again language starts flashing B Turn the rotary selector to select the new language B To save the setting press the rotary selector B To return to the next menu up press the button Setting range Default setting New setting German English English menu Advanced menu Language Time System config Settings Start solar...

Страница 57: ...irm B To change the hours press the rotary selector hours start flashing B To change the hours setting turn the rotary selector B To change the minutes press the rotary selector minutes start flashing B To change the minutes setting turn the rotary selector B To save the setting press the rotary selector B To return to the next menu up press the button menu ok Advanced menu Language System config ...

Страница 58: ...basic system B Turn the rotary selector to select Basic system and press the rotary selector to confirm name of basic system starts flashing B To change the basic system turn the rotary selector B To save the setting press the rotary selector Within each basic system there are various choices of configuration diagram for the solar heating system The precise designations and layouts of all configur...

Страница 59: ...option and press the rotary selector to confirm configuration diagram no starts flashing B To select the desired configuration diagram turn the rotary selector B To save the setting press the rotary selector B To return to the next menu up press the button Setting range Default setting New setting 2 0 2 A 2 C pp 2 0 ok System config System option 2 0 ok ...

Страница 60: ...ation diagram Page Function Cooling function Thermal disinfection Heat exchanger anti icing system 1 0 22 X S1 S2 X S2 S3 1 A 23 X S1 S2 S5 X S2 S3 1 B 24 X S1 S2 X S2 S3 S4 1 AB 25 X S1 S2 S5 X S2 S3 S4 1 C p p 26 X S1 S2 S4 X S2 S3 S4 1 C p v 27 X S1 S2 S4 X S2 S3 S4 1 AC p v 28 X S1 S2 S4 S5 X S2 S3 S4 1 D 29 X S1 S2 X S2 S3 X S6 1 AD 30 X S1 S2 S5 X S2 S3 X S6 1 BD 31 X S1 S2 X S2 S3 S4 X S6 1...

Страница 61: ... 42 X S1 S2 S5 X S2 S4 2 AC p v 43 X S1 S2 S4 S5 X S2 2 CD p p 2 cylinders 44 X S1 S2 S5 X S4 2 CD p v 2 cylinders 45 X S1 S2 S5 X S4 2 CD p p swimming pool 46 X S4 2 CD p v swimming pool 47 X S4 2 CD p v v 48 X S6 Configuration diagram Page Function Cooling function Thermal disinfection Heat exchanger anti icing system Tab 12 Additional functions and temperature sensors required ...

Страница 62: ...up press the button 9 5 1 Pump SP cut in temperature differential Menu Expert menu Settings 1 Standard system SP pump switch on temp differential If the set cut in temperature differential ΔT between the bottom of the solar cylinder and collector array is reached and all conditions for switching on are met the solar system pump starts up When the cut in temperature differential for pump SP is alte...

Страница 63: ... 3 K 9 5 3 Maximum collector temperature Menu Expert menu Settings 1 Standard system Maximum collector temperature If the maximum collector temperature is exceeded the solar system pump is switched off or not switched on 9 5 4 Minimum collector temperature Menu Expert menu Settings 1 Standard system Minimum collector temperature If the temperature falls below the minimum collector temperature the ...

Страница 64: ...s 1 Standard system SP pump modulation This setting determines the minimum speed of the solar system pump In systems with external heat exchanger and 2 heat consumers or systems with external heat exchanger and 2nd collector array pump SP is always run at 100 The minimum pump speed of pumps SP and PD is always the same for the configurations 1 D or 1 BD If the setting for one of the pumps is chang...

Страница 65: ...ed pump runs whenever the conditions for switching on are met Selecting the option On activates the pump on Selecting the option Off deactivates the pump 9 5 9 Return boost cut in temperature differential Menu Expert menu Settings 2 Back up htg DWU1 valve switch on temp differential When the set cut in temperature differential between the reserve cylinder and the heating system return is reached t...

Страница 66: ...fluid to flow from I to II when the conditions for doing so are met If the option On is selected the valve allows fluid to flow from I to II If the option Off is selected the valve allows fluid to flow from I to III 9 5 12 Pump PA speed control Menu Expert menu Settings A 2nd collector array PA pump speed control The speed control function improves the efficiency of the solar heating system by kee...

Страница 67: ...u Settings B Recharge system PB pump switch on temp differential If the set cut in temperature differential ΔT is reached and all conditions for switching on are met pump PB starts up The minimum difference from the cut out temperature differential is 3 K 9 5 16 Pump PB cut out temperature differential Menu Expert menu Settings B Recharge system PB pump switch off temp differential If the temperat...

Страница 68: ...the high priority heat consumer reaches its cut in temperature differential it is charged until it reaches its maximum temperature If it reaches its cut in temperature differential while the low priority heat consumer is being charged charging of the low priority heat consumer is interrupted until the high priority heat consumer has been charged to its maximum temperature If only one of the cylind...

