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Contents

Important Notice

Class A2L Refrigerant Safety Notice

What’s Included

Warnings

Description

Features

Certifications

Specifications

Performance Data

Safety Information

First Aid for Refrigerant Exposure
General
Environmental
Personal Protection
MR45INT Protection
Setup
Operational
Class A2L Refrigerants

Tech Tips

General

Setup
Operational

Controls

Display and Buttons
Status Icons and Messages
Port Routing Control
MR45INT Refrigerant Flow
Dynamic Pressure Measurement

Functions

Self Test
Self Purge
Purging a Recovery Cylinder
80% Overfill Sensor Cable Port
Direct Liquid/Vapor Recovery
Push/Pull Recovery

Troubleshooting

Status Messages
Other Symptoms

Maintenance

General
Mesh Screen Filter

Limited Warranty

Obtaining Service

Содержание MR45INT

Страница 1: ...Fieldpiece Refrigerant Recovery Machine OPERATOR S MANUAL Model MR45INT ...

Страница 2: ...ion Setup Operational Class A2L Refrigerants Tech Tips 14 General Setup Operational Controls 16 Display and Buttons Status Icons and Messages Port Routing Control MR45INT Refrigerant Flow Dynamic Pressure Measurement Functions 24 Self Test Self Purge Purging a Recovery Cylinder 80 Overfill Sensor Cable Port Direct Liquid Vapor Recovery Push Pull Recovery Troubleshooting 30 Status Messages Other Sy...

Страница 3: ... Screens for Input Port 3 Extra O ring for Input Port 65 cm IEC Power Cord Operator s Manual 1 Year Warranty WARNINGS Do not use to pump hydrocarbons explosion risk Do not use to pump flammable media explosion risk Do not connect MR45INT to power unless the local environment has been verified to be clear of combustible gas with a trusted leak detector explosion risk Inhalation of high concentratio...

Страница 4: ...reuseofmaterialresources Toreturnyouruseddevice please use the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling Description The MR45INT is the first variable speed DC motor recovery machine with a digital display Recover refrigerant easier and quieter than ever before Connect your hoses to the convenie...

Страница 5: ...d Power Source 190 to 255VAC 50 60 Hz 1 phase Nominal Current Draw 7 0 A Valve Single dual route ball valve Input Port Filtration 9 mm mesh screen stainless Noise Sound pressure level 70 db A Dimensions 376 mm x 250 mm x 344 mm 14 8 x 9 8 x 13 5 Weight 10 kg 22 lbs Operating Environment 0 C to 43 C 32 F to 109 F Storage Environment 20 C to 60 C 4 F to 140 F Approved Refrigerants 12 22 32 134A 143A...

Страница 6: ... as backup MR45INT Protection 1 Use only on approved list of refrigerants page 8 2 Do not use with hydrocarbons 3 Ensure mesh screen filter is installed and clean page 32 4 Use a filter drier on the input port and change it often to protect machine from contaminated refrigerants Setup 1 Ensure power switch is OFF before plugging into power 2 Repair any damaged parts before using 3 Disconnect power...

Страница 7: ...e power to nearby equipment is disconnected before opening the system 6 Ensure there are no flames or sparks in the area including cigarettes 7 Ensure the power switch is OFF 0 before plugging into power A Turn switch OFF B Plug into power C Turn switch ON D Perform and complete recovery operation E Turn switch OFF F Unplug from power 8 Always open valves of A2L refrigerant equipment slow enough t...

Страница 8: ...y for recovery but can make it more convenient and increase speed by having 2 system hook ups 4 Use a Schrader valve core removal tool to temporarily remove valve cores from service ports 5 Use the push pull method if recovering over 14 kg 30 lbs 6 Evacuate your empty recovery cylinders to 75 cmHg 29 6 Hg before use for fastest recovery 7 Know how much refrigerant you expect to recover before star...

Страница 9: ...l Knob Input Port Mesh Screen Filter Backlit Digital Dual Display and Buttons Output Port 80 Overfill Sensor Port Cable Not Included Power Switch Shown ON IEC Power Cord Storage IEC Power Cord Port and Plug 17 16 Controls ...

Страница 10: ...or 10 sec Tank 80 Full Motor stopped Overfill sensor triggered by liquid level of refrigerant in the recovery cylinder Input Closed Cannot zero pressures Open input port Output Closed Cannot zero pressures Open output port High Voltage Warning Motor stopped Voltage was above 250VAC Low Voltage Warning Motor stopped Voltage was below 200VAC High Pressure Cutoff Motor stopped Output cylinder approac...

Страница 11: ... close the IN port before you START the purge OR RECOVER Input and Output fully open Set to this fully open position for most of the recovery process OR RECOVER throttled Input and Output partially open Rotate away from RECOVER in either direction to reduce liquid slugging if knocking occurs This slows the flow of refrigerant so the machine operates more smoothly Only throttle as much as needed fo...

Страница 12: ... typically System typically Manifold knob control Condenser microchannel Dynamic Pressure Measurement MR45INT pressure readings are designed only formonitoringpressures DonotuseMR45INTfor diagnostic pressure measurements If a system s pressure is stable MR45INT pressure readings will be close to your other pressure gauges If a system s pressure is changing pressure measurements at different locati...

Страница 13: ...nder When the cylinder pressure is higher than expectedyoumayhavenon condensablesatthe topofthecylinder Useaseconddeeplyevacuated cylinder to pull out the non condensables 1 Leave pressurized cylinder undisturbed overnight 2 Use a vacuum pump to evacuate another cylinder 3 Use your manifold gauges to connect the closed vapor ports of the two cylinders 4 Measure the vapor temperature of the pressur...

Страница 14: ...e fitting at cylinder until vapor is seen Unseat hose fitting at low side of manifold to purge low side hose 9 Fully open vapor valve of recovery cylinder 10 Press START to begin recovery 11 Adjust the knob as needed to throttle refrigerant flow if liquid slugging knocking occurs 12 When liquid recovery is complete open low side of manifold for vapor recovery 13 MR45INT stops automatically after v...

Страница 15: ...own in the diagram 5 Open valves of liquid hose and removal tool at liquid system port 6 To purge air from system liquid hose briefly unseat hose fitting at cylinder s liquid port until vapor is seen 7 Fully open liquid valve of recovery cylinder and allow to pressurize 8 Set MR45INT to RECOVER 9 Press START to begin recovery 10 Fully open vapor valve of recovery cylinder 11 To purge air from hose...

Страница 16: ... 21 Motor Fault 2 throttle shows on display Motor current amps rose above operating range Motor stopped Extremely high ambient temperature harsh liquid slugging extended recovery time or high cylinder pressure can be the cause Throttle RECOVERY and start the motor If fault occurs again throttle even more and start the motor page 19 Motor Fault 3 Motor stopped for unknown reason If this occurs repe...

Страница 17: ...filter becomes dirty and clogged it means it s working to keep your MR45INT working well for a long time You need to clean or replace this screen often Visit our website for information on obtaining extra mesh screens 1 Loosen counter clockwise the securing hex nut on the IN port 2 Unscrew counter clockwise the grooved input fitting 3 Clean or replace the mesh screen 4 Hand tighten clockwise the g...

Страница 18: ... implied warranties arising from the sale of a Fieldpiece product including but not limited to impliedwarrantiesofmerchantabilityandfitness for a particular purpose are limited to the above 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 claim of such damage expenses or economic loss Local laws vary The...

Страница 19: ...MR45INT Fieldpiece Instruments Inc 2018 v31 ...

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