Carrier 05FY/HY Series, Installation, Start-Up And Service Instructions Manual

Page 1: ...quipment INSTALLATION Receive and Inspect Unit Inspect shipment for damage File claim with the shipping company if shipment is damaged or parts are missing Local water conditions can cause excessive fouling or pitting of condenser tubes If such conditions are anticipated a water treatment analysis is recommended Refer to Carrier System Design Manual Part 5 for general water conditioning informatio...

Page 2: ...tage is greater than 2 Use the following formula to determine the voltage imbalance Voltage Imbalance Example Supply voltage is 240 3 60 AB 243 volts BC 236 volts AC 238 volts Determine maximum deviation from average voltage AB 243 239 4 volts BC 239 236 3 volts AC 239 238 1 volt Maximum deviation is 4 volts Determine voltage imbalance This amount of phase imbalance is satisfactory as it is below ...

Page 3: ...5 9 16 9 5 16 460 575 78 43 3 4 2 3 4 34 26 1 21 5 9 16 9 5 16 D044 208 230 69 1 2 49 3 4 2 3 4 34 27 1 2 1 21 4 1 8 8 5 8 460 575 69 1 2 49 3 4 2 3 4 34 27 1 2 1 21 4 1 8 8 5 8 NOTES 1 For standard service practices such as trouble shooting and refrigerant charging allow a minimum 2 6 clearance around the unit 2 Recommended service space for condenser tube removal is one condenser length at eithe...

Page 4: ...2 460 575 501 4 29 367 8 11 2 26 1 191 2 W044 208 230 501 4 35 367 8 11 2 271 2 1 191 2 460 575 501 4 35 367 8 11 2 271 2 1 191 2 Fig 3 06E Hermetic Compressor Units Fig 4 06E Compressors NOTES 1 For standard service practices such as troubleshooting and refrigerant charging allow a minimum 2 6 clearance around the unit 2 For compressor removal allow a minimum 3 wide access aisle to and from the u...

Page 5: ...tive COMPRESSOR MOTOR DATA CIRCUIT BREAKER Compressor PartNumber 06E Voltage 3 Ph 60 Hz Hp Maximum Must Trip Amps Maximum RLA LRA XL LRA PW first winding Motor Winding Resistance Ohms Recommended Circuit Breaker Part No MHA MTA LRA Recommended RLA A 250 208 230 20 108 87 345 207 0 32 HH83XB336 91 104 350 74 3 575 45 36 120 72 2 2 XA461 33 38 124 27 1 460 54 44 173 104 1 3 XA424 42 49 175 35 0 265 ...

Page 6: ...ntact rating must be 25 va 5 60 Hz units have 120 volt control circuit 50 Hz units have 230 volt control circuit A separate source of supply at the correct voltage must be field supplied through a fused disconnect device with a maximum rating of 15 A to TB2 connections Hot Side and Neutral 6 Open control circuit disconnect switch for servicing only Discon nect must remain closed for crankcase heat...

Page 7: ...oil fill plug above bull s eye add oil through plug hole and replace plug Run compressor for about 20 min utes and check the oil level TO REMOVE OIL Pump down compressor to 2 psig Loosen the 1 4 in pipe plug in compressor base and allow the oil to seep out past the threads of the plug The crankcase will be under slight pressure Be careful not to remove the plug the entire oil charge may be lost Ta...

Page 8: ...er Functions See Fig 7 Timer Cycle 1 Switch A contacts A A1 and A A2 provides Time Guard function Start of compressor is delayed approxi mately 5 5 minutes after shutoff The minimum time between starts of compressor is 8 minutes 2 Switch B contacts B B1 and B B2 starts compressor and deenergizes the crankcase heater These contacts also provide one second time delay for part winding start 3 Switch ...

Page 9: ...his assures compressor protection even when main unit power disconnect switch is off Compressor Thermal Protection A discharge temperature sensor installed in one cylinder head detects an overtemperature condition If the discharge temperature exceeds 295 5 F the sensor contacts open and the compressor shuts down The sensor reset temperature is 235 F minimum See Fig 8 for control circuit connection...