Страница 69: ...nction 9 5 21 Pump PC Valve DWUC operating mode Menu Expert menu Settings C Prio sec prio PC pump DWUC valve operating mode In Auto mode the connected pump runs whenever the conditions for switching on are met Selecting the option On switches the pump on Selecting the option Off deactivates the pump In Auto mode the valve allows fluid to flow from I to II when the conditions for doing so are met I...

Страница 70: ...em by keeping the temperature difference within the set cut in temperature differential 9 5 24 Pump PD modulation Menu Expert menu Settings D Ext heat exchanger PD pump modulation This setting determines the minimum speed of the pump for the 2nd collector array The minimum pump speed of pumps SP and PD is always the same for the configurations 1 D or 1 BD If the setting for one of the pumps is cha...

Страница 71: ...ger again Fit the bypass valve so that the fluid flow is directed through the external heat exchanger when the valve is de energised and bypasses the heat exchanger when the valve is energised 9 5 26 Cylinder top temperature limiter Menu Expert menu Settings D Ext heat exchanger Temperature limiter top cylinder The purpose of the temperature limiter is to prevent the cylinder connected to the exte...

Страница 72: ...to ensure domestic hot water hygiene If the required temperature has not been reached by the heat from the solar system over the past 24 hours the water in the cylinder is circulated by a pump This ensures that the entire contents of the cylinder are heated up by the supplementary heating system Afterwards the pump for the heat exchanger if present starts up so as to include that circulation syste...

Страница 73: ...red hysteresis 5 K The programmer for the standby cylinder must be set so that domestic hot water takes priority Thermal disinfection of the preheating stage must be scheduled for times without hot water demand 9 5 30 Thermal disinfection target temperature Menu Expert menu Settings E Therm disinfection Target temp This setting determines the temperature for thermal disinfection 9 5 31 Thermal dis...

Страница 74: ...pulse litre and the difference between the flow and return temperatures The heat usage for the current twenty four hour period can also be viewed When a heat meter is used the glycol content must be set 9 5 34 Glycol content Menu Expert menu Settings Solar yield Glycol content In order to obtain accurate readings from the heat meter the glycol content of the heat transfer fluid must be specified 9...

Страница 75: ...0 K below collector maximum temperature the solar pump starts up and runs until the collector has cooled down by 10 K The solar pump then switches off and the collector heats up again When the cylinder maximum temperature is reached the solar pump switches off and the cooling function is stopped The cooling function can not be activated if the evacuated tube collector option is active or a configu...

Страница 76: ... active the cut in temperature can be changed When the cut in temperature is reached the solar pump switches on The minimum difference from the cut out temperature is 2 K 9 5 39 Mediterranean climate function cut out temperature Menu Expert menu Settings S Europe function Switch off temp When the Mediterranean climate function is active the cut out temperature can be changed When the temperature i...

Страница 77: ...pert menu press and hold the button for 5 seconds B Turn the rotary selector to select Start solar system and press the rotary selector to confirm B To change the setting press the rotary selector again setting starts flashing B To change the setting turn the rotary selector B To save the new setting press the rotary selector B To return to the next menu up press the button Setting range Default s...

Страница 78: ...lector B To save the new setting press the rotary selector B To return to the next menu up press the button Resetting to the default settings removes all individual settings so that they then have to be re entered Setting range Default setting New setting Yes No No WARNING setting the wrong operating mode can damage the system B Select the appropriate configuration diagram Æ Section 9 1 page 55 B ...

Страница 79: ...are switched off Temperature sensor not incorrectly connected Check sensor connections Check temperature sensors for breakages or incorrect positioning Temperature sensor or sensor lead defective Replace temperature sensor Check sensor lead Sensor short circuit S1 S8 Associated components pumps valves are switched off Temperature sensor or sensor lead defective Replace temperature sensor Check sen...

Страница 80: ... Collector connections reversed The collector temperature drops 10 K within 15 seconds of switching on Collector connections reversed Fit flow and return pipes correctly Gravity fed circulation at night Expert menu Settings The cut in temperature differential for pump SP is reached between 22 00 and 6 00 Gravity feed restrictor opened manually or defective Check gravity feed restrictor Indication ...

Страница 81: ... temperature is close to or above the set maximum collector temperature When the temperature drops 5 K below the maximum collector temperature the pump switches on There is no electrical power to the pump or it is not connected Check the line Cooling function active The programmer checks which cylinder can be charged only in systems with two cylinders Pump is faulty Check pump and replace if neces...

Страница 82: ...is too hot risk of scalding Cylinder temperature limit and hot water blending valve are set too high Set the cylinder temperature limit and hot water blending valve to a lower setting Domestic hot water too cold or hot water flow rate too slow Domestic hot water temperature is set too low on boiler control on heating programmer or on hot water blending valve Set temperature according to the approp...

Страница 83: ...83 6 720 644 593 2010 04 Notes ...

Страница 84: ...1905 752571 LITERATURE 0844 892 9800 TRAINING 01905 752526 SALES 01905 752640 WEBSITE worcester bosch co uk Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 0844 892 9900 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd worcester bosch co uk 6 720 644 593 ...

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