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Flex-Tone Series Explosionproof Remote Speaker/Amplifier ETH645 & ETH845 Series IF 1495 Installation & Maintenance Information SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE Figure 1. Dimensions Description and Oper ation Operation Installation The Flex-Tone Panel Hazardous Location Use Speaker/Amplifiers are intended for industrial applications where hazardous locations require highly audible signals and microcomputer reliability. The ETH645 & ETH845 Series Speaker/Amplifiers are heavyduty signaling appliances intended primarily for industrial signaling applications. Each unit operates from local power and sounds either a tone determined by the programming at the Central Tone Generator or from another audio source. Speaker direction and output level are easily adjustable. The ETH645 & ETH845 Speaker/Amplifiers are UL listed for use in Class I, Groups B, C, and D atmospheres. Installation is to be completed in accordance with the latest edition of either the National Electrical Code or the Canadian Electrical Code, as applicable, and in accordance with the authorities having jurisdiction. 1. Mount Flex-Tone Speaker/Amplifier to any solid surface using its mounting bracket and (3) bolts (not supplied) (Figure 2). W ARNING Keep mating surfaces of housing clean and undamaged to maintain the integrity of the Hazardous Location construction. 2. Open Speaker/Amplifier by removing the (8) nuts and bolts and lifting off housing cover. Mechanical Specifications Speaker/Amplifier, ETH645 & ETH845 Series Weight ............................................... 18.4 Pounds (8.4 kg) Variable Ambient Temp. ............. 32F to 104F (0C to 40C) Dimensions ............................................................ Figure 1 W ARNINGS Electrical Specifications INPUT POWER Catalog Number ETH645/24 ETH645/120 ETH645/240 ETH845/24 ETH845/125 ETH845/250 IF 1495 • 8/05 Voltage 24V AC 50/60 Hz 120V AC 50/60 Hz 240V AC 50/60 Hz 24V DC 125V DC 250V DC CA UTION AUTION During installation, care must be taken not to damage the components on the printed circuit board. Typical Current (A) Standby Tone On 0.250 0.95 0.088 0.26 0.091 0.19 0.061 0.25 0.031 0.130 0.091 0.070 Do not apply power to the unit until installation is completed and housing cover and outlet box cover are secured. To prevent fire and shock, do not connect power to TS1 terminals. 3. Wire Speaker/Amplifier as follows a. Speaker/Amplifier Wiring (Figure 3). Check the label for the correct operating voltage. Bring the power and tone output circuit wires to the Speaker/ Amplifier through a 1/2" (13 mm) conduit attached to a conduit outlet box and nipple. The conduit Copyright © Cooper Industries, Inc. Page 1 Amplifier and pivoting speaker to desired position (Figure 4). Tighten the two (2) nuts. outlet box, conduit and nipple must be suitable for the hazardous location application with 1/2" (13 mm)-14 NPT threading at the conduit openings. The conduit outlet box is not supplied. 6. If loosened, secure the cover of the Speaker/Amplifier ensuring mating surfaces are clean and undamaged. Align the straight edge of the cover with the straight edge of the housing. Torque the housing nuts on the Speaker/Amplifiers evenly and in opposing pairs to 140 to 150 in-lb. Remove the cover from the conduit outlet box. Feed the Speaker/Amplifier's four numbered wires and the green ground wire through a 1/2" (13 mm)-14 NPT nipple (not supplied) and then into the conduit outlet box. Secure the outlet box to the Speaker/ Amplifier. 