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
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
34
• Multiple Slave Units: Up to 10 DSSN units
(Max) can be
connected with
one DS1N
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
45
• 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
56
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
3. Remove the existing 230 V AC 50Hz mains supply
cable and note or tag which cables represent
live (COM or equivalent) and switched live
(L1 or equivalent). Do not disturb any earthing
wire connected to the back box terminal.
4. On the rear of the DS1N shown below in figure
2 you will notice the terminals “L (Live)” and “SL
(Switched Live)”, connect the 230V AC 50Hz mains
supply to terminal “L (Live)” and the switched
live feed cable to “SL (Switched Live”).
Ensure the terminals are tight.
Delay time adjuster –
centre scale gives
approximately 5 minutes
67
(linear scale).
Fig 2 – Rear of DS1N
5. Align the unit to the back box then insert and
tighten the two plate fixing screws supplied with
the two adjacent holes which will align with your
back box.
6. Turn ON the 230V AC 50Hz mains supply
and the light will now illuminate.
7. Press the push button on the DS1N and the lights
under control should stay ON for a further
10 seconds and then switch off, during the time
the light is on the neon behind the push button
will not illuminate.
8. Having established that the DS1N and any DSSNs
are working correctly disconnect the 230V AC 50Hz
mains supply and remove the two fixing screws from
the unit. The DS1N can then be pulled away from the
wall to enable access to the delay time adjuster.
9. The delay time adjuster can then be set to the
required level and the DS1N fixed to the wall using
the two fixing screws. The push-in screw covers
can now be fitted if required. Turn on the 230V AC
50Hz mains supply and press the push button to
ensure the delay time is correct.
78
4a New Installation of a DS1N
and up to 10 DSSNs.
In a new installation the DS1N and DSSNs can be
wired to give control of a single lamp load by any of
the switches. This is shown in fig 3.
230V AC 50Hz
Mains Supply
Brown or Red
Fig 3
DSSNDSSNDS1N
Blue or Black
L = Live 230V AC
50Hz Mains Supply
Brown or Red
N = Neutral Feed
Blue or Black
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
two plate fixing screws holding the old switch
to the back box.
3. Remove the existing 230 V AC 50hz mains supply
cable and note or tag which cables represent
live (COM or equivalent) and switched live
(L1 or equivalent). Do not disturb any earthing
8
wire connected to the back box terminal.
4. On the rear of the DSSN shown in figure 4 you will
notice terminals “L in (Live)” and “L master (Live
feed to the next unit)”, connect the 230V AC 50Hz
mains supply to terminal “L in (Live)” and the live
feed cable to the next unit “(L master)” making
sure that the cables are sleeved appropriately
and polarities checked.
Fig 4 – Rear of DSSN
5. If you wish to connect the DS1N at the point
please refer to number 8 of this set of instructions.
Note that a single DS1N can be used
with up to 10 DSSN units.
6. To attach an additional DSSN unit connect the L
master feed from the first DSSN unit to L in of the
second DSSN unit making sure that the cables
are sleeved appropriately and polarities checked.
Insure that the previous switch has been removed
before attempting this.
7. Connect the slave output of the first DSSN unit to
the slave input of the second DSSN unit as shown
9
on figure 3. To add additional units follow instruction
numbers 6 and 7 back to back until the correct
amount of slaves on the circuit has been achieved.
8. Connect the L master supply from the final DSSN
slave unit to terminal L of the DS1N unit and the
slave supply from the output of the DSSN unit to the
slave input of the DS1N unit as shown in figure 3.
9. The terminal SL (Switched Live) will be the live feed
to the luminaire, connect the supply cable between
the live of the luminaire and the switched live
of the DS1N. Ensure all the terminals are tight.
10. Align the unit to the back box then insert and
tighten the two plate fixing screws supplied the two
adjacent holes which will align with your back box.
11. Turn ON the 230V AC 50Hz mains supply
and the light will now illuminate.
