Bacharach MGS-150 Bedienungsanleitung

Gas Detector

Installation and Operation Manual

Instruction 6309-9000

Revision 4 – October 2016

Product Leadership •Training •Service •Reliability

MGS-150 Manual

2 6309-9000 Rev4

WARRANTY POLICY

BACHARACH, INC. WARRANTS THIS INSTRUMENT, EXCLUDING SENSORS, TO BE

FREE FROM DEFECTS IN MATERIALS AND WORKMANSHIP FOR A PERIOD OF ONE

YEAR FROM THE DATE OF PURCHASE BY THE ORIGINAL OWNER. THE SENSORS

HAVE A WARRANTY PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE. IF

THE PRODUCT SHOULD BECOME DEFECTIVE WITHIN THIS WARRANTY PERIOD,

WE WILL REPAIR OR REPLACEITATOUR DISCRETION.

THE WARRANTY STATUS MAY BE AFFECTED IF THE INSTRUMENT HAS NOT BEEN

USED AND MAINTA INED PER THE INSTRUCTIONS IN THIS MANUAL OR HAS BEEN

ABUSED, DAMAGED, OR MODIFIED INANY WAY. THIS INSTRUMENT IS ONLY TOBE

USED FOR PURPOSES STATED HEREIN. THE MANUFACTURER IS NOT LIABLE FOR

AUXILIARY INTERFACED EQUIPMENT OR CONSEQUENTIALDAMAGE.

DUE TO ONGOING RESEARCH, DEVELOPMENT, AND PRODUCT TESTING, THE

MANUFACTURER RESERVES THE RIGHT TO CHANGE SPECIFICATIONS WITHOUT

NOTICE. THE INFORMATIONCONTAINED HEREIN IS BASED ON DATA CONSIDERED

ACCURATE. HOWEV ER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING

THEACCURACY OFTHIS DATA.

ALL GOODS MUST BE SHIPPED TO THE MANUFACTURER BY PREPAID FREIGHT.

ALL RETURNED GOODS MUST BE PRE-AUTHORIZ ED BY OBTAINING A RETURN

MERCHANDISE AUTHORIZATION (RMA) NUMBER. CONTACT THE MANUFACTURER

FOR A NUMBER AND PROCEDURES REQUIREDFOR PRODUCT TRANSPORT.

SERVICEPOLICY

BACHARACH, INC. MAINTAINS AN INSTRUMENT SERVICE FACILITY AT THE

FACTORY. SOME BACHARACH DISTRIBUTORS / AGENTS MAY ALSO HAVEREPA IR

FACILITIES, HOWEVER, BACHARACH ASSUMES NO LIABILITY FOR SERVICE

PERFORMED BY ANYONE OTHER THAN BACHARACH PERSONNEL. REPAIRS ARE

WARRANTED FOR 90 DAYS AFTER DATE OF SHIPMENT (SENSORS, PUMPS,

FILTERS AND BATTERIES HAVE INDIVIDUAL WARRANTIES). SHOULD YOUR

INSTRUMENT REQUIRE NON-WARRANTY REPAIR, YOU MAY CONTACT THE

DISTRIBUTOR FROM WHOM IT WAS PURCHASED OR YOU MAY CONTACT

BACHARACH DIRECTLY.

IF BACHARACH IS TO DO THE REPAIR WORK, SEND THE INSTRUMENT, PREPAID,

TO BACHARACH, INC. AT THE FOLLOWING ADDRESS.

Location Contact Information Shipping Address

UnitedStates

www.mybacharach.com/rmaform/

Phone: 724-334-5000

Toll Free: 1-800-736-4666

Fax: 724-334-5001

Bacharach, Inc.

621Hunt Valley Circle

NewKensington, PA15068, USA

ATTN: Service Department

Ireland Phone: +3531 284 6388

Fax: +3531 284 6389

Murco Ltd –A BacharachCompany

114AGeorges StreetLower

DunLaoghaire, Dublin, Ireland

ATTN: Service Department

Canada

Phone: 905-470-8985

Fax: 905-470-8963

Email: support@BachCan.ca

BacharachofCanada

20Amber Street Unit #7

Markham, Ontario L3R 5P4,Canada

ATTN: Service Department

MGS-150 Manual

6309-9000 Rev4 3

ALWAYS INCLUDE YOUR RMA #, ADDRESS, TELEPHONE NUMBER, CONTACT

NAME, SHIPPING/BILLING INFORMATION AND A DESCRIPTION OF THE

DEFECT AS YOU PERCEIVE IT. YOU WILL BE CONTACTED WITH A COST

ESTIMATE FOR EXPECTED REPAIRS PRIOR TO THE PERFORMANCE OF ANY

SERV ICE WORK. FOR LIABILITY REASONS, BACHA RACH HA S A POLICY OF

PERFORMING ALL NEEDED REPAIRS TO RESTORE THE INSTRUMENT TO

FULL OPERATING CONDITION.

