INDIVIDUAL PARTS AND CONTROLS
No. Symbol
Function Status
1
FNC button
Back/Exit button
2
SET button
Sets the variable
8
Buttons
Navigation
UP/DOWN
4
OUT / Com-
pressor LED
While the compressor ris idle, the symbol flashes. If it is
running, the display remains lit.
5
Alarm
The LED lights up if the temperature exceeds the set
range or if the sensor fails.
6
°C
Constant illumination when the Celsius display is
activated.
Connecting the thermostat
Make absolutely certain that the stated voltage range is not exceeded or not
reached The device will not function properly, and a short circuit could occur.
START UP/REPLACEMENT OF BATTERIES
Setting temperature target value
1. Press the SET key briefly to set the temperature.
2. Press SET again to toggle the current target value of the temperature.
3. As soon as the target value is displayed, you can adjust the desired target value with the
UP/DOWN buttons.
4. Pressing the FNC button applies the change, and the current temperature is displayed
again.
Method for reaching the remaining parameters
The ETC-902 lists all variables clearly in four folders: [CP], [diS], [CnF] and [FPr]
You can access the folders with the following method:
1. To get to the main menu, press the SET button for at least 5 seconds, until the [CP] logo
lights up.
2. To enter the folder, press the SET button again. Now the first parameter [diF] of the folder
should light up.
3. You can now navigate through the folder using the UP/DOWN buttons.
4. To view or change one of the variables, press SET while the parameter code is displayed
and you will reach the value. You can change the setting using the navigation buttons.
5. Press the FNC button to leave the settings menu; pressing it again brings you back to the
original main menu.
If the text [PAI] appears, a password is active.
To display the other folders, navigate with the UP/DOWN buttons in the main menu.
To view, change or leave the parameters, proceed as described above.
G
OPERATING INSTRUCTIONS
TEMPERATURE CONTROL ETC 902
ITEM NO.
INTENDED USE
The ETC 902 is a temperature controller operated with 230 volts of alternating current that
is designed to control the relay with the help of a temperature sensor. The thermostat thus
enables the operation of a compressor for temperature regulation.
The safety instructions must absolutely be observed.
PACKAGE CONTENTS
• Thermostat
• NTC temperature sensor (cable length approx. 2 m)
• Operating instructions
Up-to-date operating instructions:
1. Open www.conrad.com/downloads in a browser or scan the dis-
played QR code.
2. Select document type and language and enter the item number
into the search field. After submitting the query you can download
displayed records.
EXPLANATION OF SYMBOLS
The lightning symbol inside a triangle is used when there is a potential risk of
personal injury, such as electric shock.
An exclamation mark in a triangle indicates important instructions in this operating
manual which absolutely have to be observed.
The arrow symbol is used to indicate where specific tips and information on handling
should be given.
SAFETY INSTRUCTIONS
Damage resulting from a failure to follow these operating instructions will
void the warranty. We do not assume any liability for any subsequent damage.
We do not assume any liability for personal injuries and material damage
caused by the improper use or non-compliance with the safety instructions.
In such cases, the warranty will be null and void.
Dear Customer, the following safety instruction is intended not only for the protec-
tion of your health, but also for the protection of the product.
Therefore, please read the following points very carefully before connecting and
using the product for the first time.
• Do not bring the device into contact with moisture; if liquids get into the housing,
the device can be severely damaged.
• Keep the device out of the reach of children. The thermostat is not a toy. The
included small parts can be swallowed.
• Use the device only at the stated operating voltage; see the specifications for the
power supply below for the technical parameters intended for this purpose.
• Use the device only for the intended purpose. The warranty will be void in the
case of damage caused by improper use.
• The unauthorised conversion and/or modification of the product is not permitted
for safety and approval reasons (CE).
• Handle the product with care; it can be damaged by impacts, blows, or accidental
falls, even from a low height.
• The connection may be carried out only by persons who are familiar with the
required regulations and potential dangers. If you have doubts about the function,
safety or connection of the product, consult a trained technician.
VERSION 02/17
1389203
L1
L1
230V/AC
N
N
Compressor
Sensor
Port not
applicable
for users
