37
ENGLISH
INDEX
1. INTRODUCTION ........................................................................................................................................................38
2. SAFETY REGULATIONS AND “CE” MARKING ..........................................................................................................38
3. GENERAL INSTRUCTIONS .......................................................................................................................................38
4. UNIT LABELLING .....................................................................................................................................................38
5. HANDLING ................................................................................................................................................................39
6. INSTALLATION
..........................................................................................................................................................40
6.1.
Introduction........................................................................................................................................................40
6.1.1. Outdoor installation .................................................................................................................................43
6.2. Dimensions and free space for maintenance ...................................................................................................44
6.3. Range specifi cations ..........................................................................................................................................46
6.4.
Connections
.......................................................................................................................................................46
6.4.1. Piping and duct connections ...................................................................................................................46
6.4.1.1. Connection with air duct ............................................................................................................46
6.4.1.2. Connecting the water coil piping. DC versions ..........................................................................47
6.4.1.3. Condensate drainage .................................................................................................................47
6.4.2. Electrical connection ...............................................................................................................................48
6.4.2.1. Connecting the motors ...............................................................................................................48
6.4.2.2. Connecting the By-pass .............................................................................................................49
6.4.2.3. Connecting the electric batteries ...............................................................................................49
6.4.2.4. Connecting electrical accessories .............................................................................................52
6.4.2.4.1. Manual VAV control (variable airfl ow) ........................................................................52
6.4.2.4.2. VAV Control (variable airfl ow), with CO
2
sensor or similar ........................................52
6.4.2.4.3. CAV control (Constant airfl ow)....................................................................................56
6.4.2.4.4. COP Control (Constant pressure) ...............................................................................59
6.4.2.4.5. Pressure switch connection .......................................................................................64
6.5. Reverse supply air/extract air side (only -D version) ........................................................................................64
6.6.
Confi gurations ...................................................................................................................................................65
7. INSPECTION, MAINTENANCE AND CLEANING .........................................................................................................67
7.1.
Filters
.................................................................................................................................................................67
7.2. Filter installation ...............................................................................................................................................68
7.3. Heat exchanger ..................................................................................................................................................69
7.4. Condensation drainpipe .....................................................................................................................................70
8. OPERATION ANOMALIES .........................................................................................................................................71
8.1. General anomalies ............................................................................................................................................71
ENGLISH
