Timeguard ELU56 Manuel
Installation & Operating Instructions
16 Amp Electronic
24 Hour/7 Day
Time Controller
Model: ELU56
1 2
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 controller 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
controller and install in accordance with the current
IEE wiring and Building Regulations.
• Check that the total load on the circuit including
when this time controller is fitted does not
exceed the rating of the circuit cable,
fuse or circuit breaker.
2 3
3. Technical Specifications
• Mains Supply: 220 – 240V AC 50Hz
• Temperature Range: -10°C to 40°C
• Switching Capacity: 16A resistive,
5A inductive,
500W fluorescent lighting,
2500W filament lighting,
80W LED
Not suitable for
discharge lighting
• Battery Back Up: Factory fitted rechargeable
(1000 hours capacity)
• Dimensions (HxWxD): 104mm x 72mm x 69mm
• CE Compliant
• EC Directives: Conforms to latest directives
• Contacts: Voltage free, change over
4. General
The ELU56 is a 24 hour/7 day digital timeswitch
with a 16 amp resistive switching capacity suitable
for general applications where a comprehensive
weekly timing routine is required.
3 4
Setting buttons for
days, hours and
minutes
Output status
showing either ON
or INT (OFF)
24 hour digital
display
Day indicator
1 = Monday
7 = Sunday
Transparent
plastic cover
Set button selects
ON and OFF times
and clock time for
review and
programming Override button
Fig 1
The following features are provided:
• 8 ON and 8 OFF switching commands per day –
112 memory locations.
• Change over contacts 16 amp resistive,
5 amp inductive 240V AC 50Hz.
• Self-cancelling ON and OFF manual override.
• Voltage Free Contacts.
• ‘Day omit’ programme.
• Panel mounting bracket supplied.
• Power reserve approximately 1000 hours.
4 5
• Shortest switching interval of 1 minute.
• Out of baseplate programming possible.
The unit has a transparent front cover to protect the
controls from accidental change.
5. Installation
The ELU56 may be mounted in three different ways –
wall, panel or rail. The unit is normally wall mounted
on the base plate provided. For panel mounting
you will require the panel mounting bracket AK.305
enclosed with the ELU56. For rail mounting you will
require a quick fixing device Part No. 907-0-071.
5a Wall or Surface Mounting
1. Remove the transparent front cover from the unit.
2. Unscrew the fixing screws in the recessed holes in
the face of the switch. Note that these are captive
screws and cannot be removed.
3. Pull the timeswitch from the base plate.
4. Secure the base plate to the wall or flat surface.
5. For mains switching (230V AC 50Hz) connect the
supply to the terminals according to the wiring
diagram, noting that a link is required between
terminals 2 and 8, this is due to the option
5 6
Fig 2
Fig 3
of having voltage free contacts (see fig 2). Refer to
(fig 3) for voltage free contacts wiring. Ensure that
all bare conductors are sleeved and that correct
polarity is observed.
6. Refit the terminal cover and plug the timeswitch
into the base plate.
7. Re-tighten the fixing screws attached to the face
of the unit to the base plate.
8. Switch on the power from the supply line.
6 7
9. The programmes and clock time can now be set.
If display was blank prior to switching on power,
allow the battery to charge for at least 2 to 4
hours prior to programming.
10.Replace transparent front cover.
5b Panel Mounting
1. Remove the base plate and terminal cover
as described for wall mounting.
2. Install the timeswitch in a 68mm square hole
previously cut in the panel.
3. Lock the timeswitch in position using the panel
mounting bracket supplied.
4. For mains switching (230V AC 50Hz) connect the
supply to the terminals according to the wiring
diagram noting that a link is required between
terminals 2 and 8, this is due to the option of
having voltage free contacts (see fig 2). Refer to
(fig 3) for voltage free contacts wiring. Ensure that
all bare conductors are sleeved and that correct
polarity is observed.
5. Re-tighten the fixing screws attached to the face
of the unit to the base plate.
6. Switch on the power from the supply line.
7 8
7. The programmes and clock time can now be set.
If display was blank prior to switching on power,
allow the battery to charge for at least 2 to 4
hours prior to programming.
8. Replace transparent front cover.
Rail Mounting
For rail mounting use the quick fixing Part No. 907-0-071
which can be supplied as an optional extra.
6. Programming
• Five setting buttons are on the face of the unit.
• The Set button is used to sequence the module
in programming mode.
• The Day, Hrs and Mins buttons are used to set
the days, hours and minutes required.
• ON/OFF programmes can also be overridden
till the third subsequent programme change
by using the O’ride button.
• To prepare the module for programming clear the
memory by pressing both the Set and Day buttons
simultaneously until the display disappears.
On releasing the buttons the display will show
0:00 INT with the colon flashing.
8
6a Setting the Clock Time
• To set the clock time press the Set button briefly
and release, the display will show 0:00 INT with “C”
flashing at the right of the display.
• Press the Day button until the black indicator
shows the desired day of the week (1-7)
i.e. Monday-Sunday.
• Use the Hrs button to set the hours followed by
the Mins button to set the minutes to the actual
clock time. Holding down the either the Hrs or Mins
buttons will achieve a rapid selection.
• If the Set button is now pressed briefly and then
released, the display will return to the correct time
of day with the colon flashing.
• The module is now in its operating condition
and will switch “ON” and “OFF” according to
the programmes set. To alter the clock setting
subsequently there is no need to clear the
memory first.
• Note: Pauses of 15 seconds or more during setting
the clock will result in an automatic return to the
operating condition.
910
• Important: After setting a clock time which falls
within a programmed “ON” period, the unit will
not switch “ON” The programmed time must
be after the current time on the clock for the
programme to be switched on. If you require
the programme to be “ON” and clock time falls
within the programmed time use the override
button which will turn on the unit until the next
programmed “OFF” sequence.
6b Planning The programmes
• A programme is a pair of ON/OFF settings which
will dictate when the load will switch “ON”
and “OFF”.
• Programmes can be set before or after setting
the clock time.
• Programmes can be carried over midnight
by programming the required “ON” time
and then “OFF” at 0:00 for the first day,
followed by an “ON” at 0:00 and the required
“OFF” time for the second day. Please refer to
the table on page 10 for the setting a programme
using this method.
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