MSA Chillgard m-100 Operating Manual

CHILLGARD® M-100

Refrigerant Sensor

Operating Manual

Order No.: 10086391/02

For the Declaration of Conformity, please visit the product page on MSAsafety.com.

MSA Europe GmbH Schlüsselstrasse 12 8645 Rapperswil-Jona

Switzerland

MSA CONTENTS

Contents

1. Safety Regulations ................................................................................................................................................ 4

1.1. Correct Use .................................................................................................................................................. 4

1.2. Liability Information ....................................................................................................................................... 4

2. Description ............................................................................................................................................................. 5

2.1. Locating the Sensor ...................................................................................................................................... 6

2.2. Mounting the Sensor ..................................................................................................................................... 6

3. Calibration ............................................................................................................................................................ 11

3.1. Calibration Check ....................................................................................................................................... 11

3.2. Calibration Gases ....................................................................................................................................... 11

3.3. Calibration Procedure ................................................................................................................................. 12

4. Operation ............................................................................................................................................................. 13

4.1. Optical Indication ........................................................................................................................................ 13

4.2. Control Modules .......................................................................................................................................... 13

4.3. RS-485 Output Specifications ..................................................................................................................... 14

4.4. RS-485 Addressing (if applicable) ............................................................................................................... 15

4.5. Gas Selection Jumpers ............................................................................................................................... 15

5. Technical Specifications ..................................................................................................................................... 16

6. Ordering Information ........................................................................................................................................... 18

Chillgard M-100 3

SAFETY REGULATIONS MSA

1. Safety Regulations

1.1. Correct Use

MSA’s CHILLGARD present of the most common halogenated refrigerants in cold storage facilities, mechanical equipment rooms and other refrigerant applications.

It is imperative that this operating manual be read and observed when using the sensor. In particular, the safety instructions, as well as the information for the use and operation of the apparatus, must be carefully read and observed. Furthermore, the national regulations applicable in the user's country must be taken into account for a safe use.

Danger!

This product is supporting life and health. Inappropriate use, maintenance or servicing may affect the function of the device and thereby seriously compromise the user’s life.

Before use, the product operability must be verified. The product must not be used if the function test is unsuccessful, it is damaged, a competent servicing/maintenance has not been made, genuine MSA spare parts have not been used.

Alternative use, or use outside this specification will be considered as non-compliance. This also applies especially to unauthorised alterations to the apparatus and to commissioning work that has not been carried out by MSA or authorised persons.

1.2. Liability Informatio n

MSA accepts no liability in cases where the product has been used inappropriately or not as intended. The selection and use of the product are the exclusive responsibility of the individual operator.

Product liability claims, warranties also as guarantees made by MSA with respect to the product are voided, if it is not used, serviced or maintained in accordance with the instructions in this manual.

M-100 Refrigerant Sensor – hereinafter referred to as sensor – is designed to detect the

4 Chillgard M-100

MSA DESCRIPTION

2. Description

Fig. 1 Sensor Base and Cover

Check the label provided on the printed circuit board ( Fig. 1) to identify the assemble to order (ATO) code.

ATTENTION!

The sensor is set at the factory to detect only one defined type of gases ( ATO code). This setting can not be changed during use.

The sensor is available with a number of options including:

 Refrigerant gas detected  Temperature and Relative Humidity sensors  Output – current or voltage analogue output or RS-485 ModBUS digital output  De-icer option – for low temperature applications.

Chillgard M-100 5

1 Base

2 ATO Code

3 Cover

DESCRIPTION MSA

2.1. Locating the Sensor

Proper sensor location is necessary to ensure accurate measurement of representative air samples. Locate the sensor:

 Indoors in a room area where air circulates freely  On a flat, interior surface  Approximately 30 - 45 cm from floor.

Do not locate the sensor:

 Near heat sources, such as appliances, direct sunlight or concealed pipes or chimneys  On walls or structures subject to excessive vibration  In areas where air does not circulate freely, such as behind doors or in corners.

2.2. Mounting the Sensor

60.3

58.2

59.9

80.6

55.9

Fig. 2 Installation Dimensions

6 Chillgard M-100

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