JUMO 202580, Installation Instructions Manual

Page: 7 / 82

7
10 Retrofitting optional boards
10.1 Inserting optional boards
The following step-by-step table explains in detail the procedure for retrofitting
optional boards:
DANGER!
Insertion and removal of optional boards must be performed only by qualified
personnel. To ensure electrical safety, country-specific regulations must be ob-
served.
Step Action
1 Disconnect all phases of the voltage supply to the device (power
grid, outside power supply sources for relays/solid-state relays
etc.).
2 Identify the optional board from the part number on the sticker at-
tached to the packaging as well as from the connection socket and
the accessories table.
v
Chapter "Accessories", Page 19
Using the block diagram, select a suitable slot for the optional
board.
v
Chapter 3.2 "Block diagram", Page 13