high discharge temp of air compressor high discharge temp of air compressor terrorist (Mechanical) (OP) 31 Aug 14 05:14. Should the discharge temperature exceed 250 degrees F, the system will likely begin to fail. With refrigerant undercharge you will have low head pressure but hi discharge temperature. Safe temperatures have CN802 QCN27 RED t. Check Point 2 . The superheat at the compresor was 65 degrees. Colder operating temperatures will yield a little extra life, but also lower the capacity of lead acid cells. roots are in excessive discharge temperatures. Today I found a condensing unit running at 265 degrees discharge temp. A restriction in the high-pressure line between the compressor and the receiver tank. Check coil of EEV Remove connector, check each winding resistance Of Coil Read wire White - Red Yellow - Red 1. 1. ... Lubrication problem and also when the air compressor is running with high discharge pressure than what required at the end use. Is the intercooler as fouled as the cylinder jackets? Hi all we have a khosla make air compressor installed in our unit. 5. The high limit temperature is always a maximum of 250 degrees F, but 225 degrees F is a more favorable high end temperature. If the valves are ok, then it is likely piston rings, assuming your suction temp is ok. 12/5/0511:24 AM. 2. What causes high discharge temperature? The higher suction tempera-ture increases the discharge temperature. Discharge of 1 st stage is passed through a water cooled inter cooler and outlet is fed to second stage. Figure A Typical effects of discharge rate on battery capacity. Restricted airflow across condenser. High Discharge Temperature Just wondering what your opinions were on running your liquid and suction lines together as a heat exchanger for medium temperature coolers. High temperatures yield higher capacity (see Figure C) but have a detrimental effect on life. High ambient temperature. A dirty condenser raises the condensing tempera-ture (and pressure), resulting in even higher dis-charge temperatures. Charge advisory. Air or non-condensables in system. The max suction temperature that a booster can handle and still operate without shutting down on high discharge temperature would be somewhere in the 120-130˚F range. 3. This is the same as a clogged drier, restriction in liquid line defective TXV bulb, high superheat,etc. Figure B I checked my superheat at the coil and it was 5 degrees. H igh discharge tem perature is the resu lt of temperatures in the compressor head and cylinders becoming so hot that the oil loses its ability to lubricate properly. Dirty condenser fins etc. 2. Charge temperature. The three causes for high discharge temperatures are: High condensing temperature. 0°C to 45°C (32°F to 113°F) –20°C to 65°C (–4°F to 149°F) Charge at 0.1C between –18 °C and 0°C. Its a two stage double acting reciprocating compressor. 4. High condensing temperatures do not necesseraly increase head pressure. How about the interstage temp? NiCd, NiMH. Discharge temperature. This Regulation establishes ecodesign requirements for the placing on the market of fluorescent lamps without integrated ballast, of high intensity discharge lamps, and of ballasts and luminaires able to operate such lamps as defined in Article 2, even when they are integrated into other energy-using products. A high suction temp at any cylinder will result in high discharge temp at that cylinder. Upvote (0) Downvote (0) Reply (0) This causes rings, pistons and cylinders to wear resulting in blow by, leaking valves, and metal debris in the oil. High suction vapor temperature, resulting from underfeeding TEVs. Failure will be in worn rings, acid formation, and oil breakdown and “carbonization” of the oil. Lower V-threshold by 3mV/°C when hot. Lead acid –20°C to 50°C (–4°F to 122°F) –20°C to 50°C (–4°F to 122°F) Charge at 0.3C or lessbelow freezing. 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