Detector Transmitter Board Replacement; Pqd Detector Display Module Replacement - Prosense PQ Series Installation And User Manual

Detector Transmitter board replacement:

Prosense detector transmitter is the main logic board including all definitions and
configuration. Hence it is necessary to perform reconfiguration in case of replacement. Hence
the spare part must be ordered by giving the serial number of the detector. The replacement
should be done via following steps:
1- Power-Off the detector via disconnecting power cable from control panel or supply
2- Open the detector cover
3- Remove display module from the mounting rails (PQN does not have display module)
4- Disconnect sensor, display, power and other external interface cables from the detector
main board (see diagram-11)
5- Remove the screws mounting the board to enclosure.
6- Remove the board
7- Install new board and fix via putting screws
8- Install sensor and display cables
9- Install power and other external interface cables
10- Power-on detector and check the LEDs according to steps given in "Commissioning"
section
11- Leave detector working at least 4 hours in clean air environment

PQD Detector Display Module replacement:

12- Check detector calibration.
Prosense PQD display board is a replaceable part. The replacement should be done via
following steps:
1- Power-Off the detector via disconnecting power cable from control panel or supply
2- Open the detector cover
3- Remove display module from the mounting rails
4- Disconnect display cable from main board (see diagram-11). The display board fixed to
the display board and should be disconnected from the socket on main board to remove
display module.
5- Connect new display boards connector to main board.
6- Install display board to mounting rails
7- Power-on detector and check the LEDs according to steps given in "Commissioning"
section
8- Check detector settings and adjust if necessary.
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