Replacing the Safety Switch
Removing the Safety Switch
1. Turn OFF the inverter ON/OFF switch, and wait until the LCD indicates that the DC voltage is safe (<50V), or wait five minutes before
continuing to the next step.
WARNING!
Ifyoucannotseetheinverterpanel,orifamalfunctionisindicatedontheLCDpanel,waitfiveminutesfortheinputcapacitorsofthe
invertertodischarge.
Si vous ne pouvez pas voir l'écran de l'onduleur ou si un dysfonctionnement est indiqué sur l'écran LCD, attendez cinq minutes pour que
les condensateurs d'entrée de l'onduleur soient déchargés.
2. Turn OFF the Safety Switch and the AC switch of the distribution panel.
3. Open the inverter cover.
4. Disconnect the DC and AC wires from the inverter. If there are ferrite beads on the DC and AC wires in the inverter, open them and set
aside.
5. Disconnect the RS485 connector from the inverter communication board.
6. Unscrew the two conduit nuts in the inverter securing the Safety Switch to the inverter.
7. Open the Safety Switch cover and disconnect the DC and AC wires. Unscrew the two conduit nuts securing the Safety Switch to the
external conduits.
8. If the Safety Switch bracket is screwed to the wall, release it.
9. Carefully remove the Safety Switch with its mounting bracket and RGM communication cable from the wall.
Installing a New Safety Switch
1. Open the conduit knockouts of the new Safety Switch (refer to Opening Conduit Knockouts on page 1).
2. Position the new Safety Switch below the inverter and from the inside of the inverter grab the AC and DC wires extending from the switch
conduits, as shown below:
Figure 10: Inserting the AC and DC conduits
3. Attach the Safety Switch with its bracket to the wall and slightly close the screws. Do not over tighten.
4. Insert the RGM RS485 cable through the DC side conduit of the Safety Switch and connect to the inverter communication board.
5. Securely screw the two conduit nuts onto the conduit ends in the inverter. Verify proper conduit sealing.
Connecting the Safety Switch to the Inverter
1. If ferrite beads were removed from the DC and AC wires, place them on the wires and close them. Make sure the DC labeled ferrite bead
is placed on the DC wires and the AC labeled ferrite bead is placed on the AC wires.
2. Connect the DC, as follows:
lConnect the red wire to any of the DC+ terminals in the inverter.
lConnect the black wire to any of the DC- terminals in the inverter.
Built-in Revenue Grade Meter Troubleshooting
10
Replacing the Safety Switch