PRIOR TO SHIPPING EQUIPMENT TO BACHARACH, CONTACT OUR OFFICE

FOR A N RMA # (RETURNED MERCHANDISE AUTHORIZATION). ALL RETURNED

GOODSMUST BE ACCOMPANIED WITH AN RMA NUMBER.

PACK THE EQUIPMENT WELL (IN ITS ORIGINAL PACKING IF POSSIBLE), AS

BACHA RA CH CANNOT BE HELD RESPONSIBLE FOR A NY DA MA GE INCURRED

DURING SHIPPING TO OUR FA CILITY.

NOTICES

COPYRIGHTS: THIS MANUAL IS SUBJECT TO COPYRIGHT PROTECTION; ALL

RIGHTS ARE RESERVED UNDER INTERNATIONAL AND DOMESTIC

WHOL E OR IN PA RT, IN ANY MANNER OR FORMAT, WITHOUT THE WRITTEN

PERMISSION OF BACHARACH, INC.

ALL SOFTWARE UTILIZED AND/OR DISTRIBUTED BY BACHARACH IS SUBJECT

TO COPYRIGHT PROTECTION. ALL RIGHTS ARE RESERVED. NO PARTY MAY

USE OR COPY SUCH SOFTWARE IN ANY MANNER OR FORMAT, EXCEPT TO

THE EXTENT THAT BACHARACH GRANTS THEM A LICENSE TO DO SO. IF THIS

SOFTWARE IS BEING LOADED ONTO MORE THAN ONE COMPUTER, EXTRA

SOFTWARE LICENSES MUST BE PURCHASED.

TECHNICIAN USE ONLY

THIS UNIT MUST BE INSTALLED BY A SUITABLY QUALIFIED TECHNICIA N WHO

WILL INSTALL THIS UNIT IN ACCORDANCE WITH THESE INSTRUCTIONS AND

THE STANDARDS IN THEIR PARTICULAR INDUSTRY/COUNTRY. OPERATORS

OF THE UNIT SHOULD BE AWARE OF THE REGULATIONS AND STANDARDS IN

THEIR INDUSTRY/COUNTRY FOR THE OPERATION OF THIS UNIT. THESE

NOTES ARE ONLY INTENDED AS A GUIDE AND THE MANUFACTURER BEA RS

NO RESPONSIBILITY FOR THE INSTALLATION OR OPERA TION OF THIS UNIT.

FAILURE TO INSTALL AND OPERATE THE UNIT IN ACCORDANCE WITH THESE

INSTRUCTIONS AND WITH INDUSTRY GUIDELINES MAY CAUSE SERIOUS

INJURY INCLUDING DEATH A ND THE MANUFACTURER WILL NOT BE HELD

RESPONSIBLE IN THIS REGARD.

MGS-150 Manual

4 6309-9000 Rev4

Table of Contents

Section 1. Overview ................................................................................................... 5

1.1. Gen era l Informa ti on............................................................................................... 5

1.2. Technical Specifications......................................................................................... 6

Section 2. Installation and Wiring........................................................................... 8

2.1. Gen era l Pla cement Gui del i nes ............................................................................. 9

2.2. Compon ents a nd Acces s Overvi ew ...................................................................... 9

2.3. Machi nery Rooms .................................................................................................12

2.4. Refri gera ted Spa ces ..............................................................................................14

2.5. Chillers.....................................................................................................................14

2.6. Air Conditioning (Direct Systems VRF/VRV).....................................................15

2.7. Remote S ens or Hea d Ins ta lla ti on.......................................................................16

Section 3. Housing Dimensions .............................................................................17

Section 4. Operation and Stabilization ................................................................21

Section 5. Configurations........................................................................................22

5.1. Overvi ew .................................................................................................................22

