Technical data
23  CTC EcoZenith i250
General Information
8.  Detail Description Menus
All the settings can be configured directly on screen 
using the well-structured control panel. The large icons 
operate as buttons on the touch display. 
Operational and temperature information is also 
displayed here. You can easily enter the different menus 
to find information on the operation or to set your own 
values.
8.1  Start menu
This menu is the system’s start menu. This provides an 
overview of the current operational data. 
The system returns to this menu if no buttons are 
pressed within 10 minutes. All other menus can be 
accessed from this menu. NOTE: Some menus are only 
shown if a heat pump is installed.
8.2  Description of icons
Room temp.
Settings for raising or lowering the 
temperature indoors and also for scheduling 
temperature changes.
DHW
Settings for DHW production.
Operation
This displays current operational data for both 
your heating system and heat pump. Historical 
operational data is also available.
Installer
This option is used by the installer to configure 
the settings and servicing for your heating 
system. 
1 2
Room temp. Radiator system 1
If radiator system 1 is defined, the current 
room temperature is displayed here.
1 2
Room temp. Radiator system 2
If radiator system 2 is defined, the current 
room temperature is displayed here.
Tank temperature
This displays the current temperature in the 
upper part of the tank.
Outdoor temperature
This displays the current outdoor temperature.
Home
The Home button takes you back to the Start 
menu.
Return
The Return button takes you back to the 
previous level.
OK
The OK button is used to mark and confirm 
text and options in the menus.
Night reduction
This schedules a temperature reduction at 
night if selected.
Holiday
You can use this to reduce the room 
temperature permanently, e.g. during holidays 
when the house is unoccupied.
Weekly program
This is used to reduce the temperature for a 
few days, for instance if you commute every 
week.
Stored operation data
This displays historical data.
Time/Language
This is used to set the date, time and the 
language you want the menu to be displayed 
in.
Settings
The settings for operation of EcoZenith and 
the system are usually configured by the 
installer.
Define system
The heating system’s structure can be 
adjusted/modified using this option.
Service
Advanced settings are configured by the 
appropriate technical person.
 Svenska  Nederlands  English  Deutsch
 Suomi  Française  Dansk  Norsk
1 2
1 2
  22,2 ºC  21,2 ºC  58 ºC  -5 ºC
1 2
1 2
1 2
  06 - 09  18 - 21
  07 - 09  20 - 23
  06 - 09  10 - 21
 06 - --  -- - 21
 06 - --  -- - 21
  10 - 12  20 - 23
  10 - 12  20 - 23
1
2
1 2
T ºC
60
40
20
0
-20
16  20  0  4  8 12
06-09 18-21
07-09 00-00
06-09 00-00
06-09 00-00
06-09 00-00
10-12 00-00
10-12 00-00
  Room temp.  DHW  Operation  Installer
CTC EcoZenith  Monday 09:35
Night reduction Holiday
Heating circuit 2 (50)
Heating circuit 1
Room temp.
Start menu
Room temperature settings
Selecting DHW comfort
Heating system data
Installer settings menu
Extra
Hot water 
0.0 hours
On
Temperature
Normal
Weekly schedule
DHW
Weekly program  Day by day
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Weekly program DHW
Operation data system
Status  HP upper tank
Tank upper°C  49 (60)
Tank lower°C  42 (45)
Primary flow°C  42 (43)
Return flow°C  34
Radiator pump  On
Mixing valve  Open
Delay mixing valve  180
Electric power kW  0.0 0.0 0.0
Current L1/L2/L3  0.0 0.0 0.0
Operation data EcoZenith
Stored oper data
Heating circuit 2
Operation data heating
Installer
Time/Language  Settings  Define system  Service
Software display PCB:  20120205
Software HP PCB:  20120125
Installer
Installer
Time 21:34
Date 2012-02-05
Settings
Heating circuit
Heating circuit 1
Heating circuit 2
Heat pump
Electric heater
Upper tank
Remote control  NR
Communication
Save settings
Load settings
Load factory settings
Max primary flow°C  55
Min primary flow°C  Off
Heating off, out°C  18
Heating off  120
Inclination°C 50
Adjustment°C 0
Room temp reduced°C  -2
 or
Primary flow reduced°C  -3
Define system
Def heating circuit
Heating circuit 1
Heating circuit 2
Heat pump
SMS
Cooling
Heating circuit 1  Yes
Room sensor 1  Yes
Type Wire
Service
Function test
Function test
Alarm log
Factory settings coded
Quick start compressor.
Software update, USB
Write log to USB
Control current sensors
Re-installation
Heating circuit 
Heat pump
Valves
Electric heater
Total operation time h:  14196
Max primary flow°C:    51
Consumtion kWh    20
Compressor:
 Operation time /24 h:m  00:00
Stored oper data
Heat pump
Compressor On
Charge pump  On 47%
Brine pump  On
HP in/out°C  35.5 / 42.3
Current L1  4.0
Night reduction heat circ.
Weekly program  Day by day  NR
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Night reduction heat circ.
Weekly program  Block  NR
Decrease  Sunday 22:00
Increase  Friday 14:00
Decrease  -------- 00:00
Increase  -------- 00:00
Holiday
Holiday period  3 days
Out  Room1 Prim1  Return Room2  Prim2










