Timeguard NTT08 Installation & Operating Instructions Manual

Timeguard NTT08 Installation & Operating Instructions Manual

7 day digital time switch

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7 Day Digital
Time Switch
Model: NTT08

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Summary of Contents for Timeguard NTT08

  • Page 1 7 Day Digital Time Switch Model: NTT08...
  • Page 2: General Information

    1. General Information These instructions should be read carefully and retained for further reference and maintenance. 2. Safety • Before installation or maintenance, ensure the mains supply to the time switch is switched off and the circuit supply fuses are removed or the circuit breaker turned off.
  • Page 3: Installation

    • CE Approved Note: Not suitable for use with Discharge Lighting. The LED switching capabilities of this product can be increased to 200W by the addition of the Timeguard ZV900 Automatic switch load controller – sold separately. Power LED Output Illuminated...
  • Page 4 or water/gas pipes that may be hidden beneath the surface. Insert the rawl plug into the hole. • Fix the top mounting screw and leave 2.5mm proud off of the wall. • Place the key hole in the top of the product, over the screw head, and slide down.
  • Page 5: Connection Diagram

    5. Connection Diagram • The terminals are marked as follows on the bottom of the wall plate; 230V 50Hz L1 E Mains Supply Load Wiring as marked on the terminals – Left to right Live Supply (Brown or Red) to Neutral Supply (Blue or Black) to Neutral Load to immersion heater (Blue or Black) to...
  • Page 6 6. Battery • The time switch has a factory fitted rechargeable battery to give clock operation and programme memory back up during loss of mains supply. • Before programming for the first time, connect the unit to the mains for at least 15 minutes prior to pressing the Rst button and programming the unit.
  • Page 7: Setting The Clock

    8. Setting the clock • Press and hold the Time button for 3 seconds, the word Hold will show on the screen. • After 3 seconds release the Time button and the screen will show the year; • Use the Adv/Ovr to increase (or the Boost buttons to decrease) the value and set to the correct year.
  • Page 8 • The display should now show the correct time/day of the week, for example; Modifying the date and time of day Normally the only change required will be to the time of day minutes, in which case; • Press and hold the Time button for 3 seconds, the word Hold will show on the screen.
  • Page 9 9. Programming ON/OFF times The NTT08 has 4 independent On/Off periods available for programming each day. There is a choice of programming options, including 7 days the same (24 hours), 5 + 2 days (where the weekdays are the same, and the two weekend days are the same), and 7 individual days.
  • Page 10 • Use Adv/Ovr or Boost button to set the hour for the first ON period. • Press the Prg button once to set and move you to the minutes. • Use Adv/Ovr or Boost button to set the minutes for the first ON period. •...
  • Page 11 • The display will now show the correct time and day as per this example; • At this stage the output ON/OFF indicator (as in the above image) may not reflect the current programme status accurately. • If the time switch should be OFF now, leave as it is.
  • Page 12 Programming across midnight • Enter the required programme 1 ON time. • Set the programme 1 OFF time to 00:00 (i.e. midnight). • Set the programme 2 ON time to 00:00 as well. • Enter the required programme 2 OFF time for the next day.
  • Page 13: Boost Button

    10. Advance/Override button In normal operating mode the Adv/Ovr button advances the programme to the next time change. • If the output is currently OFF, it will change the output to ON ADVANCE, until the next programmed OFF time. • If the output is currently ON, it will change the output to OFF ADVANCE, until the next programmed ON time.
  • Page 14: Year Guarantee

    020 8450 0515. Note: A proof of purchase is required in all cases. For all eligible replacements (where agreed by Timeguard) the customer is responsible for all shipping/postage charges outside of the UK. All shipping costs are to be paid in advance...
  • Page 16 If you experience problems, do not immediately return the unit to the store. Telephone the Timeguard Customer Helpline; HELPLINE 020 8450 0515 or email helpline @ timeguard.com Qualified Customer Support Co-ordinators will be on-line to assist in resolving your query.

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