Rki-instruments 35-3000RKA-10 User Manual download pdf (Page 11)

35-3000RK-10 PPM Hexane Sample Draw Detector • 11

NOTE: The sample draw detector is shipped with the mounting feet “tucked under” the

housing to protect the mounting feet during shipment.

3. Slightly loosen the screw that secures one of the mounting feet to the housing, then

rotate the mounting foot 180 degrees (see Figure 3).

4. Tighten the screw that secures the mounting foot to the housing.

5. Repeat steps 3 and 4 for the remaining three mounting feet.

6. Position the sample draw housing on a vertical surface at eye level (4 1/2 to 5 feet

from the floor).

7. Insert 1/4 in. or 5/16 screws through the slots in the mounting feet to secure the

housing to the mounting surface.

Connecting the Sample Lines to the Sample Draw Detector

It is important to use the appropriate tubing material for the 0 - 500 ppm hexane sample

draw detector. To avoid the possibility of losing sample in the inlet tubing, use either

stainless steel, rigid polypropylene, or flexible polyurethane tubing.

1. Attach 1/4 inch O.D. stainless steel, polypropylene, or polyurethane sample tubing to

the inlet fitting.

CAUTION: If you use flexible sample tubing (polyurethane for example), use an appropriate

metal insert to seal the connection between the tubing and the INLET fitting. See

“Parts List” on page 26 for an example of an appropriate metal insert.

2. Place the opposite end of the tubing in the sampling area.

CAUTION: Avoid loops or slumps in the incoming sample line. To reduce response time, keep the

incoming sample line as short as possible.

3. Attach rigid sample tubing or flexible tubing with an appropriate insert to the exhaust

fitting.

4. Route the opposite end of the tubing to an open area where the sample can safely

disperse.

Wiring the Sample Draw Detector

WARNING: Always verify that all power is off before making any wiring connections

1. Turn off the controller.

2. Turn off power to the controller.

3. Unlatch and open the housing door of the sample draw detector.

4. Guide a three-conductor, shielded cable or three wires in conduit through one of the

conduit hubs at the bottom of the sample draw detector housing.

5. Connect the cable or wires in conduit to the sample draw detector’s interconnect

terminal strip as shown in Figure 4.

6. Close and latch the housing door of the sample-draw detector.

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Rki-instruments 35-3000RKA-10 User Manual Page 11