User guide

Page | 30

MRK-D-0022 V3.1 Aeroqual Series 200, 300 & 500 User Guide

7.2.2. Replacing the Sensor Head

1. Undo the four lid screws at each corner using a flat headed screw driver and remove the lid.

2. Unscrew and remove the inlet and outlet nozzles and threaded lock nuts on either end.

3. Remove the sensor head by carefully pulling it upwards, disconnecting it from the monitor.

4. Replace the sensor head.

5. Re-insert the nozzles and tighten using the lock-nuts on either end and ensure there is a tight

fit against the sensor head.

6. Replace the lid and tighten the four lid screws.

7.2.3. Removing the Monitor

1. Undo the four lid screws at each corner

using a flat headed screw driver and

remove the lid.

2. Loosen the lock nuts on either end of the

sensor head.

3. Depress the blue plastic clips on either

side of the monitor unit and then lift the

monitor up.

4. This will expose the rechargeable battery and also allow the mounting screws holding the blue

battery cover to be accessed.

5. Carefully disconnect the monitor from the sensor head and remove from the enclosure.

6. Reverse the process to reconnect the monitor back onto the battery cover.

Lock Nut