Bacharach MGS-150 User manual

1: OPERATING AREA AND CONDITIONS
The Bacharach MGS-150 is an instrument for the
connuous monitoring of refrigerant, combusble,
and toxic gases.
The instrument is powered by 12-24V AC or DC
(selectable by an on-board jumper). The output signal
can be selected as either voltage or current. The
on-board relay can be used to switch alarm devices.
P/N: 6309-9002
Revision 0
January 25, 2016
2: SAFETY INSTRUCTIONS
USER MANUAL: Before using this equipment,
carefully read and strictly follow the User Manual
(part number 6309-9000). The user must fully
understand and strictly observe the instrucons.
Use the equipment only for the purposes listed and
under the condions specified in those documents.
CODE COMPLIANCE: Comply with all local and
naonal laws, rules and regulaons associated with
this equipment.
GENUINE PARTS: Use only genuine Bacharach spare
parts and accessories, otherwise proper funconing
of the equipment may be impaired.
TECHNICIAN USE ONLY: This unit must be installed
by a suitably qualified technician who will install this
unit in accordance with these instrucons and the
standards in their parcular industry/country. Opera-
tors of the unit should be aware of the regulaons
and standards in their industry/country for the
operaon of this unit. These notes are only intended
as a guide and the manufacturer bears no responsi-
bility for the installaon or operaon of this unit.
Failure to install and operate the unit in accordance
with these instrucons and with industry guidelines
may cause serious injury including death and the
manufacturer will not be held responsible in this
regard.
SAFE MOUNTING: This monitor must be connected
by a marked, suitably located and easily reached
switch or circuit-breaker as means of disconnecon.
WARNING: Strictly follow the
instrucons in the Gas Detector
Manual (part number 6309-9000)
available at www.MyBacharach.com.
CAUTION: DO NOT MOUNT the
MGS-150 in an area that may
contain flammable liquids or
vapors. Operaon of electrical
equipment in such an area cons-
tutes a safety hazard.
GAS DETECTOR
INSTALLATION GUIDE
3: WEIGHTS AND DIMENSIONS
Type/Enclosure Dimensions Weights
IP41 3.35” x 5.59” x 2.09”
86 x 142 x 53 mm
6.3 oz
180 g
IP66 6.89” x 6.5” x 3.29”
175 x 165 x 82 mm
1 lb 6 oz
629 g
IP66 w/ Splash
Guard
6.89” x 8.9” x 3.29”
175 x 225 x 82 mm
1 lb 9 oz
700 g
IP66 w/ Remote
Sensor
6.89” x 6.1” x 3.29”
175 x 155 x 82 mm
1 lb 11 oz
790 g
IP66 w/ Ex d
Remote Head
6.89” x 6.1” x 3.29”
175 x 155 x 82 mm
2 lb 10 oz
1185 g
IP66 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
IP66 Airflow/
Duct (See Table)
6.89” x 4.9” x 3.29”
175 x 125 x 82 mm
1 lb 4 oz
578 g
Ex d (Enclosure) 5.8” x 7.1” x 5.0”
147 x 180 x 128 mm
4 lb 10 oz
2100 g
ENVIRONMENTAL CONSIDERATIONS: Care-
fully consider the full range of environmental
condions to which the instruments will be
exposed.
TARGET GAS CONSIDERATIONS: The physical
data of the gas or vapor to be detected must
be observed.
APPLICATION CONSIDERATIONS: The specifics
of the applicaon (for example, possible leaks,
air movement/dra, etc.) must be observed.
ACCESSIBILITY CONSIDERATIONS: The degree
of accessibility required for maintenance
purposes must be granted.
ACCESSORY CONSIDERATIONS: The types of
oponal and accessory equipment that will be
used with the system must be kept in mind.
ELECTRONIC CONSIDERATIONS: The system
contains sensive electronic components that
can be easily damaged. Do not touch nor
disturb any of these components.
Mount the MGS-150 according to the above
consideraons, product dimensions (see
Secon 3), maximum wiring lengths (see
Secon 5), and the corresponding mounng
dimensions shown in the illustraons that
follow.
