ESI ESRTM User manual

ESRTM
Mechanical Room
Thermostat
Installation Instructions

Thank you for choosing ESi Controls.
All our products are tested in the UK so we are
confident this product will reach you in perfect
condition and give you many years of service.
However, for additional peace of mind, we
recommend you register your product online at
www.esicontrols.co.uk/warranty for your
extended warranty.
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Installation Instructions
Technical Data 6
Installation Instructions
Installation Safety Instructions 7
Maintenance 7
Safety Notice 8
Wiring Diagram 8
Fitting the Mechanical Room Thermostat 9
Installation 9
Contents

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Installation Instructions

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Fixing Easy Fit Back Plate
Sensing Element Gas Bellows/Membrane
Switch Rating 230VAC (Volt Free)
Temperature Setting Range 10°C to 30°C
Temperature Heating Range 0.6°C to 4°C/hour
Terminal Differential Approx 4°C
Current Rating 16(4)Amp
Switch Type S.P.S.T
Plastic Thermoplastic, flame retardant
Protection Rating IP30
Dimensions 83mm(L) x 83mm(W) x 35mm(D)
Complies with: EN60730-1 EN 60730-2.7, EMC
Directive 2004/108/EC, LVD
Directive 2006/95/EC
Technical data

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The unit must be installed by a suitably qualified person in
accordance with the latest IEE Wiring Regulations. Isolate
mains supply before commencing installation. Please read all
instructions before proceeding.
Ensure that the fixed wiring connections to the mains supply
is via a fuse rated at not more than 6 amps and class ‘A’
switch having a contact separation of a minimum of 3mm
in all poles. The recommended cable sizes are 1.0mm sqr or
1.5mm sqr. No earth connection is required as the product is
double insulated but ensure continuity of earth throughout
the system.
General Safety Instructions
This product complies with the essential requirements of the
following
EC Directives:
• Electro-Magnetic Compatibility Directive 2004/108/EC
• Low Voltage Directive 2006/95/EEC
• EC Marking Directive 93/68/EEC
Please leave the user instructions with the end user where
they should be kept in a safe place for future reference.
Maintenance
Always isolate the mains supply before commencing any
work, servicing or maintenance on the system. And please
read all instructions before proceeding.
Installation Safety Instructions

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Arrange for an annual maintenance and inspection schedule
to be carried out by a competent person on every part of the
heating and hot water system.
Safety Notice
WARNING!
Always isolate the AC mains supply before installing.
this product must be fitted by a qualified person, and
installation must comply with the guidance provided in
the current editions of BS767 (IEE wiring regulations)
and part “P” of the building regulations.
Wiring Diagram
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COMHeating

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Fitting the Mechanical Room Thermostat
The ideal position to locate the Mechanical Room Thermostat
is about 1.5m above floor level, in a location where the
thermostat is accessible, reasonably lit and free from extremes
of temperature and draughts. Do not position the thermostat
near sources of heat, such as radiators, lights, TV, direct
sunlight or on an outside wall.
Installation
1. Remove the front cover using a flat screwdriver and
separate from back plate.
2. Fix the back plate directly onto the wall using suitable
wall plugs and screws or mount over existing wall box.
3. Complete the connections in accordance with the
wiring diagram on page 8.
4. Replace the thermostat onto the back plate. The
Mechanical Room Thermostat is now installed.
1.5m

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We are continuously developing our products to
bring you the very latest in energy saving technology
and simplicity. However, should you have any questions
setting up your controls please email us at
[e-mail] or for technical queries call
us on our dedicated technical helpline 07539 117468.

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WARNING: Interference with sealed parts renders the
guarantee void.
In the interests of continuous product improvement we reserve
the right to alter designs, specifications and materials without
prior notice and cannot accept liability for errors.

Version 6.10.2
© ESi Controls Limited 2017