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Startup, Pirecl startup/commissioning checklists – Det-Tronics PIRECL Infrared Carbon Dioxide Gas Detector PointWatch Eclipse User Manual

Page 20

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2.1

StArtup

When the Eclipse is installed and wired as described in

the “Installation” section, it is ready for commissioning.

If the application requires that specific changes be

made to the configuration settings, HART or MODBUS

communication will be required. Refer to the appropriate

Appendix for details.

NoTe

ensure that controller alarm outputs are inhibited
for a minimum of 10 seconds after system
power-up to prevent unwanted output actuation.

NoTe

The safety function (gas input-to-actuation/
notification) must always be verified upon
completion of installation and/or modification.

pIreCl STarTUp/CoMMISSIonInG CheCklISTS
electrical Checklist
• All 24 Vdc power conductors are properly sized and

are properly terminated.

• The 24 Vdc power supply provides sufficient load

capacity for all gas detectors.

• Using a DC voltmeter, 24 Vdc has been measured at

the detector.

• All signal output conductors are properly terminated,

and the jumper wire is installed if a non-isolated

signal output is desired.

• All relay contact output signal conductors are

properly terminated if applicable.

• All screw terminals have been tightened and all wires

pull-tested to confirm proper termination has been

accomplished.

Mechanical Checklist
• PIRECL detector is mounted to a solid surface not

prone to high vibration, shock, traumatic impact or

other undesirable condition.

• PIRECL detector is installed in proper orientation

(horizontal).

• PIRECL detector is installed to achieve weatherproof

status, e.g. conduit seals or cable glands have been

properly installed. If there is an unused conduit

entry, this entry has been sealed with a weathertight

plug.

• PIRECL detector threaded covers are tightened to

engage all O-rings.

• The hex head set screw is tightened to secure the

cover and prevent access to the wiring compartment

without the use of a tool.

Gas Detection and Measurement Checklist
• Area(s) of coverage have been identified, and

optimum detector locations for installation are

documented.

• Detector installation location is suitable for intended

purpose, e.g. no obvious impediments to contact

with the gas of interest exist or are likely to exist.

• Proper calibration gas is available to perform proof of

response test or calibration during commissioning.

• HART communicator or similar field communicator

is available if field programming is expected or

required.

• Calibration magnet is available to initiate quick

calibration or reset.