Download Print this page
Riken Keiki RI-557 Operation And Maintenance Manual

Riken Keiki RI-557 Operation And Maintenance Manual

Compact infrared gas monitor

Advertisement

Quick Links

OPERATION AND MAINTENANCE MANUAL
RIKEN COMPACT INFRARED GAS MONITOR
• 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.
FOR
MODEL RI-557
PT3E-0391

Advertisement

loading
Need help?

Need help?

Do you have a question about the RI-557 and is the answer not in the manual?

Questions and answers

Summary of Contents for Riken Keiki RI-557

  • Page 1 PT3E-0391 OPERATION AND MAINTENANCE MANUAL 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. •...
  • Page 2 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.
  • Page 4 6 KIND OF ALARM AND ITS ACTION . 6-1 Kind of alarm ……………………………………………………………… 6-2 Alarm action ……………………………………………………………… 6-3 Gas alarm (The unit with alarm setting) ………………………………… 6-3-1 Responding to gas alarm ……………………………………………… 6-3-2 Gas alarm possibility except the case of gas detection ……………...
  • Page 7 2-3.Caution items CAUTION ○ 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.
  • Page 9 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...
  • Page 13 Do not install it where the target gas is deposited around. Do not install at the place where the sample gas is deposited. Correct measurement will not be performed. For instance, following consideration is required for CO2 measurement. Since CO2 gas coutains approx 300~800ppm in atmosphere, zero adjustment shall be done by Nitrogen(N2) instead of atmospheric air.
  • Page 15 (2)Designing to consider radiation When install the closed self-standing control panel, mount the fans in the upper and lower part. (3)Lightning measures There is the problem “Lightning”. When make outdoor wiring of cable at factory or plants etc or when make a parallel wiring in the same duct with the cable in from outdoor even at the indoor wiring.
  • Page 16 (Diode etc for DC) suited for relay coil directly to relay. * NOTE ・Add CR circuit to the load side of relay on the request. ・It may be better to add CR circuit to the contact side depending on the load. SK:Surge absorption filter RI-557 Terminal ◎ RI-557 Alarm contact ◎...
  • Page 17 4-5.Grounding Be sure to make grounding before putting on the power. WARNING Use the power cord(3P) or earth terminal at the rear side of this monitor when make grounding. Be sure to make grounding for safety purpose and to keep stable operation of this monitor.
  • Page 18 4-7.Applicable cable 4-7-1.Power cable Use the power cable supplied with the unit. 4-7-2.Output signal(4~20mA) Use the CVVS shielded cable or equivalent. 4-7-3.Cable for alarm contact Use the VCTF 0.75mm cable or equivalent. 4-7-4.Specifications of terminal plate 【Specifications of terminal plate】 ・...
  • Page 19 4-9.Caution in piping works WARNING ・This unit is designed to sample the ambient gas in an atmospheric pressure. If the excessive pressure is added to gas inlet port and outlet port, it is dangerous that inner tubing will be disconnected and gas will be leaked. Use this unit not to adding excessive pressure.
  • Page 23 *NOTE ・In order to explain the indication of LED lights, we use following notation and abbreviation. Working conditions of LCD and LED will be different from the status of the unit. LED light notation LED light abbreviation ○:Light OFF ●:Lighting ◎:Blinking PW : POWER AL1: WARNING AL2 : ALARM...
  • Page 27 * NOTE When you use this unit first time or you have not used this unit for rather long term, zero point might be shifted. In such case, The unit automatically goes to fundamental adjustment mode from zero adjustment mode. See below instruction. ・Keep on applying zero gas and wait until the reading gets VPP:...
  • Page 33 6-3-2. Gas alarm possibility except the case of gas detection It may respond to interference gas For interference gases, contact the nearest agent or Riken Keiki. It may be caused by drifting due to the change of long time elapsed sensor Check the reading by daily check and make calibration (zero and span) whenever necessary.
  • Page 36 7-3.Treatment when stopping operation or move its installation place 7-3-1.Stopping the normal operation See 【5-7 How to finish operation】 7-3-2.Changing the installation place When changing the installation place, refer to 【4-2 Installation place】 in advance. Also refer to 【4-6 Caution in wiring】 and 【4-9 Caution in piping works】. CAUTION ・...
  • Page 37 7-5.Recommendable spare parts for regular maintenance Check Replacement Description Q’ty/unit interval interval Pump (Excluding diaphragm) 6 months 1~3 years 1 pce Pump diaphragm 6 months 1~2 years 1 pce Pump holder 1 year 3~6 years 1 pce Detector (Sensor ass’y) 6 months 2~3 years 1 pce...
  • Page 39 8-4.Troubleshooting (1) POWER light does not turn ON ・ Is power switch at ON position ? → Put power switch to (|) (ON) position. ・ Is supply voltage correct ? → Check the supply voltage and supply the rated voltage. ・...
  • Page 40 (5) The unit has a indefinite action ・ Is there outside noise or not ? → Turn off the power and turn on the power again for re-start of operation. When such takes place oftentimes, reduce the outside noise by referring 【4-4 Caution in system engineering】.
  • Page 44 11-2.Product compositions Standard compositions ・ The main unit(RI-557) ……………………… 1 unit ・ Standard accessories Power cable …………………… 1 pce Operating instruction manual …… 1 vol. Inspection certificate …………… 1 sheet Rubber tubing (1m) ……………… 1 pce ・ Optional accessories Dust filter...