Macurco CD Series, Инструкция пользователя

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Macurco CD-xx H/MC Manual
REV – 1.1 [34-2900-0510-8] 25 | P a g e
d. The 4-20mA output will then ramp up from 4 to 16 mA over the next 130 seconds of the test, so if the circuit is
wired in the normal manner, the control panel or building automation system should respond.
e. At the end of the test cycle, the fan & alarm relay will be in standby mode and the 4-20 mA output will
corresponding to the gas reading of the detector. Refer to section
31T
3-1 4-20mA Output Diagram
31T
for expected
value.
8. When testing is completed reassemble the unit or units.
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.
From normal operation mode press the
42T
Next
42T
button 2 times to get to the Test Mode (tSt).
Press the
42T
Enter
42T
button once to get into the Test Menu.
Press the
42T
Next
42T
button to scroll through the Five test options and press
42T
Enter
42T
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.
42T
bUZ
42T
- Buzzer Test, 3 seconds
42T
Art
42T
- Alarm Relay Test, 5 seconds
42T
Frt
42T
- Fan Relay Test, 60 seconds
42T
42t
42T
- 420 loop test, 130 seconds
42T
gtS
42T
- Gas Test, 3 minutes (no output to the panel during the gas test)
The display will flash during the test, or in the case of the gas test, the gas level will alternate with gtS. Once the test is
complete, the display will return to a steady display. To ex
it 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 or 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 or 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.