Haier GE Appliances NS22HM Service Manual
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3DJH 31-5000750 Rev. 1°F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig32 100.8 48 137.1 63 178.5 231.6 110 365.0 125 141 545.633 64 181.6 80 235.3 111 370.0 126 451.8 142 552.334 105.0 50 142.2 65 184.3 81 112 375.1 127 457.6 143 35 107.1 51 144.8 66 187.7 82 242.7 303.8 113 380.2 128 463.5 144 36 52 147.4 67 83 246.5 308.2 114 385.4 145 572.837 111.4 53 150.1 68 84 250.3 312.7 115 130 475.6 146 38 113.6 54 152.8 85 254.1 100 317.2 116 131 481.6 147 586.8 115.8 55 155.5 70 200.6 86 258.0 101 321.8 117 401.3 132 487.8 148 40 118.0 56 158.2 71 87 262.0 102 326.4 118 406.7 133 601.041 120.3 57 161.0 72 207.2 88 266.0 103 331.0 412.2 134 500.2 150 608.142 122.6 58 73 210.6 270.0 104 335.7 120 417.7 135 506.5 151 615.443 125.0 166.7 74 214.0 274.1 105 340.5 121 423.2 136 152 622.744 127.3 60 75 217.4 278.2 106 345.3 122 428.8 137 153 630.145 61 172.6 76 282.3 107 350.1 123 434.5 138 525.8 154 637.546 132.2 62 175.4 77 224.4 286.5 108 355.0 124 440.2 532.4 155 645.047 134.6 78 228.0 360.0 140 Table 32. HFC-410A Temperature (°F) - Pressure (Psig)Figure 53. Using HFC-410A Subcooling Method - High Speed (High Capacity)1. THE DIAGNOSTIC SCREEN ON THE THERMOSTAT OR OUTDOOR CONTROL 7-SEGMENT DISPLAY WILL SHOW INDOOR ANDOUTDOOR MOTOR CFMS OR RPMS.2. MEASURE OUTDOOR AMBIENT TEMPERATURE.3. CONNECT GAUGE SET.4. CHECK LIQUID AND VAPOR LINE PRESSURES. COMPARE PRESSURES WITH COOLING MODE NORMAL OPERATINGPRESSURES IN THE APPLICABLE CHARGING STICKER, NORMAL OPERATING PRESSURES AT MAXIMUM CAPACITY.NOTE - THE REFERENCE TABLE IS A GENERAL GUIDE. EXPECT MINOR PRESSURE VARIATIONS. SIGNIFICANTDIFFERENCES MAY MEAN IMPROPER CHARGE OR OTHER SYSTEM PROBLEM.5. SET THERMOSTAT FOR HEAT/COOL DEMAND, DEPENDING ON MODE BEING USED:USING COOLING MODE — WHEN THE OUTDOOR AMBIENT TEMPERATURE IS 60°F (15°C) AND ABOVE. TARGETSUBCOOLING VALUES (MAXIMUM / 100% CAPACITY) IN APPLICABLE CHARGING STICKER ARE BASED ON 70 TO80°F (21-27°C) INDOOR RETURN AIR TEMPERATURE; IF NECESSARY, OPERATE HEATING TO REACH THATTEMPERATURE RANGE; THEN SET THE INITIAL COOLING DEMAND AT MAXIMUM CAPACITY. THE PREFERRED METHOD ISTO USE THE “CHARGE MODE” JUMPER ON THE OUTDOOR CONTROL. SEE CHARGE MODE JUMPER SECTION ON PAGE 80.WHEN PRESSURES HAVE STABILIZED, CONTINUE WITH STEP 6.6. READ THE LIQUID LINE TEMPERATURE; RECORD IN THE LIQº SPACE.7. READ THE LIQUID LINE PRESSURE; THEN FIND ITS CORRESPONDING TEMPERATURE IN THE TEMPERATURE/ PRESSURECHART LISTED IN THE APPLICABLE CHARGING STICKER AND RECORD IT IN THE SATº SPACE.8. SUBTRACT LIQº TEMPERATURE FROM SATº TEMPERATURE TO DETERMINE SUBCOOLING; RECORD IT IN SCº SPACE.9. COMPARE SCº RESULTS WITH APPLICABLE CHARGING STICKER, BEING SURE TO NOTE ANY ADDITIONAL CHARGE FORLINE SET AND/OR MATCH-UP.10. IF SUBCOOLING VALUE IS GREATER THAN SHOWN IN APPLICABLE CHARGING STICKER FOR THE APPLICABLE UNIT,REMOVE REFRIGERANT; IF LESS THAN SHOWN, ADD REFRIGERANT.11. IF REFRIGERANT IS ADDED OR REMOVED, REPEAT STEPS 6 THROUGH 10 TO VERIFY CHARGE.12. DISCONNECT GAUGE SET AND RE-INSTALL BOTH THE LIQUID AND SUCTION SERVICE VALVE CAPS.USECOOLINGMODEUSEHEATINGMODE60ºF(15ºC)SATºLIQº –SCº =SUBCOOLING CHARGING METHOD (All charging MUST be performed while system is operatingeither at maximum speed or 100% demand.) |
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