Mains Connection And Protective Earth (Pe) - Honeywell ESSER 8010 Operation And Installation Instructions Manual

Extinguishing Control Computer 8010 – 19-Inch
6

Mains connection and Protective earth (PE)

To ensure a proper operation of the system, the PE cable of the mains supply must be connected to the
intended terminal of the Extinguishing Control Computer in accordance to the specifications given in the manual
of the 19-inch rack.
•
The FE (functional earth) and PE (protective earth) terminals of the panel's housing must be connected with
the PE rail of the power distributor panel from which the fire alarm system will be powered (required cable
diameter ≥ 4 mm²).
•
Electro conductive housing parts must be interconnected with a PE cable
(required cable diameter 1,5 mm², flexible).
Example: 19-inch cabinet with PE connections
Fig. 22: Location of the terminals and PE connectors in the 19-inch rack (example)
PE-connections
Cabinets door
Swivel frame
side wall
terminals
Terminals
Label – Information to leakage current-
A
30
1
3 4
side wall
side wall
mounting plate
mounting plate
Ground / potential compensation
A
5
Cable cross section at least
FE
≥ 4
mm² to PE rail
2
Cable diameter
1.5 mm²
2.5 mm²
4 mm²
FB 798955.GB0 / 09.07