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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Bacharach HGM User Manual | 26 pages

The second is a PPM reading normalized to standard temperature and pressure. Once the HGM completes a measurement cycle in the affected zone the alarm condition will be indicated.

There are two figures given. This parameter can be changed hgm300 Zone Setup Screen 1 Page Page 66 Page Don’t have an account?

RDM – Screen Displays When first powered up a splash screen appears indicating the serial number and firmware revision number. The exhaust line should run to an out side location if possible. The standard configuration of the unit includes one manifold of 4 intake connectors and 1 purge connector.

The default value is feet. In order to place the HGM into hold mode use the following sequence: This is the correct setting if the HGM is connected as a single device, or it is the last device on the network chain. By pressing ‘print’ button you will print only current page. Check for a blockage in the air sample line or at the line end filter.


The boxes on the left side of the screen indicate the status of each HGM monitor including the name, the current zone, and whether fault or alarm conditions are present on the network.

Bacharach HGM300 User Manual

It offers a wide variety of displays and can fully program any associated monitor. The data is split into 2 registers. The fresh air purge line should draw from an area that does not contain any refrigerant gas and cannot exceed feet in length.

The default is 60 minutes. Page 2 Product improvements and enhancements are continuous; therefore the specifications and information contained in this document may change without notice.

Please read this manual carefully before use. This can take some several minutes since it is dependent upon how many zones there are and their lengths. Clearing System Faults If the fault condition is associated with an HGM, the monitor will return to normal operation soon after the problem is corrected.

Basic hgm300/rdm800 monitor system connection – Bacharach HGM300 User Manual

These alarms are useful for alerting the user to global conditions anywhere on the network. Bachharach This is the name you assign to the HGM to identify its location. 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.

The prominent features of the display module are discussed below. An exhaust line is installed to vent residual gas away from the monitor. Each relay can be programmed to respond to alarm, fault, or ready conditions refer to Setting Relay Parameters on Page RDM Mounting Specs Installation Hold the display module flat against the mounting surface and allow it to slide down engaging the screw Use any of the remaining service knockouts to gain access to the interior of the RDM To calculate the current output, multiply the scale factor by the PPM and add 4.


Once the blockage has been cleared, the HGM will return to normal operation after the zone has been sampled. General Bbacharach The RDM operates by polling the network approximately once every 12 seconds to determine the current status of the HGM monitors.

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

Page of 94 Go. Zone Hold Mode A zone can be placed on hold and continuously monitored for a length of time determined by the Zone Hold Time value Page The log interval is the number of minutes from 1 to between each log point.

Appendix Appendix Instruction Don’t show me this message again. To print the manual completely, please, download it.