Clean the power connection socket, Replace the fuse – Hach-Lange Power connection box for SC analyzers User Manual
Page 10

10
Figure 8
Circuit diagram (see inside of the lid)
Clean the power connection socket
Wipe the outside of the housing with a damp cloth. Make sure that the connector is well
sealed with the sealing cap. Use a mild cleaning agent if required. Solvents must not be
used.
Replace the fuse
1. Make sure that the power connection box is disconnected from the power supply.
1
Phase, line (live)
7
Black for left power socket
2
Connection to terminal 1 via bridge
8
Black for right power socket
3
Connection to terminal 4 via bridge
9
White for left power socket
4
Neutral conductor
10 White for right power socket
5
Protective ground (two terminals)
11 Fuse, T 5 A H, 250 V (4x)
6
Protective ground for left and right power socket
12 Lid protective ground
D A N G E R
Risk of electric shock.
Disconnect the power connection socket from the power supply before it is cleaned in order to
avoid electric shocks.
D A N G E R
Risk of electric shock.
The procedures described in this section of the instruction sheet may only be performed by
qualified personnel.
D A N G E R
Risk of electric shock.
An incorrect fuse can lead to injuries and damage. The fuse must always be replaced with a fuse
of the same type and with the same nominal values.