Ametek 3050-AP, Руководство пользователя

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Instalation and Startup 2-13
Figure 2.10
Analyzer Start-up
1. Turn on power source.
2. Open main process shut-off valve. Adjust sample pressure between 20 and 50 psig. Al-
low the analyzer to dry down before recording moisture concentration measurements.
Dry Down Period
Allow a minimum of two hours for the analyzer to dry down and stabilize. Allow a minimum
of three days for sample tubing. System alarms are normal during this period. When dry down
is complete, cell frequency will be stable and the recorded data will have leveled off.
Status LEDs and Alarms
There are three LEDs used for local indication of the system status. The green LED indicates
power is supplied to the system. The red LED is used to reflect the status of the concentration,
data valid, and system alarms. In the event of a concentration alarm, the red LED will be on.
The yellow LED reflects sample flow status. On indicates sample gas is being measured, off
indicates dry reference gas. In the event of a system alarm, the red LED will signal the source of
the problem. The red LED will flash on for one second and off for one second with the number
of flashes as indicated in Table 2.1. Once a flash sequence has completed, the LED will remain
off for five seconds. At the end of the pause period, the sequence will be repeated. If there are
multiple system alarms then the highest priority alarm will be indicated until it clears. The
alarms are listed in order of priority with the higher priority alarm having the fewest flashes.