Part of the BACHARACH family of products. HGM / RDM Refrigerant Gas. Monitoring System. Refrigerant Gas Detection,. Identification & Monitoring. Refrigerant monitoring system • Read online or download PDF • Bacharach HGM User Manual. View and Download Bacharach HGM installation, operation & maintenance instructions manual online. Refrigerant Gas Monitoring System. HGM

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The Bacyarach should be centrally located in the mechanical room and be readily accessible for easy visual monitoring and servicing. Page 84 It is strongly recommended that any New Gas curves that are added be done in conjunction with help from Bacharach, Inc. To place a zone on hold, press and hold down the key adjacent to that zone until you hear a beep.

Once the blockage has been cleared, the HGM will return to normal operation after the zone has been sampled. The monitor should be installed out of direct sunlight in a clean, dry area that is not subject to temperature or humidity extremes. To print the manual completely, please, download it. Page 66 Page Locate the Dual 4—20 mAdc Output connector Page 7 and remove it from the circuit board. DO NOT use soap and water.

For example, at the default scale factor of 0. An exhaust line is installed to vent residual gas away from the monitor. Page 67 Programming New Gasses As new refrigerants come into use the HGM allows the addition of these new gases to its on-board refrigerant gas library.

Yokogawa HGM300 Halogen Gas Monitor Hgm-300 Bacharach 120 VAC

Comments to this Manuals Your Name. Page 2 Product improvements and enhancements are continuous; therefore the specifications and information contained in this document may change without notice. The display module should be installed out of direct sunlight in a clean area that is not subject to temperature or humidity extremes. Distance This is the tubing length in feet from the HGM to the termination of the air intake line.


Alarm Detail Screen The Alarm Detail Bachafach displays more comprehensive information about the nature of the alarm including: Please refer to the Appendix for a logic diagram of all the screen displays.

Bacharach HGM Halogen Gas Monitor | LEL International

Additionally, a purge line is installed to provide clean air for resetting the infrared zero baseline. The data is split into 2 registers. It bacharacch have up to 12 alphanumeric characters. The log interval is the number of minutes from 1 to between each log point.

Basic hgm/rdm monitor system connection | Bacharach HGM User Manual | Page 6 / 26

Use any of the remaining service knockouts to gain access to the interior of the RDM Location This is the name you assign to the HGM to identify its location. PPM — Parts Per Million is the volume concentration referenced to standard temperature and pressure and is computed from lines 5, 8 and Each relay can be programmed to respond to alarm, fault, or ready conditions refer to Setting Relay Parameters on Page Page 91 United States.

If more than one HGM is connected to the network, it will sequentially poll each monitor for its status. This value may range from 0 to feet. Table of Contents Add to my manuals Add. If you are unfamiliar with complex systems of this type, it is recommended that you contact Bacharach for technical assistance.

All pending alarms across the entire network must be acknowledged before the RDM returns to normal operation. The zone number is the low order byte in the register address i. Page of 94 Go. Installation of the monitor in a mechanical room is acceptable provided reasonable environmental conditions exist.

Clearing System Faults If the fault condition hggm300 associated with an HGM, the monitor will return to normal operation soon after the problem is bacharwch. The default is 60 minutes. It offers a wide variety of displays and can fully program any associated monitor. Bbacharach refer to the Appendix for a more complete discussion of communication protocols.


Please read this manual carefully before use. This is the correct setting if the HGM is connected as a single device, or it is the last device on the network chain. Rdm – Screen Displays RDM – Screen Displays When first powered up a splash screen appears indicating the serial number and firmware revision number.

Working With Alarms Once the HGM completes a measurement cycle in the affected zone the alarm condition will be indicated.

Locate service knockouts on exterior of enclosure and install electrical conduit in the typical manner. Zone Hold Mode A zone can be placed on hold and continuously hhm300 for a length of vacharach determined by the Zone Hold Time value Page Air sample tubing may be run in lengths up to feet. Product improvements and enhancements bafharach continuous; therefore the specifications and information contained in this document may change without notice.

The RDM operates by polling the network approximately once every 12 seconds to determine the current status of the HGM monitors. Page 87 Fault Log Register Register 0x, 0xh bytes These registers contain the 20 most recent fault events, the time they occurred, and a pointer to the most recent event.

Bacharach hgm to johnson metasys n2 communications adapter electrically isolated n2 port version 10 pages. This can take some several minutes since it is dependent upon how many zones there are and their lengths.