Summary of Contents for Helmer Scientific RA1
- Page 1 Remote Alarm Monitoring System Operation and Service Manual RA1 and RA4 360112-1/E...
- Page 2 The document is furnished for information use only, is subject to change without notice and should not be construed s a commitment by Helmer Scientific. Helmer Scientific assumes no responsibility or liability for any errors or inaccuracies that may appear in the informational content contained in this material.
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Page 3: Table Of Contents
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Contents About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Intended Audience . -
Page 4: About This Manual
Generic references are used throughout this manual to group models that contain similar features. For example, “RA models” refers to all models of that configuration (RA1, RA4). This manual covers all remote alarms, which may be identified singly, by their size, or by their model designation (RA). -
Page 5: Product Labels
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 1 .6 Product Labels Note Service information varies depending on the model. This information appears on the product specification label, located on the bottom of the monitoring system. The model also appears on a label located inside the remote alarm monitoring system. -
Page 6: Setup And Installation
The power supply and several adapters are provided for use with a variety of power outlets. The North American adapter is installed at the factory. The power supply and adapters are included with the remote alarm monitoring system. Monitoring system with power supply and adapters (RA1 model shown with North American adapter installed). Change the Power Supply Adapter: 1. -
Page 7: Connect Backup Battery
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 2 .4 Connect Backup Battery A backup battery provides power to the remote alarm monitoring system if AC power fails. The remote alarm monitoring system is shipped from the factory with the backup battery. -
Page 8: Configuration
Configuration Each zone on the remote alarm monitoring system is designed to connect to and monitor one device. Each zone will support one device. ♦ RA1: One zone (one monitored device) ♦ RA4: Four zones (four monitored devices) Notes • Multiple devices to a single zone if all devices are identically configured (all normally-open or normally-closed). -
Page 9: Set Internal Jumpers For Zones
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 3 .3 Set Internal Jumpers for Zones Each zone has a corresponding internal jumper that is used to configure it as a normally-open or normally-closed circuit. The internal jumpers are located on the circuit board inside the monitoring system. - Page 10 Default Connection Settings ♦ The default factory settings for the RA1 zone and RA4 zones is normally-closed. ♦ An external jumper connects the two terminals for each zone. ♦ The connections depend on whether the zone will be normally-open or normally-closed, and whether one or more devices is connected to the zone.
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Page 11: Operation
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Operation Front features (RA4 model shown). Top features (RA4 model shown). Label Description Function Mute button Mutes audible alarms for 30 minutes Alarm buzzer Audibly indicates an active alarm Low battery indicator... -
Page 12: Alarms
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Alarms The remote alarm monitoring system provides both visual and audible indicators to signify an alarm state. 5 .1 Visual Alarm Indicators Description Function Low battery indicator Battery charge is low. Replace the battery. -
Page 13: Maintenance
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Maintenance Maintenance tasks should be completed according to the following schedule. Note These are minimum requirements. Regulations for your organization or physical conditions at your organization may require maintenance items to be performed more frequently. Follow the guidelines for your organization. -
Page 14: Check The Remote Alarm Monitoring System Battery
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 6 .2 Check the Remote Alarm Monitoring System Battery The monitoring system does not indicate the charge level of the battery. Regularly test the battery. Replace battery if the test fails or if the battery has been in use for one year. -
Page 15: Service
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Service 7 .1 Remove and Install the Cover NOTICE Before removing the cover, disconnect the power to the remote alarm monitoring system to eliminate the potential of electric shock. Note After removing the cover, internal wiring will connect the cover to the base. -
Page 16: Troubleshooting
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Troubleshooting NOTICE Review all safety instructions prior to troubleshooting. Problem Possible Cause Action No Zone Secure or Zone Alarm No power (AC or battery backup) to Verify the power cord is connected. Secure the connections if necessary. -
Page 17: Parts
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Parts 9 .1 External Parts Label Description Part Number Zone input and output terminal strip 120506 Remote alarm interface terminal strip 120404 Zone identification label 715111 (sheet of 36) Power supply... -
Page 18: Internal Parts
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 9 .2 Internal Parts NOTICE Before removing the cover, disconnect the power to the remote alarm monitoring system to eliminate the potential of electric shock. Circuit board and nuts (circled). -
Page 19: Schematics
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Schematics 10 .1 RA4 MAIN POWER 100 V ac to 240 V ac (A) ZONE INPUT (B) REMOTE 50/60 Hz AND OUTPUT ALARM INTERFACE POWER TERMINAL STRIP TERMINAL STRIP ADAPTER... -
Page 20: Specifications
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 11 Specifications 11 .1 Operating Standards These units are designed to operate under the following conditions: ♦ Indoor use only ♦ Ambient temperature range: 5 ºC to 40 ºC (41 ºF to 104 ºF) ♦... -
Page 21: Regulatory Compliance
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Regulatory Compliance 12 .1 Safety Compliance This device complies with the requirements of directive 2014/30/EU Electromagnetic Compatibility, and 2014/35/EU Low Voltage Directive. 12 .2 Environmental Compliance This device falls under the scope of Directive 2012/19/EU Waste Electrical and Electronic Equipment (WEEE) . -
Page 22: Appendix A: Warranty
Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System Appendix A: Warranty For technical service needs, please contact Helmer at 800-743-5637 or www.helmerinc.com. Have the model and serial number available when calling. Rapid Resolution When a warranty issue arises it is our desire to respond quickly and appropriately. The service department at Helmer is there for you. - Page 23 Operation and Service Manual Helmer Scientific Remote Alarm Monitoring System 360112-1/E...
- Page 24 Helmer Scientific 14400 Bergen Boulevard, Noblesville, IN 46060 USA 360112-1/E Copyright © 2020 Helmer, Inc.
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