Module Wiring - Canadian Solar CS3U-MB-FG Installation Manual

8 |
Detailed clearance requirements pertaining to system fire
ratings must be provided by your racking supplier.
5.1

MODULE WIRING

CORRECT WIRING SCHEME
· Ensure that the wiring is correct before starting up the
system. If the measured open circuit voltage (Voc) and
short-circuit current (Isc) differ substantially from the spe-
cifications, this indicates that there is a wiring fault.
· Do not connect different connectors (brand and model)
together.
· When modules have been pre-installed but the system has
not been connected to the grid yet, each module string
should be kept under open-circuit conditions and proper
TABLE 2:
SYSTEM CABLE CONFIGURATION FOR CS3U AND CS3K MODULES
Module types
Landscape installation two rows: CS3U/CS3W Cable length per lead= 1400 mm
CS3U-MB-FG
CS3K-MB-FG
CS3U-MB-AG
CS3K-MB-AG
CS3U-PB-FG
CS3K-PB-FG
CS3U-PB-AG
CS3K-PB-AG
CS3W-PB-AG
Portrait installation one row: CS3U/CS3K/CS3W Cable length per lead = 400 mm (+), 280 mm (-)
EN-Rev IM/GN-BM-EU/1.21 Copyright © July 2019. Canadian Solar Inc.
actions should be taken to avoid dust and moisture penet-
ration inside the connectors.
· For CS3W, CS3U and CS3K series modules, Canadian Solar
Inc. offers several cable length options to match various
system configurations, which are shown in table 2:
· On below figures, bold lines represent cable installation
pathways, while + and - connector correspond to positive
and negative module terminals respectively.
· Cables should always be fastened on module frames or
mounting rails, in order to avoid shading on module rear
side.
· In case where a cable connection method not included in
below table is used, please confirm suitable cable length
with Canadian Solar's sales representative.
Recommended wiring configurations
CS3K Cable length per lead=1250 mm
Adjacent modules in the same row need to be rotated 180 degrees for proper
installation.