Related Manuals for Time Guard NTT03
Summary of Contents for Time Guard NTT03
- Page 1 7 Day Digital Time Switch Model: NTT03 Immersion Timer Model: NTT04 General Purpose Timer...
- Page 2 The nTT04 has volt free contacts, making it suitable for a wider range of switching applications. The nTT03 is designed primarily for domestic immersion heaters. Programming can be 7 day, 5 + 2, or 24 hour.
- Page 3 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.
- Page 4 Live supply neutral supply N OUT neutral output to immersion heater (nTT03 only). Switch live output to immersion heater (nTT03 only). S in Live Input for volt free output (nTT04 only) If volt free is not required, fit a link between L and S in.
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Page 5: Setting The Clock
5. Reset: The time switch must be reset before programming for the first time, or after subsequent discharge for more than 5 days, and following a 4 hour period of charging. Press Rst using a pointed object, eg: a pencil. The display will show all the segments, and then clear to show: Use the Adv/ovr button to change... - Page 6 Use the Adv/ovr or boost button to adjust the hour to the correct hour. Press Time to set the hour, and then the time will show the minutes. The hour is a 24 hour clock. Use the Adv/ovr or boost button to adjust the minutes to the correct minutes.
- Page 7 8. Programming ON/OFF times: The nTT03/04 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 8 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.
- Page 9 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.
- Page 10 10. 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.
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Page 11: Specifications
12. Specifications: operating temperature: 0°C to 40°C operating voltage: 230V 50Hz Switch rating: 16A resistive, 4A inductive, 0.55 HP, 750W incandescent, 750W halogen, 750W fluorescent, 100W compact fluorescent. Minimum depth of wall box: 32mm Switch type: 16A relay Voltage free contact: nTT04 only Contact type: normally open... - Page 12 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.
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Questions and answers
Will the cylinder still heat water if no pre set programmes are entered?
No, the Time Guard NTT03 requires preset programs to operate. It functions based on on/off switching programs and does not heat water without being programmed.
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