Sentry P2B-ATEX Installation & Operation Manual page 8

Counter
Set the counter by adjusting the DIP switches .
 NOTE
For CE applications, power must be removed before changing DIP switches .
CTR106
Starting the Sampler Controller
To start the sampler controller and begin sampling, select HAND or AUTO position using the selector switch .
ƒ HAND position: Hold the selector switch in the HAND position . The sampler extends and remains extended until
the selector switch is released . When the switch is released, the sampler retracts and the sample is deposited .
ƒ AUTO position: Place the switch in AUTO position to initiate continual sampling . A light indicates that the sampler
is in Auto mode . An optional relay is provided to allow remote starts . A jumper must be removed and a circuit must
be completed . See the electrical wiring diagram for details .
Stopping the Sampler Controller
ƒ To stop sampling and return the sample probe to the retracted position, place the selector switch in the OFF
position .
 NOTE:
An emergency stop, if required, shall be provided by others .
Reset
To reset the batch counter (CTR-106), place the HOA in the OFF position . Or, it can be done remotely by removing
power from CR-142 .
8 Sentry Equipment Corp