Electrical connection
Operating Instructions KACO blueplanet 29.0TL3
Page 25
EN
Authorised electrician
Connecting the PV generator (XL version)
ඣ
PV generator is dimensioned according to the performance characteris-
tics of the unit.
1.
Remove protective cap from the DC connection plugs.
Note:
For each plug connector pair, the power output can be connected in
relation to the string fuse size used.
2. Connect the PV generator to the DC plug connectors on the underside
of the unit according to the polarity of the PV generator.
3. Meet the requirements of protection rating IP65 by closing the unused
plug connectors with protective caps.
4. Put on cover to safeguard the DC connections and latch into place by
pressing it.
»
The inverter is connected to the PV generator.
DC+
DC-
Figure 32: PV connection (blueplanet
29.0 TL3 - XL)
7.7
Grounding the housing
DANGER
Dangerous voltage due to two operating voltages!
Severe injuries or death may occur if the cables and terminals in the device are touched.
The discharge time of the capacitors is up to 5 minutes.
›
Only appropriately qualified and authorised electricians may open and maintain the inverter.
›
Before opening the unit: Disconnect the PV generator and grid and wait at least 5 minutes.
›
Establish ground connection under all circumstances before connecting the supply circuit.
›
Make sure that the device is isolated from the public power supply and the system power supply
before starting work.
In addition to the outer housing earth, there is a grounding point within the housing. Please observe any national
installation regulations in this respect.
Figure 33: Grounding point in the AC connection area
Grounding the housing
ඣ
Housing opened and door secured with the latch lever provided.
1.
Loosen the AC cable fitting and insert the earth cable into the housing.
2. Remove the insulation from the grounding cable.
3. Furnish the insulated grounding cable with a ring cable lug.
4. Loosen nut and lock washer at the marked grounding point.
5. Lay the grounding cable onto grounding point and attached with a nut and lock washer.
6. Lay the grounding cable so that it is not under tension and attach with a cable fitting.
»
Housing is properly grounded.
