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Summary of Contents for Fieldpiece MR45UK 110VAC
- Page 1 Fieldpiece ® Refrigerant Recovery Machine OPERATOR'S MANUAL Model MR45UK 110VAC...
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Page 2: Table Of Contents
Contents Functions Safety Information Self Test Self Purge Warnings Purging a Recovery Cylinder What’s Included 80% Overfill Sensor Cable Port Direct Liquid/Vapor Recovery Description Push/Pull Recovery Features Troubleshooting Status Messages Certifications Other Symptoms Specifications Maintenance Performance Data General Tech Tips Mesh Screen Filter General Limited Warranty... -
Page 3: Safety Information
Safety Information WARNING FAILURE TO HEED THESE HAZARDS AND ACTIONS CAN RESULT IN Read, understand, and follow this entire SERIOUS INJURY OR DEATH: manual, with special attention given to Warning • Machine is only rated for use on 110VAC mains power and Caution statements before operating this •... -
Page 4: What's Included
What’s Included • Bond the recovery machine outlet port to the recovery tank’s unpainted fitting with a grounding strap to dissipate static electricity build up • MR45UK Refrigerant Recovery Machine during during recovery process • 10 Extra Mesh Screens for Input Port •... -
Page 5: Description
Description Features • Lightweight (10 kg) The MR45UK is the first variable speed DC • Smooth and Fast Operation (746 Watt DC Motor) motor recovery machine with a digital display Digital Display with Status Messages • Recover refrigerant easier and quieter than ever •... -
Page 6: Specifications
Specifications Performance Data Display: 2 x 10000 count LCD with status messages Refrigerant R134A R407C R410A Backlight: Blue color Measurement rate: 3.3 times per second, nominal Push/Pull Recovery Input Port Pressure Sensor Range: (kg/min) -76 cmHg to 4100 kPa (-30” Hg to 600 psig) Output Port Pressure Sensor Range: Liquid Recovery -76 cmHg to 4100 kPa (-30”... -
Page 7: Tech Tips
Tech Tips Ensure there’s enough room in the recovery cylinder to not exceed 80% filled during the job, or monitor and have a second cylinder ready. General Always purge hoses before recovery. If cylinder is too hot, use an Store in the self purge or recover position. Do not store in the ice bath to reduce the temperature and pressure of the cylinder. -
Page 8: Controls
Power Cord Storage Port Routing Control Knob Controls Mesh Screen Filter Backlit Digital Dual Display and Buttons Output Port Input Port Fixed Power Cord Port and Plug 80% Overfill Sensor Port (Cable Not Included) Power Switch (Shown ON) -
Page 9: Display And Buttons
Display and Buttons OK TO START Motor stopped. Temperatures, voltages, and pressures are currently safe to start the motor again. Input Pressure Output Pressure COMPLETE Motor stopped. Purge or recovery has reached 25 cmHg or 50 cmHg (10”Hg or 20”Hg) vacuum for 10 sec. Tank 80% Full Motor stopped. -
Page 10: Port Routing Control
Port Routing Control RECOVER • Input and Output fully open. CLOSED • Set to this fully open position for most of the recovery process. • Input and Output closed. • Set to either closed position to close off both ports during setup. RECOVER (throttled) •... -
Page 11: Mr45Uk Refrigerant Flow
MR45UK Refrigerant Flow Dynamic Pressure Measurement Refrigerant liquid and vapor are pulled through MR45UK pressure readings are designed only the machine by the pressure difference created for monitoring pressures Do not use MR45UK for by the compressor For maximum performance, diagnostic pressure measurements increase the IN pressure and reduce the OUT If a system’s pressure is stable, MR45UK... -
Page 12: Functions
Purging a Recovery Cylinder Functions When the cylinder pressure is higher than Self Test expected you may have non-condensables at the top of the cylinder Use a second deeply evacuated Perform this test to ensure the high pressure cylinder to pull out the non-condensables cutoff and pump are operational 1. -
Page 13: Direct Liquid/Vapor Recovery
Direct Liquid/Vapor Recovery Overfill Sensor This is the typical recovery method Vapor and (optional) liquid lines are routed through your manifold, into MR45UK, and out to the recovery cylinder CAUTION: Understand all class A2L refrigerant warnings and notices if Cylinder applicable (pages 4-6). -
Page 14: Push/Pull Recovery
Push/Pull Recovery Overfill Sensor This method is only for larger systems with at (optional) least 14 kg of liquid refrigerant It’s used to recover liquid before recovering vapor CAUTION: Understand all class A2L refrigerant warnings and notices if Cylinder applicable (pages 4-6). 1. -
Page 15: Troubleshooting
Troubleshooting Motor Fault 2 (“throttle” shows on display) Motor current (amps) rose above operating range. Motor stopped. Extremely high ambient temperature, harsh liquid slugging, extended Status Messages recovery time, or high cylinder pressure can be the cause. Throttle RECOVERY and start the motor. If fault occurs again, throttle even more Tank 80% Full and start the motor (page 19). -
Page 16: Maintenance
Maintenance Securing Hex Nut General Wipe with damp cloth to clean the exterior Do not use solvents To extend the life of internal seals, occasionally pump a teaspoon of mineral oil through MR45UK Grooved Input Fitting Mesh Screen Filter When the mesh screen filter becomes dirty and clogged, it means it’s working to keep your O-ring MR45UK working well for a long time You need... -
Page 17: Limited Warranty
Fieldpiece shall not be liable for loss of use of the machine or other incidental or consequential damages, expenses, or economic loss, or for any... - Page 18 MR45UK © Fieldpiece Instruments, Inc 2022; v01...
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