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6. Electrical Installation
6.1. Power Wires Installation
The system must be installed and wired only by qualified electricians in
accordance with applicable safety regulations!
For safety, please cut off the mains power switch before installation!
When installing the electrical wiring, please note the nominal amperage of your
incoming feeder.
Use cable cross section and protective device specification
：
Model
OLS6000ERT6U(M)
OLS10000ERT6U(M)
Protective earthing conductor
Min cross section
6mm²
(UL101510AWG)
10mm²
(UL1015 8AWG)
Input L, N, G
Min conductor cross section
6mm²
(1015 10AWG)
10mm²
(UL1015 8AWG)
Input breaker
40A/250Vac
63A/250Vac
Output L,N,
Min conductor cross section
6mm²
(1015 10AWG)
10mm²
(UL1015 8AWG)
Torque for fixing above terminals
3.95~4.97Nm
(35~44 1b in)
1) It is suggested to install an external isolating device against current backfeed
between mains input and Power module. After the device is installed, it must
add a warning label with the following wording or the equivalent on the external
AC contactor:
RISK OF VOLTAGE BACKFEED
. Isolate the Power module
before operating on this circuit, then check for hazardous voltage between all
terminals.
AC Contactor
Coil Remotes Swith
Main
Input
Input Main
Breaker
L
N
UPS
Fig.6-1 Typical external isolating device installation
