38GXM/40GXM Service Training GXM XPOWER MULTI HIGH WALL SYSTEM Up to 14.5 SEER (18K to 30K) Heat Pump Rated combinations 9K Features: Inverter Compressor Technology 9K 18K 2:1 Fan coils: 9, 12, 18K 12K Up to 14.5 SEER and 8.5 HSPF 12K Connect up to 51K fan coils to 30K (4:1) condensing unit 24K 2:1 9K 9K 9K 30K 4:1 9K 2 Condensing unit: 18, 24, 30K Add additional fan coils later First fan-coil determines cooling / heating mode Wireless controller only (Deg C and F) GXM XPOWER MULTI HIGH WALL SYSTEM Up to 20 Combinations 18K Outdoor Condensing Unit 2:1 (38GXM218---3) 1 Indoor Unit 9K 12K 2 Indoor Units 9K + 9K - 9K + 12K - 3 Indoor Units 4 Indoor Units - - 24K Outdoor Condensing Unit 2:1 (38GXM224---3) 1 Indoor Unit 9K 12K 2 Indoor Units 9K + 9K 12K +12K 9K + 12K - 3 Indoor Units 4 Indoor Units - - 30K Outdoor Condensing Unit 3:1 or 4:1 (38GXM430---3) 1 Indoor Unit - 3 2 Indoor Units 9K + 9K 12K +12K - 9K + 12K 9K + 18K - 3 Indoor Units 4 Indoor Units 9K +9K +9K 9K +9K +12K 9K +9K +18K 9K +12K +12K 12K +12K +18K - 9K+ 9K+ 9K+9K 9K+ 9K+ 9K+12K 9K+ 9K+ 9K+18K 9K+ 9K+ 12K+12K 9K+ 9K+ 12K+18K 9K+ 12K+ 12K+18K POWER WIRING From outdoor / independent Model Indoor Wired From Outdoor GX / GXM Yes Indoor Wired Separately INTERCONNECTING WIRING CABLE REQUIREMENTS Model MVC/MVQ/ GXC/GXQ/ RAS/RAV Conduit Required Yes* Type Of Wire 4 individual conductors min. 2/64” 60°C Ins. Gauge 50 – 150 ft Gauge 0 – 50 ft Minimum 14 AWG Use conduit if required by NEC and local codes Back to main menu Gauge 150 – 200 ft USER INTERFACE Wireless controllers - Carrier System ºC/ºF convertible GXM (Multi) Yes Timer 12 Hour Range 25 feet Dedicated AC or HP Standard / Optional HP Only Standard CARRIER DFS FAMILY OPERATING RANGE – GXM NO LOW AMBIENT CONTROLS AVAILABLE Refrigeration Components Metering Device – Electronic Expansion Valves in Outdoor Unit Reversing Valve – Energized in Heating REFREGERANT PIPING 38GXM/40GXM series allowable line lengths/sizes Refrigerant Line lengths ft (m) Unit Size 18 K 24 K Total Piping 124 (38) 124 (38) Max Pipe Length to 82 (25) 82 (25) Any One FCU Max Elevation 49 (15) (ID over OD) Max Elevation 33 (10) (OD over ID) Unit Size 18 & 30 K 24 K Pipe Sizes* Mix Phase 1/4" 1/4" 30 K 230 (70) 82 (25) Vapor 3/8" 1/2" * Unit can have 2 or 4 service valves with the same pipe sizes Back to main menu REFREGERANT PIPING 38GXM/40GXM series conversion joints Conversion Joints Model Qty. and Type When Used 38GXM218---3 1 x (9 to 12 joint) Connecting Size 12 K FCU 38GXM224---3 2 x (12 to 9 joint) Connecting Size 9 K FCU 38GXM430---3 3 x 9 to 12 joint) Connecting Size 12 or 18 K FCU Back to main menu LONG-LINE GUIDES 38GXM/40GXM series additional charge and capacity reduction Item Additional Charge per foot needed above minimum feet (oz./Ft) Cooling: Total System Capacity Degradation 38GXM018 (Total Pipe Length all Lines) 38GXM024 (Total Pipe Length all Lines) Maximum Length of any line is 75 ft, with a total Maximum Length of any line is 82 ft, with a total maximum of pipe length of 150 ft with all indoor maximum of pipe length of 164 ft with all indoor units units 38GXM030 (Total Pipe Length all Lines) Maximum Length of any line is 82 ft, with a total maximum of pipe length of 230 ft with all indoor units 100 Ft (Min.) 140 Ft 180 Ft 230 Ft 50 Ft (Min.) 90 Ft 130 Ft 150 Ft 50 Ft (Min.) 90 Ft 130 Ft 164 Ft 0.00 0.23 0.23 0.23 0.00 0.17 0.17 0.17 0.00 0.54 0.54 0.54 0.0% 1.4% 2.8% 3.5% 0.0% 1.6% 3.3% 4.6% 0.0% 2.2% 4.4% 7.2% 0.0% 1.6% 3.3% 4.1% 0.0% 