Danfoss ECtemp 550 Manuel utilisateur
Table of Contents
1 Introduction ............... 4
1.1 Safety Instructions ........ 5
2Settings ................. 6
2.1 Frost Protection ......... 8
2.2 Time and Day of Week ...... 9
2.3 Periods with Lowering of Temper-
ature ................ 10
2.4 Minimum Floor Temperature .. 14
2.5 Safety Lock ............ 15
2.6 Turning the Thermostat On and
Off ................. 16
3Saving Clock Settings (Backup Bat-
tery) .................... 17
4 Error Messages ............. 17
5 Warranty ................. 18
6 Disposal Instruction .......... 19
ECtemp 550
User Guide 3
1 Introduction
ECtemp 550 is an adaptive temperature controller specially
designed for floor heating systems by using the built-in
room sensor and an external floor sensor . It can, however,
also be used for other heating systems (e.g. power heating
units).
The thermostat will measure the radiant temperature from
the floor combined with the air temperature in the room to
compensate for the outside weather condition. This means
that ECtemp 550 will automatically adjust the heating to
meet your comfort levels regardless of changing weather
conditions shortly after the settings are set and the desired
comfort temperature has been selected. A sudden temper-
ature drop in the room will also be detected. Instead of im-
mediately switching on the heating to compensate, infor-
mation is stored and a check will be made to detect wheth-
er this sudden drop of temperature may be caused by, for
instance, a window that has been opened for 10 minutes.
ECtemp 550
4 User Guide
Even the programming of economy temperatures (i.e. low-
ering of temperature at night and when you are at work) is
very simple. A calculation of the heating start is not needed
to reach a specific temperature at a specific time. Just tell
the ECtemp 550 when you want the comfort temperature,
and the rest will happen automatically; by identifying the
rate of heat loss from the room, ECtemp 550 knows when
to start heating in order to achieve the selected tempera-
ture at the right time.
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.
ECtemp 550
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. Symbol for frost protection.
2. Numeric display of time, temperature, text, etc.
3. Day of week.
4. Flashing indication of actual time.
5. Symbol for setting of time and day.
6. Symbol for timer mode.
7. Symbol indicating that the floor is being heated.
8. Symbol for degrees.
ECtemp 550
6 User Guide
9. Safety lock.
10. Economy periods (i.e. periods with lowering of tem-
perature).
Basic rules for changing thermostat settings
Accessing different
settings When you press and hold the but-
ton for a certain number of sec-
onds, different layers of settings will
appear.
To increase a value Turn the button to the right (clock-
wise).
To decrease a value Turn the button to the left (counter-
clockwise).
To confirm a value
or go to the next
setting
Press the button once.
The unit of meas-
urement for tem-
perature
The temperature is either shown in
celsius degrees (5°C to 35°C) if a
room sensor is used, or as a scale
from 1 to 10 (where each step cor-
responds to approximately 5°C) if
only a floor sensor is used .
ECtemp 550
User Guide 7
Network installation
If more ECtemp 550 thermostats have been installed, they
may be connected in a network. If so, one of the thermo-
stats is defined as the master unit controlling the time, day
of week and lowering of temperature during economy peri-
ods for the other so-called slave units. This means that
changes to these settings must be made on the master
thermostat and will then automatically take effect on all
"slave" thermostats.
Please contact the electrician to find out if the thermostats
in your house are linked in a network and, if so, ask which
thermostat is configured as master unit.
2.1 Frost Protection
How to set the thermostat in frost protection mode
1. Turn the button counter-clockwise un-
til the temperature reaches +5°C (or 1
if a scale from 1 to 10 is used).
A frost symbol will now appear on
the display.
ECtemp 550
8 User Guide
2.2 Time and Day of Week
The time and day of week is not set by default.
How to set the time and day of week
1. Press and hold the button for 3 sec-
onds.
The symbol for setting of time, the
time and the number of the day in the
week will be shown on the display
2. Turn the button to the right or left.
Every time the time passes 00:00, the day of week
number will go 1 day up/down depending on which
way you turn the button.
The number you choose will be the day of the current
day of the week, i.e. the numbers 1-7 do not corre-
spond to any specific day. For example, if today is
Tuesday and you select 2 on the display, Tuesday will
correspond to number 2.
3. Set the time correctly by turning the button.
ECtemp 550
User Guide 9
4. When the right time is found, press the button once to
save the settings.
2.3 Periods with Lowering of Temperature
With ECtemp 550 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.
By default, the thermostat is set to the following comfort
periods:
▪Monday - Friday: 6:00 - 8:00 and 16:00 - 22:30.
▪Saturday - Sunday: 6:00 - 22:30.
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.
The temperature will be lowered by a certain number of
degrees compared to the comfort temperature. By default
this number is preset to -5°C.
If the adaptive function is active (this is normally the case),
you only need to select the time at which you require com-
fort and economy temperatures. The thermostat will then
calculate when the heating should start in order to reach
the desired temperature at the specified time.
ECtemp 550
10 User Guide
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