SolarEdge 330kW User manual

Version 1.0, December 2023
SolarEdge 330kW inverter internal fan for short bracket replacement - Support kit manual
1
SolarEdge 330kW inverter internal fan for short
bracket replacement – Support kit manual
This manual describes the procedure for replacing the SolarEdge 330kW Inverter Internal Fan
for Short Bracket.
Revision history
Version 1.0, December 2023 – Initial release
Kit contents
SolarEdge 330kW Inverter Internal Fan for Short Bracket PN FLD-3PH-OR-IN-01.
Required tools
Torque screwdriver
5mm hex bit
Flat screwdriver
Voltmeter
Before you begin
1. Set the P/1/0 switch to “0” (OFF).
2. Turn the DC ON/OFF Switch to the OFF position.
3. To lock the DC Switch, pull the white tab out away from the blue handle and insert a
padlock through one of the holes.
4. Lock the padlock.

Version 1.0, December 2023
SolarEdge 330kW inverter internal fan for short bracket replacement - Support kit manual
2
DC ON/OFF switch safety padlock
5. Disconnect AC power to the inverter by turning OFF the circuit breaker in the power
distribution panel.
6. Wait at least five minutes for the DC Voltage inside the inverter to drop to a safe level.
7. As an additional safety precaution, lock the power distribution panel.
Remove the cover
NOTE
The inverter cover assembly is too big for one person to handle safely. SolarEdge recommends that
two people remove and handle the cover assembly.
To remove the inverter cover, use a screwdriver with a 5mm hex bit to release the screws
holding the cover in place.
Inverter Cover Assembly
WARNING!
Before doing any maintenance work on the inverter, test for safe AC and DC voltages.

Version 1.0, December 2023
SolarEdge 330kW inverter internal fan for short bracket replacement - Support kit manual
3
Remove the damaged fan
1. Using a flat screwdriver, loosen the two screws holding the fan.
2. Pull the fan and bracket out of the inverter.
Remove the fan and bracket
3. Disconnect the fan’s power cable.
Install the replacement fan
1. Reconnect the fan’s power cable. Pull gently on the connector to make sure it is properly
connected.
2. Insert the fan into position.
Insert the fan
3. Ensure that the holes at the bottom of the bracket engage with the two guide pins.
NOTE
When installing the fan and bracket, the bracket must not touch the bus bar.
4. Using a flat screwdriver, tighten the fan assembly clamping screws to a torque of 2.4N·m
(21.2lbf·in).

Version 1.0, December 2023
SolarEdge 330kW inverter internal fan for short bracket replacement - Support kit manual
4
5. Place the cover assembly in position and, using a torque wrench with a 5mm hex bit,
tighten the screws to a torque of 3.9N·m (34.5lbf·in).
6. Tighten the screws in the following sequence:
Screw tightening sequence
Turn on the power
1. Unlock the power distribution panel and turn ON the AC circuit breaker/s.
1. Remove the padlock and turn the DC Switch ON.
2. Set the P/1/0 switch to “1” (ON).