5.2. Adjusting the Alarm Set Point.............................................................................22

Section 6. Functional Tests and Calibration .......................................................23

6.1. Introduction...........................................................................................................23

6.2. Bump Testing .........................................................................................................25

6.3. Calibration Overview............................................................................................28

6.4. Calculating Calibration Voltage...........................................................................29

6.5. Calibrating Semiconductor (SC) Sensors...........................................................29

6.6. Calibrating Electrochemical (EC) Sensors.........................................................30

6.7. Calibrating Infrared (IR) Sensors.........................................................................30

Section 7. Troubleshooting ....................................................................................31

EU Declaration of Conformity.....................................................................................32

MGS-150 Manual

6309-9000 Rev4 5

Section 1. Overview

1.1. General Information

The MGS-150 is a state-of-the-art fixed gas detector which can detect a

wide range of different gases. The gas sensors can be used on a stand-

alone basis or integrated into Controls or Building Management Systems

(BMS).

The MGS-150 can be used:

•in new buildings/areas that require continuous monitoring with

high tech gas sensor transmitters.

•to add gas detection solutions to an existing system.

Typical detection applications include the detection of:

•refrigerant gases

•combustible gases

•toxic gases and/or volatile organic compounds.

The MGS Controller is an optional device used to remotely monitor up to

six MGS-150 devices. For more information, refer to the MGS Controller

manual (P/N 6709-9000).

Electrochemical and Infrared Board Semiconductor Board

Figure 1. MGS-150 Sensor Board (EC, IR, and SC)

MGS-150 Manual

6 6309-9000 Rev4

1.2. Technical Specifications

Specification Description

Powe r Suppl y 12-24 VDC, 12-24 VAC 50/60 Hz, 2 W ma x.

Powe r consumption (12V): 60mA (EC), 153mA (SC), 136mA (IR)

Monitoring LEDs

Powe r: Green LED A l a rm : Re d LED

Audible Alarm

Buzze r, ena ble/disable

Anal o g Ou tpu ts

4-20 mA; 0-5 V; 0-10 V; 1-5 V; 2-10 V

Rela y Outputs 1 relay ra ted 1 A @ 24 VAC/VDC; Dela y: 0, 1, 5, or 10 minutes

I P Ra ti n g IP41 (sta nda rd); IP66 (optional)

T e m pe ra tu re

Ra ti n g

Sensor IP41 Housing IP66 Housing

I R and SC (all) -4°to 122°F

(-20°to 50°C)

-40°to 122°F

(-40°to 50°C)

EC (all but NH3) -4°to 104°F

(-20°to 40°C)

-4°to 104°F

(-20°to 40°C)

EC (NH3) -4°to 104°F

(-20°to 40°C)

-40°to 104°F

(-40°to 40°C)

Humidi ty Ra ting 0-95% non-condensing

Di mensions/

W ei gh ts pe r

Enclosure Type

(see Note

below)

Housing Dimensions Weight

IP41 (sta nda rd)

3.35” x 5.59” x 2.09”

86 x 142 x 53 mm

6.3 oz

180 g

IP66 (optional) 6.89” x 6.5” x 3.29”

175 x 165 x 82 mm

1 lb 6 oz

629 g

w/ Splash Gua rd

6.89” x 8.9” x 3.29”

175 x 225 x 82 mm

1 lb 9 oz

700 g

w/ Re mote Sensor 6.89” x 6.1” x 3.29”

175 x 155 x 82 mm

1 lb 11 oz

790 g

w/ Exd Sensor Head

6.89” x 6.1” x 3.29”

175 x 155 x 82 mm

2 lb 10 oz

1185 g

w/PRV Sensor Head 6.89” x 6.1” x 3.29”

175 x 155 x 82 mm

2 lb 0.3 oz

916 g

w/ Airflow/Duct

6.89” x 4.9” x 3.29”

175 x 125 x 82 mm

1 lb 4 oz

578 g

Exd (ATEX onl y) 5.51” x 7.09” x 3.54”

140 x 180 x 90 mm

4 lb 15 oz

2234 g

Approvals

CE; UL/CSA/IEC/EN 61010-1; EN 55011

NOTE: Enclosures listed above are for all models/

configurations except IR Halogen, which use the standard IP41

enclosure with a different temperature rating.