5.4% 10.8% 15.4% 0.0% 1.5% 3.0% 4.9% Heating: Total System Capacity Degradation Back to main menu 18 AND 24K Diagnostic Chart Diagnostic Chart For 38GXM Sizes 18 and 24 K Units Equipment Fault High Compressor Discharge Pressure Protection High Compressor Discharge Temperature Protection Communication Error IPM Module Protection Compressor Over Current Protection High Outdoor Coil Temperature Protection Indoor Coil High Temperature Protection Indoor Coil Freeze Protection Failed Sensor Compressor Overload Protection Compressor Motor Phase Imbalance Protection (Compressor Stops) Power Factor Correction Board Capacitor Charge Failure Communication Error With Unit A Unit A Mid Indoor Coil Temperature Thermistor Unit A Leaving Indoor Coil Temperature Thermistor Unit A Entering Indoor Coil Temperature Thermistor Unit A Indoor Air Temperature Thermistor Unit A Heating/Cooling Mode Conflict with Unit B Unit A Indoor Coil Freeze Protection Unit A Indoor Coil High Temperature Protection Communication Error With Unit B Unit B Mid Indoor Coil Temperature Thermistor Unit B Leaving Indoor Coil Temperature Thermistor Unit B Entering Indoor Coil Temperature Thermistor Unit B Indoor Air Temperature Thermistor Unit B Heating/Cooling Mode Conflict with Unit B Unit B Indoor Coil Freeze Protection Unit B Indoor Coil High Temperature Protection Defrost Mode Oil Return Mode Outdoor Air Temperature Thermistor Outdoor Coil Temperature Thermistor Compressor Discharge Temperature Thermistor Driver Board Communications Error Normal Communication Between Ind. and OD Units Compressor Speed Sensor Failure (Compressor Stops) IPM Module Protection Inverter Failure PFC Module Protection Lock-Out Mode Start-Up Failure Low Voltage Protection High Voltage Protection IPM Module High Temperature Protection Failed Communication Between ID and OD Units Diagnostic Chart # Indoor Display 1 2 3 4 5 6 7 8 9 10 11 E1 E4 E6 H5 E5 H4 H4 E2 H3 9 9 9 3 HC E6 F2 F2 F2 F1 E7 E2 H4 E6 F2 F2 F2 F1 E7 E2 H4 H1 H1 F3 F4 F5 E6 12 4 11 13 H5 HE HC 11 H7 4 H5 3 9 9 9 9 8 7 3 9 9 9 9 8 7 Number of Flashes On Outdoor Unit Board LED's LED-D101 LED-D102 LED-D103 LED-D104 LED-D105 LED-D106 LED-D108 (Green) (Red) (Yellow) (Yellow) (Red) (Green) (Green) 2 3 4 5 6 7 8 9 10 11 13 15 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 6 1 2 3 5 1 LED1 (Red) LED2 (Green) 2 3 4 5 6 7 8 9 10 Light 30K Diagnostic Chart - General Diagnostic Chart For 38GXM Size 30 Unit Equipment Fault Normal Compressor Operation High Compressor Discharge Pressure Protection High Compressor Discharge Temperature Protection Communication Error IPM Module Protection Compressor Overcurrent Protection High Outdoor Coil Temperature Protection Indoor Coil High Temperature Protection Indoor Coil Freeze Protection Failed Sensor Compressor Overload Protection Compressor Motor Phase Imbalance Protection (Compressor Stops) Power Factor Correction Board Capacitor Charge Failure Defrost Mode Oil Return Mode Outdoor Air Temperature Thermistor Outdoor Coil Temperature Thermistor Compressor Discharge Temperature Thermistor Driver Board Communications Error Correct Communication Data Normal Compressor Operation Compressor Speed Sensor Failure (Compressor Stops) IPM Module Protection Inverter Failure PFC Module Protection Lock-Out Mode Start-Up Failure Low Voltage During Start-Up High Voltage Protection IPM Module High Temperature Protection Low Voltage Protection IPM Module Detects Short Or Open Circuit Failed Communication Between ID and