Danfoss ECtemp 330 User manual

MAKING MODERN LIVING POSSIBLE

Installation Guide

ECtemp 330

(-10 to+10°C)

Electronic Thermostat

www.EH.danfoss.com

Danfoss A/S is not liable or bound by warranty if these

instructions are not adhered to during installation or service.

The English language is used for the original instructions.

Other languages are a translation of the original instructions.

Table of Contents

1 Introduction ............... 3

1.1 Technical Specifications ..... 4

1.2 Safety Instructions ........ 5

2Mounting Instructions ......... 6

3Warranty ................. 7

4Disposal Instruction .......... 7

1Introduction

ECtemp 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 pro-

tection. 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 set-

ting, 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:

ectemp.danfoss.com

ECtemp 330 (-10 to +10°C)

Installation Guide 3

1.1 Technical Specifications

Operation voltage 220-240V~, 50Hz

Standby power consumption Max 0.25W

Relay:

Resistive load

Inductive load Max 16A / 3680W @ 230V

cos φ= 0.3 max1A

Sensing units NTC 15kOhm at 25°C

Sensing values:

0°C

25°C

50°C

42kOhm

15kOhm

6kOhm

Hysteresis ± 0.2°C

Ambient temperature 10°C to +50°C

Lowering in economy periods -5°C

Temperature range -10°C to +10°C

Cable specification max 1x4mm2or 2x2,5mm2

Ball pressure temperature 75°C

Pollution degree 2 (domestic use)

Type 1C

Storage temperature -20°C to +65°C

IP class 20

ECtemp 330 (-10 to +10°C)

4 Installation Guide

Protection class Class II -

Dimensions 86 x 36 x 58mm

Weight 83g

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 off

before installation.

Please also note the following:

▪The installation of the thermostat must be done by an

authorized and qualified 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.

ECtemp 330 (-10 to +10°C)

Installation Guide 5

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 accord-

ing to local regulation on IP classes.

▪Do not place the thermostat in a way that it will be ex-

posed 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.

IP20

10T50 D330

-10°C to

+10°C

8765

4321 L

Mains

220-240V~

250V~

16 (1) A

Sensor

ECtemp 330 (-10 to +10°C)

6 Installation Guide

The screen of the heating cable must be connected to

the earth conductor of the power supply cable by us-

ing a separate connector.

Note: It is recommended that you install the sensor in

a conduit.

3. Turn on the power supply.

3 Warranty

Y E A R

4 Disposal Instruction

ECtemp 330 (-10 to +10°C)

Installation Guide 7

ECtemp 330 (-10 to +10°C)

8 Installation Guide

ECtemp 330 (-10 to +10°C)

Installation Guide 9

ECtemp 330 (-10 to +10°C)

10 Installation Guide

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