8 installing internal temperature sensor – SMA SC 100LV-560HE User Manual
Page 42

Electrical Connection
SMA Solar Technology AG
42
SC125_560HE-IEN083220
Installation Guide
5.1.8 Installing internal temperature sensor
The measurement of the inside temperature of the switch cabinet is carried out by a temperature
sensor. In the switch cabinets of the Sunny Central 350, Sunny Central 350HE, Sunny Central 500HE
and Sunny Central 560HE, the temperature sensor is pre-mounted. In all other switch cabinets, the
temperature sensor is located in the DC cabinet upon delivery of the inverters and has to be moved
to and fixed into the AC cabinet when assembling the two switch cabinets.
The temperature sensor has to be fixed in the middle of the inverter. Appropriate retaining screws and
a cable clamp are pre-mounted at the marked installation site.
Fixing the sensor:
1. Open the housing of the temperature sensor.
2. The lower part has to be screwed slightly onto the inside construction.
3. Close the cover of the temperature sensor.
Mounting the temperature sensor in the DC cabinet of the Sunny Central 150. The temperature sensor
has to be fixed to the right side panel in the DC cabinet.
L2 L3
L1
L2 L3
L1
N
N
L1
L2
L3
L1
L2
L3
PE
PE
L+
L-
L+
L-