Honeywell Sensepoint XCD RFD Technical Manual page 43

Sensepoint XCD RFD Technical Manual
The current configuration of the XCD RFD is displayed and by using the '' switch to enter
"SEL gAS" menu. To select a flammable gas, use '' to move through the list, and then
use '' to make the selection or abort function to discard the selection and return to menu
mode.
If type of gas is changed, calibration prompt will appear to ask if you want to perform
calibration.
The 4-20mA analogue output signal will remain INHIBITED at 2mA (default setting) while the
XCD RFD remains in Configuration Mode. However, the ALARM and FAULT RELAYS remain
Changing the configuration of the Sensor Type or the Gas Star Rating for catalytic sensors
may result in temporary activation of the ALARM or FAULT RELAYS.
Should this occur, recalibrating the sensor will return the XCD RFD to normal condition and
As a precaution, please take necessary action to manually inhibit any external actuator
or alarm devices that are connected to the XCD RFD Alarm/Fault Relays to prevent
unnecessary activation during commissioning or reconfiguration of the XCD RFD gas
For CSA Certified applications, use CB-6 calibrated only to Methane.
Diagram 16: Gas Selection
CAUTION
Active.
reset the relays.
detector.
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SPXCDHMRFENU Issue 1