User Guide
Control Room Unit for Model 9100 Carbon Monoxide Monitors
3
Optional Rack Mounting
The rack-mount option allows the Control Room Unit to be fitted into a standard 19” rack.
The mounted CRU is 4U (176 mm, 6.9”) high. This option is supplied fully-assembled
with its power supply and all dc connections.
NOTE: The CRU must be installed into a suitable rack or enclosure before use. It is the
user’s responsibility to ensure compliance with all applicable wiring, safety and EMC
regulations.
Dimensions
Height:
176 mm, 6.9”
Width:
483 mm, 19.0”
Depth:
135 mm, 5.3”
NOTE: All inputs and outputs will require connection by the customer, plus a suitable
mains power supply into the 24 V dc power supply unit.
F1
F2
F3
F4
F5
F6
F7
F8
F9
ESC
i
3
def
6
mno
9
wxyz
1
symbol
4
ghi
7
pqrs
+/-
2
abc
5
jkl
8
tuv
0
176 mm / 6.9”
483 mm / 19 “
135 mm / 5.3
“
NEUTRAL
LIVE
GRO
UND
Power connections
NOTE: All power connections are
made on the reverse side (shown).
Termination details are shown in the
adjacent diagram.