Connection Of Dry Contact; Tighten The Waterproof Cover - Growatt SPH TL BL-UP Series Installation Manual

Chart 5.43
Note:
1.If you are using a lithium battery, you do not need to install this temperature
probe, the probe of the temperature cable should be attached to the surrounding
environment of the lead-acid battery, and the length of this cable is 1.5m, so pay
attention to the distance of battery and SPH.
2.If the cable such as "NTC" (lead-acid battery temperature sensor) cable is not
used, please do not remove the filler plug from the cable support sleeve.

5.5.10 Connection of Dry contact

The dry contact is used to communicate with external devices (such as remote start
hot water heater). The wiring steps are as follows:
1.Unscrew the swivel nut from the cable gland.
2.Thread the swivel nut over the cable.
3.Press the cable support sleeve out of the cable gland.
4.Remove the filler plug from the cable support sleeve.
5.Route the network cable through an opening in the cable support sleeve.
6.Thread the network cable through the cable gland.
7.Thread cables into connection terminal of the inverter, then press the terminal by
relevant tools and make sure cables are firmly.
8.If no other cables need to be installed, lock the waterproof cover to the inverter
with screws.
9.Screw the swivel nut onto the waterproof cover.
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Chart 5.44
Chart 5.45
Note:
If the cable such as "Dry contact" cable is not used, please do not remove the filler
plug from the cable support sleeve.

5.5.11 Tighten the waterproof cover

When all the communication lines are installed, push the waterproof cover into the
bottom, lock the screws fixed to the frame, and finally lock the waterproof cap.
Chart 5.46
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