Related Manuals for RKI Instruments 35-3010RKA-01
Summary of Contents for RKI Instruments 35-3010RKA-01
- Page 1 35-3010RKA-01 Sample-Draw Detector Part Number: 71-0211RK Revision: G Released: 9/24/13 www.rkiinstruments.com...
- Page 2 Typical calibration frequencies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 35-3010RKA-01 Sample-Draw Detector...
- Page 3 Product Warranty RKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials, workmanship, and performance for a period of one year from date of shipment from RKI Instruments, Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of charge.
-
Page 4: Table Of Contents
Parts List ..............25 35-3010RKA-01 Sample-Draw Detector... -
Page 5: Overview
WARNING: When using the 35-3010RKA-01, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35-3010RKA-01 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 35-3010RKA-01 as described in this manual. -
Page 6: Description
Use the two conduit hubs on the bottom of the housing to make wiring connections. An aluminum subpanel is mounted to the interior of the housing. The sample-draw detector’s internal components are mounted to the subpanel. 2 • 35-3010RKA-01 Sample-Draw Detector... -
Page 7: Flow System
It prevents water and other liquids from contaminating the flow system. Replace the filter when it appears dirty, discolored, or clogged. If a liquid other than water is drawn into the filter, replace the filter as soon as possible. 35-3010RKA-01 Sample-Draw Detector • 3... - Page 8 S and CO channels. This causes a downscale reading at the monitor on these channels. The low flow level is factory-set at 0.6 SCFH (±0.2 SCFH). NOTE: There is no low flow indication for the LEL or oxygen channels. 4 • 35-3010RKA-01 Sample-Draw Detector...
-
Page 9: Detection System
The sensor leads are soldered to the male connector. Sensor Leads Two color-coded leads extend from the connector. The leads allow you to connect the oxygen sensor to the main circuit board. 35-3010RKA-01 Sample-Draw Detector • 5... - Page 10 A 100 mV - 500 mV output is available at these test points for use during calibration. Oxygen Transmitter The oxygen transmitter is mounted to the right of the LEL transmitter and above the main circuit board. The amplifier includes the amplifier type selector, two internally wired 6 • 35-3010RKA-01 Sample-Draw Detector...
- Page 11 Two cables mate to the main circuit board: the one on the left is for the CO sensor signal and the one of the right is for the H S sensor signal. 35-3010RKA-01 Sample-Draw Detector • 7...
- Page 12 NOTE: The sensors and transmitters are factory wired to the sensor/transmitter terminal strip. See “Wiring the Sample-Draw Detector” on page 11 for all wiring procedures related to the sample-draw detector. 8 • 35-3010RKA-01 Sample-Draw Detector...
- Page 13 When a low flow condition occurs, the pump will be shut off. To reset the low flow condition and start the pump again, press and hold the reset switch for about 2 seconds, then release. 35-3010RKA-01 Sample-Draw Detector • 9...
-
Page 14: Installation
Slightly loosen the screw that secures one of the mounting feet to the housing, then rotate the mounting foot 180 degrees (see Figure 3). Tighten the screw that secures the mounting foot to the housing. 10 • 35-3010RKA-01 Sample-Draw Detector... -
Page 15: Connecting The Sample Lines To The Sample-Draw Detector
Route the cable or wires in conduit leading from the sample-draw detector to the monitoring device and power. Connect the drain wire to an available chassis ground at the device end. RKI controllers typically have a ground stud that can be used to ground the cable’s drain wire. 35-3010RKA-01 Sample-Draw Detector • 11... - Page 16 24 VDC (Controller Transmitter (Controller Transmitter 24 VDC Terminals) Terminals) 4-20 (Feedback) 24 VDC + 4/20 Feedback (Controller Transmitter (Controller Transmitter S (4/20 mA) 24 VDC + Terminals) Terminals) Figure 6: External (Field) Wiring, Sample-Draw Detector 12 • 35-3010RKA-01 Sample-Draw Detector...
