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Macurco CD-xx H/MC Manual
4.5.5 Alarm Relay Setting – "ArS"
To select the Alarm Relay Setting, in normal mode, push the Next button to get to "Con" or the Configuration menu. Then push
the Enter button to enter the Con menu. The fifth selection is the "ArS" or Alarm Relay Setting. Push Next three times to get to
"ArS" then Enter. If the display is "dIS" (disabled) push Next to change it to 900, 1000, 1100, 1200, ..., 4000 (default), ..., 4800,
4900, 5000 ppm (flashing) then push Enter to confirm the change (solid) and push Enter again to return to "ArS" in the Con
menu. Push Next until "End" is displayed then push Enter to get back to normal operation.
4.5.6 Alarm Relay Configuration – "Arc"
To select the Alarm Relay Configuration, in normal mode, push the Next button to get to "Con" or the Configuration menu. Then
push the Enter button to enter the Con menu. The sixth selection is the "Arc" or Alarm Relay Configuration. Push Next four
times to get to "Arc" then Enter. If the relay is "nO" (normally open) push Next to turn it to "nC" (flashing) then push Enter to
confirm the change (solid) and push Enter again to return to "Arc" in the Con menu. Push Next until "End" is displayed then
push Enter to get back to normal operation.
4.5.7 Fan Relay Setting – "FrS"
To select the Fan Relay setting, in normal mode, push the Next button to get to "Con" or the Configuration menu. Then push the
Enter button to enter the Con menu. The seventh selection is the "FrS" or Fan Relay setting. Push Next five times to get to "FrS"
then Enter. If the fan relay is "dIS" (disabled) push Next to change it to 600, 700, 800, 900..., 1000 (default)..., 4800, 4900, 5000
ppm (flashing) then push Enter to confirm the change (solid) and push Enter again to return to "FrS" in the Con menu. Push
Next until "End" is displayed then push Enter to get back to normal operation.
4.5.8 Fan Relay Delay Setting – "Frd"
To select the Fan Relay Delay setting, in normal mode, push the Next button to get to "Con" or the Configuration menu. Then
push the Enter button to enter the Con menu. The eighth selection is the "Frd" or Fan Relay Delay. Push Next six times to get to
"Frd" then Enter. If the delay is "0" (disabled) push Next to change it to 1, 3, 5, or 10 minutes (flashing) then push Enter to
confirm the change (solid) and push Enter again to return to "Frd" in the Con menu. Push Next until "End" is displayed then
push Enter to get back to normal operation.
4.5.9 Fan Relay Minimum Runtime Setting – "Frr"
To select the Fan Relay Minimum Runtime setting, in normal mode, push the Next button to get to "Con" or the Configuration
menu. Then push the Enter button to enter the Con menu. The ninth selection is the "Frr" or Fan Minimum Run Time. Push Next
seven times to get to "Frr" then Enter. If the runtime is "0" (disabled) push Next to change it to 3, 5, 10 or 15 minutes (flashing)
then push Enter to confirm the change (solid) and push Enter again to return to "Frr" in the Con menu. Push Next until "End" is
displayed then push Enter to get back to normal operation.
4.5.10 Fan Relay Latching Setting – "FrL"
To select the Fan Relay Latching Option, in normal mode, push the Next button to get to "Con" or the Configuration menu. Then
push the Enter button to enter the Con menu. The tenth selection is the "FrL" or Fan Relay Latching Option. Push Next nine
times to get to "FrL" then Enter. If latching is "OFF" push Next to turn it to "ON" (flashing) then push Enter to confirm the
change (solid) and push Enter again to return to "FrL" in the Con menu. Push Next until "End" is displayed then push Enter to
get back to normal operation.
4.5.11 Trouble Fan Setting – "tFS"
To select the Trouble Fan Setting Option, in normal mode, push the Next button to get to "Con" or the Configuration menu.
Then push the Enter button to enter the Con menu. The eleventh selection is the "tFS" or Trouble Fan Setting Option. Push Next
ten times to get to "tFS" then Enter. If Trouble Fan Setting is "OFF" push Next to turn it to "ON" (flashing) then push Enter to
confirm the change (solid) and push Enter again to return to "tFS" in the Con menu. Push Next until "End" is displayed then
push Enter to get back to normal operation.
REV – 1.1
[34-2900-0510-8]
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