
3
INDEX
1. INTRODUCTION ....................................................................................................................................................4
2. SAFETY REGULATIONS AND “CE” MARKING ......................................................................................................4
3. GENERAL INSTRUCTIONS ...................................................................................................................................4
4. UNIT LABELLING .................................................................................................................................................4
5. HANDLING............................................................................................................................................................5
6. INSTALLATION......................................................................................................................................................6
6.1. Introduction....................................................................................................................................................6
6.1.1. Outdoor installation...........................................................................................................................10
6.2. Dimensions and free space for maintenance .............................................................................................11
6.3. Mounting process of an additional supply filter..........................................................................................13
6.4. Range specifications....................................................................................................................................14
6.5. Connections .................................................................................................................................................15
6.5.1. Connection with air duct ...................................................................................................................15
6.5.2. Connecting the water coil piping. DC versions.................................................................................15
6.5.3. Condensate drainage ........................................................................................................................16
6.6. Electrical connection...................................................................................................................................16
6.6.1. Connecting the motors......................................................................................................................16
6.6.2. Connecting the By-pass ....................................................................................................................20
6.6.3. Connecting the electric batteries......................................................................................................21
6.6.4. Connecting electrical accessories ....................................................................................................26
6.6.4.1. Manual VAV control (variable airflow) ..................................................................................27
6.6.4.1.1. 04 to 27 models: Manual adjustment by REB-ECOWATT (accessory) .................27
6.6.4.1.2. 33 to 100 models: Manual adjustment by REB-ECOWATT (accessory) ...............28
6.6.4.2. VAV Control (variable airflow), with CO2sensor or similar..................................................29
6.6.4.3. CAV control (Constant airflow) .............................................................................................29
6.6.4.4. COP Control (Constant pressure).........................................................................................31
6.6.4.5. Pressure switch connection.................................................................................................33
6.7. Reverse supply air/extract air side (only -D version)..................................................................................34
6.8. Configurations .............................................................................................................................................34
6.9. Control of cooling external batteries ..........................................................................................................36
6.9.1. Accesssories assembly .....................................................................................................................37
6.9.2. Coils characteristics..........................................................................................................................41
6.9.2.1. Cold water coils for 2 pipes installation...............................................................................41
6.9.2.2. Cold water coils for for 4 pipes installation.........................................................................41
6.9.2.3. Expansion coils for integration in DX systems.....................................................................42
7. INSPECTION, MAINTENANCE AND CLEANING.................................................................................................42
7.1. Filters...........................................................................................................................................................42
7.2. Filter installation .........................................................................................................................................44
7.3. Heat exchanger............................................................................................................................................45
7.4. Condensation drainpipe...............................................................................................................................46
8. OPERATION ANOMALIES ...................................................................................................................................47
8.1. General anomalies ......................................................................................................................................47