Manual Operation Test; Calibration And Test Kits - Macurco CX-6 Manuel D'instructions

Macurco CX-xx Manual (Rev-1.0) Eng
b. At the end of the test cycle, the fan & alarm relay will be in standby mode and the 4-20 mA output
will return to 4 mA (in clean air).
8. When testing is complete, reassemble the unit.

7.1.2 Manual Operation Test

This option gives the user the opportunity to manually initiate an individual test for each relay, the analog output
and the sensor response to gas.
To initiate a manual operation test,
1. From normal operation mode press Next 2 times to get to Test Mode (tSt).
2. Press Enter once to get into the Test Menu.
3. Press Next to scroll through the six test options.
Test Description
bUZ Buzzer Test
Art Alarm Relay Test
Frt Fan Relay Test
42t.C 4-20 mA Test for CO
42t.n 4-20 mA Test for NO
gtS Gas Test
4. Press Enter to initiate the selected test. Note that if the relay or 4–20 mA output has been disabled, the test
selection will not be displayed in the test menu.
5. Once the test is complete, the display will return to steady display. To exit the test menu, press the Next
button until "End" is displayed. Then, press Enter to return to normal mode.

7.2 Calibration and Test Kits

The following steps must be performed when conducting a calibration verification test
(bump test) to ensure proper performance of the monitor. Failure to do so may
adversely affect product performance.
When performing a calibration verification test (bump test) only use certified
•
calibration gas at the required concentration level.
• Do not test with expired calibration gas.
Do not cover or obstruct display or visual alarm cover.
•
• Ensure sensor inlets are unobstructed and are free of debris
Failure to follow instructions outlined in this user manual can result in sickness or
death.
REV – 1.1
Table 7-1
Test Length Display
3 seconds Flashes "bUZ"
5 seconds Flashes "Art"
60 seconds Flashes "Frt"
130 seconds Flashes "42t.C"
130 seconds Flashes "42t.n"
2
Flashes in a sequence of gtS, CO reading (indicated by C in
180 seconds the beginning) and NO2 reading (indicated by n in the
beginning). No output to the panel during the gas test.
Table 7-2
WARNING
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