DEVIreg™ 330 is an electronic thermostat to be installed in
electric cabinets with DIN rail attachment. Used primarily for
controlling a lower temperature range as by frost protection.
The thermostat must be installed via an all-pole disconnection
switch. Either a wire sensor or an external air sensor must be
used to measure and control the desired temperature.
The thermostat has a button to adjust the temperature setting, with a scale from -10° to +10°C. An LED indicator shows
standby periods (green light) and heating periods (red light).
More information on this product can also be found at:
devireg.devi.com
3Installation Guide
DEVIreg™ 330 (-10 to +10°C)
1.1 Technical Specications
Operation voltage220-240 V~, 50 Hz
Standby power consumption Max 0,25 W
Relay:
Resistive load
Inductive load
Max 16 A / 3680 W @ 230 V
cos φ= 0,3 max1A
Sensing unitsNTC 15 kOhm at 25 °C
Sensing values:
0 °C
25 °C
50 °C
42 kOhm
15 kOhm
6 kOhm
Hysteresis± 0,2 °C
Ambient temperature10 °C to +50 °C
Lowering in economy periods -5 °C
Temperature range-10 °C to +10 °C
Cable specication max1x4 mm2 or 2x2,5 mm
Ball pressure temperature75 °C
Pollution degree2 (domestic use)
Type1C
Storage temperature-20 °C to +65 °C
IP class20
2
Installation Guide4
DEVIreg™ 330 (-10 to +10°C)
Protection classClass II
Dimensions86 x 36 x 58 mm
Weight83 g
The product complies with the EN/IEC Standard “Automatic
electrical controls for household and similar use”:
• EN/IEC 60730-1 (general)
• EN/IEC 60730-2-9 (thermostat)
1.2 Safety Instructions
Make sure the mains supply to the thermostat is turned o
before installation.
Please also note the following:
• The installation of the thermostat must be done by an
authorized and qualied installer according to local
regulations.
• The thermostat must be connected to a power supply
via an all-pole disconnection switch.
• The sensor is to be considered as live voltage. Have this
in mind if the sensor must be extended.
• Always connect the thermostat to continuous power
supply.
• Do not expose the thermostat to moisture, water, dust,
and excessive heat.
5Installation Guide
DEVIreg™ 330 (-10 to +10°C)
2 Mounting Instructions
Please observe the following placement guidelines:
• Install the thermostat in an electric cabinet with DIN
rail attachment or a separate DIN attachment according to local regulation on IP classes.
• Do not place the thermostat in a way that it will be
exposed to direct sunlight.
Follow the steps below to mount the thermostat:
1. Click the thermostat on to the DIN rail attachment.
2. Connect the thermostat according to the connection
diagram.
-10°C to
+10°C
Installation Guide6
DEVIreg™ 330 (-10 to +10°C)
N
L
PE
The screen of the heating cable must be connected
to the earth conductor of the power supply cable by
using a separate connector.
Note: When you use the wire sensor for oor heating,
always install the sensor in a conduit.