OD Units Normal Communication Diagnostic Indoor Display LED-D101 LED-D102 LED-D103 chart # (Red) (Yellow) (Green) 1 1 E1 2 3 E4 3 3 E6 4 4 H5 5 5 E5 6 6 H4 7 7 H4 8 8 E2 9 9 10 10 H3 11 11 13 15 H1 9 H1 9 9 F3 9 F4 9 F5 3 E6 Number of Flashes On Outdoor Unit Board LED's LED-D104 LED-D105 LED-D106 LED-D107 LED-D108 LED-D109 (Red) (Yellow) (Green) (Red) (Yellow) (Green) LED1 (Red) LED2 (Green) 1 2 3 4 1 12 4 11 13 H5 HE HC 11 H7 E5 4 H5 4 H5 E6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 30K Diagnostic Chart - Specific Diagnostic Chart For 38GXM Size 30 Unit Equipment Fault Communication Error With Unit A Unit A Mid Indoor Coil Temperature Thermistor Unit A Leaving Indoor Coil Temperature Thermistor Unit A Entering Indoor Coil Temperature Thermistor Unit A Indoor Air Temperature Thermistor Unit A Heating/Cooling Mode Conflict With Other Indoor Units Unit A Indoor Coil Freeze Protection Unit A Indoor Coil High Temperature Protection Communication Error With Unit B Unit B Mid Indoor Coil Temperature Thermistor Unit B Leaving Indoor Coil Temperature Thermistor Unit B Entering Indoor Coil Temperature Thermistor Unit B Indoor Air Temperature Thermistor Unit B Heating/Cooling Mode Conflict With Other Indoor Units Unit B Indoor Coil Freeze Protection Unit B Indoor Coil High Temperature Protection Communication Error With Unit C Unit C Mid Indoor Coil Temperature Thermistor Unit C Leaving Indoor Coil Temperature Thermistor Unit C Entering Indoor Coil Temperature Thermistor Unit C Indoor Air Temperature Thermistor Unit C Heating/Cooling Mode Conflict With Other Indoor Units Unit C Indoor Coil Freeze Protection Unit C Indoor Coil High Temperature Protection Communication Error With Unit D Unit D Mid Indoor Coil Temperature Thermistor Unit D Leaving Indoor Coil Temperature Thermistor Unit D Entering Indoor Coil Temperature Thermistor Unit D Indoor Air Temperature Thermistor Unit D Heating/Cooling Mode Conflict With Other Indoor Units Unit D Indoor Coil Freeze Protection Unit D Indoor Coil High Temperature Protection Correct Communication Data Diagnostic chart # Indoor Display 3 9 9 9 9 E6 F2 F2 F2 F1 E7 E2 H4 E6 F2 F2 F2 F1 E7 E2 H4 E6 F2 F2 F2 F1 E7 E2 H4 E6 F2 F2 F2 F1 E7 E2 H4 8 7 3 9 9 9 9 8 7 3 9 9 9 9 8 7 3 9 9 9 9 8 7 LED-D101 LED-D102 LED-D103 (Red) (Yellow) (Green) Number of Flashes On Outdoor Unit Board LED's LED-D104 LED-D105 LED-D106 LED-D107 LED-D108 LED-D109 (Red) (Yellow) (Green) (Red) (Yellow) (Green) 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 LED1 (Red) LED2 (Green) 18K WIRING DIAGRAM 24K WIRING DIAGRAM 30K WIRING DIAGRAM Flow Chart 1 – HIGH PRESSURE SWITCH PROTECTION Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Clean coil. Problem persists? Yes Check pressure switch. Ok? No Problem solved Yes No Replace switch Yes All low side pressures are high ? Yes System over charged. Reclaim and weigh in charge Yes Connect low side gauges, compare readings. Are they similar? No Yes Check motor output on main board. Ok? Yes Replace motor Check EXV output on main board. Ok? No No Replace main outdoor board Yes Replace EXV Flow Chart 1 – HIGH PRESSURE SWITCH PROTECTION Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Clean coil. Problem persists? Problem solved Yes Yes Check pressure switch. Ok? No No Replace switch Yes All low side pressures are high ? Yes System over charged. Reclaim and weigh in charge Yes Connect low side gauges, compare readings. Are they similar? No Yes Check motor output on main board. Ok? Yes