Riello UPS MASTER HE - Page 43

0MNMHEM30RUENUB 00 pag. 43 / 57
Using the cable with two RJ45 terminals provided with each UPS (A), make the connections as shown below:
single MASTER HE configured in parallel
If it is required to use a UPS that has been configured as a parallel unit on its own, the signal card must be
jumpered with the cable provided as shown below.
A UPS PARALLEL CABLE
B RJ45 type connector
C RJ45-flat-adapter signal parallel card
D LED on
E SW1 start position.
F LED off
G SW1 cont position
two MASTER HE s in parallel
To add other parallel UPSs, a “UPS PARALLEL CABLE” must be added for each new UPS
connected.
The signal connection must not be removed when one UPS is shut down
B
B
C
A
D
E
MHT / NBP
B
B
C
A
D
E
B
B
C
A
F
G
B
B
C
A
D
E
B
B
C
A
F
G
B
B
C
F
G
A
MHT / NBP MHT / NBP MHT / NBP MHT / NBP
MHT/NBP/
MSB