12. Press the push button on the DS1N and the
lights under control will stay ON for a further
10 seconds and then switch off, during the time
the light is ON the neon behind the push button
will not illuminate. If there are multiple DSSNs
installed repeat this test at each switch. Note that
fluorescent lamps will not switch on immediately
and the light intensity may be reduced initially.
13. Having established that the DS1N and any DSSNs
are working correctly disconnect the 230V AC
10
50Hz mains supply and remove the two fixing
screws removed from the unit. The DS1N can then
be pulled away from the wall to enable access
to the delay time adjuster.
14. The delay time can then be set to the required
level and the DS1N fixed to the wall using the
two fixing screws. The push-in screw covers can
now be fitted if required. Turn on the 230V AC
50Hz mains supply and press the push button to
ensure the delay time is correct.
L = Live 230V AC 50Hz
Mains Supply Brown or Red
5. Replacing 2 way and
intermediate switches.
• This involves wire identification and tracing.
Switch installation should be left to a competent
electrician who will be able to relate to the
circuit diagrams shown in figures 5 to 12
to the practical installation.
• There are two main ways of achieving 2 way
switching – Strapping Cable and Remote
Live Access. The circuits for these are shown
in figs 5 and 6. They are shown with a single
intermediate switch giving 3 way switching.
Further intermediate switches can be added.
11
Brown
Blue
or
or
Black
Fig 5 – Strapping Cable & One Intermediate Switch
Red
In keeping with BS schematic
code wires shown in direct
cross over (i.e. +) are not
connected electrically.
N = Neutral Feed
Blue or Black
L = Live 230V AC 50Hz
Brown or Red
Blue or Black
L = Live 230V AC 50Hz
Blue or Black
Mains Supply Brown or Red
N = Neutral Feed
Blue or Black
Fig 6 – Remote Live Access
and One Intermediate Switch
• A DS1N and two DSSNs can be used to replace
these switches for both wiring systems to give time
delayed momentary switching at all three switch
locations. The DS1N should not be located at a
former intermediate switch location.
• The circuits for both wiring systems with the
1213
replacement switches are shown in figs 7 and 8.
No wiring alterations are required but to establish
which wires are connected to which terminals the
wires must be identified and traced. An in-line
connector is required for the Strapping Cable
System to provide continuity for the SL connection.
Mains Supply Brown or Red
Brown or Red
N = Neutral Feed
Blue or Black
SL = Switched Live
L
IN – LM = Master
Fig 7 – Replacement Delay Switches fitted to circuit shown in fig. 5
DSSNDSSNDS1N
L = Live 230V AC 50Hz
Mains Supply Brown or Red
Brown or Red
Blue or Black
L = Live 230V AC 50Hz
Blue or Black
L = Live 230V AC 50Hz
Brown or Red
N = Neutral Feed
Blue or Black
SL = Switched Live
IN – LM = Master
L
13
Fig 8 – Replacement Delay Switches fitted to circuit shown in fig. 6
DSSNDSSNDS1N
• Further DSSNs can be added to replace any further
intermediate switches in the system. If there are no
intermediate switches (2 way switching) the before
and after connections for both systems are shown
in figs 8 to 11. Note that an in-line connector is
required for the Strapping Cable System to provide
continuity for the SL connection.
Brown or Red
Fig 9 – 2 Way Switching – Strapping Cable
Blue or Black
Fig 10 – 2 Way Switching – Remote Live Access
Mains Supply Brown or Red
N = Neutral Feed
Blue or Black
Mains Supply Brown or Red
N = Neutral Feed
Blue or Black
Brown or Red
Blue or Black
L = Live 230V AC 50Hz
SL = Switched Live
Brown or Red
Blue or Black
Mains Supply Brown or Red
N = Neutral Feed
Blue or Black
DSSNDS1N
LIN – LM = Master
Fig 11 – Replacement Delay Switches fitted to circuit shown in fig. 9
L = Live 230V AC 50Hz
Mains Supply Brown or Red
N = Neutral Feed
Blue or Black
SL = Switched Live
L
IN – LM = Master
1415
DSSNDS1N
Fig 12 – Replacement Delay Switches fitted to circuit shown in fig. 10
6. DS2N Instructions for
Installation and use
• If you have a DS1N working alone please refer to
section 4 and with one or more DSSNs please refer
to section 4a.
