
4CTC EcoAir 400
General Information
Table of Contents
GENERAL INFORMATION
Checklist _____________________________________________________________________ 7
Important to remember! _____________________________________________ 8
Safety Instructions _____________________________________________________ 8
1. Connection alternative CTC EcoAir 400 _____________ 9
1.1 General __________________________________________________________ 9
2. Technical data____________________________________________________ 10
2.1 Table 400V 3N~ ____________________________________________ 10
2.2 Table 230 V 1N~____________________________________________ 11
2.3 Component location_______________________________________ 12
2.4 Dimensional drawing _____________________________________ 14
2.5 Refrigerant system_________________________________________ 14
3. Operation and Maintenance______________________________ 15
3.1 Maintenance _________________________________________________ 15
3.2 Periodic maintenance_____________________________________ 15
3.3 Shut-down ___________________________________________________ 15
3.4 Condensation water tray_________________________________ 15
4. Troubleshooting/measures________________________________ 16
4.1 Air problems _________________________________________________ 16
4.2 Alarms _________________________________________________________ 16
4.3 Circulation and Defrosting _______________________________ 16
5. Installation__________________________________________________________ 17
6. Placement of the heat pump_____________________________ 18
7. Preparation and drainage _________________________________ 19
7.1 Condensation water_______________________________________ 20
8. Pipe installation _________________________________________________ 21
8.1 Pipe connection ____________________________________________ 21
8.2 Example pipe connection________________________________ 22
9. Circulation pump _______________________________________________ 23
9.1 Control/supply_______________________________________________ 24
9.2 Operating range ____________________________________________ 24
10. General function description_____________________________ 25
10.1 Defrosting_____________________________________________________ 25
10.2 The fan ________________________________________________________ 25
10.3 Charge pump/Circulation pump _______________________ 25
10.4 CTC EcoAir 400 / Basic Display (accessory) ______ 25
Enertech AB reserves the right to make changes and correct any printing errors.
11. Electrical installation _________________________________________ 26
11.1 Communication connections ___________________________ 26
11.2 Series connection of heat pumps _____________________ 26
11.2.1 Shielded communication (grey connector) ______ 27
11.2.2 Terminated position ____________________________________ 27
11.3 CTC Basic Display (accessory)_________________________ 28
11.3.1 Connection _______________________________________________ 28
11.4 Alarm output_________________________________________________ 28
11.5 Electrical installation 400 V 3N~ ______________________ 28
11.6 Electrical installation 230V 1N~ _______________________ 29
11.7 Connection for subsequent connectors_____________ 29
12. Connecting the control system_________________________ 30
12.1 General ________________________________________________________ 30
12.2 Connection alternative 1 _________________________________ 30
12.3 Connection alternative 3 _________________________________ 31
12.4 Connection alternative 4 _________________________________ 32
12.5 Connection alternative 5 _________________________________ 33
12.6 Connection alternative 6 _________________________________ 34
12.7 Parts list_______________________________________________________ 35
12.8 Wiring diagram 400 V 3N~ ______________________________ 36
12.9 Wiring diagram 230V 1N~ _______________________________ 38
13. First start____________________________________________________________ 40
14. Noise data__________________________________________________________ 40
14.1 Sensor data__________________________________________________ 41
15. Declaration of conformity__________________________________ 42