Bacharach HGM-SZ Installation & Operation Manual
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Bacharach HGM-SZ, Single Zone Gas Monitor 8 P/N: 3015-4256 Rev 13 Figure 2-1. Enclosure Mounting Specs Hold the monitor flat against the mounting surface and allow it to slide down engaging the screw heads in the keyhole slots of the mounting brackets. Adjust the screws as necessary to hold the monitor securely against the mounting surface. 2.3. Connecting Gas Sample and Exhaust Lines 2.3.1. Overview A single gas-sample line must be run from the SZ unit to the area of the facility to be moni
Bacharach HGM-SZ, Single Zone Gas Monitor 20 P/N: 3015-4256 Rev 13 PPM LOG – Contains records of the last 200 measurements. Each record shows the measurement’s date, time, and ppm level. Note that the interval at which the measurements are logged is determined by the LOG INT function. Use the Keypad Up and Down buttons to change the record number by a factor of 1. Use the Right and Left buttons to change the record number by a factor of 10. Press QUIT to return to the previous screen. In the example on the right, record #025 shows that a level of 425 ppm was measured on 11/07/10 at 15:35. Note that the PPM Log can be cleared as described on page 25.
Bacharach HGM-SZ, Single Zone Gas Monitor 34 P/N: 3015-4256 Rev 13 APPENDIX B. AGENCY APPROVALS DECLARATION OF CONFORMITY The manufacturer of the products covered by this declaration: Bacharach, Inc. 621 Hunt Valley Circle New Kensington, PA 15068 Year conformity is declared: 2010 (EN 14624), 2008 (all others) Product(s): Refrigerant Monitors Model(s): HGM-SZ and HGM-MZ (Single and Multi Zone Refrigerant Monitors) (EN 14624 only) HGM-SZ, AGM-SZ, CO2-SZ, HGM-MZ, AGM-MZ, CO2-MZ and MZ-RD. The undersigned hereby declares that the above referenced products are in conformity with the provisions of the following standard(s) and is in accordance with the following directi
Single Zone Gas Monitors HGM-SZ (Halogen) and AGM-SZ (Ammonia) Instruction 3015-4256 Installation / Operation / Maintenance Rev 13 – January 2013 Patent 6,590,690 UL 61010-1 CSA 22.2 No. 61010-1 EN 14624 Product Leadership • Training • Service • Reliability
Bacharach HGM-SZ, Single Zone Gas Monitor P/N: 3015-4256 Rev 13 31 4.11. Service Centers Replacement parts and service can be obtained by contacting one of the following Bacharach Service Centers. United States Bacharach, Inc. 621 Hunt Valley Circle New Kensington, PA 15068-7074 Phone: 724-334-5000, 800-736-4666 Fax: 724-334-5723 Email: [email protected] Canada Bacharach of Canada, Inc. 20 Amber Street Unit #7 Markham, Ontario L3R 5P4 Canada Phone: 905-470-8985 Fax: 905-470-8963 Email: [email protected] Europe Murco Limited – a Bacharach Company 114a Georges Street Lower Dun Laoghaire Co. Dublin
Single Zone Gas Monitor 24 P/N: 3015-4256 Rev 13 3.5.4. Fault Codes FAULT CODES ARE ADDITIVE. For example: A fault code of <1800> indicates that both a Purge Flow Fault <1000> and a Zone Flow Fault <0800> have occurred. Code Name Description <0001> Box Temperature Fault Enclosure temperature is outside normal range (or IR detector has failed). Ch
Bacharach HGM-SZ, Single Zone Gas Monitor P/N: 3015-4256 Rev 13 5 1.7. Specifications Category HGM-SZ Specifications Product Type Single-zone infrared monitoring system for low level continuous monitoring of CFC, HCFC and HFC refrigerant gasses used in most commercial refrigeration systems. System design supports compliance to the refrigerant monitoring requirements of ANSI/BSR ASHRAE 15- 2007 and ASHRAE Safety Code 34-2007. Gas Library: CFC HFP, R-11, R-113, R-114, R-12, R-502 HFC R-125, R-134a, R-236FA, R-245Fa, R-404a (HP62), R-407a, R-407c (AC9000), R-410a (AZ20), R-422a, R-422d, R-427a, R-507 (AZ50), R-508b (SUVA95) HCFC R-123, R-124, R-21, R-22, R-227, R-2
Bacharach HGM-SZ, Single Zone Gas Monitor P/N: 3015-4256 Rev 13 28 SECTION 4. MAINTENANCE 4.1. Warnings and Cautions WARNING: Shock Hazard! Always disconnect AC power before working inside the monitor. WARNING: Before performing any operation or maintenance, verify connection of the AC power ground wire to the monitor’s ground stud. Under no circumstances should this monitor be operated or serviced without a protective ground. Doing so poses a potential shock hazard and is also a violation of electrical safety standards applicable to this type of equipment.
