Riken Keiki RI-557 Manuale utente

PT3E-0391

OPERATION AND MAINTENANCE MANUAL

FOR

RIKEN COMPACT INFRARED GAS MONITOR

MODEL ＲＩ－５５７

•Request for the Customers

•Read and understand this operating manual before using the detector.

•You must operate the detector in accordance with the operating manual.

•Regardless of warranty period, we shall not make any compensation for accidents and

damage caused by using this product.

The compensation shall be made only under the warranty policy of products or parts

replacement.

•Because this is a safety unit, a regular maintenance for every six months and daily

maintenance must be performed.

•If you find abnormalities in the detector, please notify them to our local representative

immediately.

[CAUTIONS ON OPERATION]

This is an infrared single gas monitor designed to measure one of the specified gas for

carbon monoxide, carbon dioxide or methan in air.

The gas monitor is a safety instrument, not an analyzer nor measuring instrument to

make quantitative and qualitative analysis or measurement.

Please understand following points and use this monitor correctly.

１． This gas monitor may respond to other gas and vapors than the target gas.

Be care to alarm action by interference.

It may fluctuate against the environmental(temperature, humidity, etc.) change

around the monitor.

Perform zero adjustment with regular interval(approx once a month).

2. Avoid to use this monitor at the place where the temperature is drastically(approx 10

～15℃) changed.

3. Alarm level shall be set within the performance of this monitor.

If set below our standard alarm level(20% of full scale), it may be caused to false

alarm.

4. This is not a control equipment, but a safety instrument.

Use the alarm contact from this monitor only for an external alarm light or buzzer.

And the analog output signal shall be used only for an external indicator or recorder.

We do not assume indemnification for any accident or damage caused by other

control purpose than the above.

5. Gas sampling from places where there are high humidity, dust or acid mist requires

sample pre-conditioner.

Please consult our nearest agent or Riken Keiki for such applications.

6. For maintenance, replacement parts listed in this manual and adjustments are

required.

We also recommend to perform regular maintenance including gas calibration in every

6 months as this is a safety instrument.

６．KIND OF ALARM AND ITS ACTION

６－１ Kind of alarm ……………………………………………………………… 30

６－２ Alarm action ……………………………………………………………… 30

６－３ Gas alarm (The unit with alarm setting)………………………………… 31

６－３－１ Responding to gas alarm……………………………………………… 31

６－３－２ Gas alarm possibility except the case of gas detection…………… 31

７．MAINTENANCE CHECK

７－１ Frequency of maintenance and check items …………………………… 32

７－１－１ Daily check …………………………………………………………… 32

７－１－２ Regular maintenance check ………………………………………… 32

７－１－３ Maintenance contract for regular check ………………………… 32

７－２ Replacing the parts ………………………………………………………… 33

７－３ Treatment when stopping operation or move its installation place … 34

７－３－１ Stopping the normal operation ……………………………………… 34

７－３－２ Changing the installation place ……………………………………… 34

７－４ Storage or treatment when not in use for a long period and treatment

for re-use…………………………………………………………………

７－５ Recommendable spare parts for regular maintenance ………………… 35

８．RESPONDING TO THE ABNORMAL CASE

８－１ Trouble alarm ……………………………………………………………… 36

８－２ Responding to the trouble ………………………………………………… 36

８－３ Before it is thought to be trouble………………………………………… 36

８－４ Troubleshooting……………………………………………………………… 37

９. DEFINITION OF TERMS……………………………………………………………… 39

１０.DETECTION PRINCIPLE …………………………………………………………… 40

１１．LIST OF PRODUCT SPECIFICATIONS

11－１ Standard specifications …………………………………………………… 41

11－２ Product compositions ……………………………………………………… 42

11－３ List of detection gas and range …………………………………………… 42

２－３．Caution items

○ Do not use a walky-talky around the instrument.

The indication might be affected by the electric wave generated by the walky-talky if it is

used near the instrument. When the walky-talky is used, be away enough from the

instrument not to affect.

○ Take at least 5 seconds interval when re-turning the power on.

Normal operation cannot be performed if the power is re-turned on within 5 seconds.

○ Confirm the float of the flowmonitor is within two red bars.

If the float is not within the red bars, the correct gas detection cannot be performed.

Adjust the flow rate.

○ Equip a dust filter to the instrument if it is used in a dusty place.

○ Do not use this monitor to control other equipment by use of output from this monitor.

This is not a control equipment.

Do not connect outer equipment for control purpose.

CAUTION

① ＬＣＤ display : Displaying gas concentration and various messages.

② Flowmonitor : To confirm the suction flow.

③ Dust filter : To remove the dust containing in the sampled gas.

④ Gas inlet : Sampled gas inlet to this monitor.

⑤ Fuse holder : 2A fuses are mounted.

⑥ Gas outlet : Sampled gas outlet from this monitor.

⑦ Power switch : ON/OFF switch for power supply

⑧ Terminal plate（3P）: Terminal strip for power source.

⑨ Terminal plate（8P）: Terminal strip for outputs/relay contacts.

⑩ Calibration gas inlet: Inlet for canned calibration gas(zero/span adjustments).

・Put the cap onto calibration gas inlet in case you do not

use calibration gas.

CAUTION

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