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45 Liebert
®
CRV
™
Figure 33 Figure 2T rack sensor
9.5.1 DIP Switch Settings
Three 2T sensor housings are included with each Liebert CRV. The DIP switches in these sensors
have been preset at the factory. It is recommended that you confirm that the DIP switches have been
set correctly using the below table. Any additional 2T sensor housings will need their dip switches set
per the below table. If the dip switches are not set correctly, the control will not operate properly.
Figure 34 DIP switches in 2T sensors
Table 21 DIP switch settings
2T Rack Sensor
DIP Switch Position
Factory-Set
to Terminated12345678
Included with Liebert CRV
Sensor # 1 Off Off ON Off
ON off off off
—
Sensor # 2 ON Off ON Off —
Sensor # 3 Off ON ON Off Yes
Optional 2T Rack Sensors
Sensor # 4 ON ON ON Off
ON off off off
—
Sensor # 5 Off Off Off ON —
Sensor # 6 ON Off Off ON —
Sensor # 7 Off ON Off ON —
Sensor # 8 On ON Off ON —
Sensor # 9 Off Off ON ON —
Sensor # 10 ON Off ON ON —
Each temperature
probe wire is 1830mm
(6 feet) long
Temperature sensing probe
2T Sensor
Back
Front View
Source DPN001983 rev0
86
(3-3/8")
41
(1-5/8")
4.5
(3/16")
67 (2-5/8")
Max. depth
41 (1-5/8")
1
1
2
(
4
-
7
/
1
6
"
)
Switch Up = ON
Switch Down = OFF