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Field testing at PVEL showed up to 15% reduction in operating
temperatures of inverters with shade covers installed in direct sunlight. This
report can be found on the CPS America website under application notes.
https://www.chintpowersystems.com/downloads/application-notes/PVEL-
Field-Testing-Report-28kW-Inveter-Shade-Plate.pdf
9.2 Y-Comb Terminal Block (Optional)
The Y-Comb is intended for use in the SCA25KTL-DO/US-208. This accessory
is applied between two adjacent fuseholders within the inverter wire-box and
distributes current between the two fuseholders. When products such as Y-
branch connectors are used in the array field to combine the output of two
strings the current is as much as 30 or 40A. In order to distribute current and
provide optimal thermal results the Y-Comb is required.