ESI ESRTP4+ User manual

ESRTP4+
Programmable 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.
Installer Instructions
1 Technical Specification
1.1 Programmable Room Thermostat 6
2 Installation Instructions
2.1 Installation Safety Instructions 7
2.2 General Safety 7
2.3 Maintenance 7
2.4 Safety Notice 8
2.5 Wiring Diagram 8
2.6 Fitting the Thermostat 9
3 Technical Settings
3.1 Setting TPI, Delayed & Optimum Start 11
3.2 Setting Sensitivity/Swing and Calibration 11
3.3 Opentherm Parameter Settings 12
3.4 Setting the Landlord Service & Time Events 13
3.5 Lockout Feature 15
3.6 Setting the Installer Lockout Feature 15
Contents
23

4 5
Installation Instructions

6 7
Programmable Room Thermostat
Programming 7 Day, 5/2 Day & 24Hr
Power supply 2 x 1.5V Lithium batteries
(type: AA size)
Temperature sensor type +/- 0.5°C at 20°C
Temperature adjustment range 5°C to 35°C
Total switch rating 6(2)A 230VAC
Contact type SPDT
(Volt free changeover contacts)
OpenTherm
Connections Polarity free
Maximum line length 50 meters
Maximum cable resistance 2.5 Ohms
Plastic Thermoplastic, flame retardant
Number of programs 4 or 6 (Default: 4)
Protection rating IP30
Dimensions 127mm(L) x 81mm(W) x 28mm(D)
Number of events per day 4 - 6
BST/GMT time change Automatic
Factory pre-set programme Yes
Complies with:
EN60730-1 EN 60730-2.7, EMC
Directive 2014/30/EU, LVD
Directive 2014/35/EU
1. Technical Specification 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 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.
2.2 General Safety Instructions
When fitting batteries, do not mix old and new batteries
together. Do not use rechargeable batteries.
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 93/68/EEC
2.3 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.

8 9
2.4 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.
2.5 Wiring Diagram
2.6 Fitting the Programmable Room Thermostat
The ideal position to locate the Programmable 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 in the
two holes at the top of the programmer and separate
from back plate.
2. Fix the back plate directly on the wall using suitable
wall plugs and screws.
3. Unscrew the cover that is protecting the live terminals.
Lift the cover to expose the wiring block, taking care to
retain the screw.
4. Complete the connections in accordance with the
wiring diagram (page 8).
5. Replace the thermostat onto the back plate, securing
the bottom of the thermostat first and clicking the
thermostat into place.
Terminal Identifier Description
1 N/C Normally closed (NC)
2 COM Linked Live Feed (230V AC Heating
Applications Only)
3 N/O Normally open
For information on wiring to the boiler please
contact your boiler manufacturer directly!
1.5m
1
N/C
OFF
COM
ON
N/O
2 3OT OT
ESRTP4+
2XLR(AA)1.5V
Max Load: 1380W
6(2) Amp 230 VAC
TM
0 753677 551329

10 11
6. Insert the 2 x AA batteries provided in the battery
compartment on the front of the thermostat,
underneath the fascia. The Programmable Room
Thermostat is now installed and will automatically
start to control the room temperature according to
the factory pre-set programme as shown in the User
Instructions. The display shows the correct time and
date which is automatically set together with the
actual room temperature.
3. Technical Settings
3.1 Setting TPI, Delayed or Optimum Start
1. Switch the slider to OFF. Press and keep holding the A
and Hbuttons together (under the fascia), then press
the Next button to enter the technical settings.
Release all buttons.
2. Press the +/–buttons to choose between:-
OFF: The programme will run according to settings
DS (dL StAr DS): When ON, the programmer will run in
Delayed Start mode. The start of the next programme
may be delayed up to 45 minutes depending on the
room temperature
OS (OP StAr OS): When ON, the programmer will run
in Optimum Start mode
3. Press the Next button and press the +/–buttons to
turn OP STOP (Optimum Stop) ON/OFF.
4. Press the Next button to enter the TPI settings. Press
+/–to choose between:-
OFF: Working under normal swing value
3 Cycles: ON/OFF one cycle is 20 minutes. This is
recommended for oil boilers
6 Cycles: ON/OFF one cycle is 10 minutes. This is
recommended for gas boilers (default setting)
5. Press the Next button to continue to the Sensitivity/
Swing and Calibration settings below.
3.2 Setting Sensitivity/Swing and Calibration
1. Switch the slider to OFF. Press and keep holding the A
and Hbuttons together (under the fascia), now press

