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M I C R O T H E R M O T E C H N O L O G I E S ™
023-037X MT-IR Leak Detector
Specifications and Quick Install Guide
Document No. 70-PHW-1025-R0.6
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Summary of Contents for Parker 023-037X
- Page 1 M I C R O T H E R M O T E C H N O L O G I E S ™ 023-037X MT-IR Leak Detector Specifications and Quick Install Guide Document No. 70-PHW-1025-R0.6 No part of this publication may be reproduced,...
- Page 2 Typical applications include: HVAC Chiller Equipment Rooms Refrigeration Mechanical Rooms Food Processing Plants Refrigerated Rooms 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
- Page 3 Linear 4 to 20 mA signal intervals POWER & WIRING 12 to 32 Volts DC OPTIONAL RELAY Three conductor, 18 AWG Remote SPDT Output1 set to 500ppm unshielded Remote SPDT Output2 set to 1000ppm 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
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Page 4: Mounting Instructions
MOUNTING INSTRUCTIONS 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc... - Page 5 18 to 24 inches from the ceiling. Do not place the sensor closer than 10 feet from the coil or directly in the discharge air path to avoid temperature fluctuations due to defrost and violent air circulation. 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
- Page 6 Sensor cable shall have the minimum specifications: -For cable runs of 0 to 1000 feet 18 AWG, 3 or 4 Stranded Wire. 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
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Page 7: Sensor Wiring
This will prevent ground loop to affect signal accuracy. Default relay threshold settings are 500ppm and 1000ppm. Different setting is available on special order. Relay and power supply should be installed in a control panel. 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc... - Page 8 1. In configuration mode pick a sensor object in the components box 2. Fill the form as follow: Select in this order the Gas Concentration Physical Type name, the Micro Thermo Manufacturer and the 023-037X Sensor Model then click OK. Note: If 023-037X sensor model is...
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Page 9: Operation
Switch 7 - is used to tell the microprocessor on board whether the sensor will be utilized as a network system sensor or as a stand-alone sensor. Network SW7 = OFF Standalone (4-20mA) SW7 = ON Switch 8 - is not used 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc... - Page 10 255 ohms, 1%, 1/4W between the input and common to make 1 to 5V signal 523 ohms, 1%, 1/4W between the input and common to make 2 to 10V signal 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
- Page 11 3) Next run the measured refrigerant gas into the sensor for about 5 minutes. The difference between the artificial measured gas reading and the artificial zero level reading should be close to the 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
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Page 12: Maintenance Schedule
See step 4 of quick start above for more. Measured gas calibration should only be necessary for testing accuracy and if the sensor fails to pick up a leak and is suspected of being damaged or faulty. 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc... -
Page 13: Troubleshooting
5 to on. If the MTA reads about 200 there could be a sensor problem, contact technical support. If it still reads full scale double check for missing resistor. How old is the sensor? 70-PHW-1025 R0.6 023-037X MT-IR Refrigerant Leak Detector spec & Install.doc...
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