RSD switch Additional Info

Installer Memo - North America

• If the voltage across the pins is ~0 Vdc then the switch is NOT wired correctly.

Fix the wiring per instructions here.

• If the voltage across the pins is ~3.3 Vdc then the switch is wired correctly.

3. Ensure you turn the Rapid Shutdown Switch back ON.

Annexure 1: Instructions to discharge the IQ System Controller 2

a) Turn DC switches in IQ Batteries to off (if Battery is installed)

b) Open IQ Battery breaker in IQ System Controller.

c) Open PV breaker in IQ System Controller.

d) Open the mains breaker.

e) Disconnect the grid source power supply (breaker in main panel).

f) Open generator breaker.

g) Use multi meter to measure AC voltage on all the following terminals – PV, IQ

Battery, Grid, Load and Generator. It is safe to work on IQ System Controller only

when no voltage is detected on any of these terminals, and you have ensured that

all IQ Battery units have DC switches powered off.

h) Wait for 5 mins before proceeding with wiring the RSD switch, follow

the wiring diagram shared herein or in Rapid Shutdown switch installation guide.

Annexure 2: Instructions to energize the IQ System Controller 2

After wiring the RSD switch, please follow the following instructions to power on the IQ

System Controller 2.

a) You must ensure that all electrical circuits external to IQ System Controller are

completed and safe before energizing IQ System Controller in the following order:

Turn On NFT breaker

Turn On Main breaker

Turn On PV breaker

Turn On IQ Battery breaker

Turn On Generator breaker

Turn On Load breaker

b) Wait and observe if the IQ Battery red LEDs flash 3 times continuously. Wait for up to 10

minutes, with the red LED flashing, before turning on the DC switch on IQ Battery. The

IQ Battery LED should change to blue or green based on SOC of battery.

c) Close the cover of the IQ Battery.

d) Energize the circuit feeding the IQ System Controller. If installed, turn the breaker

feeding the IQ System Controller to ON position.

e) Close and secure the door of the IQ System Controller.

f) Turn the RSD switch to the ON position.