2 Wire Electronic
Time Delay Switch
Model: DS1N
2 Wire Slave Switch
Model: DSSN
3 Wire Electronic
Time Delay Switch
Model: DS2N
Installation & Operating Instructions
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 delay 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
delay switch and install in accordance with the
1
current IEE wiring and Building Regulations.
• Check that the total load on the circuit including
when this time delay switch is fitted does not exceed
the rating of the circuit cable, fuse or circuit breaker.
3. Technical Specifications
• Mains Supply: 230V AC 50Hz
• These time delay switches are of class II construction
and must not be earthed
• Temperature Range: -10°C to 40°C
• Minimum Box Depth: 25mm
• Standby Consumption: Less than 2VA
• CE Compliant
• EC Directives: Conforms to
latest directives
DS1N
• Permissible Loads: Filament Lamps: 1.5kW
Low Voltage: 20-200W,
Resistive: 1.5kW
LED: 10W
This Product requires to be permanently powered
which is achieved through the switched Live.
As such some LED and CFL lamps may glow or
flash whilst this product is in the ‘OFF’ state.
This glow/flash can be eliminated by adding the
Timeguard ZV900 Automatic Switch Load
2
Controller to the circuit.
The LED switching capabilities of this product can
be increased up to 200W by the addition of the
Timeguard ZV900 Automatic Switch Load Controller.
The ZV900 is sold separately.
• Delay Time: 10 Sec to 10 min
(Nominal) Adjustable
by tamper proof
potentiometer.
(Normal times may
vary by up to +33%)
• Terminations: Suitable for 1mm2
and 1.5 mm
conductors and
stranded equivalents
• Illuminated Push Button: Orange
• Dimensions (H x W x D): 84 x 84 x 38mm
Note: Not suitable for use with discharge lighting
2
solid
DSSN
• Terminations: Suitable for 1mm2
and 1.5mm
conductors and
stranded equivalents
3 4
• Multiple Slave Units: Up to 10 DSSN units
(Max) can be
connected with
one DS1N
• Illuminated Push Button: Orange
• Dimensions (H x W x D): 84 x 84 x 30mm
2
solid
DS2N
• Permissible Loads: Filament Lamps: 1.5kW
Low Voltage: 20-200W,
Resistive: 1.5kW,
Inductive 4A
LED: 100W
The LED switching capabilities of these products
can be increased up to 200W by the addition
of the Timeguard ZV900 Automatic switch
load controller – sold separately.
Heating: 1.5kW
Motor – 1hp
• Delay Time: 4 adjustable time (Light ON) ranges
4 5
• Terminations: Suitable for 1mm
and 1.5mm
conductors and
stranded equivalents
• Illuminated Push Button: Orange
• Dimensions (H x W x D): 84 x 84 x 38mm
Note: Not suitable for use with discharge lighting
Up to 12 DS2Ns can be wired in parallel to
control a single load but the DS2N cannot be
used in conjunction with DSSNs.
set by selectable switch and then
fine-tuned with a potentiometer;
3sec to 30sec
12sec to 2min
1min 30sec to 16min 30sec
12min 30sec to 2hrs 10min
(Normal times may vary by up to +25%)
2
solid
2
4. DS1N Instructions for
Installation and use
• If you have a DS2N please refer to separate
instructions on page 14.
Tough flame
retardant
polycarbonate
plate fits a
standard single
gang wall box
16mm deep.
Installation (Replacement of Single ON/OFF
5 6
Switches Only). FOR INSTALLATION OF DS1N &
DSSNs IN 2 WAY AND INTERMEDIATE SWITCHING
CONFIGURATIONS – SEE SECTION 5 REPLACING
2 WAY AND INTERMEDIATE SWITCHES.
Note: The installation of this electronic switch
should be protected by a suitable fuse or breaker
of up to 6A rating.
1. IMPORTANT Switch off the electricity at the fuse
box by removing the relevant fuse or switching
off the circuit breaker before proceeding with
the installation.
2. Disconnect the existing light switch from the back
box using a screwdriver to undo the plate fixing
screws holding the old switch to the back box.
Fig 1 – Front of DS1N
Illuminated
push button.
Optional
push-in
screw caps
supplied
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