Worcester Greenstar Sense I Installation And Operation Manual Download Page 17

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Troubleshooting

6 720 648 748 (2014/03)

A61
...
A64

3091
...
3094

Room temperature sensor of the Sense I defective (A61/
3091: heating circuit 1, ..., A64/3094: heating circuit 4).

▶ Replace faulty Sense I.

Fill

The operating pressure of the heating system is too low.

▶ Top up the heating water (no installer needed, please refer to

the technical documentation of the boiler)

Fault

code

Sub-

code

Possible causes and
assistance from the contractor

Summary of Contents for Greenstar Sense I

Page 1: ...UK IE Installation and Operation Manual Operating unit Greenstar Sense I 6 720 648 748 00 1O Intelligent Wired Room Thermostat 6 720 648 748 2014 03...

Page 2: ...ical specifications 6 2 3 Function as room temperature dependent controller 6 2 4 Function as zone controller 6 2 5 Function as an intelligent room thermostat 7 3 Old electrical and electronic applian...

Page 3: ...instructions Do not connect the Sense I to the 230 V mains BeforeinstallingtheSense I electricallyisolatetheheatsourceandallotherBUS units from the power supply and secure against unintentional recon...

Page 4: ...vel controls For additional time control of the zones a Sense II can be used instead of a Sense I combination of 1 Sense II and a maximum of 2 Sense I with a wiring module Room thermostat in systems w...

Page 5: ...n of packages of combination heater 1 2 2 Contribution to seasonal space heating energy efficiency in Sense I Load Compensation Modulating room thermostat for use with odulating heaters Electronic roo...

Page 6: ...y be not available Flow temperature control The flow temperature changes according to the deviation between the current and required room temperature This method of control is suitable for major load...

Page 7: ...4 heating circuits with a dedicated Sense I room control on each without using a wiring module The time program is determined by the higher level control e g Sense II At the Sense I the required room...

Page 8: ...ired room temperature Press control knob to briefly show the required room temperature flashing Service display maintenance required further information Service guide Press the control knob to switch...

Page 9: ...t the required room temperature Press the control knob to apply the setting Switch off the heating system Result Turn the control knob anti clockwise to reduce the required room temperature until OFF...

Page 10: ...Fig 4 Installing wall base Electrical connection Power is supplied to the user interface via the BUS cable The polarity of the wires is irrelevant Maintain a minimum clearance 100 mm between each of t...

Page 11: ...e cables min clearance 100 mm If more than 2 Sense I are going to be installed a wiring module may be required dependent upon the heat source Iftheconductorcross sectionsaredifferent usethejunctionbox...

Page 12: ...ure is displayed and Sense I works as a zone controller Room controller systems with one heating circuit Switch system ON reset Sense I The Display shows 3 dashes until the connection to the boiler is...

Page 13: ...rfloor heating system and low operating temperature E 1 3 0 0 0 3 0 If the room temperature displayed by the Sense I is wrong correct the deviation up to 3 C3 3 Temporarily place an appropriate thermo...

Page 14: ...ing circuit allocation Operation The following tables contain examples of how to change a value in the service menu Opening the service menu Result Press and hold control knob until two dashes appear...

Page 15: ...Remedy The required room temperature has not been achieved Airlock Bleed radiators and vent the heating system Time program for the heating circuit Adjust time program on the higher level control e g...

Page 16: ...ne controller If no higher level control and only one heating circuit is installed set A 1 CO controller A22 A24 1001 BUS signal from the higher level control for remote heating control is missing A22...

Page 17: ...1 3091 heating circuit 1 A64 3094 heating circuit 4 Replace faulty Sense I Fill The operating pressure of the heating system is too low Top up the heating water no installer needed please refer to the...

Page 18: ...18 6 720 648 748 2014 03 Notes...

Page 19: ...19 6 720 648 748 2014 03...

Page 20: ...59 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd worcester bosch co uk 6 720 648 748 WORCESTER BOSCH GROUP TECHNICAL SUPPORT 0330 123 3366 APPOINTMENTS 0330 123 9339 SPARES 0330...