Table of Contents
GENERAL INFORMATION
Checklist _____________________________________________________________________ 7
Important to remember! _____________________________________________ 8
Safety Instructions _____________________________________________________ 8
1. Your home’s heating installation_______________________ 10
2. Technical data____________________________________________________ 14
2.1 Table 400V 3N~ ____________________________________________ 14
2.2 Table 230 V 1N~ ___________________________________________ 15
3. Measurements ___________________________________________________ 16
4. CTC EcoZenith i250 design_______________________________ 17
5. Parameter list_____________________________________________________ 18
6. Control system___________________________________________________ 19
7. Menu overview___________________________________________________ 20
8. Detail Description Menus__________________________________ 26
8.1 Start menu ___________________________________________________ 26
8.2 Description of icons _______________________________________ 26
8.3 Room temp. _________________________________________________ 27
8.3.1 Setting a room temp. without a room sensor __ 27
8.3.3 Night reduction temperature ________________ 28
8.3.2 Outdoor Sensor/Room Sensor Faults_________ 28
8.3.4 Holiday __________________________________ 29
8.4 DHW ___________________________________________________________ 29
8.4.1 Weekly program DHW _____________________ 30
8.5 Operation data system ___________________________________ 31
8.5.1 Operation data EcoZenith __________________ 32
8.5.2 Operation Heating circuit ___________________ 33
8.5.3 Stored operation data______________________ 34
8.5.5 Heat pump _______________________________ 35
8.5.4 Operation data heating_____________________ 35
8.6 Installer ________________________________________________________ 36
8.6.1 Time/Language ___________________________ 36
8.7 Settings _______________________________________________________ 37
8.7.1 Heating circuit 1 or 2_______________________ 37
8.7.2 Set. heat pump ___________________________ 41
8.7.3 Electric heater ____________________________ 42
8.7.4 Upper tank _______________________________ 43
8.7.6 Cooling (accessory)________________________ 44
8.7.7 Solar panels (accessories) __________________ 44
8.7.5 Communication ___________________________ 44
8.7.8 Sett. Diff termostat function _________________ 45
8.7.9 Pool_____________________________________ 45
8.7.10 Saving and loading settings ______________ 45
8.8 Define system _______________________________________________ 46
8.8.1 Def heating circuit 1 or 2 ___________________ 46
8.8.2 Def Heat pump ___________________________ 46
8.8.3 Define CTC SMS (accessory)________________ 47
8.8.4 Define cooling (accessory) __________________ 47
8.8.5 Def Solar panels __________________________ 48
8.8.6 Define Differential thermostat function ________ 48
8.8.7 Def. Pool_________________________________ 48
8.8.8 Define Remote Control _____________________ 49
8.9 Service_________________________________________________________ 58
8.10 Function test_________________________________________________ 58
8.11 Alarm log _____________________________________________________ 60
9. Operation and Maintenance______________________________ 62
10. Troubleshooting/appropriate measures ___________ 63
10.1 Information messages ____________________________________ 66
10.2 Alarm texts ___________________________________________________ 67
INSTALLATION
11. Installation__________________________________________________________ 70
11.1 Transportation _______________________________________________ 70
11.2 Unpacking____________________________________________________ 70
11.3 Standard delivery___________________________________________ 70
12. Pipe installation _________________________________________________ 71
12.1 Filling ___________________________________________________________ 71
12.1.1 Pressure drop in mixing valve _____________ 71
12.1.2 Pump curve charge pump________________ 72
12.2 Schematic diagram ________________________________________ 73
12.3 Connection to heat pump _______________________________ 76
12.4 DHW system_________________________________________________ 78
13. Energyflex __________________________________________________________ 79
14. Electrical installation _________________________________________ 82
14.1 Electrical installation 400 V 3N~ ______________________ 82
14.2 Electrical installation 230V 1N~ _______________________ 82
14.3 Positioning of electrical components _________________ 83
14.4 Electrical connection to heat pump___________________ 84
14.4.1 Communication ________________________ 84
14.4.2 Heat pump power supply 400 V 3N~ ______ 85
14.4.3 Heat pump power supply 230V 1N~ _______ 85
14.4.4 Connecting the heat pump connector______ 85
14.5 Extra low voltage protection ____________________________ 86
14.5.1 Current sensor connection _______________ 87
14.5.2 Terminal boards ________________________ 88
14.6 Settings made by the installation electrician._______ 89
14.7 Installing a backup power supply______________________ 89
14.8 Switching to 18kW electric heater power. _________ 90
14.9 Connection of pump (G46) to Diff.therm.func.___ 92
14.10 Connection of sensor (B46) to Diff.therm.func.__ 92
14.11 Wiring diagram 3x400 V__________________________________ 94
14.12 Wiring diagram 1x230 V__________________________________ 96
14.13 Component list, wiring diagram________________________ 98
14.14 Resistances for sensors__________________________________ 99
15. Connection of CTCEcoAir500M heat pump _ 100
15.1 Menu functions unique to the CTCEcoAir500M101
15.1.1 Operation data heat pump______________101
15.1.2 Heat pump Settings ____________________102
15.1.3 Heat pump Settings continued___________103
15.1.4 Set Schedule Noise reduction ___________104
16. First start__________________________________________________________ 105
Declaration of Conformity______________________________________ 107