Omron KP100G, Technical Manual

Page: 22 / 54

KP100G
22
Wiring
Plug Processing
WARNING
IP65 performance may not be provided, if you don’t follow these instructions:
1. Tighten the cable glands of AC output and RS-485.
2. Use a wire with a cross-sectional area of 4 mm
2
or AWG12 and a cable with diameter of 6 mm is allowed for the AC connector.
Use a wire with a cross-sectional area of 10 mm
2
or AWG8 is a cable with diameter of 7.5 to 15 mm allowed for GND connector.
3. Tighten the screws of the AC output over and RS-232C and RS-485 protection cover to the specified torque (1.3 to 1.6 N
•
m). Or
tighten the screws of RS-232C connecter properly.
4. Some thinning of the cable may be caused due to usage conditions, with the result that IP65 performance may not be provided.
Perform additional tightening of the tightening cap of AC cover and communication cover regularly.
5. Tighten the tightening cap of communications cover to the specified torque.
6. Use a wire with 0.3 mm
2
is and a cable with diameter of 4 mm allowed for the communications plug.
7. Tightly tighten the screws of plug with Data Logger.
Connecting the AC Output Cable
Connect your PV-Inverter to the AC Connection unit via the AC output cable as following steps:
Fig, 5-17 Wiring the KP100G to the grid
(1) Open the AC output cover with a screw driver.
Fig, 5-18 Open the AC output cover
AC connection unit
(Consisting of
breaker, fuse,
terminals etc.)
AC Output Connector
AC Output cable
(4mm
2
or AWG12)
GND cable
(10mm
2
or AWG 8)
Grid
AC output cover
Cable glands