Bacharach HGM-SZ, Single Zone Gas Monitor P/N: 3015-4256 Rev 13 iii Table of Contents SECTION 1. INTRODUCTION..................................................................................................................... 1 1.1. How to Use This Manual..................................................................................................................... 1 1.2. Warning Statements ........................................................................................................................... 1 1.3. Caution Statement
Bacharach HGM-SZ, Single Zone Gas Monitor 14 P/N: 3015-4256 Rev 13 2.7. Connecting External Alarms 2.7.1. Overview The SZ monitor includes four SPDT relays whose contacts are rated 2 A at 250 VAC (inductive) and 5 A at 250 VAC (resistive). These relays are used for the connection of external alarm devices that are activated when the relay is energized. The relays are factory assigned to energize under the following conditions: Relay #1 Leak Alarm Point 100 ppm Relay #2 Spill Alarm Point 300 ppm Relay #3 Evacuate Alarm Point 500 ppm Relay #4 Fault System Fault Event NOTE: Alarm points of relays #
Single Zone Gas Monitor P/N: 3015-4256 Rev 13 19 3.3. Display Screens 3.3.1. Initial Power Up When the SZ monitor is first powered up all front panel lights are turned ON, and a splash screen appears showing the monitor’s firmware revision level. After a brief moment the Warm Up screen is display along with the front panel MONITOR ON light (green) blinking. The monitor takes
Bacharach HGM-SZ, Single Zone Gas Monitor 36 P/N: 3015-4256 Rev 13 Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068-7074 Toll Free: 800-736-4666 • Tel: +1-724-334-5000 • FAX: +1-724-334-5001 Website: www.MyBacharach.com • E-mail: [email protected] Printed in U.S.A. ® Registered Trademark of Bacharach Inc.
Bacharach HGM-SZ, Single Zone Gas Monitor 18 P/N: 3015-4256 Rev 13 3.2. General Operation Once the SZ monitor has been installed, set up, and powered ON, the monitor will make measurements in the area being sampled for desired gas without further operator intervention. The results of those measurements are shown on the front panel display. In the example shown above, MEASURE indicates that the SZ unit is actively monitoring for refrigerant gas, and that currently 45 ppm of R-134A (refrigerant gas) is being detected. This display also indicates that a peak measurement of 485 ppm has been made. An operator can reset the peak va
Single Zone Gas Monitor P/N: 3015-4256 Rev 13 9 2.3.2. Tubing Considerations Use ¼ in. outside diameter (0.040 in. wall) flex tubing for all air lines (P/N 0304-2743 or equivalent for HGM; P/N 0304-2742 or equivalent for AGM). The tubing should be clean and free of moisture or other contaminants. The tubing should be cut cleanly with a sharp knife and care should be take
Bacharach HGM-SZ, Single Zone Gas Monitor 2 P/N: 3015-4256 Rev 13 1.5.1. AC Power Supply IMPORTANT: The Single Zone monitor uses a universal power supply that is capable of accepting inputs of 100 to 240 VAC, 50/60 Hz. The monitor’s power consumption is 15 Watts. It is highly recommended that the monitor be connected directly to the AC power source, preferably on its own circuit (with UPS or surge protection). WARNING: A switch or circuit breaker rated 1.0 A, 250 VAC, with a minimum terminal spacing of 3.0 mm must be attached to the monitor’s AC power leads. This switch must also be located in close proximity to the monitor, and be in easy reach of the operator. This switc
Bacharach HGM-SZ, Single Zone Gas Monitor 32 P/N: 3015-4256 Rev 13 APPENDIX A. DATA TABLES A.1. Recommended Alarm Settings Refrigerant Leak PPM Spill PPM Evacuate PPM R11 100 300 500 R12 100 300 500 R22 100 300 500 R23 100 300 500 R113 100 300 500 R114 100 300 500 R123 25 35 50 R124 100 300 500 R134A 100 300 500 R401A 100 300 500 R402A 100 300 500 R402B 100 300 500 R404A 100 300 500 R407A 100 300 500 R407C 100 300 500 R409A 100 300 500 R410A 100 300 500 R500 100 300 500 R502 100 300 500 R503 100 300 500 R507 100 300
Bacharach HGM-SZ, Single Zone Gas Monitor 22 P/N: 3015-4256 Rev 13 SQUELCH – Sets a value of between 0.0 and 99.9 ppm that prevents the display of measurements below that value. Factory default is 0 ppm. For example, if the squelch setting is set to 50 ppm, then the monitor will not display measurements that are below that value. Use the Keypad to enter the desired value, and then press ENTER to save that value and return to the previous screen. ZONETEMP – Used to enter the temperature of the area being monitored in °C, thus giving a more accurate
Bacharach HGM-SZ, Single Zone Gas Monitor 26 P/N: 3015-4256 Rev 13 3.9. The DIAGNOS Function 3.9.1. Overview The DIAGNOS function displays sensor data and status information useful to a service technician for troubleshooting various fault conditions. Explanations of the data shown in these screens are given below. 3.9.2. Keypad Functions From the Data Display screen, use the Keypad buttons to place the arrow (>) on the display next to the DIAGNOS function. Then press ENTER to display the first of two Diagnostic screens. Press the Up Arrow Keypad butt
Bacharach HGM-SZ, Single Zone Gas Monitor P/N: 3015-4256 Rev 13 27 3.10. The Calibration Function 3.10.1. Overview If greater than standard accuracy is desired, the factory’s default calibration factor of 1.000 may be adjusted by performing the calibration procedure as described below, and then selecting the monitor’s CAL function to enter the new calibration factor. IMPORTANT! Changing the calibration factor will VOID the factory calibration. Typically, the monitor will remain within the factory-calibrated accuracy indefinitely and no calibration is required. Complex
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