6.5.4
Other instructions
CHARGE CONTROLLERS OR STAND-ALONE INVERTERS
When using the solar module with charge controllers or stand-alone inverters, you must ensure that the
module is constantly operated at MPP under solar radiation. Longer operation with an open circuit (V
oc
)
is to be avoided.
CABLES AND CONNECTORS
Calyxo CX1, CX3, CX3pro and CX4 modules are pre-configured with industry standard connectors that
are “touch proof” with all live parts protected against accidental contact and protected against polarity
reversal. The cables and MC4 connectors are UV and weather resistant from –40°C to +85°C, and rated
for 1500VDC and 22.5A (minimum, before derating for ambient temperature). CX1 is also available with
pre-configured connectors MC3. The cables and MC3 connectors are UV and weather resistant from –
40°C to +85°C, and rated for 600VDC and 20 A (minimum, before derating for ambient temperature).
Connector Identification
CX1, CX3, CX3
pro
, CX4 - MC4 connectors of part numbers (PV-KST4/PV-KBT4):
CX1 (feature) - MC3
connectors of part numbers (PV-KST3/PV-KBT3):
Please note the following when selecting connecting cables and connectors:
•
Only use pre-assembled connecting cables and safe-to-touch, identical connectors.
•
Ensure that all electrical components are in a proper, dry and secure state. This prevents electrical
short circuits or dangerous contact voltages from arising from defective or damaged cables.
•
Always avoid placing mechanical stress on connecting cables.
•
Ensure wire securement methods, such as use of cable ties, do not damage wire insulation. The minimum
module lead wire bend radius is 5 times wire diameter. Observe minimum bend radius specifications on all
other PV system wiring.
•
Ensure sufficient strain relief for the cables, especially in the area of the junction boxes.
•
Ensure firm connection between the individual plugs (especially to the inverter). When
connecting, ensure that the two plugs properly click into place.
•
If wiring method is cable, select the cable diameter according national rules (i.e. IEC, EN, UL, NEC, CSA)
Minimum cable diameter is 2,5mm² (14AWG) Cu.