- Page 17 Green White Pump Pressure Switch Factory Factory Wired Wired LEL Sensor Connector Detector Oxygen Sensor CO and H2S Sensors Plug Into Far Side of Pream p Circuit Board Figure 9: Internal (Factory) Wiring, Sample-Draw Detector 35-3010RKA-01 Sample-Draw Detector • 13...
-
Page 18: Start Up
Plug the positive lead into the test point labeled CAL+1; plug the negative lead into the test point labeled CAL-1. • For the H S channel, plug the voltmeter into the test points in the AMP 2 section 14 • 35-3010RKA-01 Sample-Draw Detector... -
Page 19: Operation
If necessary use the bypass valve or flow adjust potentiometer to adjust the flow rate to 1.2 SCFH. Verify a reading of 0%LEL for the combustible channel (100 mV at the LEL transmitter test points), 20.9% for the oxygen channel (434 mV at the oxygen transmitter test 35-3010RKA-01 Sample-Draw Detector • 15... -
Page 20: Troubleshooting
Fail Condition Symptoms • The sample-draw detector’s Fail light is on. • The controller is operating properly but indicates a reading well below zero on one or 16 • 35-3010RKA-01 Sample-Draw Detector... - Page 21 If the fail condition continues, replace the sensor from the problem channel or channels as described later in this section. If the fail condition continues, contact RKI Instruments, Inc. for further instruction. Slow or No Response/Difficult or Unable to Calibrate Symptoms •...
-
Page 22: Replacing Components Of The Sample-Draw Detector
Make sure the gaskets stay in place. Pull the CO sensor off the preamp circuit board. It is located in the amp 1 position (left side) of the preamp circuit board. Plug the new sensor into the preamp board. 18 • 35-3010RKA-01 Sample-Draw Detector... -
Page 23: Adjusting The Low Flow Setting
Use the flow adjust potentiometer (VR1) to set the flow to 0.6 SCFH. If the sample-draw detector goes into low flow alarm before you can adjust the flow down to 0.6 SCFH, adjust the low flow potentiometer 1/4 turn clockwise, then 35-3010RKA-01 Sample-Draw Detector • 19... -
Page 24: Calibration Frequency
Set a voltmeter to measure in the millivolt (mV) range. Plug the voltmeter into the test points on the LEL transmitter. Plug the positive lead into the test point labeled TP+; plug the negative lead into the test point labeled TP-. 20 • 35-3010RKA-01 Sample-Draw Detector... -
Page 25: Setting The Zero Reading
Remove the voltmeter leads from the test points. Reconnect the incoming sample line. Wait 1 to 2 minutes to allow the calibration gas to be drawn out and the reading to stabilize. Close the housing door. 35-3010RKA-01 Sample-Draw Detector • 21... -
Page 26: Calibration, Oxygen Detector
(±2 mV) you determined earlier (292 mV for 12% oxygen). If necessary, use the span pot on the transmitter to adjust the reading to match the correct response reading. Disconnect the sample tubing from the inlet line. 22 • 35-3010RKA-01 Sample-Draw Detector... -
Page 27: Setting The Zero Reading
NOTE: This procedure describes calibration using a demand flow regulator, a zero air calibration cylinder, and a 4-gas calibration cylinder. Preparing for Calibration CAUTION: This procedure may cause alarms at the controller. Take appropriate action to avoid this, such as entering the calibration mode at the controller. 35-3010RKA-01 Sample-Draw Detector • 23... -
Page 28: Setting The Zero Reading
Check the mV output on the AMP 2 test points for H S and verify that the reading matches the response reading (±2 mV) you determined earlier. If necessary, use the AMP 2 span pot to adjust the reading to match the correct 24 • 35-3010RKA-01 Sample-Draw Detector... -
Page 29: Returning To Normal Operation
4-gas calibration gas cylinder, 50% LEL methane/12% oxygen/25 ppm H S/50 ppm CO, 34 liter 81-1055RK Regulator, demand flow, for 17 and 34 liter steel cylinders ES-1531-CO CO sensor ES-1537-H2S S sensor NC-6245 Combustible sensor 35-3010RKA-01 Sample-Draw Detector • 25...
Need help?
Do you have a question about the 35-3010RKA-01 and is the answer not in the manual?
Questions and answers