Model: NTT05 General Purpose Timer Installation & Operating Instructions 24 Hour Mechanical Time Switch
NTT05 – General Purpose Timer Power LED On segment Programme ring Time indicator Terminal cover 1 Time control segments: 1 segment = 15 minutes, push segment down for on, pull up for off. Control switch: 1 = permanently on, Timer symbol = timed control, 0 = permanently off. 1. General: This time switch is a compact and easy to use segment timer, for wall mounting. It can control outputs of up to 16A which makes it suitable for domestic immersion heaters.
2. Features: Permanent On/Off facility. This enables the heater under control to be turned off when alternative methods of heating are available, or during a holiday period. It also enables the heater to be permanently turned on. Shortest switching time of 15 minutes increasing in 15 minute steps. Up to 48 programmes per day. 3. Installation: 2 We recommend that this unit be fitted by a qualified electrician. Install in accordance to wiring and current building regulations.
For other wiring, the terminals are marked as follows: E Earth continuity. N Neutral supply. L Live supply. 1 Live Input for volt free output (if required, if not, leave wire link in place). 2 Normally open switch live output to heater or other appliance. 3 Normally closed switch live output to heater or other appliance. 4. Programming the time switch: 3 a) Decide what times you would like the time switch to switch ON and Off.
. Permanent Override: The main slider on the timer can be set to permanent on by sliding it to the left, aligning the arrow head to the 1 symbol. In the middle position, with the arrow head pointing at the timer symbol, the timer is in automatic mode. If the slider is moved to the right, and the arrow head points at the 0 symbol, the timer is permanently off. 6.
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.
