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Worcester DT20RF Instruction Manual

Other manuals for DT20RF: Instruction Manual
Manual is about: DIGISTAT - Radio frequency controlled room thermostat with twin channel digital programmer

Summary of DT20RF

  • Page 1

    Dt20rf programmer digistat - radio frequency controlled room thermostat with twin channel digital programmer for greenstar cdi, greenstar i junior and greenstar si models also greenstar i system and greenstar cdi system model (only when used with the optional integral diverter valve) instruction man...

  • Page 2

    Manual information please read these instructions carefully before starting these instructions are applicable to the worcester bosch model(s) stat- ed on the front cover of this manual only and must not be used with any other make or model these instructions apply in the uk only and should be follow...

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    Table of contents technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 digistat room thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . .3 general information . . . . . . . . . . . . . . . . . . . . . . . . . . .3 advanced settings . . . . . . ....

  • Page 4

    Ec directives: european union law directive 2000/84/ec low voltage directive (2006/95/ec) electro-magnetic compatibility directive (89/336/eec) ec marking directive (93/68/eec) standard package: programmable / rf receiver remote rf transmitter screws (x2) wall plugs (x2) instructions batteries (x2) ...

  • Page 5

    What is a room thermostat? A room thermostat simply switches the heating system on and off as necessary. It works by sens- ing the air temperature, switching on the heating when the air temperature falls below the thermo- stat setting, and switching it off once this set temperature has been reached....

  • Page 6

    Advanced features adjusting the setpoint using the preset temperature mode change the temperature at the press of a button, for example, if you are going out to the shops for an hour you can reduce the temperature to save energy and then when you press the button again on your return the setpoint wi...

  • Page 7

    2. If you want to set a new setpoint, just rotate the dial until your required setpoint is shown on the display. After a couple of seconds the display will change to show the current room temperature as shown. To change the user adjustable settings 1. To enter the user menu, press and hold the set b...

  • Page 8

    Changing the preset temperature 1. To adjust the “preset” temperature enter the user menu by pressing and holding the set button for more than 5 but less than 10 seconds. 2. Rotate the dial until pr is shown. 3. Press the set button and the display will show the current preset setting. 4. Rotate the...

  • Page 9

    Changing the maximum temperature setting 1. To adjust the “maximum” temperature enter the user menu by pressing and holding the set button for more than 5 but less than 10 seconds. 2. Rotate the dial clockwise until ‘hi’ is showing. 3. Then press the set button, the current setting is shown. 4. Rota...

  • Page 10

    Changing the minimum temperature setting 1. To adjust the “preset” temperature enter the user menu by pressing and holding the set button for more than 5 but less than 10 seconds. 2. Rotate the dial clockwise until lo is showing. 3. Then press the set button, the current setting is shown. 4. Rotate ...

  • Page 11

    Tamper proofing (all models) to tamper proof the product i.E. Prevent unauthorised adjustment of the product, set the min. And max. (hi and lo) temperatures to the same desired value using the procedures above. Fault diagnosis (all models) if the display shows e1, the following faults could have occ...

  • Page 12

    Central heating on light central heating select button, moves the indicator up and down to select mode and accepts changes central heating advance button: turns on until next off time or turns off until next on time press to adjust each program setting pre-heat select button, moves the indicator up ...

  • Page 13

    Central heating: 1. Press select button to choose off = constantly off timed = up to 3 on & 3 off time periods as program once = on from first on until third off time period as program on = constantly on 2. Press “advance” button: on = heating light on (heating demand stays on until next off time pe...

  • Page 14

    Note: the on/off periods pre-programmed for central heating and hot water pre-heat are shown in the table below. These factory installed settings can be used without any further programming of the receiver. The time and date are pre-programmed and should not require adjustment. If you need to restor...

  • Page 15

    Setting central heating (ch) mon - fri 1. Press set? Until set and prog? Are shown in the display. 2. Press ok to enter program. 3. Press ok to select mon-fri. 4. Press ok to select ch. Note: speed up the display by holding down the + or - buttons. 5. Press + or - to change the on time. 6. Press set...

  • Page 16

    Setting individual weekdays: note: if you do not require individual weekday times, then press set? Until set sat-sun are displayed and continue on the next page. If you do not wish to change the setting for the day displayed, then press set? Until the first day you want to change is displayed. Setti...

