Figure 4.24 Communications Terminal in Condenser CCD35
4.5.3 Connecting Communications Cable for Condenser
1.
For both CCD25 and CCD35, remove two M5 screws from the electric control box cover and remove the cover.
Use a field supplied shielded cable. Connect one end to the A2 and B2 terminals, and connect the shielding
layer of the cable to the PE terminal on the terminal block. The communications terminal of CCD 25 is shown in
Communications Terminal in Condenser CCD25
on the previous page , and the communications terminal of
CCD35 is shown in
Communications Terminal in Condenser CCD35
above .
NOTE: The size of the shielded cable should be 0.75 mm
2
or larger. The length of the shielded cable should be less
than 150 m (492.1 ft).
2.
Open the rear door of the indoor unit (CRD25 and CRD35). You do not need to remove filters. Remove four M4
screws from the cover of the electric control box 1 and remove the cover. Connect the other end of the shielded
cable to the A2 and B2 terminals, and connect the shielding layer of the cable to the PE terminal on the
terminal block.
4 Installation
26
Vertiv™ Liebert® CRV CCD25 and CCD35 Condensers User Manual
