Eph controls CDTP2 User Manual
Page 1 of 2
CDTP2 Room Thermostat Hardwired
Contents
1. Factory default settings
2. Specications & wiring
3. Mounting
4. Installation
5. Wiring diagram
6. Frost protection
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 dierential
Prior to setting the thermostat, it is neccessary to complete all required settings described in this section.
1. Factory default settings
Contacts: Volt Free
Temperature indicator: °C
Switching dierential: 0.4°C
In built frost protection: 5°C
Blue backlight activated : for 10 secs after any button is pressed
Clock: 24 hours
Keypad lock: O
Operating mode: 5/2 day
2. Specications & wiring
Power supply: 230Vac 50Hz
Power consumption: 8 VA
Temp. control range: 5 ... 35°C
Ambient temperature: 0 ... 50°C
Contact rating: 8A 230Vac
Dimensions: 84 x 84 x 30mm
Temperature sensor: NTC 10K Ohm @ 25°C
Switching dierential: Adjustable from 0.2/0.4/0.6/0.8/1.0˚C
Frost protection: Only operational in stand by mode
Operating Instructions
CAUTION!
Before commencing any work on the electrical
connections, you must rst 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 qualied electricians or authorised
service sta are permitted to open the thermostat.
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.)
Impor tant: Kee p this document
5. Wiring diagram
INTERNAL WIRING DIAGRAM CDTP2
If mains voltage output is required, terminals L & 2 must be electrically linked.
6. Frost protection
Frost protection is built into this thermostat, it is pre xed at 5°C and is not
adjustable.
It will only be activated when the thermostat is in the stand by mode and
the room temperature falls below 5°C.
7. Button / Symbol description
Keypad lock symbol
Heating ON symbol
Current programme
321LN
ON OFFCOM
5°C
MAINS
SUPPLY
3. Mounting
The mounting height should be 1.5 meters above the oor level.
The thermostat should be wall mounted in the room where the heating is to
be controlled.
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.
The unit can be tted to: 1. Recessed conduit boxes
2. Surface mounting boxes
3. Directly on walls.
4. Installation
Slacken the fastening screw on the bottom of the thermostat with a philips
head screwdriver.
The thermostat is hinged and can be opened 180 degrees.
Mount the unit as described in section 3.
Wire the thermostat according to the wiring diagram.
Close the thermostat and tighten the fastening screw.
EPH Controls Ireland
Sitecast Industrial Estate, Pouladu,
Cork, T12 W665, Ireland
sales@ephcontrols.com www.ephcontrols.com
Program
P3
Standby symbol
OK button
Hold button
Standby button
Set button
8. Resetting the thermostat
It is necessary to reset the thermostat prior to initial programming.
Press the button on the side of the thermostat.
‘NO’ will appear on the screen.
Press the button.
‘YES’ will appear on the screen.
Press the ‘OK’ button to return to normal operation.
EPH Controls UK
Unit E4, Welland Business Park, Valley Way, Market Harborough,
Leicestershire, LE16 7PS, United Kingdom
sales@ephcontrols.co.uk www.ephcontrols.co.uk
RESET
Day of the week
Reset button
Set point increase
Set point decrease
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CDTP2 Room Thermostat Hardwired
5/2D
7D
24H
OFF
5 / 2d
14:00
14:00
14:00
17:30
17:30
17:30
22:00
22:00
22:00
9. Keypad lock and unlock
To lock the keypad, press and hold the and buttons for 5 seconds.
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.
10. Setting the date, time and operating mode
Press the button once. ‘Set Date Year’ will appear on the screen.
Press the or buttons to adjust the year. Press the ‘OK’ button.
Press the or buttons to adjust the month. Press the ‘OK’ button.
Press the or buttons to adjust the day. Press the ‘OK’ button.
Press the or buttons to adjust the hour. Press the ‘OK’ button.
Press the or buttons to adjust the minute. Press the ‘OK’ button.
Press the or buttons to adjust from 5/2d to 7d or 24h mode.
Press the button or wait 10 seconds and the thermostat will return to
normal operation.
Set
11. Factory program setting
P1 P2 P3 P4 P5 P6
Mon-Fri
Sat-Sun
Mon-Fri
Sat-Sun
Everyday
06:30
21˚C 18˚C 21˚C 18˚C 21˚C 16˚C
08:00 10:00 12:00 14:00 17:30 23:00
21˚C 18˚C 21˚C 18˚C 21˚C 16˚C
P1 P2 P3 P4 P5 P6
06:30
21˚C 18˚C 21˚C 18˚C 21˚C 16˚C
08:00 10:00 12:00 14:00 17:30 23:00
21˚C 18˚C 21˚C 18˚C 21˚C 16˚C
P1 P2 P3 P4 P5 P6
06:30
21˚C 18˚C 21˚C 18˚C 21˚C 16˚C
08:00
08:00
08:00
12:00
12:00
12:00
Operating Instructions
12. Adjusting the program settings for 5/2d
Press the button twice.
Programming for Monday to Friday is now selected.
Press the and buttons to adjust the P1 time. Press the ‘OK’ button.
Press the and buttons to adjust the P1 temp. Press the ‘OK’ button.
Repeat this process to adjust P2 to P6 times and temperatures.
Press the button.
Programming for Saturday to Sunday is now selected.
Press the and buttons to adjust the P1 time. Press the ‘OK’ button.
Press the and buttons to adjust the P1 temp. Press the ‘OK’ button.
Repeat this process to adjust P2 to P6 times and temperatures.
Press the button to return to automatic mode.
If 7 D mode is selected, you can program each day of the week with 6
individual times and temperatures.
If 24H mode is selected, you can only program each day of the week with the
same 6 times and temperatures.
13. Temporary override (Manual)
Press the and buttons to adjust the temperature setpoint.
‘Manual’ will appear on the screen.
Press ‘OK’ or after 10 seconds the thermostat will operate in this
temporary override.
Press the button to return to automatic mode.
14. Permanent override (Hold)
Press the button.
‘Hold’ will appear on the screen.
Press the and buttons to adjust the temperature setpoint.
Press ‘OK’ or after 10 seconds the thermostat will operate in this
permanent override.
Press the button to return to automatic mode.
Set
Set
Hold
EPH Controls Ireland
Sitecast Industrial Estate, Pouladu,
Cork, T12 W665, Ireland
sales@ephcontrols.com www.ephcontrols.com
15. Adjusting the switching dierential
Press the ‘OK’ and ‘Hold’ buttons for 5 seconds.
‘0.4˚C’ will appear on the screen.
Press the up or down buttons to adjust from 0.2, 0.4, 0.6, 0.8 or 1C.
Press the button to return to normal operation.
EPH Controls UK
Unit E4, Welland Business Park, Valley Way, Market Harborough,
Leicestershire, LE16 7PS, United Kingdom
sales@ephcontrols.co.uk www.ephcontrols.co.uk
0.4˚C
20170731_AW1077_CDTP2_OpIns_JW
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