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SYNCHRONISATION IN CASE OF INSTALLATION WITHOUT CONTROLLER
Two or more units can operate at a fixed speed in a synchronised way (one unit extracts, the other supplies, and viceversa). Wiring diagrams: Fig
18E-F-G
The initial starting air direction is achieved by setting the dedicated jumper (Fig. 20A-20B)
RESET OF THE SYNCHRONISATION
OPTION 1
If two or more units are connected under the same main switch or under a dedicated switch, to reset the synchronisation, the switch must be
switched first OFF and then ON to reactivate (Fig.31)
OPTION 2
If two or more units are not connected under the same main switch, to reset the synchronisation, press at the same time the black pin of each unit
(fig.40) for at least 3 seconds (Fig.32-33)
SYNCHRONISATION IN CASE OF INSTALLATION WITH CONTROLLER
If two or more units are controlled by means of the same controller (149-SEN-CTRLS or similar), they always operate in a synchronised way. Wiring
diagram as per Fig. 18D
jUMPER POSITION
Integral jumper set in position A (Fig.20A) means "extract" mode.
Intergal jumper set in position B (Fig.20B) means "intake" mode.
The jumper position defines both the air-flow direction when the unit is activated for the first time (for the synchronisation) and the air-flow direction
of the free-cooling mode.
MAINTENANCE AND SERVICE
Maintenance can be carried out by the user as indicated at page 14
Service must be perfmormed only by technically qualified personnel in accordance with local rules and regulations. Make sure that the mains
supply to the unit is disconnected (page 15).
Cleaning of the heat exchanger can be performed from outside as well.
STANDARD CONFORMITY
2014/35/EU Low Voltage Directive (LVD) and 2014/30/EU Electromagnetic Compatibility (EMC), in conformity with the following standards:
Electrical Safety EN60335-1(2008); EN 60335-2-80(2005); EN 60335-2-80/A2(2009)
Electromagnetic Compatibility EN 55014-1(2006)+A1+A2; EN 55014-2(1997)+A1(2001)+A2(2008)+IS1(2007), EN 61000-3-2(2006)+A1(200
9)+A2(2009); EN 61000-3-3(2008).
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