Danfoss ECtemp 316 User manual

Danfoss ECtemp 316

Electronic Thermostat

Installation Guide

electricheating.danfoss.com

Danfoss ECtemp 316

3Installation Guide

1 Introduction

ECtemp 316 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.

ECtemp 316 applies to the control of room temperature,

oor temperature, ventilation, cooling or to the control of

snow melting in gutters and similar installations.

For measuring purposes either a wire sensor or an external

air sensor is used.

Table of Contents

1 Introduction � � � � � � � � � � � � � � � � � � � � � � � 3

1.1 Technical Specications . . . . . . . . . . . . 4

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

2 Mounting Instructions � � � � � � � � � � � � � � � � � 6

3 Settings � � � � � � � � � � � � � � � � � � � � � � � � � � 8

3.1 Hysteresis . . . . . . . . . . . . . . . . . . . . . 8

3.2 Minimum Temperature Limiter . . . . . . . . 8

3.3 Temperature Set-back. . . . . . . . . . . . . . 9

4 Warranty� � � � � � � � � � � � � � � � � � � � � � � � � 10

5 Disposal Instruction � � � � � � � � � � � � � � � � � 12

Danfoss ECtemp 316

Installation Guide4

The thermostat has a button to adjust the temperature

setting with a scale from -10 °C to +50 °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

1�1 Technical Specications

Operation voltage 220-240 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 max 1 A

Sensing units NTC 15kOhm at 25 °C

Sensing values:

0°C

25°C

50°C

42 kOhm

15kOhm

6 kOhm

Hysteresis 0 to 6 °C

Ambient temperature 10 °C to +45 °C

Lowering in economy periods 0 to 8 °C

Temperature range -10 °C to +50 °C

Minimum temperature range -10 °C to +5 °C

Cable specication max 1x4 mm or 2x2,5 mm

Danfoss ECtemp 316

5Installation Guide

Ball pressure temperature 75 °C

Pollution degree 2 (domestic use)

Type 1B

Storage temperature -20°C to +65°C

IP class 30

Protection class Class II -

Dimensions 86 x 36 x 58 mm

Weight 180 g

The product complies with the EN/IEC Standard“Automatic

electrical controls for household and similar use”:

• EN/CEI 60730-1 (general)

• EN/CEI 60730-2-9 (thermostat)

1�2 Safety Instructions

Make sure the mains supply to the thermostat is turned o

before installation.

IMPORTANT: When the thermostat is used to control a

oor heating element in connection with a wooden oor or

similar material, always use a oor sensor and never set the

maximum oor temperature to more than 35 °C.

Danfoss ECtemp 316

Installation Guide6

Please also note the following:

• The installation of the thermostat must be done by an

authorized and qualied installer according to local

regulations.

• The thermostat must be connected to a power supply

via an all-pole disconnection switch.

• 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.

Danfoss ECtemp 316

7Installation Guide

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 D316

121110987

654321 N

Mains

220-240V~

250V~

16 (1) A

SensorMin.

Danfoss A/S

Ulvehavevej 61

7100 Vejle

Denmark

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.

3. Turn on the power supply.

Protective separation

The thermostat is designed so that the sensor circuit is gal-

vanically separated from the high voltage part which means

that the sensor part is regarded as a low voltage part.

Danfoss ECtemp 316

Installation Guide8

3 Settings

A Night set-back

B Minimum temperature

limiter

C Hysteresis

3�1 Hysteresis

When the thermostat is used to apply with either heat-

ing systems or refrigerating systems, and the requested

temperature is between -10 °C to +50 °C, then it is recom-

mendable also to adjust the hysteresis Caccording to the

requested regulating range.

As an example if the temperature is set at 18 °C and the hyster-

esis at 3 °C the thermostat will switch on at 18 °C and o at 21 °C.

For controlling of room temperature the Hysteresis is rec-

ommended to the set point of 1 °C.

3�2 Minimum Temperature Limiter

When the thermostat is used in connection with snow and

ice melting systems, it is recommendable also to use and

adjust the minimum temperature limiter (B) which ensures

Danfoss ECtemp 316

9Installation Guide

both an upper and lower temperature range in between

which the thermostat allows the system to heat.

The requested maximum temperature range has to be

between -10 °C to +50 °C and the requested minimum

temperature range has to be between -10 °C to +5 °C.

An link between terminal 9+10 must be connected to acti-

vate the use of the minimum temperature feature when the

thermostat controls snow and ice melting in gutters, valley

gutters and down pipes, where the waste of unnecessary

energy must be avoided. In particular by extremely cold

weather where owing water or moisture does not occur.

When the temperature drops below the minimum tem-

perature set value, the thermostat stops heating and the

LED indicator turns yellow.

When the temperature exceeds the maximum temperature

setting, the thermostat stops heating and both the indica-

tor for minimum and maximum temperature disappears.

3�3 Temperature Set-back

By connecting an external timer to terminals 4 and 6, the

thermostat can be set to reduce the temperature by 0 °C to

8 °C (A).

Danfoss ECtemp 316

Installation Guide10

4 Warranty

A 2-year product warranty is valid for:

• thermostats: ECtemp 316.

Should you, against all expectations, experience a problem with your Danfoss

product, you will nd that Danfoss oers Danfoss warranty valid from the date

of purchase on the following conditions: During the warranty period Danfoss

shall oer a new comparable product or repair the product if the product is

found to be faulty by reason of defective design, materials or workmanship. The

repair or replacement.

The decision to either repair or replace will be solely at the discretion of Dan-

foss. Danfoss shall not be liable for any consequential or incidental damages

including, but not limited to, damages to property or extra utility expenses. No

extension of the warranty period following repairs undertaken is granted.

The warranty shall be valid only if the WARRANTY CERTIFICATE is completed

correctly and in accordance with the instructions, the fault is submitted to the

installer or the seller without undue delay and proof of purchase is provided.

Please note that the WARRANTY CERTIFICATE must be lled in, stamped and

signed by the authorized installer performing the installation (Installation

date must be indicated). After the installation is performed, store and keep the

WARRANTY CERTIFICATE and purchase documents (invoice, receipt or similar)

during the whole warranty period.

Danfoss warranty shall not cover any damage caused by incorrect conditions of

use, incorrect installation or if installation has been carried out by non-author-

ized electricians. All work will be invoiced in full if Danfoss is required to inspect

or repair faults that have arisen as a result of any of the above. The Danfoss

warranty shall not extend to products which have not been paid in full. Danfoss

will, at all times, provide a rapid and eective response to

all complaints and inquiries from our customers.

The warranty explicitly excludes all claims exceeding the

above conditions.

For full warranty text please use QR code

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