Model GD-K8A4X Supplement to the GD-K8A Operator’s Manual Part Number: 71-0091RK Revision: A Released: 5/17/11 www.rkiinstruments.
WARNING Read and understand this instruction manual before operating instrument. Improper use of the gas monitor could result in bodily harm or death. Periodic calibration and maintenance of the gas monitor is essential for proper operation and correct readings. Please calibrate and maintain this instrument 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 GD-K8A4X compared to the GD-K8A. It also describes how to install, startup, maintain, and calibrate the GD-K8A4X. Specifications Table 1 lists specifications for the GD-K8A4X. Table 1: Specifications Target Gas & Detector Range Refer to the RKI Instruments Inc.
Description This section describes the components of the GD-K8A4X. It consists of the enclosure, the sensor and amplifier from a GD-K8A, and a wiring terminal strip.
Installation This section describes how to install the GD-K8A4X at the monitoring site. Mounting the GD-K8A4X 7.2 4.00 .30 X .50 SLOTS 4X 1.7 SENSOR OPENING 6.94 6.5 DOOR LATCHES 4.18 3/4 CONDUIT HUB 5.6 4.4 1.65 Figure 2: Outline & Mounting Dimensions/Component Location 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.
Wiring the GD-K8A4X to a Controller WARNING: Always verify that power to the GD-K8A4X and to the controller are off and that the controller’s power switch is in the off position before making wiring connections or adjustments. 1. Turn off power to the controller. 2. Place the controller’s power switch in the OFF position. 3. Use the conduit hub at the bottom of the GD-K8A4X for routing shielded cable into the enclosure. See Figure 1 for the wiring connections. 4.