Replace motor Check EXV output on main board. Ok? No No Replace main outdoor board Yes Replace EXV Flow Chart 2 – COMPRESSOR HIGH DISCHARGE TEMPERATURE Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Clean coil. Problem persists? Yes Check compressor No discharge temp. thermistor. Chart 9, ok? Yes Low charge. Reclaim and weigh in new charge. Problem solved Yes Replace thermistor. Problem persists No Problem solved Yes Yes Connect low side gauge at Yes suction service valves. All values low? No Check EXV outputs on main board? OK Yes Replace EXV No Replace main board Flow Chart 3 – Communication Error Check the wires (type) and connections between outdoor and indoor units . No Fix connection or replace wiring. Problem resolved? No Replace indoor unit board in unit displaying error. Problem resolved? Yes Turn all indoor units on. Do they all display error code? Yes No further action required No Replace PFC/Driver board assembly No Yes Is electric box B fuse burnt Yes out? No Yes Check outdoor main board. Chart # 14 OK? . No Replace outdoor main board. Problem resolved? No Yes No further action required Check PFC board. OK? Chart # 13 Yes Replace PFC/Driver board assembly Flow Chart 4 – IPM MODULE PROTECTION Is red LED1 blinking 3 or 10 times? No Turn power off. Unplug P,N,U,V,W wires. Check resistance between P-N, U-N, V-N, W-N. Is resistance 0? Yes Replace PFC/Driver board assembly Yes Is red LED1 blinking 10 times? Yes IPM module over heated. Check that the thermal grease is evenly spread, the screws are tightened, and the heat sink is not blocked. No Red LED1 is blinking 3 times. No Check wiring to P,N,U,V,W. Wiring OK? Fix wiring Yes Turn unit on. Is the voltage between P and N 310 V when the compressor is off and 380V when compressor is on? No Check PFC module. Chart # 13 Yes Check for current imbalance Between U,V,W. Readings normal? Yes Replace compressor No Replace PFC/Driver board assembly Flow Chart 5 – Compressor Over Current Protection Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Clean coil. Problem persists? Yes Check motor output on outdoor board. Ok? Yes No Check compressor. Refer to Chart #15 Yes No Outdoor motor ok? Replace motor Yes Connect low side gauge at suction service valve. Suction pressure normal? Yes Check compressor. Refer to Chart # 15 No High suction? Yes Unit is overcharged. Reclaim charge and weigh in correct charge. No Problem solved Flow Chart 6 – OUTDOOR HIGH CONDENSING TEMPERATURE Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Yes Check outdoor coil temperature thermistor. Chart #9. OK? No Check motor/thermistor/ Yes outputs on outdoor board. OK? Replace outdoor board No Problem solved Yes Yes No Clean coil. Problem persists? Replace thermistor. Problem persists Yes Replace outdoor motor No Problem solved Flow Chart 7 – INDOOR HIGH TEMPERATURE Is unit running in outdoor ambient higher than 75 °F? Yes Beyond operating range No Indoor coil/filter clean? No Yes Check Indoor coil temperature thermistors. Chart # 9. ok? Replace indoor board No Problem solved Yes No Replace thermistor. Problem persists Yes Yes Check motor/thermistors output s on indoor board. Ok? No Clean coil and filter. Problem persists? Yes Replace indoor motor No Problem solved Flow Chart 8 – Indoor Freeze Protection Is system running within operating envelope? No System should not be operated Yes Connect low side gauge at suction service valves. All values low? Yes Check for leaks. No Yes Problem solved Clean