CTC Union EcoAir 400 Manual

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• Read carefully before use, keep for future reference.
• Translation of the original instructions.
162 505 86-1 2020-10-08
Installation and Maintenance Manual
CTC EcoAir 400
Model 406 I 408 I 410 I 415 I 420
Air/water heat pump

162 505 86-1 2020-10-08
Installation and Maintenance Manual
CTC EcoAir
Model 406 I 408 I 410 I 415 I 420
Air/water heat pump

4CTC EcoAir 400
Table of Contents
1. Important to remember! _______________________________________ 6
1.1 Transportation____________________________________________________6
1.2 Positioning ________________________________________________________6
1.3 Recycling __________________________________________________________6
1.4 After commissioning___________________________________________6
Safety instructions _______________________________________________________ 7
Checklist _______________________________________________________________________ 8
2. Connection alternative CTC EcoAir 400 _____________ 9
3. Technical data _____________________________________________________ 10
3.1 Table 400 V 3N~ _____________________________________________10
3.2 Table 230 V 1N~ ______________________________________________ 11
3.3 Component location_________________________________________12
3.4 Dimensions diagram ________________________________________14
3.5 Refrigerant system ___________________________________________15
4. Installation____________________________________________________________ 16
5. Location of the heat pump_________________________________ 17
6. Preparation and drainage __________________________________ 18
6.1 Condensation water _________________________________________19
7. Pipe installation___________________________________________________ 20
7.1 Pipe connection_______________________________________________ 20
7.2 Example pipe connection__________________________________21
8. Circulation pump_________________________________________________ 22
8.1 Control/supply _________________________________________________23
8.2 Operating range_______________________________________________23
9. Electrical installation___________________________________________ 24
9.1 Electric installation 400 V 3N~ __________________________24
9.2 Electrical installation 230 V 1N~ ________________________ 24
9.3 Alarm output ___________________________________________________24
9.3.1 Heat pump connections________________________________ 24
9.3.2 Termination for connection of heat pumps
in series __________________________________________________________25
9.3.3 Connecting the CTC Basic Display _________________25
9.4 Connecting the control system __________________________27
9.4.1 Define number of heat pumps________________________27
9.4.2 Numbering CTC EcoAir 400 as HP2_______________27
9.4.3 Good to know when setting an address__________29
9.4.4 Numbering CTC EcoAir 400 as A2 _________________30
9.4.5 Worth knowing when addressing ___________________32
10. Connecting the control system _________________________ 33
10.1 General___________________________________________________________33
10.2 Connection option 1 one heat pump __________________33
10.3 Connection option 2 multiple heat pumps___________33
10.4 Connection option 3_________________________________________ 34
10.5 Connection option 4_________________________________________ 35
10.6 Connection option 5_________________________________________ 36
10.7 Parts list__________________________________________________________37
10.8 Wiring diagram 400V 3N~________________________________ 38
10.9 Wiring diagram 230V 1N~________________________________ 40
11. First start______________________________________________________________ 42
12. Noise data____________________________________________________________ 42
12.1 Sensor Data ____________________________________________________43
13. Operation and Maintenance ______________________________ 45
13.1 Defrost____________________________________________________________ 45
13.2 The fan ___________________________________________________________45
13.3 Maintenance____________________________________________________ 45
13.4 Periodic maintenance _______________________________________45
13.5 Operation stop_________________________________________________45
13.6 Condensation water tray___________________________________45
14. Troubleshooting/Appropriate measures___________ 46
14.1 Air problems____________________________________________________46
14.2 Alarm______________________________________________________________46
14.3 Circulation and defrosting _________________________________46

5CTC EcoAir 400
Congratulations on buying your new
product!
The complete air source heat pump
The CTC EcoAir 400 is an outdoor air source heat pump which moves heat
from the outside air and delivers it to the heating circuit of the building. The
CTC EcoAir 400 works with outside air temperatures down to -22°C.
The heat pump can be connected to a CTC EcoZenith, CTC EcoVent i360F
or to an existing boiler via the CTCEcoLogic control system.
The CTC EcoAir 400 has been designed to operate with high efficiency and
low noise levels. The heat pump has integrated discharge defrosting which
keeps the evaporator coil free from ice to maintain high efficiency.
Save this manual containing the installation and maintenance instructions.
If properly maintained, you will be able to enjoy the use of your CTC EcoAir
400 for many years. This manual provides all the information you will need.