Honeywell QX Manuale utente
43-TV-33-59 iss.2 GLO Jan 21 UK 1
QX and SX recorders - Installation Instruction
Mother Board
QX Recorder
SX Recorder
This Installation Instruction sheet is intended as a guide for replacing or installing hardware and for setting up
functionality in the recorder. Refer to the User manual for detailed operational requirements.
The QX and SX recorders are designed for ease of assembly with minimal disturbance to the rest of the unit. If unsure,
please return the unit to your supplier for repair or upgrade.
Removing the case and opening the back of the recorder should only be performed under the following circumstances:
When an item of hardware requires individual replacement.
When an item of hardware is to be retrospectively fitted.
In all other instances it is recommended that the complete unit be returned to an authorised agent or service centre.
For Agency Approved recorders the product needs to be upgraded or repaired by an Authorized Repair facility
WARNING
HAZARDOUS VOLTAGES
Disconnect all power to the recorder before removing the case and attempting any maintenance procedures.
SAFETY TESTS
Upon completion of service procedures detailed in this manual two basic safety tests should be performed in order to
ensure continued safe operation of the instrument.
Earth Resistance; 25 VDC applied between case and protective earth, bonding resistance should be < 0.1 Ohm.
Insulation Resistance; 500Vdc applied between the earth terminal, and the live and neutral terminal shorted together,
insulation resistance to be >2.0 MOhm. (Mega Ohm, NOT milli Ohm)
Failure to comply with these instructions could result in death or serious injury
CAUTION
OBSERVE ANTI-STATIC PRECAUTIONS
Refer to BS EN61340-5-1: 2001. Basic specification. Protection of electrostatic sensitive devices.
Full anti-static precautions MUST be observed when in contact with the electronics of your recorder.
SAVE DATA, SETUPS AND LAYOUTS
Removal of PCBs and battery back-up will result in the loss of all non-volatile data.
Ensure all data and set-ups are saved.
Failure to comply with these instructions may result in product damage.
43-TV-33-59 iss.2 GLO Jan 21 UK 2
Before attempting to repair or upgrade a recorder, it is advisable to clear a sufficient work space so components such as
the front panel can be rested on the work surface without getting scratched or damaged.
Panel Mounting
To replace the Mother Board the recorder must be removed from the panel. To require the recorder from the panel,
loosen the mounting clamp screws, slide the clamp towards the rear of the recorder and remove the clamps and the
recorder.
Removing the Case
Removal of the entire case is necessary for replacement of the Mother Board.
Remove any connectors fitted in the rear of the recorder, including the CJC sensors. The case and back panel can be
removed as one assembly.
Remove the 4 screws (2 on each side of the case). Retain screws for re-fitting.
Figure 1 shows the SX recorder; figure 2 shows the QX recorder.
Slide the entire case off the back of the recorder.
Figure 1
SX recorder
Figure 2
QX recorder
Remove 2 screws
each side
Remove 2 screws
each side
43-TV-33-59 iss.2 GLO Jan 21 UK 3
Removal and re-fitting the Mother Board
Once the case is removed, loosen the screws that hold all the I/O boards and power supply into the case. Pull each of
these cards towards the rear of the recorder so that their connectors disengage from the Mother Board. (The mother
board stands vertically inside the recorder). The boards do not need to be completely removed to allow access to the
Mother Board.
Disconnect the speaker cable from the mother Board.
Once all cards have been disengaged the Mother Board can be pulled upwards to unplug from the processor board.
The Mother Board can now be removed.
Figure 4 - QX recorder
Figure 2 QX recorder
Figure 3 - SX recorder
Figure 2 QX recorder
Loosen screws and
pull boards back
When boards are
disengaged, disconnect
speaker cable and pull
Mother Board up
Loosen screws and
pull boards back
When boards are
disengaged, disconnect
speaker cable and pull
mother board up
43-TV-33-59 iss.2 GLO Jan 21 UK 4
Inserting a Mother Board
Inserting a new Mother Board is simply the reverse operation.
Drop the new Mother Board into the board guides and push it down until it is fully plugged into the processor
board.
Reconnect the speaker cable.
Carefully slide all the boards back into the recorder ensuring that the connectors mate correctly with the Mother
Board.
Tighten the screws that retain the boards.
Slide the case back over the recorder assembly, ensuring that the rear connectors are aligned with the slots in
the rear panel.
Refit the 4 screws that fix the case to the recorder.
QX torque setting should be 0.5 - 0.75Nm/4.4 - 6.6lbf-in
SX torque setting should be 0.5 - 0.70Nm/4.4 - 6.2lbf-in
Copyrighted Materials. For more information please contact your supplier.
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