4: MOUNTING
3.39 in (86.0 mm)
2.09 in (53 mm)
1.4 in
(36.00 mm)
1.69 in (43.0 mm)
4.72 in (120 mm)
0.28 in
(7.0 mm)
4.07 in (103.50 mm)
1.0 in
(25.00 mm)
1.0 in
(25.00 mm)
018 in
(4.50 mm)
�
0.18 in
(4.50 mm)
�
0.35 in
(9.0 mm)
�
0.31 in
(8.0 mm)
(146 mm)
(122 mm)
(42 mm)
(59 mm)
(123 mm)
(101 mm)
(144 mm)
M42 thread
4.8 in
5.7 in
5.7 in
2.3 in
1.7 in
4.0 in
mounng slots =
0.35 in (9mm) long x
0.24 in (6mm) wide
Use 3/16-inch screws
(5mm - 6mm )
4.8 in
Thread varies
with model
1”BSP thread
Exd Remote
Head
PRV/IP66
Vent Pipe
Monitoring 1
in BSP Head
Standard
Housing
Ex d Housing
IP66 Housing
Inches 12 x 12 12 x 24 18 x 18 24 x 24 24 round
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
Feet
Units Duct Size
Supported CFM & Duct Sizes for Duct Mount Housing
Standard
Sensor
Housing
Semiconductor
Sensors Only
5.8 in (147 mm)
0.3 in (8 mm)
6.3 in (160 mm)
2.8 in (70 mm)
7.1 in (180 mm)
5.0 in (128 mm)

World Headquarters
621 Hunt Valley Circle
New Kensington, PA 15068 USA
Phone: [phone] • Fax: [phone]
Toll Free: 1-800-736-4666
Website: www.MyBacharach.com
E-mail: [email protected]
5: WIRING AND CONFIGURATION
CABLE OPENINGS: Each MGS-150 IP41 transmier
will have a single opening for a PG7 cable gland, as
well as an oponal knockout opening. Each MGS-
150 IP66 tranmier has 3 openings These openings
can be used for field wiring, direct aachment of a
sensor or wiring of a remote sensor. Unused open-
ings must be closed with a suitable plug and gasket,
maintaining the IP or Ex d rang.
114A Georges Street Lower
Dun Laoghaire • Co Dublin • Ireland
Phone: [phone] • Fax: [phone]
NOTE: To make wiring connecons,
you must first open the MGS-150
housing. The enclosure lid of the
IP66 housing has four capve
screws.
NOTE: Aer wiring is completed,
carefully re-assemble the enclosure and
its components, nong the keyed
ribbon cable and sensor connectors.
Aer installaon is complete, be sure to
refer to the User Manual (part number
6309-9000) at
www.MyBacharach.com for detailed
instrucons on registering the sensors
and configuring the MGS-150 for proper
operaon.
Refer to the User Manual (part number 6309-
9000) at www.MyBacharach.com for detailed
instrucons on accessing the internal components
for wiring.
Electrochemical (EC) or Infrared (IR) Sensor
Adjust Span
(Adjust Zero in
IR Model)
Adjust Zero
(Adjust Span in
IR Model)
Adjust Audible
Alarm and Relay
Set Point (P1)
Audible Alarm & Relay Set
Point Voltage (Ref 1)
Short to Cancel
Warm Up Delay
0V
Sensor
Voltage (VS)
Jumpers
for
AC or DC
SW1
CN1 CN2 CN3
N/O
COM
N/C
0V V I
Output
Signal
Relay
Out
0V V+
Power
Supply
CN1
12-24 VDC
0V V+
12-24
VAC
CN1
A
D
A
D
A
D
AC POWER
SELECTED DC POWER SELECTED
Relay and
Audible
Alarm Delay
(Minutes)
6
5
4
3
2
1
Not Used
0-10V 4-20 mA or 2-10V
Output
Range
0 1 5 10
Disabled
Enabled
Audible
Alarm
Disabled
(0-10V,
2-10V)
Enabled
(0-5V or
1-5V)
Divide
Voltage
Output
by 2
6
5
4
3
2
1
GREEN
LED
RED
LED
A
U
D
I
B
L
E
A
L
A
R
M
S
E
N
S
O
R
Semiconductor (SC) Sensor
4-20 mA
or 2-10V
1 5 10
Enabled
Enabled
(0-5V or
1-5V)
Adjust Span
Adjust Zero
Adjust Audible
Alarm and Relay
Set Point (P1)
Short to Cancel
Warm Up Delay
SW2
Audible Alarm and Relay
Set Point Voltage
0 V
Sensor
Voltage
Jumpers
for
AC or DC A
D
A
D
AC POWER
SELECTED DC POWER SELECTED
Relay and
Audible
Alarm Delay
(Minutes)
6
5
4
3
2
1
Not Used
0-10V
Output
Range
0
Disabled
Audible
Alarm
Disabled
(0-10V,
2-10V)
Divide
Voltage
Output
by 2
6
5
4
3
2
1
CN1 CN2 CN3
N/O
COM
N/C
0V V I0V V+
A
D
Output
Signal
Relay
Out
Power
Supply
CN1
12-24 VDC
0V V+
12-24
VAC
CN1
A
U
D
I
B
L
E
A
L
A
R
M
GREEN
LED
RED
LED