Model GD-K71D4X Supplement to the GD-K71D Operator’s Manual Part Number: 71-0187RK Revision: 0 Released: 3/1/11 www.rkiinstruments.
WARNING Read and understand this instruction manual before operating detector. Improper use of the detector could result in bodily harm or death. Periodic calibration and maintenance of the detector is essential for proper operation and correct readings. Please calibrate and maintain this detector regularly! Frequency of calibration depends upon the type of use you have and the sensor types.
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 the 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. Parts must be returned to RKI Instruments, Inc. for repair or replacement.
Overview This supplement describes the differences and additional features of the Model GDK71D4X compared to the GD-K71D. It also describes how to install, startup, maintain, and calibrate the GD-K71D4X. Specifications Table 1 lists specifications for the GD-K71D4X. Table 1: Specifications Target Gas & Detector Range Refer to the RKI Instruments Inc.
Description This section describes the components of the GD-K71D4X. It consists of the enclosure and a GD-K71D mounted inside. A hydrophobic sample filter is also provided with the GD-K71D4X for installation near the inlet fitting. The filter scrubs particulates out of the sample stream and keeps water and many other liquids from entering the GD-K71D4X flow system. Enclosure The enclosure is a type NEMA 4X plastic enclosure designed for use in areas that are subject to rain or hosing down.
Installation This section describes how to install the GD-K71D4X at the monitoring site. Mounting the GD-K71D4X 1. Select a mounting site that is representative of the monitoring environment. Consider the following when you select the mounting site. • Select a site that is easily accessible for servicing. • Select a site where the GD-K71D4X is not likely to be bumped or disturbed. Make sure there is sufficient room to make wiring and sample line connections at the bottom of the GD-K71D4X.
3. Connect another length of sample tubing to the other side of the sample filter and route it to the sampling area. Be sure to keep the length to a minimum. Consult RKI Instruments, Inc. for lengths of more than 20 feet. CAUTION: Avoid loops or slumps in the incoming sample line. To reduce response time, keep the incoming sample line as short as possible. 4. Attach 1/4” O.D. x 1/8” I.D. Teflon PTFE sample tubing to the gas out fitting.
CAUTION: Leave the cable shield’s drain wire insulated and disconnected at the GD-K71D4X. You will connect the opposite end of the cable shield’s drain wire at the controller. CAUTION: At the controller, do not route power and GD-K71D4X wiring through the same conduit hub. The power cable may disrupt the transmission of the GD-K71D’s signal to the controller. Start Up See the GD-K71D Operator’s Manual for GD-K71D startup instructions.