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Order No.: 10086391/02 

CHILLGARD

®

 M-100 

Refrigerant Sensor 

 

Operating Manual 

GB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Summary of Contents for Chillgard m-100

Page 1: ...Order No 10086391 02 CHILLGARD M 100 Refrigerant Sensor Operating Manual GB ...

Page 2: ...MSA Europe GmbH Schlüsselstrasse 12 8645 Rapperswil Jona Switzerland MSA 2017 All rights reserved For the Declaration of Conformity please visit the product page on MSAsafety com ...

Page 3: ...or 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 ...

Page 4: ... 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...

Page 5: ... 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 3 2 1 ...

Page 6: ... 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 Fig 2 Installation Dimensions 58 2 59 9 80 6 60 3...

Page 7: ...ction box or other support The base has a number of openings to allow for mounting to various junction boxes 6 Feed the power and signal wires through the rectangular opening in the base 7 Connect the wires to the terminal connector located in the base as indicated in Fig 3 See also Wiring Connections in Fig 5 8 If RS 485 sensors are being tied into a control device insert a two position jumper in...

Page 8: ...0 GB Fig 3 Connecting Wires to Terminal Connector Fig 4 Attaching or Removing the Cover 1 Grasp here to release 4 places 2 Pull on top to verify attachment 3 Pull on bottom to verify attachment 4 Twist to release 4 places 2 1 1 4 OR 3 ...

Page 9: ...GB MSA DESCRIPTION Chillgard M 100 9 Fig 5 Wiring Connections MSA ModBUS Label Current Output Voltage Output ...

Page 10: ...connection Gas out mA Gas reading as current 4 20 mA 0 1000 ppm Gas out V Gas reading as voltage 2 10 V 0 1000 ppm RH out mA Relative humidity as current 4 20 mA 0 100 RH RH out V Relative humidity as voltage 2 10 V 0 100 RH Temp out mA Temperature as current 4 20 mA 30 C to 70 C Temp out v Temperature as voltage 2 10 V 30 C to 70 C RS 485 out b RS 485 ModBUS b RS 485 out a RS 485 ModBUS a ...

Page 11: ... use of the following MSA equipment P N 603806 Polyurethane Tubing P N 467896 1 5 LPM regulator A calibration check of the sensor requires a supply of ZERO GAS air or nitrogen Ambient air may be used if it does not contain refrigerant gas or an interfering component SPAN GAS Cylinder comprised of 100 ppm of the refrigerant gas of interest 3 2 Calibration Gases Description Concentration R 123 in Ni...

Page 12: ... 1 Deactivate any equipment connected to the outputs or disconnect the wiring of the outputs 2 With the tubing connected to the regulator and cylinder place tubing in the opening at the bottom of the sensor Fig 6 3 Open the regulator and apply gas for a minimum of five minutes 4 If the unit is operating properly the red LED illuminates when concentration level is 50 ppm is visible through the cali...

Page 13: ...at 0 5 Hz during start up Turns ON solid when concentration reading exceeds 50 ppm Yellow Flashes at 0 5 Hz when power supplied is outside limits Turns ON solid during other fault condition 4 2 Control Modules The sensor output can be connected with a control module providing a complete monitoring system Operating Manual of the control module During a fault the current output drops to 2 mA or volt...

Page 14: ...ature 10 msb Lamp Fail 40 msb Test Mode 80 msb Warm Up Complete 0 lsb Cal Setup 2 lsb Factory Mode 4 lsb Trouble Mode 8 lsb Gas Number 0x0001 2 0 to 40 see below Gas Concentration 0x0002 3 20 to 1050 ppm Temperature 0x002C 45 300 to 650 C 10 Humidity 0x002D 46 0 to 100 RH Gas Numbers R 22 6 R 123 12 R 404a 27 R 134a 15 Baud rate 19 200 each byte is eight bits with no parity and two stop bits ...

Page 15: ...addresses MODBUS ADDRESS JUMPER SETTINGS 100 101 102 103 104 105 106 107 108 109 110 111 J5 J4 J3 J5 J4 J3 J5 J4 J3 Fig 7 Jumper Settings for the RS 485 Addresses 4 5 Gas Selection Jumpers On R 22 R 404A and R 134A the gas of interest can be changed by altering the Position of jumpers J1 and J2 as shown in Fig 8 Fig 8 Gas Selection Jumper Settings ...

Page 16: ... Wiring up to 2 5 mm Class 2 copper wiring Output Options 4 to 20 mA sourcing 500 Ohm load 2 10 V 10 kOhm load RS 485 ModBUS RTU Operating Temperature 0 to 65 C 30 degrees lower temp specification with de icer option Relative Humidity RH 0 to 99 non condensing Pressure Operating 700 1080 hPa Warm up time 30 minutes Pollution Degree 2 Installation Category II Operating Range 0 to 1000 ppm Limit of ...

Page 17: ...to 1000 ppm Temperature Sensor 0 4 C at 25 C Humidity Sensor 3 RH at 50 RH and 25 C Standard Gases R22 R123 R134a R404a Approvals CE approval complies with the applicable LVD and EMC directives see also Declaration of Conformity Certified to UL Std 61010 1 and CSA 61010 Complies with ASHRAE 15 2004 Other gases are available Please check with factory for availability ...

Page 18: ...ORDERING INFORMATION MSA 18 Chillgard M 100 GB 6 Ordering Information Description Part No R 22 in Nitrogen 10086542 R 123 in Nitrogen 10086543 R 134a in Nitrogen 10086544 R 404A in Nitrogen 10086545 ...

Page 19: ...GB MSA ORDERING INFORMATION Chillgard M 100 19 ...

Page 20: ...For local MSA contacts please visit us at MSAsafety com ...

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