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User Manual

THR850S One Channel

7 Day Timeswitch

50051986-002 Rev.A

Summary of Contents for resideo THR850S

Page 1: ...User Manual THR850S One Channel 7 Day Timeswitch 50051986 002 Rev A...

Page 2: ...llation to avoid possible personal injury or equipment damage DISCONNECT ELECTRIC POWER BEFORE INSTALLATION Can cause electrical shock or equipment damage DISPOSAL AND RECYCLING Waste electrical produ...

Page 3: ...ogramme schedules 8 To adjust programme schedules 9 Special functions Temporary schedule overrides 10 Extra Hour 11 Holiday mode 12 Advanced features 13 Installation and setup System installation 14 W...

Page 4: ...the week can be programmed separately see pages 8 12 One touch comfort control Allows you to override programmed settings at any time by turning your heating system on or off or by extending an on per...

Page 5: ...on see page 12 Press to extend heating time see page 11 Press to override heating programme see page 10 Light is on when heating system is on Slider set to RUN except during programming Mode button se...

Page 6: ...e to set month year and time Date and time are set at the factory and should not need to be changed unless you turn off the automatic daylight savings feature see pages 21 22 TIP While setting the tim...

Page 7: ...he heating system turning it on and off at preset times during the day see page 8 Once In this mode the heating is turned on at the first programmed On time of the day and remains on until the last pr...

Page 8: ...likely to be needed The preset schedule is shown below To change it see pages 9 12 See also two alternate schedules on page 23 To run this schedule as shown below or as you ve modified it leave the MO...

Page 9: ...any time move slider to RUN SHORTCUT While programming press the COPY DAY button to copy settings for the current day and apply them to other days For example you can apply Monday settings to other da...

Page 10: ...s only when the MODE is set to Auto or Once see page 7 This change is temporary It does not change the daily programme schedule which will resume at the next programmed On or Off time period NOTE See...

Page 11: ...ess EXTRA HOUR once or more to extend heating times This button works only when the MODE is set to Off Auto or Once see page 7 This change is temporary It does not change the daily programme schedule...

Page 12: ...ess the HOLIDAY button 2 Press or to select the number of days you will be away up to 99 days then press OK to save and exit The display shows the date you will return and counts down the number of ho...

Page 13: ...ngs per day 3 periods on 3 periods off You can reduce this to 4 time settings if desired See page 22 Seasonal time change The clock automatically changes in spring and autumn to correspond with change...

Page 14: ...eswitch 3 Connect system wiring 4 Restore electrical power 5 Configure system operation System wiring NOTE If you are not experienced in equipment installation and electrical wiring we recommend that...

Page 15: ...elect a mounting location about 1 2 to 1 5 metres from the floor where the display can be seen clearly in an area where the ambient temperature is between 0 and 40 C Install the wall bracket as shown...

Page 16: ...ion box Pull wiring through the wall bracket and connect to screw terminals as shown on page 17 1 Make sure electrical power is off 2 Install wall bracket as shown at left 3 Connect system wiring as s...

Page 17: ...ws 4 Replace timeswitch on wall bracket tighten screws then restore electrical power NOTES 1 Keep AC mains supply load cables separate from equipment wiring 2 This unit is for fixed wiring only 3 A sw...

Page 18: ...tat BOILER N L 1 2 3 4 3 A MAX L N Clock A B N L T1 T2 BOILER THR850S 230 Vac connection Potential free connection Note 1 If normal mains voltage is required link terminals L and 1 Note 2 This is a Cl...

Page 19: ...the receiver MUST have permanent mains power from the fused spur to operate correctly Note 2 If normal mains voltage is required link terminals L and 1 Note 3 This is a Class II device i e double insu...

Page 20: ...N L 1 2 4 ST9100A ST9100C N L 1 2 4 ST7000B L 2 3 If you are replacing the ST7000B a permanent mains supply must be provided for the THR850S timeswitch and terminal L must be linked to terminal 1 If y...

Page 21: ...enter installer setup mode and continue 3 Press OK repeatedly to scroll through functions until you find one you want to change 4 Press the or buttons to change any setting then press OK to save the...

Page 22: ...l switch to from daylight savings time 4 1 day or 5 2 day or 7 day operation 1 1 day operation 5 5 2 day operation 7 7 day operation 5 Daily time periods 2 2 on 2 off time periods per day 3 3 on 3 off...

Page 23: ...mme schedules In case of difficulty In addition to the default programme schedule shown on page 8 you can set the system to run either of the schedules shown below Either schedule can be changed as de...

Page 24: ...www resideo com bk electronic GmbH Hardhofweg 40 74821 Mosbach Germany Country of origin UK 2019 Resideo Technologies Inc This product manufactured by Resideo and its affiliates The Honeywell Home tr...