
2/64 NT00000850-UTBS-ECOWATT-PRO-REG-ETD2-AN-230623
SOMMAIRE
1. GENERAL........................................................................................................................................... 4
1.1 Warnings .................................................................................................................................. 4
1.2 Safety instructions .................................................................................................................... 4
1.3 Reception – Storage................................................................................................................. 5
1.4 Warranty ................................................................................................................................... 5
2. PRODUCT RANGE PRESENTATION................................................................................................ 5
2.1 Range....................................................................................................................................... 5
2.2 Main components ..................................................................................................................... 7
2.3 Functional synoptics (examples) .............................................................................................. 8
3. INSTALLATION ................................................................................................................................ 12
3.1 Machine identication............................................................................................................. 12
3.2 Dimensions and weights......................................................................................................... 12
3.3 Handling and lifting................................................................................................................. 18
3.4 Location and mounting ........................................................................................................... 18
3.5 Fitting accessories.................................................................................................................. 20
4. HYDRAULIC AND FLUID CONNECTION ....................................................................................... 22
4.1 Connecting the water coils ..................................................................................................... 22
4.2 Connection of hydraulic accessories...................................................................................... 23
4.3 Connection of direct expansion coils (DX).............................................................................. 24
4.4 Condensate drain ................................................................................................................... 25
4.5 Temperature sensors.............................................................................................................. 25
5. AIR DUCT CONNECTION................................................................................................................ 26
5.1 Duct connection...................................................................................................................... 26
5.2 Accessories connection.......................................................................................................... 27
6. ELECTRICAL CONNECTIONS AND FEATURES ........................................................................... 27
6.1 Electrical connections............................................................................................................. 27
6.2 Electrical features................................................................................................................... 27
6.3 CORRlGO controller - Technical datas................................................................................... 28
6.4 Remote control with ETD2 display - Connection.................................................................... 28
6.5 Internal electrical board - Description and connection............................................................ 30
6.6 External components connection diagrams (examples)......................................................... 32
6.7 Connecting accessories for temperature control with internal coil ......................................... 34
7. CONTROL - FUNCTIONAL ANALYSIS ........................................................................................... 35
7.1 Main elements of control ........................................................................................................ 35
7.2 Airow control fan................................................................................................................... 36
7.3 Temperature control................................................................................................................ 37
7.4 Special case: temperature control with EX direct expansion coil ........................................... 38
7.5 Heating water coil frost protection (EC / ECF / ER versions) ................................................. 39
7.6 AHU start and stop sequences............................................................................................... 39
7.7 Input for external re signal .................................................................................................... 40
7.8 Clock and time programming.................................................................................................. 40
8. USE OF REMOTE CONTROL ETD2 ............................................................................................... 41
8.1 Presentation of the ETD2 remote control ............................................................................... 41
8.2 Stop the air handling unit........................................................................................................ 42
8.3 Main settings .......................................................................................................................... 42
8.4 Specic settings for ventilation modes CAV/VAV/COP........................................................... 45
8.5 Time schedule ........................................................................................................................ 49
8.6 Setting the communication protocol ....................................................................................... 51
8.7 Save and restore .................................................................................................................... 52
8.8 Expert level settings ............................................................................................................... 53
9. BMS COMMUNICATION .................................................................................................................. 53
9.1 Communication in Modbus protocol ....................................................................................... 53
9.2 Communication in BACnet protocol........................................................................................ 56
10. COMMISSIONING ............................................................................................................................ 56
10.1 AHU factory settings............................................................................................................... 56
10.2 Factory control of air handling units........................................................................................ 57
10.3 Recommendations.................................................................................................................. 57