Replacing Fans; Opening Ig Plus; Preparation - Fronius IG Plus Installation Instructions Manual

Replacing fans

Opening IG Plus

(2)
(2)

Preparation

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)
(1) (2) (3)
If present, switch off the external AC
1
and DC disconnect and lock it off to
avoid inadvertent operation.
Disconnect power to the AC side
2
Turn off the main DC switch.
3
Secure DC main switch from being tur-
4
ned back on
Remove TX 25 side screws (1) from
5
the power stage set
Open power stage set cover
6
Remove 4 TX 25 screws (2)
7
(2)
(2)
Disconnect 4 plugs (1, 2, 3, 4)
1
(4)
11