SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)

Table Of Contents
86
11.9 CONNECTION OF FREE COOLING PLENUM MOTORISED DAMPER ACTUATORS (ACCESSORY)
The Free Cooling plenum accessory has two motorised dampers controlled by the regulator through a 0-10 Vdc signal.
The damper actuators are supplied mounted on the dampers, and equipped with 3 metres of pre-wired cable in the actua-
tors. The actuator cables have to be connected inside the unit’s electrical panel, as shown in the gure:
Motorised damper actuator
Position of damper actuator connection terminals
Connection of the damper actuators
The type of cable to be used for the connection must have the following features:
Main features of the connection cable
Type FS18OR18 300/500 Vac signal transmission cable
Shielding Not required
Cross-section and number of conductors 3 x 0.5 mm
2
Maximum length m 100
Example