ESI ESCTP-RF User manual

ESCTP-RF
Programmable Cylinder
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.
2

Installation instructions
1. Technical specification
1.1 Parameter settings 6
1.2 Thermostat technical settings 7
2. Installation instructions
2.1 Installation safety instructions 8
2.2 General safety instructions 8
2.3 Warning notices 8
2.4 Maintenance 9
2.5 Fitting the programmable cylinder
thermostat 9
2.6 Installing the programmable cylinder
thermostat 10
2.7 Wiring diagram 11
Contents
3

4

5
Installation instructions

6
Power supply 230VAC, 3(1)A SPDT
Temperature sensor accuracy +/- 1°C at 20°C
Total switch rating 5A 230VAC
Plastic type Thermoplastic, flame retardant
Protection rating IP30
Dimensions 88mm (L) x 88mm (W) x 23mm (D)
BST/GMT Time change Automatic
Factory pre-set programme* yes, (See section 7 of user manual)
Complies with
EN 60730-1, EN 60730-2.7, EN
55014-1:2006+A1:2009+A2:2011,
EN61000- 3-2:2014, EN 61000-
3-3:2013, EN 55014-2: 2015, EN
60730-1:2011, EMC Directive
2014/30/EU, LVD Directive
2014/35/EU
* Only available when paired with a compatible Wi-Fi room thermostat
1.2 Thermostat technical settings
Auto mode*
Set temperature 25°C - 65°C (Default: 50°C)
Program event start/end time 00:00 - 23:50 (User Manual section 7)
Program operation mode 5/2 day, 7 day, 24hr (Default: 5/2 day)
Number of programs 2 or 3 (Default: 3)
Manual mode
Manual mode temperature 25°C - 65°C (Default: 50°C)
Boost mode
Boost mode temperature 25°C - 65°C (Default: 50°C)
Boost mode hours 1 – 3
* Only available when paired with a compatible Wi-Fi room thermostat
1. Technical specification
1.1 Parameter settings

7
2. Installation
2.1 Installation safety instructions
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 3 Amps and Class ‘A’ switch
having a contact separation of a minimum of 3mm in all poles.
The recommended cable sizes are 1.0mm² or 1.5mm². No earth
connection is required as the product is double insulated but
ensure continuity of earth throughout the system.
2.2 General safety instructions
This product complies with the essential requirements of the
following EC Directives:
• Electro-Magnetic Compatibility Directive 2014/30/EU.
• Low Voltage Directive 2014/35/EU.
• EC Marking Directive 2014/30/EU.
Please leave the user instructions with the end user where they
should be kept in a safe place for future reference.
2.3 Warning notices
WARNING: Always isolate the ac mains supply before
installing. This product must be fitted by a competent
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.

8
2.4 Maintenance
Always isolate the mains supply before commencing any work,
servicing or maintenance on the system. And please read all
instructions before proceeding.
Arrange for an annual maintenance and inspection schedule to
be carried out by a qualified person on every part of the heating
and hot water system.
2.5 Fitting the programmable cylinder thermostat
The programmable cylinder thermostat should be where it
will be easily accessible, visible, free of obstructions and
extreme temperatures. Some cylinders allow for the thermostat
to be mounted directly into the cylinder, please check with
your cylinder manual for details, alternatively the thermostat
can be mounted to a wall close to the cylinder. Before fixing
the thermostat to the desired position, ensure that the
temperature probe has enough length to reach the probe
pocket in the cylinder.
1.5m
1m

9
2.6 Installing the programmable room thermostat
1. Press the Release button at the bottom of the unit,
then gently loosen from the unit, unhooking from
bottom to top.
2. Fix the mounting plate onto the cylinder itself or into a
wall nearby, ensuring that the temperature probe will
reach the cylinder temperature probe dry pocket.
3. Route the wires through the back of the mounting plate.
Fit the wires to the Thermostat in accordance with the
relevant diagram (see section 2.7 for details) and in
accordance with I.E.E. regulations..
4. Fit the unit onto wall mount plate securing from bottom
to top.
5. Ensure an appropriate fuse is fitted to the circuit before
reconnecting to the mains supply (see section 2.1 for
details)

10
2.7 Wiring diagram
Check your boiler wiring diagram for the connection
requirements. The wiring diagram below cover the most
common connection methods. Incorrect wiring can cause
damage to the boiler and the thermostat.
NC COM
THERMOSTAT
NO
NLS/L
NC COM
THERMOSTAT
NO
BOILER
VOLT-FREE S/L (Switched Live)
BOILER
1. N: Mains AC Neutral
2. L: Mains AC Live
3. NC: Normally Closed
4. COM: Common
5. NO: Normally Open

11
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.
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
[email protected] or for technical queries call us
on our dedicated technical helpline 01280 816868.

Version 1.001
© ESi Controls Ltd 2021