EPH CDT2 Istruzioni per l'uso
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CDT2 Room Thermostat
Contents
1.
Factory default settings
2.
Speci cation & 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. High and Low temperature limitation
11. Adjusting the switching di erential
12. Adjusting the setpoint temperature
13. Changing the thermostat mode
14. Normal control mode (On / O )
15. Delay start control mode
16. Time Proportional Integral Mode (TPI)
Prior to setting the thermostat, it is neccessary to complete all required settings described in this section.
1. Factory default settings
Contacts:
Temperature indicator:
Switching di erential:
In built frost protection:
High and Low temp. limitation: O
Blue backlight activated :
Keypad lock:
2. Speci cations & wiring
Power supply:
Power consumption:
Temp. control range:
Ambient temperature:
Contact rating:
Dimensions:
Temperature sensor:
Switching di erential:
Frost protection:
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:
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
[email protected] www.ephcontrols.com
Volt Free
°C
0.4°C
5°C
for 10 secs after any button is pressed
O
230Vac 50Hz
8 VA
5 ... 35°C
0 ... 50°C
7A 230Vac
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
1. Recessed conduit boxes
2. Surface mounting boxes
3. Directly on walls.
with Delay Start
5. Wiring diagram
INTERNAL WIRING DIAGRAM CDT2
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 reaches 5°C.
7. Button / Symbol description
Room temperature
On / Standby button
8. Resetting the thermostat
It is necessary to reset the thermostat prior to initial use.
Press and hold the
dEL will appear on the screen.
Press the
RESET
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
will disappear from the screen. The keypad is now unlocked.
EPH Controls UK
[email protected] www.ephcontrols.co.uk
Page 1 of 3
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 quali ed 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.)
Important: Keep this document
3 2 1 L N
ON
COM
OFF
MAINS
SUPPLY
5°C
Set button
Set
button for 5 seconds.
button on the side of the thermostat.
OFF
and
and
Heating ON symbol
Reset button
Set point increase
Set point decrease
buttons for 5 seconds.
buttons for 5 seconds.
20221103_CDT2-230-DS-TPI_Opsins_PK