Page 10: ...alves One side bank cylinder head is a bypass unloading type plugged with a spring loaded piston plug assembly As received the compres sor will run fully loaded Replacing Suction Cutoff Unloading Heads When the original compressor is equipped with suction cutoff unloading head s the complete cylinder head and control valve assem blies must be transferred to the service replacement compres sor See ...

Page 11: ...11 NOTE Pressure operated control valve shown A solenoid operated control valve can also be used Fig 10 Suction Cutoff Unloader Operation ...

Page 12: ... Oil Sight Glass Lock Washer 19 Pipe Plug Hex Head 20 Crankshaft 21 Ring Spacer when required 22 Bearing Washer 23 Connecting Rod and Piston Assembly 24 Connecting Rod and Cap Assembly 25 Piston Piston Pin and Retaining Ring Package 26 Piston Rings Oil and Compression 27 Terminal Plate Assembly 28 Terminal Bolt Assembly 29 Terminal Box 30 Terminal Box Mounting Screw 4 31 Suction Valve 32 Valve Pla...

Page 13: ...5 lb ft torque Bolt drive segment to crankshaft 4 Insert the oil feed guide vane with large diameter inward Place oil feed guide vane spring over small diameter of guide vane 5 Install pump cover plate SIZE DIAM in THREADS PER IN TORQUE RANGE lb ft USAGE 1 16 27 pipe 8 12 Pipe Plug Crankshaft 1 4 18 pipe 20 25 Pipe Plug Crankcase 1 4 20 8 10 Conn Rod Cap Screw 8 12 Junction Box 1 4 28 3 5 Sight Gl...

Page 14: ...ck ets and suction valves on dowel pins backer is under the valve see Fig 15 Place valve plate on cylinder deck and reinstall discharge valve assembly Retorque discharge valve stop cap screws to 16 lb ft Replace cylinder head Be sure tab on cylinder head gasket is lined up with tabs on cylinder head and valve plate Terminal Plate Assembly If there is a refrigerant leak between the terminal plate a...

Page 15: ...1 Check ring gap by inserting each ring separately in cylin der approximately 3 8 in from top Ring gap should be between 0 002 in and 0 007 inch 2 Install compression ring in top piston groove with either side up no difference Install oil ring below compression ring with notched end on bottom Stagger ring gaps 180 degrees 3 Measure side clearance between ring and piston Table 6 Check rings for fre...

Page 16: ...above stator temperature Check stator for damage to windings and lead wires Use a megohmmeter to check for grounds or shorts between windings Motor Replacement STATOR AND ROTOR Install stator halfway into hous ing Insert the terminal leads first guiding them to terminal plate opening as stator is being inserted Replace ring spacer Fig 11 item 21 on crankshaft Ease rotor onto shaft until it begins ...

Page 17: ... strainer If filter drier or suction strainer is dirty or discolored repeat this step until system is clean Condenser Maintenance 07E Units To inspect and clean condenser drain water and remove condenser heads To drain condenser shut off water supply and disconnect inlet and outlet piping Remove drain plugs and vent plug With condenser heads removed inspect tubes for refrigerant leaks Refer to Car...

Page 18: ...CTION CONDENSER 3 TO 4 VENT PIPE 5 APPROX 1 PIPE Fig 24 Gravity Circulation SUCTION PUMP SUPPORT TANK FINE MESH SCREEN RETURN GAS VENT PUMP PRIMING CONN GLOBE VALVES 1 PIPE CONDENSER REMOVE WATER REGULATING VALVE CENTRIFUGAL PUMP 1 2 HP 30 GPM AT 35 HEAD CLOSE VENT PIPE VALVE WHEN PUMP IS RUNNING Fig 25 Forced Circulation ...

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Page 20: ...ntinue or change at any time specifications or designs without notice and without incurring obligations PC 802 Catalog No 530 607 Printed in U S A Form 06 07E 2SI Rev A Pg 20 11 21 Replaces 06 07E 1SI Book 2 2 4 4 Tab 1b 2a 2b 3a 2021 Carrier ...