2
INDEX
1. INTRODUCTION .............................................................................................................................................................3
2. SAFETY REGULATIONS AND “CE” MARKING ...............................................................................................................3
3. GENERAL INSTRUCTIONS ............................................................................................................................................3
4. UNIT LABELLING ..........................................................................................................................................................3
5. HANDLING ...................................................................................................................................................................4
6. INSTALLATION ..............................................................................................................................................................5
6.1.
Introduction.............................................................................................................................................................5
6.1.1. Outdoor installation ......................................................................................................................................9
6.2. Dimensions and free space for maintenance ......................................................................................................10
6.3. Mounting process of an additional supply fi lter ...................................................................................................13
6.4. Range specifi cations .............................................................................................................................................13
6.5.
Connections
..........................................................................................................................................................13
6.5.1. Piping and duct connections .......................................................................................................................13
6.5.2. Condensate drainage ..................................................................................................................................13
6.5.3. Electrical connection ..................................................................................................................................14
6.5.3.1. External Touch Display (ETD) control connection .........................................................................14
6.6.
Confi gurations ......................................................................................................................................................15
7. CONTROL FUNCTIONS ................................................................................................................................................16
8. CONTROL SCHEMES ...................................................................................................................................................17
9. CONTROL BASIC OPERATION ....................................................................................................................................17
9.1. Description ...........................................................................................................................................................17
9.2. Main functions ......................................................................................................................................................17
9.2.1. Via the remote terminal supplied with the unit ..........................................................................................17
9.2.2. Through integration to Modbus network (external BMS) ...........................................................................18
9.3. Use of remote terminal - user level .....................................................................................................................18
9.3.1. Fan speed selection (Start / Stop / Speed adjustment) ..............................................................................18
9.3.2. Free-cooling function setting .....................................................................................................................19
9.3.3. Setting the by-pass pass temperature in free-cooling mode ....................................................................20
9.4. Advanced parameters confi guration ....................................................................................................................20
9.4.1.
Modifi cation of predefi ned speeds ..............................................................................................................21
9.4.2.
Modifi cation of the bypass opening setpoint (free-cooling mode) .............................................................22
9.4.3. Fan selection that acts as a master (only available on units controlled via Modbus in COP mode) .........23
9.4.4. Operation at Variable Airfl ow (VAV) mode, depending on an external sensor
(CO
2
, temperature or relative humidity) .....................................................................................................23
9.4.5. Filter supervision ........................................................................................................................................24
9.4.6. Fan status monitoring .................................................................................................................................24
9.4.7. Boost function - Forced High Speed (only available in models 04 to 27) ...................................................25
9.4.8. Remote Stop-Start ......................................................................................................................................25
9.4.9. Protection of heat exchanger unit ..............................................................................................................25
10. BUILDING MANAGEMENT SYSTEM (BMS) CONNECTION ........................................................................................26
11. INSPECTION, MAINTENANCE AND CLEANING ..........................................................................................................32
11.1. Replacement of fi lters ........................................................................................................................................32
11.2. Filter installation ................................................................................................................................................33
11.3. Heat exchanger ...................................................................................................................................................34
11.4. Condensation drainpipe ......................................................................................................................................35
12. OPERATION ANOMALIES ...........................................................................................................................................36
12.1. General anomalies..............................................................................................................................................36
12.2. List of alarms ......................................................................................................................................................36
13. WIRING DIAGRAMS .....................................................................................................................................................38
13.1. Models CADB-HE-D 04 to 27 BASIC ...................................................................................................................38
13.2. Models CADB-HE-D 33 to 100 BASIC .................................................................................................................39
ENGLISH
