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.
• 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...
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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.
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...
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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.
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.
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• 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.
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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.
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• 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. •...
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• 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.
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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.
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.
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...
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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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