Danfoss ECtemp 330 Manuale utente

ECtemp 330 (+5 to +45°C)

Electronic Thermostat

Installation Guide

electricheating.danfoss.com

ECtemp 330 (+5 to +45°C)

Installation Guide2

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

structions 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.

ECtemp 330 (+5 to +45°C)

3Installation Guide

1 Introduction

ECtemp 330 is an electronic thermostat to be installed in

electric cabinets with DIN rail attachment. The thermostat

must be installed via an all-pole disconnection switch. Ei-

ther a ﬂoor sensor or an external room 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 +5 to +45°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

Table of Contents

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

1.1 Technical Speciﬁcations . . . . . . . . . . . 4

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

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

3 Settings . . . . . . . . . . . . . . . . . . . . . . . . 7

4 Warranty. . . . . . . . . . . . . . . . . . . . . . . . 9

5 Disposal Instruction . . . . . . . . . . . . . . . . 9

ECtemp 330 (+5 to +45°C)

Installation Guide4

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 +5 to +45°C

Cable speciﬁcation max 1x4mm² or 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 (+5 to +45°C)

5Installation 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.

IMPORTANT: When the thermostat is used to control a

ﬂoor heating element in connection with a wooden ﬂoor or

similar material, always use a ﬂoor sensor and never set the

maximum ﬂoor temperature to more than 35°C.

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.

ECtemp 330 (+5 to +45°C)

Installation Guide6

• Always connect the thermostat to continuous power

supply.

• Do not expose the thermostat to moisture, water,

dust, and excessive heat.

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

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.

+5°C to

+45°C

ECtemp 330 (+5 to +45°C)

7Installation Guide

The screen of the heating cable must be connected

to the earth conductor of the power supply cable by

using a separate connector.

Note: Always install the ﬂoor sensor in a conduit in

the ﬂoor.

3. Turn on the power supply.

3 Settings

If a ﬂoor sensor is used, please be aware of the following:

• The ﬂoor temperature is measured where the sensor

is placed.

• The temperature of the bottom of a wooden ﬂoor can

be up to 10 degrees higher than the top.

ECtemp 330 (+5 to +45°C)

Installation Guide8

• Floor manufactures often specify the max tempera-

ture on the top surface of the ﬂoor (usually 27-28˚C).

• Always use a ﬂoor sensor to control ﬂoor heating.

Without a ﬂoor sensor, the temperature control may

be less accurate and you risk overheating the ﬂoor.

Thermal

resist-

ance

[m²K/W]

Examples of

ﬂooring

Details Approximate

setting for

25˚C ﬂoor

temperature

0.05 8 mm HDF based

laminate

> 800 kg/m³ 28˚C

0.10 14 mm beech

parquet

650 - 800

kg/m³

31˚C

0.13 22 mm solid oak

plank

> 800 kg/m³ 32˚C

< 0.17 Max. carpet thick-

ness suitable for

ﬂoor heating

acc. to EN

1307

34˚C

0.18 22 mm solid ﬁr

planks

450 - 650

kg/m³

35°C

ECtemp 330 (+5 to +45°C)

9Installation Guide

4 Warranty

5 Disposal Instruction

ECtemp 330 (+5 to +45°C)

Installation Guide10

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