Alpha Technologies CFR Redundant Control Unit - Manual (Page 10)

8
2 Installation
2.2 Rack Mount Installation
NOTES: 1) The RCU can be mounted in either a 19 or 23 inch rack by adjusting the configura-
tion of the rack mount brackets.
2) Use #4 AWG for connecting the input and output terminal blocks and #18–22 AWG
solid wire for connecting the communication terminal block.
3) DANGER: Before installation, make sure the Input 1 and 2 circuit breakers are
OFF.
Attach the rack mount brackets
to the RCU in either the front
or mid mount position
Attach the RCU
to the rack
Wire the communication
lines to the communication
terminal block with #18–22
gauge solid wire
Wire the load(s)
to the output
terminal block with
#4 AWG
Wire the inputs
to the input
terminal block with
#4 AWG
Mid Mount
Attachment Points
Figure 2.1
RCU Rack Mounting
4
1
3
5
2