11
EN-US
Replacing fans
Opening IG Plus
If present, switch off the external AC
and DC disconnect and lock it off to
avoid inadvertent operation.
Disconnect power to the AC side
Turn off the main DC switch.
Secure DC main switch from being tur-
ned back on
Remove TX 25 side screws (1) from
the power stage set
Open power stage set cover
Remove 4 TX 25 screws (2)
Preparation
Disconnect 4 plugs (1, 2, 3, 4)
WARNING! An electric shock can be fatal. Danger from grid voltage and DC volt-
age from solar modules. Never work with live wires! Make sure that the AC and
DC wires are not charged before you start work on the inverter.
(1) (1)
2
3
4
6
7
(1)
(2) (3) (4)
1