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ZR54K5E-PFV-800 Scroll Compressor 208-230V 1PH 4.5 Tons R-22 For Copeland. After the compressor arrived at the third-party warehouse, improper storage caused the unit to be placed upside-down, resulting in partial leakage of refrigeration oil inside the compressor. The issue can be fixed by topping up with POE (Polyol Ester) synthetic refrigeration oil, and the compressor will function normally after oil replenishment. This operation must be performed by a qualified HVAC technician in accordance with standard proper procedures. Welding & Troubleshooting Operation Specifications. Replace the filter and clean the condenser (clean the air-energy water heater condenser with special cleaning solution and soak it). Power on and test the unit. Proceed with welding only after confirming the exhaust pipe works normally. Troubleshooting & Dismantling Methods for Common Faults. Compressor fails to run after power-on. Solution: Adjust the three connecting wires one by one until normal exhaust is achieved. Note: Do not keep the power on for too long. There is only one correct wiring combination among all 6 wiring arrangements. Compressor overheat protection activates 10 minutes after startup. Cause: Poor system heat dissipation and excessive compressor load. Solution: Replace the filter and clean the condenser. Compressor has no pressure and makes abnormal noisesCause: Wiring reversal. Solution: Adjust the three connecting wires until the compressor runs in the correct direction. Vacuum pumping is mandatory before refrigerant charging. Never invert the refrigerant cylinder during charging. Pre-welding & Installation Safety Reminders. ? Mandatory Pre-operation Requirements. Always perform a test run before welding. The system is free from water ingress. No blockages exist in the system. The expansion valve is functioning properly. Proceed with installation only after all above checks are confirmed satisfactory. Direct installation without prior inspection and test run may result in faults including excessive operating current, compressor vibration, and system protection activation. ??? Hidden risk: The refrigerating oil inside this compressor is used to lubricate the bearings. During transportation, the refrigerated oil may flow into the refrigerant pipeline. Skipping the standing-off step will result in insufficient oil quantity, bearing jamming and compressor damage after two days of operation. ? After receiving, it is necessary to let it stand for 4-6 hours to allow the oil to flow back into the crankcase. Do not install and start it directly. ? Before the compressor is turned on for the first time, the crankcase heater must be activated 12 hours in advance. ??? Hidden risk: When not preheated, the refrigerant will dilute the POE lubricant, resulting in lubrication failure and bearing damage. This can occur within just two days. ? The inclination angle of this single compressor during operation must not exceed 15 degrees; otherwise, it cannot ensure that the refrigeration oil can properly cover the lubrication components such as bearings. ? Professional HVAC technicians are required for the installation process. Do not attempt it yourself!! We want you to be delighted with your part! Please review these details for a perfect fit. ZR54K5E-PFV-800 (1PH Single Phase). Core Specifications (60Hz, R22). Nominal Cooling Capacity: 53,500 BTU/h (4.5 HP). Power: 4.5 HP / 4,850 W. Refrigerant: R22, compatible with R407C/R134a. Rated Load Current (RLA): 21.8 A. Max Operating Current: 34 A. Locked Rotor Current (LRA): 146 A. Oil Type: POE Polyester Oil. Suction Line: 7/8 ODF. Discharge Line: 1/2 ODF. 35.4 kg (78 lbs). Application: Medium & High Temperature HVAC System. Hermetic Scroll Air Compressor 1(As shown in the pictures). Because the warehouse and technical staff need to check the specific information. If you choose other reasons to return, the processing time will be longer. Because we need to consult technical personnel and warehouse personnel, sometimes the response of customer service may not be timely, please wait for a while, we will respond to you as soon as possible. Please do not leave a negative comment without. Us, as this is. Not what we want from each other. You for your kind understanding.

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