Tough flame
retardant
polycarbonate
plate fits a
standard single
gang wall box
16mm deep.
Fig 13 – Front of DS2N
Illuminated
push button.
Optional
push-in
screw caps
supplied
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
1516
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 threaded
screws holding the old switch to the back box.
3. Remove the existing 230V AC 50Hz mains supply
cable and note or tag which cables represent live
(COM or equivalent), switched live (L1 or equivalent)
and neutral (N). Do not disturb any earthing wire
connected to the back box terminal. If two wires
were connected to any terminal on the original
switch they must be kept together and connected
to the appropriate terminal on the DS2N.
Time range selector
Delay time adjuster
Fig 14 – Rear of DS2N
4. On the rear of the DS2N shown below in figure
14 you will notice the terminals “L (Live)”, “SL
(Switched Live)”and “N (Neutral)”, connect the
230V AC 50Hz mains supply to terminal “L (Live)”
1617
and the neutral feed of both the load and supply to
terminal “N (Neutral)” making sure that the cables
are sleeved appropriately and polarities checked.
5. The terminal labelled “SL (Switched Live)” will be
the switched live output to the load, ensure that
all three terminals are tight.
Connect the three wires to the appropriate terminals.
Mains Live – L
Switch Live – SL (to load)
Neutral – N
6. Make sure that the back box is earthed if it is metal.
7. If further DS2Ns are required to control the same
load they must have all corresponding terminals
wired in parallel with these on the first DS2N.
8. Turn ON the 230V AC 50Hz mains supply and
the light will now illuminate for approximately
3 seconds. During this time the neon behind the
push button switches off.
9. Test the unit by pressing the push button and the
light(s)/appliance(s) under control should come ON
for approximately another 3 seconds. During this
time the neon behind the push button switches off.
10. If the load under control is low energy or fluorescent
lamps they will not switch ON immediately and the
light intensity may be reduced initially.
11. Having established that the DS2N is working
correctly the turn OFF the 230V AC 50Hz mains
1718
supply remove the two fixing screws removed from
the unit. The DS2N can then be pulled away from
the wall to enable access to the delay time adjuster
and 2 gang range switch (see fig 14).
12. The delay time can then be set to the required level by
setting the 2 gang range switch according to the table
below and then adjusting the delay time adjuster.
2 Gang Range Switch Position Adjuster Min. Adjuster Max.
3 sec.30 sec.
12 sec.2 min.
1 min. 30 sec. 16 min. 30 sec.
12 min. 30 sec. 2hrs. 10 min.
All delay times accurate to ±25%. Black – switch lever.
13. The DS2N can then be fixed to the wall again using
the two plate fixing screws supplied. The push in
screw covers can now be fitted if required.
14. Turn on the 230V AC 50Hz mains supply and press
the push button on the unit, the light(s)/appliance(s)
under control will remain ON for the set delay time.
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 the
18
second and third years or any difficulty in the first
year telephone the helpline on 020 8450 0515.
Note: A proof of purchase is required in all cases.
For all eligible replacements (where agreed by
Timeguard) the customer is responsible
for all shipping/postage charges
outside of the UK.
All shipping costs are to be
paid in advance before
a replacement is sent out.
If you experience problems, do not immediately
return the unit to the store.
Telephone the Timeguard Customer Helpline:
HELPLINE
020 8450 0515
or email helpline@timeguard.com
Qualified Customer Support Coordinators will be online
to assist in resolving your query.
For a product brochure please contact:
Timeguard Limited.
Victory Park, 400 Edgware Road,
London NW2 6ND
Sales Office: 020 8452 1112
or email csc@timeguard.com
www.timeguard.com
67.058.644 (Issue 2)
TG46586 – July 2019
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