APsmart RSD-D User manual

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RSD-D Quick Installation Guide
Step1. Buckle RSD-D onto the PV module frame.
A.Back buckle
B.Front buckle
Step 2. Connect the INPUT1 connectors of the RSD-D to the first PV module junction box
and connect the INPUT2 connectors to second PV module, the device DC output voltage
is within the range of 1.2 ~ 2v.
NOTE: Do not short-circuit the RSD-D output connectors, otherwise it will be damaged.
2021/09/27 Rev2.6 | Quick Installation Guide1
Mounting brackets
INPUT2+ INPUT1+
OUTPUT- OUTPUT+
INPUT2- INPUT1-
NOTE: Do not place the RSD-D (including DC connectors) where exposed to the sun, rain or snow, even gap
between modules. Allow a minimum of 3/4’’(1.5cm.) between the roof and the bottom of the RSD-D to
allow proper air flow.

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Step 3. Connect the output connectors of RSD-D in series to the string, the string open-air
DC voltage is within the range of (1.2 ~ 2v) X #RSD-Ds. (This range may vary due to dierent
on-site environment.)
NOTE: Do not connect homerun to inverter before finishing all strings connections and tests.
WARNING: When connecting the RSD-D to only one PV module, use INPUT1 port ONLY, then short both terminals
of INPUT2 directly or by extension cable, otherwise the RSD-D may be damaged. The DC output voltage remain
same.
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2021/10/08 Rev2.6 | Quick Installation Guide2
Product information is subject to change without notice.(Please download manuals at www.APsmartglobal.com).
APsmart
600 Ericksen Ave NE, Suite 200 Seattle, WA 98110 | [phone]
[phone] | APsmartglobal.com | [e-mail]
Bending Radius of the cable >50mm
NOTE: When installing RSD-D cable, the bending radius of the cable near the casing must be greater than 50 mm.
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NOTE: Please use the same type of DC connector as the RSD in the system. The RSD damage caused by using
dierent type of DC connector will not be covered by the warranty.