REPLACEMENT PARTS LIST
Contents
1. R 502 and R 134a systems Be careful when removing the pump and contents from the shipping carton If there is any apparent shipping damage to the pump the shipping company should be notified immediately and the container saved for inspection OPERATING INSTRUCTIONS WARNING Wear safety goggles when working with refrigerants Contact with refrigerant can cause eye injury Remove and discard the red shipping plug at the top of the finned reservoir 2 Fill the pump reservoir to the OIL LEVEL line on the sight glass on the front of the pump Use the oil packaged with the vacuum pump or fresh Robinair Premium High Vacuum Pump Oil available at your supplier 3 Install the black plastic operating exhaust plug Note that the operating plug is notched to allow exhaust flow CAUTION Do not attempt to operate the pump with the exhaust port plugged To do so could result in permanent damage to the pump or could cause the plug to be blown from the pump reservoir 4 Note the electric motor voltage rating and connect to the proper power source CAUTION Avoid the use of extension cords An exten sion cord may overheat and cause fire If you must use an extension cord use the shortest possible cord with a minimum size of 14 AWG You are now ready to remove the inlet cap for the appropriate inlet 4 for R 12 R 22 R 500 and R 502 2 Acme for R 134a to connect the pump to the air condit2. Safety Requirements Sound levels do not exceed 88 dB A actual value Call our toll free roy Technical Support Line 1 800 822 5561 in the continental U S or Canada or visit our web site www robinair com In all other locations contact your local distributor To help us serve you better please be prepared to provide the model number serial number and date of purchase To validate your warranty you must complete the warranty card attached to your unit and return it within ten days from date of purchase ROBINAIR Manufactured under one or more of the SPX Corporation following patents U S 4 523 897 655 Eisenhower Drive 4 631 006 Other Patents Pending Owatonna MN 55060 0995 USA Technical Services 1 800 822 5561 Fax 1 800 822 7805 Customer Service 1 800 533 6127 Fax 1 800 322 2890 115249 Rev B 02 15 03 Web Site www robinair com 8 2000 SPX Corporation
3. at 60 Hz 502 or R 134a R SPX AROBINAIR Models 15234 15226 15296 Two Stage Vacuum Pump For use with refrigerants R 12 R 22 R 500 PARTS IDENTIFICATION INLET CAP INLET TEE FITTING BLACK EXHAUST PLUG NOTE VENT HOLE 1 2 ACME INLET RED SHIPPING PLUG R 134a REMOVE AND DISCARD SS GAS ee gr MFL INLET BALLAST R 12 22 500 502 VALVE A WARNING A Use separate manifolds and hoses for R 134a systems Cross contamination with other refrigerant types will cause severe damage to the A C systems and to service tools and equipment Do not mix refrigerant types through a system or in the same container For use on A C systems using CFCs HCFCs and HFCs in conjunction with mineral oil ester oil alkylbenzene oil and PAG oil as lubricants Not for use with ammonia or lithium bromide systems Not for use with flammable refrigerants 2 2000 SPX Corporation INTRODUCTION Your vacuum pump has been factory tested and meets Robinair s stringent quality standards This high performance pump will provide you with years of trouble free service if you follow these instructions for operating and maintain ing the pump The pump s offset rotary vane design provides high efficiency operation The motor is properly sized to ensure 32 F 0 C starting at 90 percent of the rated voltage And the inlet tee fitting lets you use one pump for R 12 R 22 R 500
4. pump is returned for a warranty claim and the claim is determined to be invalid a minimum service charge plus the cost of repair parts and return freight will be charged Final determination of valid warranty claims will be made by Robinair Owatonna MN The warranty shall not apply to any product or part which has been subject to misuse negligence or accident The Seller shall not be responsible for any special or consequential damages and the Warranty as set forth is in lieu of all other warranties either expressed or implied However the Seller makes no warranty of merchantability in respect to any of the goods offered in the manual and any applicable manufacturer s shop or service manuals referred to therein including any subsequent service bulletins 6 2000 SPX Corporation OUT OF WARRANTY Any Robinair high vacuum pump which is beyond the one year warranty period and fails to operate correctly should be returned to the distributor with a full written explanation of the problem or you may return it yourself to one of the authorized Robinair Service Centers for repair Go to Robinair com or call 1 800 822 5561 for instructions on returning a pump Prior to returning an out of warranty pump review all maintenance procedures to avoid an unnecessary return Note that contaminated oil or an incorrect oil level will adversely affect pump performance These conditions should be checked before requesting service Replacement
5. aust plug CLEANING THE PUMP Clean the pump with soap and water only Do not use commercial cleaners that contain degreasing agents that can damage polycarbonates The pump handle and base are made of Lexan one of the toughest polycarbonate plastics available However it is sensitive to degreasing agents Lexan is a registered trademark of General Electric TROUBLESHOOTING TIPS Before returning any Robinair vacuum pump in or out of warranty review the following troubleshooting guide Failure To Pull Good Vacuum 1 Verify the gauge and connections are leak free and in good condition You can confirm this by monitoring vacuum with a thermistor vacuum gauge while applying vacuum pump oil at connections or suspected leak points The vacuum will improve briefly while the oil seals the leak then revert to the previous level Note Checking pump vacuum through a charging hose is not recommended Refrigerant and other contaminants contained in the hose may adversely affect the vacuum reading 2 Verify the pump oil is clean A badly contaminated pump may require several oil flushes see Changing the Oil before you are able to reach the rated vacuum level 3 Verify the oil is at the proper level For proper vacuum operation the oil must be level with the sight glass oil line Overfilling will not affect vacuum operation but may result in oil blowing from the exhaust during free air operation 4 Verify the gas ballast val