  • Page 17

    Setting central heating (ch) sat - sun: 1. Press ok to select weekend. 2. Press ok to select ch. Note: speed up the display by holding down the + or - buttons. 3. Press + or - to change the on time. 4. Press set? To set the on time and select the off time. 5. Press + or - to change the off time. 6. ...

  • Page 18

    Setting individual weekend days: note: if you do not require individual weekend day times, then press set? Until the normal display is shown. If you do not wish to change the settings for sat, then press set? To move to sun. Setting central heating (ch) individual week- end days: 1. Press ok to sele...

  • Page 19

    Setting holidays: 1. Press the set? Button until set and hday are displayed. 2. Press ok and the display shows 00. 3. Press + or - to set the number of days you require the system to be off. 4. Press set? Then hday is shown in the display and no demand for heating will be made from the programmer. T...

  • Page 20

    Setting the clock and time 1. Press the set? Button until set and clock are shown in the display. 2. Press ok to display 24hr and on. 3. Press + to switch between 24hr and 12hr display. 4. Decide between 24 hour or 12 hour display and press set? To select, now the hours will flash. 5. Press + or - t...

  • Page 21

    Setting the date: 1. Press the set? Button until set and date? Are displayed. 2. Press the ok button once, the year flashes on the display. 3. Press + or - to set the correct year, e.G. 07. 4. When the correct year has been chosen, press set? To select, now the month will flash. 5. Press + or - to s...

  • Page 22

    Clips cover panel screw tab blanking plate tab cover panel clips screw programmer danger: 230 volts do not touch the electrical components or circuits caution: isolate the mains electricity supply before starting any work observe all relevant safety precautions observe electro-static discharge preca...

  • Page 23

    Digistat / dt20rf receiver setting up the rf link digistat installation receiver set up: after initial start up, the colon, ch and antenna symbols should be flashing on the display. 1. Press the set? Button 4 times 2. Press the ok button once 3. Press the set? Button 4 times; lrn and off should be d...

  • Page 24

    Digistat installation digistat / dt20rf receiver setting up the rf link 6. Remove the batteries from the digistat and wait for the display to fade. 7 press and hold the ‘set’ button while re-inserting the batteries and keep the button depressed until the display shows ‘rf’. The digistat is now in co...

  • Page 25

    Digistat installation digistat / dt20rf receiver mounting the digistat 1. Loosen the single screw from the bottom of the transmitter using a small flat bladed screwdriver. 2. Carefully insert the screwdriver into the slot located at the back of the digistat near the top and very gently lever upwards...

  • Page 26

    Digistat installation digistat / dt20rf receiver to cancel signal strength mode to cancel signal strength mode: 1. Remove the batteries from the transmitter to cancel the constant transmission. 2. After a few seconds the receiver display will show ‘---’ . 3. Press ‘ok’ on the receiver display and th...

  • Page 27

    Digistat installation digistat / dt20rf receiver to check previously installed unit to check signal strength on previously installed and paired units : 1. Press the ‘set’ button 4 times. 2. Press ‘ok’ once. 3. Press the ‘set’ button 5 times. The display will show ‘ssi and off’. 4. Press the ‘+’ butt...

  • Page 28

    Digistat installation digistat / dt20rf receiver to check previously installed unit signal strength indicators transmitter code (may be different) led indicator shows different colour depending on signal strength (see table below) led indication chevrons rf strength green amber red none 4 3 2 1 very...

  • Page 29

    Digistat installation during normal operation the led on the receiver will flash red, approximately every 5 minutes. This denotes that a radio signal is being received from the transmitter. Digistat / dt20rf receiver normal operation dt20rf programmer instruction manual 8 716 115 495a (02.2009) oper...

  • Page 30

    Maintenance: the digistat rf room thermostat requires no maintenance. The outer casing can be wiped clean using a dry cloth. Do not use polish or detergents. These units can not be serviced. Should the existing units fail to function correctly, check that the: dt20rf receiver times and program setti...

  • Page 31

    8_716_115_495a 9/2/09 11:49 page 31.

  • Page 32

    Worcester, bosch group cotswold way, warndon, worcester wr4 9sw. Tel. 01905 754624 fax. 01905 754619 worcester-bosch.Co.Uk worcester, bosch group is a brand name of bosch thermotechnology ltd. 8 716 115 495a (02.2009) 06515058001 issb contact information worcester, bosch group: technical: 08705 2662...