Danfoss ECtemp 535 User manual

MAKING MODERN LIVING POSSIBLE

User Guide

ECtemp 535

Electronic Intelligent Thermostat

www.EH.danfoss.com

Table of Contents

1 Introduction ............... 4

1.1 Safety Instructions ........ 5

2Settings ................. 6

2.1 Increase/Decrease Preferred Tem-

perature .............. 7

2.2 Time and Day of Week ...... 7

2.3 Periods with Lowering of Temper-

ature ................ 8

2.4 Minimum Floor Temperature .. 14

2.5 Frost Protection ......... 15

2.6 Safety Lock ............ 16

2.7 Switching Between Floor and

Room Temperature ....... 16

2.8 Turning the Thermostat On and

Off ................. 17

3 Error Messages ............. 18

4 Warranty ................. 20

5 Disposal Instruction .......... 20

ECtemp 535

User Guide 3

1 Introduction

ECtemp 535 is a electronic timer temperature controller

specially designed for floor heating systems.

Once set, the thermostat automatically adjusts the heating

to meet your comfort levels regardless of changing weath-

er conditions by measuring the floor temperature and com-

bining it with the room temperature.

Even the programming of economy temperatures (i.e. low-

ering of temperature during the night and when you are

out of the house) is very simple. Just choose the pro-

gramme that fits your daily rhythm best.

Furthermore, the thermostat features a minimum floor

temperature setting, eg. for keeping your tile floors warm

in summer as well.

ECtemp 535

4 User Guide

1.1 Safety Instructions

Please observe the following guidelines:

▪Do not cover the thermostat, e.g. by hanging towels or

similar items in front of it! This will impair the ability of

the thermostat to sense and adjust the room tempera-

ture correctly.

▪Do not spill liquids of any kind into the thermostat.

▪Do not open, disassemble, or tamper with the thermo-

stat in any way.

▪If the thermostat is installed in a place frequented by

small children, use the safety lock.

▪Do not interrupt the power supply to the thermostat.

▪The installation of the thermostat must be done by an

authorized and qualified installer according to local

regulations.

The thermostat has a safety

switch. When turned off, all

electrical supply to the ther-

mostat is disconnected.

ECtemp 535

User Guide 5

2 Settings

Using clear visual symbols, the display of the thermostat

shows active and selected functions, the actual tempera-

ture and the time:

1. Days of week

2. Settings

3. Frost protection

4. Room temperature

5. Day rhythm periods and comfort / economy tempera-

ture

6. Actual temperature is displayed

7. Safety lock

8. Maximum / minimum temperature

9. Floor temperature

ECtemp 535

6 User Guide

2.1 Increase/Decrease Preferred Temperature

How to increase or decrease the temperature

1. Press the arrow buttons ▲▼ to either

increase or decrease the temperature.

The temperature is changed in incre-

ments of 0.1°C.

2. Press the • button to accept.

Note: If the thermostat is configured to use a floor sensor

only, and you try to increase the temperature above the

maximum floor temperature limit, the corresponding sym-

bol will flash on the display.

2.2 Time and Day of Week

How to set the time and day of week

1. Press the clock pinhole with a small

screw driver, pencil, or needle.

The display now changes from tem-

perature to time display.

ECtemp 535

User Guide 7

2. Press the • button and the hours start flashing. Use the

arrow buttons ▲▼ to select the hour.

3. Press the • button and the minutes start flashing. Use

the arrow buttons ▲▼ to select the minutes.

4. Press the • button and the day of week start flashing.

Use the arrow buttons ▲▼ to select the day of week.

The seven top bars indicate Monday through Sunday.

5. Press the • button to accept.

2.3 Periods with Lowering of Temperature

With ECtemp 535 you have the possibility of either setting

the thermostat to keep a constant temperature, or let the

thermostat automatically switch between periods with a

lower temperature (also called economy temperature) and

periods with comfort temperature.

Using the Timer Function

In order to automatically switch between comfort tempera-

ture and economy temperature (e.g. when going to bed or

to work), the timer function is used. A status bar in the bot-

tom of the display gives an overview of timer status.

ECtemp 535

8 User Guide

The day is divided into 4 time peri-

ods (see image): morning , day

, evening and night .

The start time of each period can be

configured.

The period symbol can be: Empty (thermostat is in

economy mode) or full (thermostat is in comfort

mode)

ECtemp 535

User Guide 9

Default timer settings

By default, the timer has the following settings:

Floor sensor

only Room sensor

only Floor and

Room sensor

Temperature:

Comfort 25 °C 21 °C 21 °C

Economy 5 °C 17 °C 17 °C

Periods – Day rhythm:

Morning 06:00-08:00

Day 08:00-16:00

Evening 16:00-22:30

Night 22:30-06:00

You can use these settings as they are, or you can change

them to match your day pattern.

Return to Default Timer Settings

1. Turn off the thermostat.

2. While pressing the pinhole button,

turn on the thermostat.

The LED indicator will now flash red/

green for 1 second indicating the ther-

mostat will reset.

ECtemp 535

10 User Guide

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