Replacing Dc Main Switches; Removing Dc Main Switches; Installing Dc Main Switches - Fronius CL 44.4 Delta Serviceanleitung

Replacing DC main switches

Removing DC
main switches
(4)
(4)
Installing DC
main switches
108
(1) (2) (1)
(3) (3) (3)
(3) (3) (3)
12,5 cm (4.9 in.)
(5) (6)
WARNING! An electric shock can
be fatal. Danger from grid voltage
and DC voltage from solar mod-
ules.
Prior to all work on the inverter,
make sure that the AC and DC
wires are not charged.
Open both cabinet doors
1
Remove 3 TX 25 screws (1) and cover
2
plate (2)
(1)
Disconnect cable (3) using a flat
3
(3) (4)
wrench (size 17)
Remove TX 25 screws (5) and DC
4
main switch
Remove copper busbar (4) using a flat
5
wrench (size 17)
Remove shaft using a flathead scre-
6
wdriver
(3) (4)
Install shaft (6) on the DC main switch
1
(5) using a suitable flathead screwdri-
ver – keep the same distance (see pic-
ture on the left)