indoor coil /filter of indoor unit with error message. Problem fixed? Reclaim charge and fix leak. No Replace thermistor No Check indoor thermistors OK? Yes Replace indoor board. No Check indoor board motor/ thermistor output Output ok? Yes Replace motor . Weigh in charge. Flow Chart 9 – Temperature Sensor Reset main power and restart system using remote. Problem persists? No No further action is required Yes Check sensor connector at ID or OD board Connection good? No Fix connection Yes Check sensor resistance. Appendix -- Yes Replace indoor or outdoor main board No Replace sensor Flow Chart 10 – COMPRESSOR OVERLOAD PROTECTION Is unit running in outdoor ambient higher than 115 °F? Yes Beyond operating range No No Outdoor coil clean? Yes Check compressor overload switch Ok? Yes Low charge. Reclaim and weigh in new charge. No Problem solved Yes No Replace switch Problem persists No Problem solved Yes Yes Connect low side gauge at suction service valves. All values low? Clean coil. Problem persists? No Check EXV outputs on main board? OK Yes Replace EXV No Replace main board Flow Chart 11 – STARTUP FAILURE/INVERTER FAILURE/CURRENT IMBAL. Check Compressor No Replace Compressor Yes Check main board. Chart # 14. OK? No Replace main board. Problem resolved? No Yes Check PFC board. Chart # 13. OK? Yes Replace PFC/Driver board assembly No Replace PFC/Driver board assembly Yes No further action required Flow Chart 12 – Compressor Stops Reset circuit breaker. Problem solved? Yes No further action required No Check main board. Chart # 14. OK? No Replace main board. Problem resolved? No Yes Check PFC board. Chart # 13. OK? Yes Replace PFC/Driver board assembly No Replace PFC/Driver board assembly Yes No further action required Flow Chart 13 – PFC Protection Check the following when unit is off Turn unit off. Check resistance between PN and N on AP2. Resistance =0? Yes Replace PFC and IPM assembly .Problem solved? No additional action is required No No Unit off. Check resistance between AC-L1 and ACN1. Resistance =0? Yes Replace PFC and IPM assembly . Problem solved? No Yes Unit off. Check resistance Yes between AC-N3 and AC-L3. Resistance =0? Replace PFC electric inductance No Check heat sink. Coil clean, thermal grease spread evenly, screws tight? . Yes Yes Fix problem Yes Problem solved Flow Chart 13 – PFC Protection CONTINUED Check the following when unit is on Is there power between AC-L1 and AC-N1? No Check outdoor main board. Chart # 14. Problem solved? No additional action is required. Yes No additional action is required. No Fix connection. Problem solved? No Yes Is there voltage between PR and N? No Replace PFC and IPM assembly. Problem solved? No Yes Is the voltage between PR and N 310 when comp. is on(instead of 380V)? No Protection due to external power fluctuation Yes Check connections on 3 wires between AP2 and AP3. Connection good? No Yes Check 5 wire connection Between AP3 and main board. Connection OK? Yes . Yes Replace PFC and IPM assembly No Fix connection. Problem solved? No Flow Chart 14 – MAINBOARD CHECK Check fuses (3 fuses). OK? No Yes Check inputs and outputs No starting at XT1.Inputs/outputs OK? Yes Board is OK Check source of problem and fix. Replace fuse or boards. Problem solved? No Replace board Yes No further action is required Flow Chart 15 – COMPRESSOR CHECK Check resistance of compressor. Resistance OK? No Replace compressor Yes Check PFC board. Chart #13 OK? No No Yes Check IPM module. Chart # 4 OK? Yes Replace