Mastervolt MLI Ultra 12/2750

10
MLI Ultra 12/2750, 12/5500, 24/5500 – User and Installation Manual
Installation drawing of a single unit
System parts
A
MLI Ultra
B
Battery fuse in positive cable
C
Safety relay
D
MasterBus / CZone connection (see sections Network wiring on pages 16 and 24)
E
Negative busbar
F
Positive busbar
Note: for safety reasons, the jumper wire is intentionally factory-set on pins 4 and 5, to generate an
alarm and as a reminder to install the relay. To void the alarm: wire the relay and move the
jumper wire to pins 4 and 8.
Safety relay connections
Wire
Connect to (pin)
Description
Red wire
1
Relay Control (RC) positive
Brown wire
2
Close relay pulse
Orange wire
3
Open relay pulse
Black wire
4
RC minus
Yellow wire
5
FeedBack signal relay
Jumper wire
to
8–4
Relays connector detect, connect to RC minus