English
Caution
Recommendations:
S the manual is retained for the entire service life of the machine;
S the user reads the manual carefully before carrying out any operatio ns on the machine;
S the machine is used exclusively for the purpose for which it is intended; incorre ct use of the machine shall release the
manufacturer from any liability.
This manual has been prepared to enable the end---user to carry out only the operationsthat canmade with the panels closed.
Any operations that require the opening of doors or equipment panels must be carried out only by qualified personnel .
Each machine is equipped with an Electric Insulating device which allows the operator to work in conditions of safety. This
device must always be used to eliminate risks during maintenance (electric shocks, scalds, automatic restarting, moving parts
and remote control).
The panel key supplied with the unit must be kept by the person responsi ble for maintenance.
For identification of the unit (model and serial no.) in case of the necessity for assistance or spare parts, read the identification
label placed on the outside and inside of the unit.
IMPORTANT:
This manual may be subject to modification; for complete and up---to---date information the user should
always consult the manual supplied with the machine.
Index
1 -- Preliminary operations pag. 1....................................................................
1.1 --- Foreword pag. 1...........................................................................................
1.2 --- Check operating limits pag. 1................................................................................
1.3 --- Check sound pressure levels pag. 1...........................................................................
1.4 --- Site preparation pag. 1......................................................................................
1.5 --- Conditioner inspection pag. 1................................................................................
1.6 --- Transp o r t pag. 1...........................................................................................
1.7 --- Positioning of air conditioner pag. 1...........................................................................
1.8 --- Service area pag. 1.........................................................................................
2 -- Mounting pag. 1.................................................................................
3 -- Electrical connections pag. 1.....................................................................
3.1 --- Cautions pag. 1............................................................................................
3.2 --- E l e c t r i c a l sup p l y pag. 1.....................................................................................
3.3 --- Fast fittings (upon request, only) pag. 1........................................................................
3.4 --- User interface pag. 1........................................................................................
3.5 --- Emergency cooling version (EFC 48 VDC / 230 VAC) pag. 2......................................................
3.6 --- Electrical protection pag. 2...................................................................................
4 -- Starting and stopping pag. 2......................................................................
4.1 --- F i r s t start --- u p (or a fter a l on g halt) pag. 2......................................................................
4.2 --- S t a r t --- u p with lo w outsid e te m p e r a t u r e pag. 2..................................................................
4.3 --- S e l f --- t e s t pag. 2............................................................................................
5--Operation pag. 2.................................................................................
5.1 --- Adjustment of the condenser fan speed pag. 2.................................................................
5.2 --- Emergency cooling (optional) pag. 3..........................................................................
6--Operatinglogics pag. 3..........................................................................
6.1 --- Cooling only unit pag. 3.....................................................................................
6.2 --- Unit with electrical heating pag. 3.............................................................................
6.3 --- Unit with freecooling pag. 3..................................................................................
6.4 --- LAN local network management: Stand---by and Cascade modes pag. 4...........................................
6.5 --- Alarm control pag. 4........................................................................................
6.6 --- A l a r m b o a r d (op ti on a l ) pag. 4................................................................................
7--Calibrations pag. 4...............................................................................
8 -- Maintenance / Spare parts pag. 4.................................................................
8.1 --- Routine maintenance pag. 5.................................................................................
8.2 --- Extraordinary maintenance pag. 5............................................................................
8.3 --- Dismantling the unit pag. 5..................................................................................
8.4 --- Spare parts pag. 5.........................................................................................
Tables pag. 6........................................................................................
Drawings pag. 8.....................................................................................
Circuits pag. 14......................................................................................
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