compressor Replace PFC/Driver board assembly. Problem solved? No Replace PFC/Driver board assembly. Problem solved? No Flow Chart 16 – Indoor Fan Reset main power and No restart system using remote. Problem persists? No further action is required Yes Check motor connection. Connection good? No Fix connection Yes Check IFM output and and input on indoor board. Values good? Yes Replace indoor fan motor No Replace indoor board INPUT/OUTPUT CHART AP1 O U TP U T O U TP U T IN P U T IN P U T /O U T P U T O U TP U T O U TP U T IN P U T O U TP U T O U TP U T O U TP U T O U TP U T O U TP U T IN P U T IN P U T /O U T P U T X 3 - X 25 X 1 -X 6 X 9 - X 10 CN2 X 2-X 8/X 7/X 11 X 2 -X 4 X 12 X 15 - X 30 FA FB FC FD X 28 X 101 230 V 230 V 230V 0 - 24V D C 230V 230V D C 325V 230V P in 1,2,3,4 m easured in reference to pin 5 0 - 12V D C P in 1,2,3,4 m easured in reference to pin 5 0 - 12V D C P in 1,2,3,4 m easured in reference to pin 5 0 - 12V D C P in 1,2,3,4 m easured in reference to pin 5 0 - 12V D C 1-2P IN 、3-4P IN 、5-6P 0~5V D C 5-3P IN 12V D C ,4-3P IN 5V D C ,2-3P IN 0~5V D C ,1-3P IN 0~5V D C AP2 IN P U T IN P U T O U TP U T IN P U T ?O U T P U T A C -L1 -A C -N 1 A C -L3 - A C -N 3 PR X H -3 230V 230V In refto N ,0V or 320V ,or 380V or 420V 1-2P IN 3.3V ,3-2P IN 3.3V AP3 O U TP U T IN P U T /O U T P U T IN P U T /O U T P U T IN P U T O U TP U T X3 X4 X5 P U 、V 、W 两端之间约D C 325V 1-2P IN 3.3V D C ,3-2P IN 3.3V D C 5-3P IN 12V D C ,4-3P IN 5V D C ,2-3P IN 0~5V D C ,1-3P IN 0~5V D C In refto N , 320V ,or 380V or 420V 0~380V Resistance Chart - 20K °F -4 -2.2 -0.4 1.4 3.2 5 6.8 8.6 10.4 12.2 14 15.8 17.6 19.4 21.2 23 24.8 26.6 28.4 30.2 32 33.8 35.6 37.4 39.2 41 42.8 44.6 46.4 48.2 50 51.8 53.6 55.4 57.2 59 60.8 62.6 64.4 66.2 68 69.8 °C -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Min R 178.000 168.400 159.300 150.800 142.700 135.200 128.100 121.300 115.000 109.100 103.400 98.130 93.130 88.410 83.950 79.740 75.760 72.000 68.450 65.100 61.920 58.920 56.080 53.390 50.840 48.430 46.150 43.880 41.930 39.990 38.150 36.400 37.743 33.150 31.670 30.250 28.900 27.620 26.400 25.250 24.150 23.100 Nor R 192.000 181.400 171.400 162.100 153.300 145.000 137.200 129.900 123.000 116.500 110.300 104.600 99.130 94.000 89.170 84.610 80.310 76.240 72.410 68.790 65.370 62.130 59.080 56.190 53.460 50.870 48.420 46.110 43.920 41.840 39.870 38.010 36.240 34.570 32.980 31.470 30.040 28.680 27.390 26.170 25.010 23.900 Max R 206.900 195.300 184.300 174.100 164.400 155.400 146.900 138.900 131.300 124.300 117.600 111.300 105.400 99.870 94.630 89.700 85.050 80.660 76.530 72.620 68.940 65.460 62.180 59.080 56.150 53.380 50.770 48.290 45.950 43.730 41.640 39.650 37.770 35.990 34.310 32.710 31.190 29.760 28.390 27.100 25.870 24.710 °F 71.6 73.4 75.2 77 78.8 80.6 82.4 84.2 86 87.8 89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 104 105.8 107.6 109.4 111.2 113 114.8 116.6 118.4 120.2 122 123.8 125.6 127.4 129.2 131 132.8 134.6 136.4 138.2 140 141.8 143.6 145.4 °C 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Min R 22.110 21.160 20.260 19.400 18.150 17.740 16.970 16.240 15.560 14.890 14.260 13.660 13.080 12.540 12.200 11.530 11.085 10.600 10.170 9.765 9.374 9.001 8.645 8.304 7.979 7.668 7.372 7.088 6.816 6.557 6.308 6.071 5.843 5.625 5.417 5.217 5.026 4.843 4.667 4.499 4.337 4.182 Nor R 22.850 21.850 20.900 20.000 19.140 18.130 17.550 16.800 16.100 15.430 14.790 14.180 13.590 13.040 12.510 12.000 11.520 11.060 10.620 10.200 9.803 9.420 9.054 8.705 8.370 8.051 