Replacement Of Arrestors; Replacement Of Relays; Ac Thermomagnetic Switch Replacement; Electrical Cards Of The Unit - Ingeteam INGECON SUN PowerMax TL U B 1000 Vdc Series Installation And Operation Manual

Maintenance

22.4.1. Replacement of arrestors

When an arrestor is tripped, the inverter must display an alarm. After a trip, the affected arrestor must be replaced.
Follow these steps:
1. Access the DCAC connections module via the folding door.
2. Identify the affected arrestor. An arrester displays the status window in red after being tripped.
3. Remove the affected arrestor from its base.
4. Insert a new arrestor in the base with the same characteristics as the one removed.
5. Close the DCAC connections module.
If the base of arresters´ base have suffered damages because of a discharge, replace the base + arresters group.

22.4.2. Replacement of relays

The unit has five electromechanical relays: three on the DCAC connections module (-K6, -K8 and -K9) and two on
the power module (-K5 and -K7).
All unit relays are installed over DIN rail bases. The replacement of these consists in removing the broken relay and
inserting its spare in the base.

22.4.3. AC thermomagnetic switch replacement

Contact Ingeteam.

22.4.4. Electrical cards of the unit

Contact Ingeteam.

22.4.5. Replacement of the power phase

DANGER
Not installing the connection busbars between phase, after the replacement of one or various power phases, causes
severe damage to the unit. Ingeteam is not responsible for the damage caused from not properly installing these
busbars.
CAUTION
The replacement of a power phase must be executed by two people due to its weight.
The unit has three electronic devices (-R, -S, -T) on the upper part of the power module. To replace one power
phase, perform the following steps:
1. Access the power supply module via the folding door.
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