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6.2 Replacing the Inverter Breaker
6 Maintenance
6.1 Power OFF the Device
DANGER
INSTRUCTIONS PERTAINING TO A RISK OF FIRE OR ELECTRIC SHOCK
• Power o the device before operations and maintenance. Otherwise, the device may be
damaged or electric shocks may occur.
• Delayed discharge. Wait until the components are discharged and the LED indicators are
o after power o.
WARNING
• Make sure that the device is powered o.
• Wear proper personal protective equipment before any operations.
Step 1 Turn o the main breaker of the device.
Step 2 Turn o the inverter breaker of the device.
Step 3 Turn o the breaker of the main panel.
Step 4 Power o the inverter.
Step 1 Loosen the screws and cables of the breaker.
Step 2 Pull the plastic slot under the breaker.
Step 3 Replace the breaker with a new one, the new breaker shall be AC40A or 63A(60A) and
UL489 certied.
Step 4 Place the breaker properly and push the plastic slot. Make sure that the breaker is
securely installed.
Step 5 Tighten the cables.
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