7.745 7.453 7.173 6.905 6.648 6.403 6.167 5.942 5.726 5.519 5.320 5.130 4.948 4.773 4.605 4.443 Max R 23.600 22.650 21.550 20.600 19.730 18.910 18.120 17.370 16.650 15.970 15.320 14.700 14.110 13.540 13.010 12.490 12.000 11.530 11.080 10.650 10.240 9.850 9.475 9.116 8.773 8.445 8.130 7.829 7.541 7.265 7.000 6.747 6.504 6.271 6.047 5.833 5.627 5.430 5.240 5.059 4.884 4.717 °F 147.2 149 150.8 152.6 154.4 156.2 158 159.8 161.6 163.4 165.2 167 168.8 170.6 172.4 174.2 176 177.8 179.6 181.4 183.2 185 186.8 188.6 190.4 192.2 194 195.8 197.6 199.4 201.2 203 204.8 206.6 208.4 210.2 212 213.8 215.6 217.4 219.2 221 °C 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 Min R 4.034 3.892 3.755 3.624 3.498 3.377 3.261 3.149 3.042 2.939 2.84 2.745 2.653 2.565 2.481 2.399 2.321 2.246 2.173 2.103 2.036 1.971 1.909 1.848 1.791 1.735 1.681 1.629 1.579 1.531 1.484 1.439 1.396 1.354 1.343 1.274 1.237 1.2 1.165 1.131 1.096 1.067 Nor R 4.289 4.41 3.998 3.861 3.729 3.603 3.481 3.364 3.252 3.144 3.04 2.94 2.844 2.752 2.663 2.577 2.495 2.415 2.339 2.265 2.194 2.125 2.059 1.996 1.934 1.875 1.818 1.736 1.71 1.658 1.609 1.561 1.515 1.47 1.427 1.386 1.346 1.307 1.269 1.233 1.198 1.164 Max R 4.556 4.401 4.252 4.109 3.972 3.84 3.713 3.591 3.474 3.361 3.252 3.147 3.046 2.949 2.855 2.765 2.679 2.595 2.514 2.437 2.362 2.289 2.22 2.152 2.088 2.025 1.964 1.906 1.85 1.795 1.743 1.692 1.643 1.596 1.55 1.506 1.463 1.421 1.381 1.343 1.305 1.269 °F 222.8 224.6 226.4 228.2 230 231.8 233.6 235.4 237.2 239 240.8 242.6 244.4 246.2 248 249.8 251.6 253.4 255.2 257 258.8 260.6 262.4 264.2 266 267.8 269.6 271.4 273.2 275 276.8 278.6 280.4 282.2 284 285.8 287.6 289.4 291.2 293 294.8 296.6 °C 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 Min R 1.036 1.006 0.9777 0.95 0.9232 0.8973 0.8722 0.848 0.8245 0.8018 0.7798 0.7585 0.7379 0.7179 0.6986 0.6799 0.6617 0.6441 0.6271 0.6106 0.5946 0.5791 0.564 0.5494 0.5353 0.5215 0.5082 0.4953 0.4828 0.4706 0.4588 0.4474 0.4362 0.4254 0.415 0.4048 0.3949 0.3853 0.376 0.3669 0.3581 0.3495 Nor R 1.131 1.099 1.069 1.039 1.01 0.9825 0.9556 0.9295 0.9043 0.8799 0.8562 0.8333 0.8111 0.7695 0.7687 0.7455 0.7289 0.7099 0.6915 0.6738 0.6583 0.6395 0.6232 0.6074 0.5921 0.5772 0.5627 0.5487 0.5351 0.52119 0.509 0.4966 0.4845 0.4727 0.4613 0.4502 0.4394 0.4289 0.4187 0.4088 0.3992 0.3899 Max R 1.234 1.2 1.167 1.135 1.105 1.075 1.046 1.018 0.9909 0.9647 0.9393 0.9146 0.8907 0.8675 0.8451 0.8233 0.8022 0.7817 0.7618 0.7425 0.7238 0.7057 0.688 0.6709 0.6543 0.6382 0.6225 0.6073 0.5926 0.5782 0.5643 0.5507 0.5376 0.5248 0.5123 0.5003 0.4885 0.4771 0.466 0.4552 0.4447 0.4344 Resistance Chart - 50K °F -22 -20.2 -18.4 -16.6 -14.8 -13 -11.2 -9.4 -7.6 -5.8 -4 -2.2 -0.4 1.4 3.2 5 6.8 8.6 10.4 12.2 14 15.8 17.6 19.4 21.2 23 24.8 26.6 28.4 30.2 32 33.8 35.6 37.4 39.2 41 42.8 44.6 46.4 48.2 °C -30 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 Min R 833.900 782.000 733.800 689.000 647.300 608.500 572.400 538.800 507.400 478.100 450.700 425.200 401.200 378.900 357.900 338.300 319.800 302.600 286.300 271.100 256.800 243.300 230.700 218.800 207.500 197.000 187.000 177.600 168.800 160.400 152.500 145.100 138.000 131.400 125.100 119.100 113.500 108.100 103.100 98.300 Nor R 911.400 853.500 799.800 750.000 703.800 660.800 620.800 580.600 548.900 516.600 486.500 458.300 432.000 407.400 384.500 362.900 342.800 323.900 306.200 289.600 274.000 259.300 245.600 232.600 220.500 209.000 198.300 199.100 178.500 169.500 161.000 153.000 145.400 138.300 131.500 125.100 119.100 