Bacharach 3015-4286 manuale d’uso

AGMSZ Ammonia Gas Monitor Single Zone Instruction 3015-4286 Installation / Operation / Maintenance Rev. 0 – September 2005 Product Leader ship • Training • Service • Re liability[...]

A Instruction 3015-4286 WARRANTY Bacharach, Inc. warrants to Buyer that at the time of de livery this Product will be free from defects in materia l and manufacture and will conform substant ially to Bacharach Inc. 's applicable specific ations. Ba charach's liability a nd Buyer's remedy under this warranty are limited to the repair [...]

Instruction 3015-4286 i Table of Contents INTRODUCTION ................................................................................................................... ........................ 1 How to Use Th is Ma nual ......................................................................................................................... 1 War[...]

ii Instruction 3015-4286 Working with Sy stem Faults ..................................................................................................... ........... 18 Overview ....................................................................................................................... ...................... 18 Clearing / Silencin g a F[...]

Instruction 3015-4286 1 Introduction How to Use This Manual Thank you for investing in a BACHARACH AGMSZ (Ammonia Gas Monitor Single Zone). This manual provides im portant inform ation on ho w to instal l, operate, and serv ice the AGMSZ monitoring unit. To assure operator safet y and the proper use of th e monitor, pleas e read, understand, a nd f[...]

2 Instruction 3015-4286 Safety Precautions AC Power Supply The AGMSZ 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 suggested that the monitor be connected directly to the AC power so urce, preferably on its ow n circuit (with UPS or surge p[...]

Instruction 3015-4286 3 Functional Overview General Description Ammonia monitors are spec ified to support c ompliance to feder al, state and local saf ety codes governing gas emissions. Avoiding s ignificant amm onia loss reduces equipment r eplacement costs, mainta ins equipment effic iency, promotes sa fety, and prot ects the environ ment. The B[...]

4 Instruction 3015-4286 Suggested Location of Sampling Point At the point of an amm onia gas leak the gas is nearly pur e. As ammonia gas is disperse d into the air, the gas molecules diffuse cau sing a dilution of the original co ncentration. The A GMSZ measures the gas concentration at the p oint the sample is col lected. Theref ore, if the termi[...]

Instruction 3015-4286 5 Installation Installation Considerations Warnings and Cautions WARNING: Explosion hazard! Do not mount the AGMSZ in an area tha t may contain flammable liquids, vapors or aerosols. Operati on of any electrical equipment in such an environment constitute s a safety hazard. WARNING: Shock hazard! Always disconnec t AC power be[...]

6 Instruction 3015-4286 Mounting Instructions The AGMSZ should be ins talled plumb and le vel and securely fasten ed to a rigid mount ing surface. The enclosur e utilizes keyh ole mounting brack ets designed for #12 pan head s crews. Locate the four screws as shown in the diagram below and leave the screw h eads protruding approximat ely 3/16"[...]

Instruction 3015-4286 7 Tubing Considerations Use ¼" outside diameter (0.040" wall) flex tubing for all a ir lines (P/N 304-2742 or equiva lent). The tubing should be clean and free of mo isture or other co ntam inants. The tubing should be cut cleanly with a sharp knife and care shou ld be taken not to d istort the tubing end. IMPORTANT[...]

8 Instruction 3015-4286 Interior Schematic Interior Schematic LINE FUSES 1.0A, 250V, F UNIVERSAL POWER SUPPLY CLOCK BATTERY EXTERNAL ALARM RELAY CONNECTOR AC INPUT TERMINALS AC INPUT GROUND STUD IR BENCH GAS IN IR BENCH GAS OUT 4–20 MA CONNECTOR (Signal Out. Do not apply p owe r! ) HYDROPHOBIC FILTERS CONTROL BOARD SAMPLE PUMP[...]

Instruction 3015-4286 9 Electrical Wiring The AGMSZ uses a universal power supply that is capable of accepting inp uts of 100 to 240 VAC, 50/60 Hz. The monitor’s power consumption is 15 Watts. It is hig hly r ecommended th at th e monitor be connected directly to the AC power source, preferably on its own ci rcuit. The connectio n shoul d be comp[...]

10 Instruction 3015-4286 Connecting External Alarms Overview The AGMSZ includes four SPDT relays whose contacts are rated 3 A at 240 VAC. These relays ar e used for the connection of ext ernal alarm devices that are act ivated when the rela y is energized. The relays ar e factory assigned t o energize under the following con ditions: Relay #1 Leak [...]

Instruction 3015-4286 11 Typical External Alarm Relay 1 Wiring Jumper the ‘Neutral’ line of an external power source or the monitor’s AC input to the ‘Comm on’ terminals on the relay connector. Connect one end of the strobe or horn to the ‘NO’ terminal of whichever level of alarm is a ppropriate for the application. The other end of t[...]

