SMA Sensorbox - Manual (Page 39)

SMA Solar Technology AG Startup
Installation Guide Sensorbox-IEN100914 39
7.4 Connecting the Ambient Temperature Sensor
1. Open the Sunny SensorBox (see page 61).
2. Unscrew the cable gland's lock nut on the bottom
center of the Sunny SensorBox and remove the filler
plugs.
3. Thread the sensor cable through the lock nut and
the cable gland to the bottom center and then
tighten the cable gland.
4. Remove the termination resistor and the bridge from
the "F6: TmpAmp" terminal of the Sunny SensorBox.
5. Connect the sensor to the "F6: TmpAmb" terminal of
the Sunny SensorBox.
6. Make sure the gasket of the cable gland is properly seated.
7. Screw the lock nut onto the cable gland until finger tight (torque: 0.8 Nm).
8. Lay the cable using suitable fastening material.
☑ The ambient temperature sensor is connected.
You can now connect additional sensors or connect the Sunny SensorBox via the
RS485 Power Injector or the SMA Power Injector with Bluetooth and turn it on.
Specified cable length when connecting to the SensorBox
• Note the cable length specified in the sensor manual.