Timeguard MEU11, MEU17, EMU11, EMU17 Installation & Operating Instructions Manual
Installation & Operating Instructions
Timer Modules
MEU11 – 24 Hour Module,
MEU17 – 7 Day Module
(Without Housing)
EMU11 – 24 Hour Module,
EMU17 – 7 Day Module
(With Housing – Giving panel mounting facility)
1
1. General Information
These instructions should be read carefully
and retained for further reference and maintenance.
2. Safety
• Before installation or maintenance, ensure the
3V DC supply to the timer module is switched off.
• It is recommended that a qualified electrician is
consulted or used for the installation of this timer
module and install in accordance with the current
IEE wiring and Building Regulations.
• Check that the total load on the circuit before
attempting to use the time module for your
OEM application.
3. Technical Specifications
General
• Requires an external diode, resistor and relay
to switch mains voltage.
• Manual Override – ON/OFF until next programme.
• Operating Temperature – 0°C to +55°C.
• Power Reserve – Non replaceable rechargeable
factory fitted battery, Metal Hydride, 1000 hours.
• CE Compliant.
2
MEU11 & EMU11 24 Hour Modules
• 24 Hour Time Period – 4 ON/OFF programmes.
MEU17 & MEU17 7 Day Modules
• 7 Day Time Period – 6 ON/OFF programmes,
daily, weekly, weekend or weekday options.
4. Contents
• 1x Timer module.
• 1x Panel mount bezel.
• 1x Tamper proof cover.
• 4x Surface mount stand offs (length 10mm).
• 2x Panel mount bolts.
• 2x Self-tapping screws (No. 4 x 5/8in)
for panel mount bolts.
• 2x Self-tapping screws (No. 6 x 3/8in)
for attaching bezel to EMU11.
5. Installation
3
Panel Mounting
• For panel mounting (in panels up to 7.0mm
thick with the cut-out as shown in figure 2)
the EMU11/17 should be snapped into the bezel
supplied and secured in place by the use of the
2x No. 6 x 3/8 in self-tapping screws provided
(as shown in figure 3).
• When selecting a position for the unit, bear in
mind that a clearance behind the front panel
surface of 26.0mm is required over the full
area of the panel cut-out.
• The unit is designed to be mounted from the
front of the panel by the following procedure;
4
5.1 Insert the 2 bolts provided in the locations as
shown in figure 4.
5.2 Then insert the 2x No.4 x 5/8 in self-tapping
screws into the bolts and engage thread.
5.3 Make connections to the unit by wires
terminated in a Molex 4 way 7720 or similar
connector from behind the panel.
5.4 Insert the EMU11/17 complete with bezel into
the panel and tighten up the 2x No.4 selftapping screws. The ears on the bolts will rotate
as you tighten to clamp the unit to the panel.
Surface Mounting
• The EMU11/17 without bezel can be surface
mounted using the 4 securing holes as shown
in figure 5.
• The unit can be stood off from the mounting
surface by 10mm using the 4 spacers if required.
• Screws are not provided and it must be
remembered that if used in this way the
EMU11/17 must be installed within a housing
or cubicle to prevent access to the mains
terminations.
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