User Manual

Table Of Contents
Macurco CX-xx Manual (Rev-1.0) Eng
REV 1.1 [34-2900-0512-0 ] 34 | Page
Table 7-1
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
Test Length
Display
bUZ
Buzzer Test
3 seconds
Flashes “bUZ”
Art
Alarm Relay Test
5 seconds
Flashes “Art”
Frt
Fan Relay Test
60 seconds
Flashes “Frt”
42t.C
4-20 mA Test for CO
130 seconds
Flashes “42t.C
42t.n
4-20 mA Test for NO
2
130 seconds
Flashes “42t.n”
gtS Gas Test 180 seconds
Flashes in a sequence of gtS, CO reading (indicated by C in
the beginning) and NO2 reading (indicated by n in the
beginning). No output to the panel during the gas test.
Table 7-2
4. Press Enter to initiate the selected test. Note that if the relay or 420 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
WARNING
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.