INDIVIDUAL PARTS AND CONTROLS
No. Symbol
Function
Status
1
Fan
ON: Fan is running
2
Defrosting
ON: Defrosting, flashes if activated manually
3
Compressor ON: Compressor is running, flashes in the event of
delays, protection or blocking
4
°C
Temperature unit
5
FNC key
Back/Exit key
6
SET button
Variable setting
7
Alarm
ON: Alarm is active, flashes if alarm is muted
8
Navigation
key
UP / DOWN
Connecting the temperature controller
230 V
10 A
230 V
10 A
230 V
10 A
230 V/AC
Make absolutely sure that the indicated voltage range is not exceeded or
fallen below. Otherwise the device would not function properly and a short
circuit may occur.
PUTTING INTO OPERATION AND USE
Setting temperature setpoint
Press the SET key briefly to proceed to the temperature menu. The lettering “SEt” lights up
if neither the password or alarm has been set. With the keys UP and DOWN you can scroll
through the following folders.
Pb1:
Indication of sensor value 1 (thermostat)
Pb2:
Indication of sensor value 2 (evaporator)
[SEt]: Setpoint setting folder
Set the temperature in the following way:
• When the parameter to be set is displayed, press the SET key.
• Press the SET key again to view the parameter.
• The value can be set by the UP and DOWN keys.
• Exit the setting mode by pressing FNC key.
• The measured temperature will be displayed again.
If the new setting should trigger alarm, you can determine the alarm parameter in
the folder [AL].
G
OPERATING INSTRUCTIONS
TEMPERATURE CONTROL ETC-974
ITEM NO.
INTENDED USE
The ETC 974 is a temperature controller operated by 230 VAC, capable of controlling three
relays independently of each other by means of two temperature sensors. Thus the controller
enables operation of three different devices for temperature regulation.
DELIVERY CONTENT
• Temperature controller
• 2x 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
displayed 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
Damages caused by failure to follow these operating instructions will void the
warranty/guarantee! We do not assume any liability for any resulting damage!
We do not assume any liability for material and personal damage caused by
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.
• The device must not contact with moisture as penetration of liquids into the hous-
ing may cause severe damage to the device.
• The product does not belong in the hands of children. The device is not a toy. The
included small parts may be swallowed.
• Operate the device with the specified operating voltage only; applicable technical
parameters can be found in the related power supply specifications.
• Only use this device for its intended purpose. Damages caused by the improper
use will void the warranty.
• 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.
• Connection may only be made by the persons familiar with the relevant regula-
tions and possible hazards. If you have doubts about how the equipment should
function or how to safely connect it, consult a trained technician.
VERSION 02/17
1389202
L1
L1
N
Compressor Fan
Defrosting
Normally closed
contact
Power supply
N
Port not
applicable
for users