12 Instruction 3015-4286 Notes:[...]

Instruction 3015-4286 13 Operation Front Panel Display and Controls General Operation Once the AGMSZ has been installed, set up, and powe red ON, t he monitor wil l make measurem ents in the area being sampl ed for ammonia gas with out further operator intervention. The results of those measurements are show n on the front pane l display. In the ex[...]

14 Instruction 3015-4286 If a system fault occurs (see F ault Code list on Pag e 19), the monitor responds by turnin g ON the front panel SYSTEM FAULT (yello w) light and energ izing the fault relay. If the internal au dible alarm is turned ON, it too will activate ( AUDALRM page 16) . An optio nal extern al alarm d evice ca n be con nected to the [...]

Instruction 3015-4286 15 Function Screens The Function screens are used to display stored dat a and to set up the monitor. From the Data Display s creen, press any Keypad button to displa y the first Function Menu screen. Next, use the Keypad b uttons to move the arrow (>) on the d ispla y until it is next to the desir ed function, and then pres[...]

16 Instruction 3015-4286 DIAGNOS – Enters the diagnostic fu nction. Press the Up Arrow Keypad button to toggle between the monitor’s tw o diagnostic screens. Refer to Working wi th the D IAGNOS Fu nctio n (Page 21). GASTYPE – Ammonia monitors do not have a library of other gases to choose from, therefore R717 is the only gas type listed. Pre [...]

Instruction 3015-4286 17 CLOCK – Sets the monitor’s date and time. Use th e Keypad to enter the correct date and time, and then press ENTER to save those valu es and return to the previous screen. Note that time is displayed in a 24 hour format, while the date is displayed as mm/dd/yy. SILENCE – Used to enter a length of time for wh ich the i[...]

18 Instruction 3015-4286 Working with Gas Alarms Overview If the ammonia gas ppm level in the area b eing monitored exc eeds its preset Leak, Spill, o r Evacuate Alarm level (Page 16), the AGMS Z will detect this alarm condition and turn ON the fr ont panel ALARM light. Additionally, an external alarm device may ac tivate and t he monitor’s inter[...]

Instruction 3015-4286 19 Viewing the Fault Log From the Data Display s creen, use the Keypad buttons to place the arro w (>) on the display next to th e FAULTS fu nction. Then press EN TER to display the fault log. The fault log shows the monitor’s current fault stat us. If the fault is still present when the FAULTS function is selected, then [...]

20 Instruction 3015-4286 Clearing the Stored PPM Log, Alarm & Fault Data Up to 200 gas measurements, and 30 alarm and fau lt events are stored by the monitor. To clear stored data, first display th e data to be cleared by using the PPM LOG , ALARMS or FAULTS function (Page 15). Next, press the Right Arrow Keypad and ENTER buttons at the same ti[...]

Instruction 3015-4286 21 Working with the DIAGNOS Function Overview The DIAGNOS function displays sensor data and status in form ation useful to a service t echnician for troubleshooti ng various fault condit ions. Explan ations of the data shown in t hese screens are given b elow. Keypad Functions From the Data Display s creen, use the Keypad butt[...]

22 Instruction 3015-4286 Working with the Calibration Function Overview If greater than standard accuracy is desired, the factory’s default calibration factor of 1.000 may be adjusted by perform ing the calibratio n procedure as described bel ow, and then selec ting the monitor’ s CAL function to enter the new calibration fact or. IMPORTANT! Ch[...]

Instruction 3015-4286 23 Maintenance Warnings and Cautions WARNING: Always disconnect AC power before working inside the monitor. CAUTION: When working inside the monitor, be very careful n ot to dislodge any electrical wiring or pneum atic tubing. The AGMSZ contains sensitive electron ic components that can be easily damaged. Be careful not to tou[...]

24 Instruction 3015-4286 Replacement Parts & Optional Accessories Replacement Parts Item Description Part Number AGMSZ, complete assembly ........................................... 3015-4280 Battery, Panasonic BR 2032, 3 V .................................... 204-0020* Filter, Hydrop hobic ......................................................[...]

Instruction 3015-4286 25 Service Centers Replacement parts and service can be obtain ed by contacting one of the follo wing Bacharach Ser vice Centers. United States California 7281 Garden Grove Blvd., Suite H Garden Grove, CA 92841 Phone: 714-895-0050 Fax: 714-895-7950 Email: calservic e@bacharach-inc.com New Jersey 7300 Industrial Park Rte. 130, [...]

26 Instruction 3015-4286 Specifications Product Type ........................ Single zone infrared monitoring system for low le vel continuous monitoring o f ammonia refrigerant gas used in mo st commercial refr igeration systems Gas ........................................ Ammo nia, NH 3 , R-717 Measuring Range................. 25 to 10,000 ppm De[...]

Instruction 3015-4286 27 Notes:[...]

Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068 PH: 724-334-5000 • Toll Free: 800-736-4666 • FAX : 724-334-5001 Website: www.bacharach-inc.com • E-mail: help@bacharach-inc.com Printed in U.S.A. ® Registe red Trad emark of B achara ch Inc.[...]