113.400 108.000 102.800 Max R 995.200 930.700 871.100 815.800 764.500 716.900 672.700 631.600 593.400 557.400 524.600 493.600 464.800 437.800 412.600 389.100 367.000 346.400 327.100 309.000 292.100 276.200 261.200 247.200 234.000 221.600 210.000 199.000 188.700 179.000 169.800 161.200 153.100 145.400 138.100 131.300 124.800 118.700 113.000 107.500 °F 50 51.8 53.6 55.4 57.2 59 60.8 62.6 64.4 66.2 68 69.8 71.6 73.4 75.2 77 78.8 80.6 82.4 84.2 86 87.8 89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 104 105.8 107.6 109.4 111.2 113 114.8 116.6 118.4 120.2 °C 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 Min R 93.760 89.460 85.380 81.510 77.840 74.350 71.040 67.900 64.910 62.070 59.370 56.800 54.360 52.030 49.820 47.720 45.630 43.650 41.760 39.960 38.260 36.630 35.080 33.610 32.200 30.860 29.580 28.370 27.210 26.100 25.040 24.040 23.070 22.150 21.280 20.440 19.640 18.870 18.140 17.440 Nor R 98.000 93.420 89.070 84.950 81.050 77.350 73.830 70.500 67.340 64.330 61.480 58.770 56.190 53.740 51.410 49.190 47.080 45.070 43.160 41.340 39.610 37.960 36.380 34.880 33.450 32.090 30.790 29.540 28.360 27.230 26.150 25.110 24.130 23.190 22.290 21.430 20.600 19.810 19.060 18.340 Max R 102.300 97.460 92.840 88.460 84.320 80.390 76.670 73.140 69.790 66.620 63.610 60.740 58.030 55.450 53.000 50.670 48.540 46.510 44.570 42.730 40.980 39.300 37.700 36.180 34.720 33.330 32.010 30.740 29.530 28.380 27.270 26.220 25.210 24.240 23.320 22.440 21.590 20.780 20.010 19.270 °F 122 123.8 125.6 127.4 129.2 131 132.8 134.6 136.4 138.2 140 141.8 143.6 145.4 147.2 149 150.8 152.6 154.4 156.2 158 159.8 161.6 163.4 165.2 167 168.8 170.6 172.4 174.2 176 177.8 179.6 181.4 183.2 185 186.8 188.6 190.4 192.2 °C 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 Min R 16.77 16.13 15.52 14.94 14.38 13.84 13.33 12.83 12.36 11.91 11.48 11.06 10.66 10.28 9.917 9.567 9.23 8.907 8.597 8.299 8.013 7.738 7.745 7.221 6.978 6.744 6.519 6.303 6.095 5.895 5.702 5.517 5.339 5.167 5.002 4.843 4.69 4.543 4.401 4.264 Nor R 17.65 16.99 16.36 15.75 15.17 14.62 14.09 13.58 13.09 12.62 12.17 11.74 11.32 10.93 10.54 10.18 9.827 9.489 9.165 8.854 8.555 8.268 7.991 7.726 7.47 7.224 6.998 6.761 6.542 6.331 6.129 5.933 5.746 5.565 5.39 5.222 5.06 4.904 4.754 4.609 Max R 18.56 17.88 17.22 16.6 16 15.43 14.88 14.05 13.84 13.35 12.89 12.44 12.01 11.6 11.2 10.82 10.45 10.1 9.763 9.438 9.125 8.825 8.536 8.257 7.99 7.732 7.484 7.245 7.016 6.794 6.581 6.376 6.178 5.987 5.803 5.626 5.455 5.29 5.131 4.977 °F 194 195.8 197.6 199.4 201.2 203 204.8 206.6 208.4 210.2 212 213.8 215.6 217.4 219.2 221 222.8 224.6 226.4 228.2 230 231.8 233.6 235.4 237.2 239 240.8 242.6 244.4 246.2 248 249.8 251.6 253.4 255.2 257 258.8 260.6 262.4 264.2 °C 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 Min R 4.132 4.005 3.882 3.764 3.65 3.541 3.435 3.332 3.234 3.138 3.046 2.958 2.872 2.789 2.709 2.632 2.557 2.485 2.416 2.348 2.283 2.22 2.159 2.1 2.044 1.988 1.935 1.883 1.833 1.758 1.738 1.693 1.649 1.606 1.565 1.525 1.487 1.449 1.413 1.377 Nor R 4.469 4.334 4.204 4.079 3.958 3.841 3.728 3.619 3.514 3.413 3.315 3.22 3.129 3.04 2.955 2.872 2.792 2.715 2.64 2.568 2.498 2.431 2.365 2.302 2.241 2.182 2.124 2.069 2.015 1.963 1.912 1.863 1.816 1.77 1.725 1.682 1.64 1.6 1.56 1.522 Max R 4.829 4.687 4.549 4.416 4.287 4.163 4.043 3.928 3.816 3.708 3.603 3.503 3.405 3.311 3.219 3.131 3.046 2.963 2.883 2.806 2.731 2.659 2.589 2.521 2.455 2.392 2.33 2.27 2.212 2.165 2.102 2.049 1.998 1.948 1.9 1.845 1.808 1.756 1.722 1.681