24 Hour
General Purpose
Installation & Operating Instructions
Mechanical
Time Switch
Model: NTT05
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.
• It is recommended that a qualified electrician
is consulted or used for the installation of this
time switch and install in accordance with the
current IEE wiring and Building Regulations.
• Check that the total load on the circuit
including when this time switch is fitted
does not exceed the rating of the circuit cable,
fuse or circuit breaker.
3. Technical Specifications
1
• 230V AC 50 Hz
• This time switch is of class I construction
and must be earthed
• Switch Rating: 16A Resistive (3.68kW)
Immersion Heaters
750W Incandescent,
Halogen & Fluorescent
lighting
100W Compact
fluorescent lighting
100W LED 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.
• Switch Type: Micro Switch
• Voltage free contact if wire link is removed
• Contact Type: Normally Open
and Normally Closed
• Manual Override: Permanent ON or OFF
• Power Status
LED Indicator: Red
• Output LED
Indicator: Green
• 24 Hour Time Up to 48 programmes
period: per day
• Operating
Temperature: 0°C to +40°C
• CE Approved
Notes
• Not suitable for use with
Discharge Lighting.
• The NTT05 is supplied with a wire link
2
in place. This should not be removed unless
voltage free contacts are required. If the
wire link is removed then the output
light will no longer function.
Power LED
Terminal
cover
ON
segment
Programme
ring
Time
indicator
Time control segments:
1 segment = 15 minutes,
push segment down
for ON, pull up for OFF.
3 4
Control switch:
1 = permanently ON,
Timer symbol =
timed
control,
0 = permanently OFF.
Loading...