EPH CONTROLS CDTP2 Hardwired Room Thermostat Instruction Manual

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Boiler Plus  

Page 1 of 2  

Operating Instructions  

CDTP2 Room Thermostat Hardwired  

Contents  

1. Factory default settings  

2. Specifications & wiring  

3. Mounting  

CAUTION!  

4. Installation  

5. Wiring diagram  

6. Frost protection  

Before commencing any work on the electrical  

connections, you must first disconnect the thermostat  

from the mains. None of the 230V connections must be  

live until the installation has been completed and the  

housing is closed. Only qualified electricians or authorised  

service staff are permitted to open the thermostat.  

7. Button / symbol description  

8. Resetting the thermostat  

9. Keypad lock and unlock  

10. Setting the date, time and operating mode  

11. Factory default program settings  

12. Adjusting the program settings for 5/2d  

13. Temporary override (Manual)  

14. Permanent override (Hold)  

15. Adjusting the switching differential  

16. Installer menu  

There are parts that may carry mains voltage behind the  

cover. The thermostat must not be left unsupervised  

when open. (Prevent non specialists and especially  

children from gaining access to it.)  

Important: Keep this document  

Prior to setting the thermostat, it is neccessary to complete all required settings described in this section.  

1. Factory default settings  

5°C  

6. Frost protection  

Contacts:  

Volt Free  

Frost protection is built into this thermostat, it is pre fixed at 5°C and is not  

adjustable.  

Temperature indicator:  

Switching differential:  

In built frost protection:  

Blue backlight activated :  

Clock:  

°C  

0.4°C  

5°C  

It will only be activated when the thermostat is in the stand by mode and  

the room temperature falls below 5°C.  

for 10 secs after any button is pressed  

24 hours  

Off  

Keypad lock:  

Operating mode:  

5/2 day  

7. Button / Symbol description  

Keypad lock symbol  

Heating ON symbol  

Current programme  

2. Specifications & wiring  

Power supply:  

230Vac 50Hz  

Power consumption:  

Temp. control range:  

Ambient temperature:  

Contact rating:  

8 VA  

5 ... 35°C  

0 ... 50°C  

8A 230Vac  

Day of the week  

Dimensions:  

84 x 84 x 30mm  

NTC 10K Ohm @ 25°C  

Adjustable from 0.2/0.4/0.6/0.8/1.0˚C  

Only operational in stand by mode  

Temperature sensor:  

Switching differential:  

Frost protection:  

Program  

P3  

Standby symbol  

Reset button  

Set point increase  

Set point decrease  

OK button  

3. Mounting  

The mounting height should be 1.5 meters above the floor level.  

The thermostat should be wall mounted in the room where the heating is to  

be controlled.  

Hold button  

Standby button  

Set button  

The place of installation should be chosen so that the sensor can measure the  

room temperature as accurately as possible.  

Choose the mounting location to prevent direct exposure to sunlight or other  

heating / cooling sources when mounted.  

8. Resetting the thermostat  

The unit can be fitted to:  

1. Recessed conduit boxes  

2. Surface mounting boxes  

3. Directly on walls.  

It is necessary to reset the thermostat prior to initial programming.  

RESET  

Press the  

‘NO’will appear on the screen.  

Press the button.  

button on the side of the thermostat.  

4. Installation  

Slacken the fastening screw on the bottom of the thermostat with a philips  

head screwdriver.  

‘YES’will appear on the screen.  

The thermostat is hinged and can be opened 180 degrees.  

Mount the unit as described in section 3.  

Press the ‘OK’button to return to normal operation.  

Wire the thermostat according to the wiring diagram.  

Close the thermostat and tighten the fastening screw.  

OFF  

9. Keypad lock and unlock  

To lock the keypad, press and hold the  

will appear on the screen. The keypad is now locked.  

To unlock the keypad, press and hold the and buttons for 5 seconds.  

will disappear from the screen. The keypad is now unlocked.  

and  

buttons for 5 seconds.  

5. Wiring diagram  

3 2 1 L N  

INTERNAL WIRING DIAGRAM CDTP2  

ON COM OFF  

MAINS  

SUPPLY  

If mains voltage output is required, terminals L & 2 must be electrically linked.  

EPH Controls Ireland  

EPH Controls UK  

technical@ephcontrols.com www.ephcontrols.com  

technical@ephcontrols.com www.ephcontrols.co.uk  

20221006_CDTP2_Opins_PK  

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General	Details
Name	EPH CONTROLS CDTP2 Hardwired Room Thermostat Instruction Manual
Make	EPH CONTROLS
Language	English
Filetype	PDF (Download)
File size	0.19 MB

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EPH CONTROLS CDTP2 Hardwired Room Thermostat Instruction Manual Overview

Summary of Contents

• Page 1: Boiler Plus Operating instructions CDTP2 room thermostat hardwired Contents Factory default settings Specifications & wiring Mounting Installation Wiring diagram Frost protection Important: Keep this document Frost protection is built into this thermostat, it is pre-fixed at 5°C and is not adjustable. The mounting height should be 1.5 meters above the floor level. The thermostat should be wall mounted in the room where the heating is to be controlled. It is necessary to reset the thermostat prior to initial programming. To lock the keypad, press and hold the button. The keypad is now locked.
• Page 2: Boiler Plus Operating Instructions Adjusting the switching differential Setting the date, time and operating mode To access the installer menu, you must hold OK and for 5 seconds. When the thermostat is in Normal mode, it will try to reach the target temperature after the program changes. When the thermostat is in Optimum Start mode, it will try to reach the target temperature by the start time of the next switching time. The target temperature difference (TTD) is the difference between the setpoint temperature and the room temperature. Programming for Monday to Friday is now selected. If 7D mode is selected, you can program each day of the week with 6 individual times and temperatures. Press the button to return to automatic mode.