SMA sunny home manager Installation Manual page 50

7 Connection
Procedure:
1. Mount the top-hat rail power supply unit on the top-hat rail (see the top-hat rail power supply
unit documentation).
2. Connect the cable for the Sunny Home Manager to the top-hat rail power supply unit (see the
top-hat rail power supply unit documentation). Shorten the unused insulated conductors flush
with the cable shield.
3. Write down the color of the insulated conductors.
Terminals on the top-hat rail power sup-
ply unit
DC+
DC-
4. Remove 4 cm of the cable sheath at the other end of the cable.
5. Shorten the cable shield to approximately 5 mm.
Fold the surplus cable shield back onto the cable
sheath.
6. Shorten unused insulated conductors flush with
the cable sheath.
7. Strip off the conductor insulation by 6 mm.
8. Release the pin connectors of the four-pole plug
with a screwdriver. Insert the DC- insulated
conductor into pin 3 and the DC+ insulated
conductor into pin 4 of the four-pole plug.
9. If no energy meter is connected to the four-pole plug, insert the four-pole plug into the lower
contact pin row of any one of the pin connectors on the Sunny Home Manager.
50 HoMan-IA-en-20
SMA Solar Technology AG
Insulated conductor color
Installation Manual