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Installation - TM-5-4120-361-14_97
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TM-5-4120-361-14 Air Conditioner Vertical Compact 18 000 BTU/HR 208 Volts 3 Phase 50/60 Hz (Model 18K 208 3 60) Manual
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Removal - TM-5-4120-361-14_99
TM 5-4120-361-14 stall 5-24. a. drier (6) Refer to figure 4-4 and in- top  front  cover. D e h y d r a t o r. General. The dehydrator (filter- is to be replaced whenever the refrigeration system is opened for maintenance. 1. Caution should be exer- cised with fluorocarbon re- frigerant gas (freons) as they can displace oxygen and there- by cause suffocation. 2. Personnel with a history or other evidence of cardiac rhythm abnormalities should be made aware of the potential for aggravation of existing cardiac rhythm abnormalities or the induction of arryth- mias, as a result of exposure to fluorocarbon refrigerant gases  (freons). Such  individ- uals should be evaluated by local medical authorities be- fore working in environments where potential freon exposure may  occur. b. Removal. (1) Refer to figure 6-1 and dis- charge the refrigerant system. (2) Refer to figure 4-4 and re- move housing rear top cover. (3) Refer to figure 5-7 and re- move  screws,   washers and dehydrator clamps. (4) Unscrew flare nuts and remove dehydrator. c. Installation. (1) Refer to figure 5-7 and con- nect dehydrator to refrigerant system tubing by tightening flare nuts. Use sealing compound on screw threads. (2)  Attach  clamps  to  dehydrator. (3) Refer to para 5-6 and leak test  the  refrigeration  system. (4) Refer to figure 6-1 and purge the refrigeration system. (5) Refer to figure 4-4 and in- stall housing rear top cover. 1. Caution should be exer- cised with fluorocarbon re- frigerant gas (freons) as they can displace oxygen and there- by cause suffocation. 2. Personnel with a history or other evidence of cardiac rhythm abnormalities should be made aware of the potential for aggravation of existing cardiac rhythm abnormalities or the induction of arryth- mias, as a result of exposure to fluorocarbon refrigerant gases  (freons). Such  individ- uals should be evaluated by local medical authorities be- fore working in environments where potential freon exposure may  occur. (6) Refer to figure 6-2 and charge the refrigerant system. 5-25. Liquid Line and Pressure Equal- izing Solenoid Valves L1 and L2 a. General. L1 and L2 are elec- trically-operated valves, which close when electrical power is applied to the solenoid  coils. Both are alike, only the usage is different. L2 which opens when the air conditioner is switched off the  cooling  mode,   allows low side and high side pressures to equalize. When the air in the conditioned space has lowered to the thermostat (S8) setting, L1 opens allowing refrigerant to bypass the expansion valve thereby  discon- tinuing cooling without shutting down the  compressor. 5-18

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