7. Verify operability of each unit. Connect green ground wire to earth ground (Figure 3). Maintenance and Test Connect the external wires to the Speaker/Amplifier wires using five wire nuts (not supplied) (Figure 3). Polarity must be observed when connecting both the tone signal and input power wires. Examine the speaker/amplifiers semi-annually for external accumulation of dirt. Clean if necessaary. WARNING 4. The sound level is factory set to maximum. Adjust volume, if desired, by turning potentiometer R72 (Figure 2). Ensure that power is off prior to opening the unit. Both the speaker/amplifier and central tone generator units should be tested annually to ensure continuous service. 5. Adjust Speaker/Amplifier direction by loosening two (2) nuts securing the mounting bracket to the Speaker/ 5" (127 mm) (3) MOUNTING HOLES 2-1/2" (63 mm) (2) NUTS, LOOSEN TO ADJUST SPEAKER DIRECTION SPKR (+) SPKR (-) R72, TURN TO ADJUST SOUND LEVEL (8) NUTS (8) BOLTS INCREASE HOUSING COVER DECREASE NOTE: FOR CLARITY, ONLY SELECTED COMPONENTS ARE SHOWN. Figure 2. Speaker/Amplifier Mounting and Printed Circuit Board IF 1495 • 8/05 Copyright © Cooper Industries, Inc. Page 2 AUDIO OUTPUT ETH640 & ETH840 SERIES PANEL CONTROL SIGNAL GENERATOR 5540M SERIES CENTRAL TONE GENERATOR IN1 IN2 IN3 IN4 N +VS GND INPUT BOARD NOTE: NOTE:REFER REFERTO TOINSTRUCTIONS INSTRUCTIONS PROVIDED WITH 5540M TONE GENERATOR GENERATOR PROVIDED WITH ETHCENTRAL SIGNAL TONE FOR CONNECTING TO THE FOR CONNECTING TO THEINPUT INPUTBOARD BOARD SPEAKER/AMPIFIER SPEAKER/AMPLIFIER ETH645 & ETH 845 5545M ETH840/24E74 AND -AQ MODELS:MODELS: 24V DC OR ETH640/24E13 24V HZ50/60 HZ 24V DCAC OR50/60 24V AC 1/2" (12.7 MM) -Y6 MODELS: 120ALL OTHER MODELS: CONDUIT* 240V AC 50/60 HZ HZ 120-240V AC 50/60 (NOT SUPPLIED) OR 125-250V DCDC OR 125-250V ATTACH TO OUTLET BOX CONDUIT OUTLET BOX* (NOT SUPPLIED) CONDUIT OUTLET BOX* (NOT SUPPLIED)ATTACH TO ADAPTATONE ATTACH TO FLEX-TONE TO EARTH GROUND TO ADDITIONAL SPEAKER/AMPLIFIERS MAX: 2,500 PER INSTALLATION 1/2" (12.7 MM) 14 NPT NIPPLE* (NOT SUPPLIED) GREEN WIRE FOR EARTH GROUND (5) WIRE NUTS (NOT SUPPLIED) *The conduit outlet box, conduit, and nipple must be suitable for the hazardous location application. Figure 3. Wiring Diagram (Shown connected to ETH640 & ETH840 Series Panel Control Signal Generator) HORN PIVOTS 180° (2) NUTS, LOOSEN TO ADJUST SPEAKER DIRECTION Figure 4. Speaker Adjustment IF 1495 • 8/05 Copyright © Cooper Industries, Inc. Page 3 All statements, technical information and recommendations contained herein are based on information and tests we believe to be reliable. The accuracy or completeness thereof are not guaranteed. In accordance with Crouse-Hinds “Terms and Conditions of Sale”, and since conditions of use are outside our control, the purchaser should determine the suitability of the product for his intended use and assumes all risk and liability whatsoever in connection therewith. Cooper Industries Inc. Crouse-Hinds Division PO Box 4999, Syracuse, New York 13221 • U.S.A. Copyright© 2005, Cooper Industries, Inc. P/N 3100882 IF 1495 Revision 1 New 8/05 P/N 3100882 OFFSET SPEC INSTALLATION INSTRUCTIONS FOR ADAPTATONE FLEX-TONE SPEAKER/AMPLIFIERS (1) 11" X 17" SHEET PRINTED BOTH SIDES. FOLD THREE TIMES TO DIMENSIONS SHOWN WITH PART NUMBER ON THE OUTSIDE. MATERIAL: STANDARD WHITE OFFSET STOCK CHARACTERS: TO BE BLACK ON WHITE BACKGROUND NOTE: MECHANICALS HAVE ALREADY BEEN REDUCED TO ACTUAL SIZE. ECN: 05-C1764 FILE: 3100882 ISSUE: 1 APPROVED: AA P/N 3100882