Wiring diagram - mains switching. The link
between 3 and 5 must be fitted by the installer
Wiring diagram - volt free switching. The diagram above shows wiring for a potential-free load.
For low voltage switching connect 230v L & N to 5
& 4 respectively, and switch circuit to 3 & 2.
4. Specification
Motor: 220-240V AC 50Hz
Temperature rating T55
Switch type: changeover
Rating: 16A resistive / 8A inductive
Not suitable for direct switching of lighting
types: Fluorescent, HID, SON, LED
Use a contactor for discharge lamps
Suitable for fitting to surface or flush mounted
socket box. For fixed wiring only.
Class II control / Protection class IP20
Complies with European Norm
EN 60730-1: 2011
Automatic Electrical Controls for
Household and similar use,
and European Directives:
LVD; EMC; RoHS
www.tfc-group.co.uk
TFC Group LLP Tonbridge TN9 1TB
Time Switch
Socket-box timer for
general purpose use
User instructions
OP-SBST 24 Hour Synchronous
Min switching 15 minutes
OP-SBSW 7 Day Synchronous
Min switching 2 hours
(product version is shown on the rating label)
1. Set the timer
2. Manual override
3. Installation guide
4. Specification
Figure 4.
Socket box
backplate
Earth terminal
module
cover
screws
1
2
3
4
5
1
2
3
4
5
1. Set the Timer
Do not rotate the dial anti-clockwise as this will
damage the mechanism.
Rotate the minute hand clockwise until the arrowhead on the clock face aligns with the correct time
on the outer dial—see Fig. 1.
The dial shows the 24 hour clock. Note that 9 =
9:00 a.m., 21 = 9:00 p.m. When setting-up the 7
day version, align correct time on outer dial, within
current day sector of dial. Please note: on the
SBSW seven-day timer, the weekdays are printed
around the edge of the dial in abbreviations of three
languages.
To set ON / OFF times, move all tappets between
ON and OFF times required to the outer edge of the
dial. See Fig. 1.— to set ON at 7:30 a.m. and OFF
at 10:30 a.m. move all tappets to outer position
between 07:30 and 10:30 on the dial. Set any other
ON/OFF times in a similar manner.
2. Manual Override
There is a three-position manual selector built-in to
the clock dial face. See Fig. 2.
Position 1 ’I’ = ON
Position 2 = AUTO
Position 3 ’0’ = OFF
The timer incorporates a changeover switch. See
Fig. 3. Therefore, when in use as a general purpose
timer, the manual switch functions as follows:
In position 1, terminal 2 output is ON
In position 2, the output will switch between terminals 1 & 2, as determined by tappet positions.
In position 3, terminal 1 output is ON.
3. Installation guide
Installation must be carried out in accordance with
the current edition of the I.E.E. Wiring Regulations.
It is recommended that installation is undertaken
only by a qualified electrician.
Installation Procedure
Switch off supply to socket box.
Unscrew two screws (A) which secure housing and
timeswitch to backplate - please see Fig. 4. assembly diagram.
Remove cover and gently pull module from backplate. Do not put undue stress on, or interfere with
fixed blue wires.
Fix backplate to socket box.
Connect wiring in accordance with wiring diagram.
Do not combine solid and stranded conductors in
the same terminal. When connecting stranded
conductors use the ferrules provided. Screw terminal recommended torque 0.75Nm.
Fit cover over module and reassemble to backplate. Ensure fixed blue wires are stowed neatly
without being trapped.
Re-fit and tighten two screws (A)
Switch on mains.
Figure 1.
Figure 2.
0
Figure 3.
I
1 2 3 4 5
1 2 3
4
5
1 2 3
4
5
1 2 3
4
5
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