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PolyGard 2 MC2
MSR ELECTRONIC PolyGard 2 MC2 - User Manual
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User Manual
PolyGard
®
2 Sensors
Sensors of the SC2
and MC2 Series
for Combustib
le and Toxic Gases (incl. Oxy
gen)
as well as for Ref
rigerants
Version:
202
3-
11
Release date:
2023
-
11
-
28
Language:
English
Name of file:
GA_MC2_SC2
_E
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 General
5
Intended Use
5
Safety
5
Installers and Operators' Responsibilities
5
Services
6
Limited Warranty
6
Part Disposal
6
2 Functional Description
7
General
7
Measuring Mode
7
Special Mode
7
Sensor Element
7
A: Catalytic Sensor Element (Pellistor) for Combustible Gases
7
B: Electrochemical Sensor Element for Toxic Gases and Oxygen
8
C: Semiconductor Sensor Element for Freon Gases, Ethylene and Ammonia
8
D: Infrared Sensor Element for Methane, Propane, Carbon Dioxide and R32
9
E: MPS™ Sensor Element
9
3 Installation
10
Mounting Instructions
10
Mounting of Sensors
12
4 Electrical Connection
13
Plug Connection (SC2) on SB2, MSB2, MSC2, WSB2
13
Terminal Connection (MC2)
13
Registration of the Sensors SC2/MC2
13
5 Commissioning
14
General
14
Required Instruments for Commissioning (Calibration)
14
6 Calibration
15
Run-In Time
16
Calibration Work
17
Zero Calibration
17
A: General
17
B: Zero Calibration for Freon Sensors (with Laser Engraving 2000 Ppm)
18
Gain Calibration
18
Calibration (Gain) with Surrogate Gas for Catalytic Sensor Element (Pellistor)
19
Extended Calibration for Semiconductor Sensor Element
19
Calibration Analog Output
19
Test of MPS™ Sensors
19
Exchange of Sensor Head
21
Sensor SC2
21
Sensor MC2
21
Perform Function Test
21
7 Inspection and Service
22
Inspection
22
Maintenance and Calibration
22
8 Troubleshooting
23
Indications for the SC2
23
Indications for the MC2
23
9 Specifications
24
General
24
Digital Sensor SC2
25
Analog Sensor MC2
25
Sensor Element
26
A: Catalytic Sensor Element (Pellistor) for Combustible Gases
26
B: Electrochemical Sensor Element for Toxic Gases and Oxygen
28
C: Semiconductor Sensor Element for Freon Gases, Ethylene and Ammonia
32
D: Infrared Sensor Element for Methane, Propane, Carbon Dioxide (and R32)
33
E: MPS™-Sensor Element
35
10 UKCA Declaration of Conformity
37
List of Abbreviations
38
Glossary
39
Revision List
40
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MSR ELECTRONIC PolyGard 2 MC2 Specifications
General
Brand
MSR ELECTRONIC
Model
PolyGard 2 MC2
Category
Security Sensors
Language
English
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General
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