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AirComm Corporation Bell Air Conditioner206L4 Installation Instructions Insert ORing Dual Fwd Evaps
AirComm Corporation Bell Air Conditioner206L4 Installation Instructions Insert ORing Dual Fwd Evaps
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INSTRUCTIONS FOR CONTINUED AIRWORTHINESS - 206EC-208M-1 Revision D Page 45 3. SYSTEM CHARGE See page 24, “Charging Procedures”. 4. EXPANSION VALVE MALFUNCTION If the cooling loss is limited to only one evaporator, it is most likely a defective expansion valve. Loss of cooling in all evaporators (assuming that there were no problems identified during steps 1 or 2) could be caused by refrigerant flow blockage at the expansion valves. This blockage could be due to ice or dirt. Replacement of the drier bottle and a thorough system evacuation might be a fix (remove the possibility of ice at the expansion valve nozzles). 5. COMPRESSOR MALFUNCTION If the system will not maintain the pressures and there are no system leaks, the problem could be a failed compressor. The compressor must then be replaced. 6. SYSTEM LEAK CHECK The system should be leak tested using an electronic leak detector. Initial leak check can be accomplished with a refrigerant charge of .5 lbs and the electronic leak detector. Each fitting should be checked and repaired prior to the final charging process. Do not use compressed air for the pressure check! Compressed air can introduce moisture in the system which will cause it to operate poorly or not at all. Take your time, and check all around each fitting. A little extra time during the leak check will save a significant amount of time later during servicing or troubleshooting. All leak checks should be conducted with the air conditioner “off”. Since the refrigerant is heavier than air, leaks are most likely detected on the underside of hoses and fittings. Also, the refrigerant can collect in low areas and provide an erroneous leak indication. A stream of “shop air” through a nozzle is useful in clearing an area just before checking for leaks. If a leak is detected at an O-ring fitting, reclaim the system and install a new O-ring. Lubricate the O-ring with refrigerant oil prior to installation. A small amount of leakage (one ounce per year) past the compressor seal is normal. Most leak detectors are sensitive enough to show a leak of this magnitude.
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS-206EC 208M-1 Revision D Page 46 Figure 20: Electrical Schematic Figure 7-1 Electrical Schematic ACCA10B20N ACCA13E20NACCA13D20 ACCA10E20N ACCA10E20 ACCA1CB20 ACCA10A20 ACCA10B20 ACCP1A4 ACCA5B12 ACCA13C20N ACCA11B20 ACCA7A12 ACCA2E14 ACCA9A18ACCA8A18ACCA5C12ACCA5D12N ACCA7B18 ACCA7D18 ACCA7C18 ACCA12C18N ACCA12B18 ACCA12A18 ACCA6B18ACCA6A12 ACCA12A20 ACCA5A12ACCA1A12 ACCA1B12 ACCA13A20ACCA13B20 ACCA16A20 ACCA15A20 ACCA3D14ACCA2D14 ACCA4E14N ACCA4D14N ACCA3E14 ACCA15B20N ACCA16B20N ACCA1E14 ACCA1D14 ACCA1C12
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS-206EC 208M-1 Revision D Page 47 Figure 21: Electrical Schematic Figure 7-2 Electrical Schematic ACCA10B20 ACCA2F16ACCA2G16 ACCA1F16ACCA1G16 ACCA2H14N ACCA13E20NACCA13D20 ACCA10E20N ACCA10E20 ACCA1CB20 ACCA10A20 ACCA10B20 ACCP1A4 ACCA5B12 ACCA13C20N ACCA11B20 ACCA7A12 ACCA2E14 ACCA9A18ACCA8A18ACCA5C12ACCA5D12N ACCA7B18 ACCA7D18 ACCA7C18 ACCA12C18N ACCA12B18 ACCA12A18 ACCA6B18ACCA6A12 ACCA12A20 ACCA5A12ACCA1A12 ACCA1B12 ACCA13A20ACCA13B20 ACCA16A20 ACCA15A20 ACCA3D14ACCA2D14 ACCA4E14N ACCA1H14N ACCA3E14 ACCA15B20N ACCA16B20N ACCA1E14 ACCA1D14 ACCA1C12
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS-206EC 208M-1 Revision D Page 48 Appendix A WEIGHT AND BALANCE DATA Correct aircraft empty weight and center of gravity as indicated below: ITEM Wt.Arm Mom. (lbs)(in.) (in-lbs) 206EC-208-1 Air Conditioner 81.70 152.9 12,492 (Standard – one Fwd. & Aft. Evap) (S-6078EC-1 aft evap- Panasonic motor.) 206EC-208-1 Air Conditioner 82.45 153.2 12,630 (Standard – one Fwd. & Aft. Evap S-6102EC-1 aft evap-Fasco motor.) 206EC-208-2 Air Conditioner 95.30 137.2 13,075 (Dual Fwd. & Aft. Evap) S-6078EC-1 aft evap - Panasonic motor.) 206EC-208-2 Air Conditioner 96.05 137.5 13,213 (Dual Fwd. & Aft. Evap) S-6078EC-1 aft evap - Panasonic motor.)