Danfoss ECtemp 535 User manual
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
Table of contents
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