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General Information
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Table of Contents
GENERAL INFORMATION 4
Check list ____________________________________________________________________ 6
Important to remember!
_____________________________________________ 7
Safety Instructions
_____________________________________________________ 7
Scope of delivery
________________________________________________________ 8
1. CTC EcoZenith i550 Pro design
_________________________ 9
1.1 Main components ____________________________________________ 9
2. CTC EcoZenith i550 Pro function _____________________10
2.1 Heating System _____________________________________________ 11
2.2 DHW ___________________________________________________________ 12
2.3 Heat pump ___________________________________________________ 13
2.4 Wood Boiler __________________________________________________ 16
2.5 Additional boiler (pellets, oil, gas, electricity) _______ 17
2.6 Solar Energy _________________________________________________ 18
2.7 Recharging Bedrock/Ground ___________________________ 19
2.8 External Hot Water Tank _________________________________ 20
2.9 Pool ____________________________________________________________ 20
2.10 External Buffer Tank _______________________________________ 21
2.11 Cooling CTC EcoComfort________________________________ 23
3. The House Heating Curve _________________________________ 24
4. DHW
___________________________________________________________________ 28
5. Technical data
____________________________________________________ 30
6. Measurements
___________________________________________________ 31
7. Menu overview
___________________________________________________ 33
7.1 Room temp. _________________________________________________ 34
7.2 DHW ___________________________________________________________ 34
7.3 Operation _____________________________________________________ 35
7.4 Installer (Time/Language – Settings) __________________ 36
7.5 Installer – Define system _________________________________ 38
7.6 Installer – Service ___________________________________________ 40
8. Detail Description Menus __________________________________ 42
8.1 Start menu ___________________________________________________ 42
8.2 Room temp. _________________________________________________ 43
8.3 DHW ___________________________________________________________ 45
8.4 Operation _____________________________________________________ 46
8.5 Installer ________________________________________________________ 54
9. Parameter list _____________________________________________________ 88
9.1 Define system _______________________________________________ 89
10. Operation and Maintenance______________________________ 90
11. Troubleshooting/measures
________________________________ 92
11.1 Information messages ____________________________________ 94
11.2 Alarm messages ____________________________________________ 95
FOR THE INSTALLER 97
12. Transportation, unpacking and installation ______ 97
12.1 Transportation ______________________________________________ 97
12.2 Unpacking ____________________________________________________ 97
12.3 Fitting rear insulation and plastic top cover _________ 97
13. Parts list _____________________________________________________________ 99
14. Schematic diagram
__________________________________________ 100
15. Pipe installation
_______________________________________________ 102
16. Electrical installation
_______________________________________ 113
16.1 Positioning of electrical components ________________114
16.2 Safety switch _______________________________________________115
16.3 Heat pump power supply _______________________________115
16.4 Communication between the EcoZenith and CTC
EcoAir/CTC EcoPart______________________________________115
16.5 Low voltage 230V /400V (Heavy current) __________115
16.6 Sensor (Safety Extra-Low Voltage (SELV)) _________124
16.7 Current sensor connection _____________________________128
16.8 Settings made by the installation electrician. ______129
16.9 Installing a backup power supply _____________________129
17. Installation of optional immersion heater _______ 130
18. Installation of additional boiler
________________________ 131
19. Wiring diagram main card 3x400V
__________________ 132
20. Wiring diagram main card 1x230V
__________________ 134
21. Wiring diagram for expansion card
________________ 136
22. Parts list Wiring diagram
_________________________________ 137
23. Resistances for sensors
__________________________________ 138
24. First start
__________________________________________________________ 139
24.1 Before first start ____________________________________________139
24.2 First start _____________________________________________________140
25. Declaration of conformity ________________________________ 142