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Summary of Contents for Fieldpiece MR45INT
- Page 1 Fieldpiece ® Refrigerant Recovery Machine OPERATOR'S MANUAL Model MR45INT...
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Page 2: Table Of Contents
Operational Important Notice Class A2L Refrigerant Safety Notice Controls Display and Buttons What’s Included Status Icons and Messages Port Routing Control Warnings MR45INT Refrigerant Flow Dynamic Pressure Measurement Description Features Functions Self Test Certifications Self Purge Purging a Recovery Cylinder... -
Page 3: Important Notice
Do not use to pump flammable media, explosion risk. personnel trained in the recovery or pumping of Do not connect MR45INT to power unless the local environment has been refrigerant may operate this machine verified to be clear of combustible gas with a trusted leak detector;... -
Page 4: Description
Description Features • Lightweight (10 kg) The MR45INT is the first variable speed DC • Smooth and Fast Operation (1 HP DC Motor) motor recovery machine with a digital display • Digital Display with Status Messages Recover refrigerant easier and quieter than ever •... -
Page 5: 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 6: Safety Information
MR45INT. Read and understand this operator’s manual in its entirety before Perform self test periodically (page 24). using MR45INT to prevent injury or damage to you or equipment. Ensure power cord is not damaged. Environmental Ensure power cord is fully connected to IEC port (page 17). -
Page 7: Class A2L Refrigerants
Complete proper training for A2L refrigerant handling. Ensure availability of a Class B dry powder fire extinguisher at the job site. Self purge MR45INT before arriving at the job site. Ensure the area is clear of combustible gas before plugging into power. -
Page 8: Tech Tips General
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 ice bath to reduce the temperature and pressure of the cylinder. Store in the self purge or recover position. -
Page 9: Controls
IEC Power Cord Storage Port Routing Control Knob Controls Mesh Screen Filter Backlit Digital Dual Display and Buttons Output Port Input Port IEC Power Cord Port and Plug 80% Overfill Sensor Port (Cable Not Included) Power Switch (Shown ON) -
Page 10: Display And Buttons
The icon rotates when the motor is running. Motor stopped for unknown reason. Fault 3 (“PLug O F S” shows on display) The icon is shown when MR45INT is set to MUTE. 80% overfill Sensor not detected. Plug sensor cable into cylinder. -
Page 11: 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 12: Mr45Int Refrigerant Flow
Refrigerant liquid and vapor are pulled through MR45INT pressure readings are designed only the machine by the pressure difference created for monitoring pressures Do not use MR45INT 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, MR45INT... -
Page 13: Functions
1. After recovery is complete, set knob to SELF PURGE. This closes the IN port and routes the MR45INT condenser to the intake of the 1. Connect the overfill sensor cable to MR45INT. -
Page 14: Direct Liquid/Vapor Recovery
MR45INT stops again after vacuum reaches 50 cmHg for 10 seconds. Press STOP to manually halt recovery at any time. 14. Set knob to SELF PURGE and press START to empty MR45INT. MR45INT stops automatically after vacuum reaches 25 cmHg for 10 seconds. -
Page 15: Push/Pull Recovery
1. Before connecting, switch to OFF (O), then plug into power. 2. Switch to ON (I). Filter Drier 3. Close valves of recovery cylinder and MR45INT. 4. Set up as shown in the diagram. 5. Open valves of liquid hose and removal tool at liquid system port. -
Page 16: Troubleshooting
CLOSED. Excessive noise during liquid recovery. Motor Fault 1 MR45INT is experiencing a high load. Rotate the knob of MR45INT Motor temperature above operating range. Motor stopped. to throttle the refrigerant flow. -
Page 17: Maintenance
When the mesh screen filter becomes dirty O-ring and clogged, it means it’s working to keep your MR45INT working well for a long time You need Screen to clean or replace this screen often Visit our website for information on obtaining extra mesh screens 1. -
Page 18: 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 19 MR45INT © Fieldpiece Instruments, Inc 2018; v31...
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