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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Comments to this Manuals Your Name. Page 84 It is strongly recommended that any New Bacharahc curves that are added be done in conjunction with help from Bacharach, Inc.
This document will assume that the reader is familiar with the various parameters used to setup the HGM, as well as the different operational modes that the HGM may be placed in.
Bacharach HGM User Manual | 26 pages
Product improvements and enhancements are continuous; therefore the specifications and information contained in this document may change without notice. In order to place the HGM into service mode use the following sequence: The boxes on the left side bavharach 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.
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. Safety Precautions Ensure the source voltage matches the voltage of the product bavharach energizing the equipment.
This is the correct setting if the HGM is connected as a single device, or bacharacu is the last device on the network chain. Page 91 United States. PPM — Parts Per Million is the bacharzch concentration referenced to standard temperature and pressure and is computed from lines 5, 8 and Connect the sample bag directly to the intake port for the zone you have set up and allow the HGM to sample the entire bag.
Air sample tubing may be run in lengths up to feet. Use any of the remaining service knockouts to gain access to the interior of the RDM If you are unfamiliar with complex systems of this type, it is recommended that you contact Bacharach for technical assistance. Warning Statements Safety Precautions Cont. At the end of the gas library list are five place-holders for adding new gases.
Distance This is the tubing length in feet from bachatach HGM to the termination of the air intake line.
Bacharach HGM300 User Manual
There are two figures given. Installation of the monitor in a mechanical room is acceptable provided reasonable environmental conditions exist. The prominent features of the display module are discussed below.
These alarms are useful for alerting the user to global conditions anywhere on the network. Please bbacharach this manual carefully before use. The data is split into 2 registers. The zone number is the low order byte in the register address i. The exhaust line should run to an out side location if possible. Bachaarach any of the remaining service knockouts to gain access to the interior of the monitor.
The second is a PPM reading normalized to standard temperature and pressure. Hgm – Electrical Wiring Locate service knockouts on exterior of enclosure and install electrical conduit in the typical manner.
Table of Contents Add to my manuals Add. DO NOT use soap and water. The RDM operates by polling the network approximately once every 12 seconds to determine the current status of the HGM monitors. Labor beyond ninety 90 days of shipment or installation is subject to charge.
Basic hgm/rdm monitor system connection | Bacharach HGM User Manual | Page 6 / 26
Bacharach hgm to johnson metasys n2 communications hg,300 electrically isolated n2 port version 10 pages. 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. Working With Alarms Once the HGM completes a measurement cycle in the affected zone the alarm condition will be indicated.
This value may range from 0 to feet. The saved program will be sent to the HGM There are two versions of PC software. Clearing System Faults If the fault condition is associated with an HGM, baxharach monitor will return to normal operation soon after the problem is corrected. Average Temperature This temperature reading may be changed to the exact temperature at the sample point for greater accuracy.
This can take some several minutes since it is dependent upon how many zones there are and their lengths. Please refer to the Appendix for a more complete discussion of communication protocols.
For example, at the default scale factor of 0. Once the HGM completes a measurement cycle in the affected zone the alarm condition will be indicated. The relays are factory assigned to the following conditions: After a brief moment the System Bxcharach is displayed. Repeat this procedure to acknowledge any remaining alarms.
This manual also for: Locate the Dual 4—20 mAdc Output connector Page 7 and remove it from the circuit board. RDM – Screen Displays When first powered up a splash screen appears indicating the serial number and firmware revision number.
By pressing ‘print’ button you will print only current page. The interface board plugs into the socket provided on the main circuit board, and the external devices are then cabled to the HGM as described earlier in this manual.