6. ioning system Follow the system manufacturer s directions for evacuation Vacuum Pump Models 15234 15226 15296 3 USING THE GAS BALLAST Vented Exhaust All Robinair high vacuum pumps feature a gas ballast for more thorough evacuation and longer pump life As vapors from an A C or refrigerant system containing more than the average amount of moisture pass through a vacuum pump they condense into liquid and combine with the vacuum pump oil When these vapors mix with the oil it becomes contaminated raises the vapor pressure of the vacuum pump oil and reduces the pump s ability to reach its ultimate attainable vacuum Opening the ballast valve purges a small amount of atmospheric air through the exhaust chamber This extra volume of air mixes with the vapors from the A C or refrigerant system prevents them from being condensed and helps them to be exhausted from the pump in vapor form After the pump has started the gas ballast valve see diagram on page 2 should be opened until the system has reached approximately 1000 microns At this time close the valve to allow the pump to pull its ultimate vacuum level The gas ballast valve may be opened or closed at any time during pump operation The valve is fully open at two turns counterclockwise SHUTTING DOWN THE PUMP Follow these procedures when shutting down your pump to ensure long life and easy starting 1 Shut off all gauges to the A C system 2 Close any valve be
7. parts are available if you desire to repair your own pump However this should be considered only in out of warranty situations SPECIFICATIONS MODEL 15234 15226 15296 Number of Stages 2 2 2 Free air Displacement 1 2 cfm 1 2 cfm 1 0 cfm Factory Micron Rating 50 50 50 Oil Capacity 5 oz 5 oz 5 oz 148 ml 148 ml 148 ml Weight 10 Ibs 10 Ibs 10 Ibs 4 54 kg 4 54 kg 4 54 kg Width 41 2 41 2 41 2 11 4 cm 11 4 cm 11 4 cm Length 913 16 913 16 913 16 25 cm 25 cm 25 cm Height 81 2 81 2 81 2 21 6 cm 21 6 cm 21 6 cm Intake Fittings 1 2 Acme 1 2 Acme 1 2 Acme 1 4 MFL 1 4 MFL 1 4 MFL Motor Size 1 hp 1 hp 1 hp Capacitor Capacitor Capacitor Start Start Start Voltage 110 115V 220V 250V 50 60 Hz 50 60 Hz 50 Hz Operating 185 F 185 F 185 F Temperature 85 C 85 C 85 C 1 2 cfm at 60 Hz 1 cfm at 50 Hz Because of ongoing product improvements we reserve the right to change design materials and specifications without notice Vacuum Pump Models 15234 15226 15296 7 REPLACEMENT PARTS LIST PART NO DESCRIPTION 15195 Inlet Tee 1 4 MFL and 1 2 Acme 41184 Handle includes switch 48104 Gas Ballast Valve 13191 Exhaust Plug 15135 Shell and Sight Glass Assembly no drain 41186 Base and Foot Assembly NOTICE AIRBORNE NOISE EMISSIONS This equipment has been tested for airborne noise emission per the Council Direc tive for Machinery 89 392 EEC Section 1 7 4 Instructions Essential Health and
8. teween the pump and the A C system 3 Turn off the pump Open the inlet port to the atmosphere immediately at shutdown 4 Cap the inlet port immediately to prevent any contamination or loose particles from entering the port For maximum performance Robinair recommends charging vacuum pump oil after each use Use only a high quality oil Robinair recommends its Premium High Vacuum Pump Oil which has been specially blended to maintain optimum viscosity at high and low operating temperatures CHANGING THE OIL 1 Verify the pump is warmed up and the inlet is opened to atmosphere 2 Disconnect the pump from the A C electrical power source 3 Remove the black operating exhaust plug from the top of the pump reservoir 4 Hold the pump upside down tilting it forward and backward to drain all the oil from the reservoir into a suitable container 4 2000 SPX Corporation Note If the drained oil is badly contaminated the pump may need to be flushed If flushing is necessary run the pump CAUTION To prevent damage to the pump do not run the pump more than 30 seconds without any oil and slowly pour clean oil through the pump inlet being careful not to slug or bog down the pump Drain the oil and repeat this procedure as necessary before going to Step 5 Refill the pump reservoir to the OIL LEVEL line on the sight glass with fresh Robinair High Premium Vacuum Pump Oil Nn 6 Replace the black operating exh
9. ve is fully closed Vacuum Pump Models 15234 15226 15296 5 FAILURE TO START 1 Check the line voltage Your vacuum pump is designed to start at minus ten percent of rated voltage and at 32 F 0 C However at or near these extremes there may be some hesitation in starting 2 If the pump is accidentally shut down in a vacuum condition the pump may hesitate when restarted This is because the vacuum pump oil has been drawn into the pump module The pump will run normally after clearing the oil from the module Oil Leakage 1 Verify the oil is not a residual accumulation due to spillage overfilling or similar causes 2 If the pump is actually leaking oil you may have to replace the O ring in the end shell or return the pump to the factory for servicing WARRANTY Robinair high vacuum pumps are warranted against defects in material or work manship for a period of one year of normal use from date of purchase If within one year from date of purchase the vacuum pump should prove faulty due to manufacturer error return it to the distributor from whom you originally purchased the vacuum pump You must provide the distributor with proof of purchase and the warranty claim check tag which is supplied with each vacuum pump Upon determining that a valid warranty claim exists the Robinair distributor is authorized to exchange the faulty vacuum pump for a new vacuum pump of the same model at no additional charge If a vacuum
Download Pdf Manuals
Related Search