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24 Hour
Mechanical Time
Switch
Model: NTT01
Immersion Timer
Installation & Operating Instructions
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NTT01 – Immersion Timer
Power LED
Bezel
fixing
screws
ON
segment
Time control segments:
1 segment = 15 minutes,
push segment down
for ON, pull up for OFF.
1
Output LED
(NTT01 only)
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, which fits on a single gang wall box.
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.
Programme
ring
Bezel
Time
indicator