Model: NTM02 7 Day Digital Timer Module Installation & Operating Instructions 7 Day Digital Time Switch
NTM02 – 7 Day Digital Timer Module Power LED Output LED Advance button 1 Programme button Illuminated screen Boost button Reset button Time button 1. General: This time switch is a compact and easy to use digital 7 day timer module. It can control outputs of up to 16A which makes it suitable for domestic immersion heaters. The NTM02 also has volt free contacts, making it suitable for a wider range of switching applications. Programming can be 7 day, 5 + 2, or 24 hour.
2. Features: 4 On/OFF switching programmes, which can be made to operate over all 7 days (24 hour operation), 5 weekdays 2 weekend days, or any individual day (7 day operation). Advance feature advances to next programmed operation. Boost feature provides 1 or 2 hour boost. Battery back up retains programmes and clock times during loss of mains. Option of automatic summer time update (ASCO). Shortest switching time of 1 minute. Programme review. 3.
. 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. If the display is not visible or very faint, charge for 4 hours prior to pressing Rst and programming. 5.
6. Setting the clock: Press and hold down the Time button for 3 seconds. The word hold will show on the screen. After 3 seconds, the screen will show a year. Use the Adv/Ovr or Boost buttons to change the year to the correct year. Press Time to set the year, and then the month will show. Use the Adv/Ovr or boost button to adjust the month to the correct month. Press Time to set the month, and then the day will show. 4 Use the Adv/Ovr or boost button to adjust the day to the correct day.
Use the Adv/Ovr or boost button to adjust the minutes to the correct minutes. Press Time to exit the Time/date entry mode. The display should now show the correct time/day of the week. Note: During time/date setting, when the Adv/Ovr or Boost buttons are held down, the setting under adjustment will advance or decrease more rapidly 7.
8. Programming On/Off times: The NTM02 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. Press and hold the Prg button for 3 seconds. Whilst holding, the word Hold should show on the display. After 3 seconds, the mode screen will show. 6 Use Adv/Ovr or Boost to change the day grouping mode.
Press Prg to change to programme 1 off time. Press Prg to scroll through programme 2 on, programme 2 off, programme 3 on, programme 3 off, programme 4 on and programme 4 off, adding in times as required. If times are not required, just leave the dashes in place, and scroll past that programme. After programme 4 has been entered, the day will index to the next day to be programmed, or in the case of 5 + 2 it will change to Sa Su. Programme the On/Off times as before.
8.2 Programming across midnight: Enter the required programme on time. Enter the programme off time as 00:00. Enter the first programme on time for the next day as 00:00. Enter the required programme off time. Note: For 24 hour the on period for programme 1 must start 00:00. 9. Modifying or adding programmes: Press Prg and hold for 3 seconds. Whilst holding, the word hold will appear on the display. 8 After 3 seconds the display will show the programming mode screen.
. Advance/Override: In operating mode Adv/Ovr advances the programme to the next change. If the output is off, it will change the output to on, until the next programmed off time. If the output is on, it will change the output to off, until the next programmed on time. A second push of the Adv/Ovr button selects a permanently on mode, where the output is on, irrespective of the programming.
12. Specifications: 0°C to 40°C 230V 50Hz 16A resistive, 4A inductive, 0.55 HP, 750W incandescent, 750W halogen, 750W fluorescent, 100W compact fluorescent. 16A relay Yes Single pole change over Yes Yes 7 day Note: Product not suitable for discharge lighting. 13. Mounting Details: 54 CTS 54 CTS 5454 CTS CTS 62.5 Dia. 62.5 Dia. 3.3 Dia. 3.3 Dia. 3535 60 Sq. 60 Sq.
3 Year Guarantee In the unlikely event of this product becoming faulty due to defective material or manufacture within 3 years of the date of purchase, please return it to your supplier in the first year with proof of purchase and it will be replaced free of charge. for years 2 and 3 or any difficulty in the first year telephone the helpline on 020 8450 0515. note: a proof of purchase is required in all cases.