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the Next button and the technical settings menu will
be displayed. Release all buttons.
2. Press the Next button until you get to the SWING
settings (5U1n9 is displayed at the bottom of the LCD
next to a flashing 0.5). Press +/–to choose between 0.5
to 2.0
3. Press the Next button to enter the ADJ settings.
Press +/–to choose between -3 to 3 (this calibrates the
temperature).
3.3 Opentherm Parameter Settings
OpenTherm Settings:
To Adjust the Opentherm Settings:
1. Move the slider to the OFF position
2. Press and hold A, H and the Home button until
Parameter 01 on the right-hand side of the screen is
displayed.
3. Continue to press the Next button to scroll through
the different menus below
Menu Parameter Settings
3.4 Setting the Landlord Service & Time Events
1. Switch the slider to OFF. Press and keep holding the A
and H buttons together (under the fascia), now press
the Next button and the technical settings menu will
be displayed. Release all buttons.
2. Press the Next button until you get to CODE. A
numeric password will be required to enter this section.
The factory default password is 0000.
N.B. The screen will display Err if the incorrect password is
entered.
3. Press +/–to enter the first digit of the password. Press
the Hbutton to move to the next digit. Repeat this until
all 4 digits have been entered.
4. Press the Next button to enter the service interval
settings.
5. Use the +/–buttons to choose between:-
OFF: Turns the service interval off
TIME/DATE PROG OFF MAN AUTO
A C H
AM
PM
SET
AUTO DS OS SER OST TPI MAN
°C
AM
PM
SET
AUTO DS OS SER OST TPI MAN
°C
Parameter Feature Comment
01 Low Load control Use + or – to disable (OFF) /
enable (ON). default is ON.
02 Flow Water Temperature
03 Return Water Temperature
04 Domestic Hot Water
Temperature
05 DHW settings Use + or – to disable (OFF) /
enable (ON). default is OFF
06 Hot Water Set Point (60°c default setpoint) N.B. Hot
Water Set Point is only displayed
if DHW is enabled in 05 above

14 15
1: Reminds the user when the annual service is due by
displaying SER in the screen 30 days before due date
2: Reminds the user when the annual service is due by
displaying SER in the screen 30 days before due date
and only allows the system to run for 45 minutes per
hour after the due date has passed
3: Reminds the user when the annual service is due by
displaying SER in the screen 30 days before due date
and only allows the system to run for 30 minutes per
hour after the due date has passed
4: Reminds the user when the annual service is due by
displaying SER in the screen 30 days before due date
and only allows the system to run for 15 minutes per
hour after the due date has passed
6. Press the Next button. Use +/–to set the due date
(from 28 - 366 days).
7. The left of the LCD screen will display the recorded
running time. Holding the Cbutton for 2 seconds will
zero to the time.
8. To change the code, go to the Due Date setting (in SER
settings), press the Abutton for 2 seconds. NEU CODE
will appear at the bottom of the LCD display. Press
+/–to set the first digit, then press the Hbutton. Repeat
this for all four digits. Press the Abutton for 2 seconds
again to set the new code. The screen will display SET
to confirm the change.
9. The system will start timing after the thermostat is
powered on (Running Time). When the running time
reaches 30 days from the Due Date, the screen will
display SER. When the running time is more than or
equal to the Due Date, the screen will display SER
constantly and the system ON time will be controlled by
the SER SET.
N.B. When the system is running to the ON condition, but is
limited by the SER SET (and therefore cannot be ON),
the screen will flash the ON symbol.
10. Press the Next button to enter the PROGRAMMES
setting, press +/–to choose either 4 or 6 time
temperature events per day.
11. To exit the installer setting press the Home button.
3.5 Lockout Feature:
The RTP4 and RTP4RF comes with a lockout feature which
enables the installer to disable certain functions of the
thermostat to a complete lockdown depending on the mode
selected.
3.6 Setting the Installer Lockout Mode
1. Follow steps 1 to 4 above
2. Press the Next button to enter the installer lock
settings.
3. Use the +/– buttons to choose between: -
Default Setting 1
This mode works as a standard Programmable Room
Thermostat.
Partial Lockout 2
This mode allows the installer to set the Maximum
temperature Setpoint (factory default 21°c), and allows
the end user to adjust all other settings apart from
maximum temperature set point.

Partial Lockout 3
This mode allows the installer to set the Maximum
temperature Setpoint (factory default 21°c), and locks
all keys/slider except, to change the time and date, off
(frost protection) and allow temporary manual override
(temperature Up/Down arrows).
Partial Lockout 4
This mode allows the installer to set the Maximum
temperature Setpoint (factory default 21°c), and locks
all keys/slider except from off (frost protection) and
allow temporary manual override (temperature Up/
Down arrows).
Full Lockout 5
This mode locks all keys/slider. The End user cannot
adjust anything.
4. To exit the Installer Menu, press the Home button.
N.B. *Temperature can be adjusted up to the installer
set limits.
Number Time /
Date Program
Permanent
Manual
Override
Temp
Manual
Override
All Day Holiday
1✓ ✓ ✓ ✓ ✓ ✓
2✓ ✓ ✓*✓*✓*✓*
3✓ ✗ ✗ ✓*✗ ✗
4✗ ✗ ✗ ✓*✗ ✗
5✗ ✗ ✗ ✗ ✗ ✗
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 [e-mail] or for
technical queries call us on our dedicated technical
helpline 01280 816868.

Version 6.10.1