MGS-150 Manual

6309-9000 Rev4 7

NOTE: The hazardous area EXd Gas Monitor products are

designed with individually certified EXd main housing

enclosures and certified EXD remote or attached sensor

enclosures. The main housing enclosure and its PCB

assembly are also EXd certified, but the final EXd Gas Monitor

assemblies (main enclosure and/or sensor assembly) are not

currently EXD certified, but are pending additional testing.

NOTE: For detection of R449A or R450A, the maximum linear

range of 500 ppm equals 50% of the range of the analog output

(e.g., 500 ppm = 12 mA, when using 4-20mA output). Data

above this range should be discarded as invalid. The alarm set

point must not be adjusted higher than 500 ppm.

Supported CFM/Duct Sizes for the Duct Mount Housing

Units

Duct Size

Inches

12 x 12

12 x 24

18 x 18

24 x 24

24 round

Feet

1 x 1

1 x 2

1.5 x 1.5

2 x 2

Pi x 1 x 1

Area (ft2)

1 2 2.25 4 3.14

CFM

Ft/min (Based on CFM and Duct Size)

2800 2800 n/a n/a n/a n/a

3000 3000 n/a n/a n/a n/a

3400

n/a

3800

n/a

4000 4000 n/a n/a n/a n/a

4400 4400 n/a n/a n/a n/a

4800 4800 n/a n/a n/a n/a

5000

2500

n/a

5400

2700

n/a

5800 5800 2900 2578 n/a n/a

6000 6000 3000 2667 n/a n/a

6400

3200

2844

n/a

6800

3400

3022

n/a

7000

3500

3111

n/a

7400 7400 3700 3289 n/a n/a

7800 7800 3900 3467 n/a n/a

8000 8000 4000 3556 n/a 2548

8400

4200

3733

n/a

2675

8800

4400

3911

n/a

2803

9000 9000 4500 4000 n/a 2866

9400 9400 4700 4178 n/a 2994

9800

4900

4356

n/a

3121

10000

5000

4444

2500

3185

MGS-150 Manual

8 6309-9000 Rev4

Section 2. Installation and Wiring

WARNING: Explosion hazard! Do not mount the MGS in an

area that may contain flammable liquids, vapors, or aerosols.

Operation of any electrical equipment in such an environment

constitutes a safety hazard.

CAUTION: The MGS contains sensitive electronic

components that can be easily damaged. Do not touch nor

disturb any of these components.

CAUTION: For AC-powered configurations, ensure that the

AC neutral supply line is not used as the ground reference for

the analog outputs.

NOTE: The mounting location of the monitor should allow it to

be easily accessible for visual monitoring and servicing.

NOTE: The monitor must be connected by a marked, suitably

located and easily reached switch or circuit-breaker as means

of disconnection.

NOTE: Connect monitor power and signaling terminals using

wiring that complies with local electrical codes or regulations

for the intended application.

NOTE: This instrument can be equipped with a semiconductor

sensor for the detection of refrigerant, combustible and VOC

gases. Semiconductor sensors are not gas specific and

respond to a variety of other gases including propane exhaust,

cleaners, and solvents. Changes in temperature and humidity

may also affect the sensor’s performance.

MGS-150 Manual

6309-9000 Rev4 9

2.1. General Placement Guidelines

NOTE: The MGS-150 should be installed plumb and level

and securely fastened to a rigid mounting surface.

Sensors must be located within the appropriate wire lengths from the

central control unit (if used).

In all cases the sensor supplied is designed for maximum sensitivity to a

particular gas. However, in certain circumstances false alarms may be

caused by the occasional presence of sufficiently high concentrations of

other gaseous impurities. Examples of situations where such

abnormalities may arise include the following:

•Plant room maintenance activity involving solvent or paint fumes

or refrigerant leaks.

•Accidental gas migration in fruit ripening/storage facilities

(bananas - ethylene, apples - carbon dioxide).

•Heavy localized exhaust fumes (carbon monoxide, dioxide,

propane) from engine-driven forklifts in confined spaces or close

to sensors.

Bacharach recommends setting the alarm delay to minimize false

alarms.

2.2. Components and Access Overview

NOTE: The wiring is the same for the electro-chemical,

semi-conductor, and infrared models. The controller wiring is

the same for all controllers.

There is a 5-minute power-up delay to allow the sensor to stabilize.

Refer to Figure 2 and Figure 3 for internal components and wiring.

MGS-150 Manual

10 6309-9000 Rev4

Figure 2. EC or IR Sensor Components and Wiring

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