NXW 10 TO 50 TON. Commercial Reversible Chiller - 60 Hz. Submittal Data English Language IP/Metric Units SD2502WN 06/14

NXW 0 O 50 ON Commercial Reversible Chiller - Hz Submittal Data English Language IP/Metric Units SD50WN 06/4

Model Nomenclature -3 4-6 7 8 9 0 3 NXW R 3 A E 8 N N 4-5 SS 6 * Model NXW Envision Series Reversible Chiller Unit Capacity (MBUH), 80,, 3, 0 Operation R - Reversible Voltage 3 08-//3 4 4//3 5 575//3 8 380//3 Phase Protection A Non-Fused Disconnect, Phase Guard B Non-Fused Disconnect, IntelliStart C Fused Disconnect, Phase Guard D Fused Disconnect, IntelliStart Chassis E Enclosed P Enclosed with Pressure Gauges Vintage * - Factory Use Only Non-Standard Options SS - Standard Future Option N Future Use Future Option N Future Use Controls 8 FX0 without Communication, with User Interface 9 FX0 with Open N Communication Card with User Interface 0 FX0 with Lonworks Communication Card with User Interface 3 FX0 with BacNet Communication Card with User Interface Rev.: 4 February 04D Notes: See electrical availability table for detailed offering by voltage Voltage Availability Voltage Model 80 3 0 08-//3 NA 4//3 575//3 380//3 NA NA Legend: NA = Not Available = Voltage available in this size = Voltage and IntelliStart available in this size 03/05/4 SD50WN 06/4 Page of

AI/ASAE/ISO 356- Water-to-Water Ratings English (IP) Units Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump Model Capacity Modulation Flow Rate Cooling ES 86 EL 53.6 o F Heating ES 68 EL 04 o F Cooling ES 59 EL 53.6 o F Heating ES 50 EL 04 o F Cooling Full ES 77 Part ES 68 o F EL 53.6 o F Heating Full ES 3 Part EL 4 o F EL 04 o F Sgpm Lgpm Capacity Btuh EER Btuh/W Capacity Btuh COP Capacity Btuh EER Btuh/W Capacity Btuh COP Capacity Btuh EER Btuh/W Capacity Btuh COP 80 3 0 Full 45,0 6.0 89,000 4.5 6,0.5 57,00 3.8 47,700 7.3 8,800 3.0 Part 79,0 7.4 0,500 5. 84,0 4. 84,0 4.4 8,0. 69,800 3.3 Full 0,0 5.9 63,700 4.6 5,.5 7,000 3.9 08,0 7. 73,0 3. Part 05,500 7.0 38,700 5.0 77,700 3.0,0 4. 5,0 0.5,0 3.5 Full 80 80 65,700 6.0 347,500 4.7 6,0 3.4 80,0 3.9 75,0 7.9 9,0 3.3 Part 80 80, 6.7 8, 5.0 63,0 4.6 4,0 4. 50,000.6 5,800 3.5 Full 394,700 6.0 487,0 4.3 45,0. 40,0 4.0 40,00 7.5 339,0 3.3 Part 06,000 6.9 56,000 4.6 4, 3. 4,0 4.3 3,00. 83,500 3.7 Full 00 00,000 5. 798,000 4.3 756,000 9.9 6,000 4.0 633,000 6.5 533, 3.4 Part 00 00 33,0 6. 49,000 4.6 7,000 0.9 38,000 4.3 376,000 9.6 3,0 3.7 3/5/4 SD50WN 06/4 3 Page of

Physical Dimensions SERVICE PORS EMERGENCY SOP SWICH DISCONNEC SWICH CONROL BOX COVER MAIN POWER CONNECION SOURCE WAER OU SOURCE WAER IN FX-0 CONROLLER DISPLAY LOAD WAER IN ACCESS DOOR LOAD WAER OU SIDE ACCESS PANEL DOORS VIBRAION PADS NOES:. DO NO SCALE DRAWING. OP FRON "B" SIDE REAR. O POR (SERVICE) J SOURCE WAER OU SOURCE WAER IN "G" "A" LOAD WAER IN "F" 7.50 4.50 4.00 LOAD WAER OU "E" 7.00 4.50 "D" ELECRICAL HIGH VOLAGE ELECRICAL LOW VOLAGE "C" "H" Model A B C D E F G H J -80 57.3 [455] 4. [6] 4.5 [080] 5.0 [7] 7.0 [43] 8.8 [4] 7.0 [43].9 [] 4.6 [7] -3 64. [63] 4. [6] 50.5 [83] 6.9 [75] 7.0 [43] 3.9 [353] 7.0 [43]. [7] 3.6 [9] 0 7. [806] 4.0 [60] 58.5 [486] 6.5 [65] 7.0 [43] 9.5 [495] 7.0 [43] 5.0 [38] 3. [8] All dimensions in inches, [mm] 5//4 SD50WN 06/4 4 Page of

Physical Dimensions, cont. R S DEAIL A P 5.00 N M 4.00 A 4.00 5.00 SHADED AREAS REPRESEN REQUIRED CLEARANCE FOR SERVICE & MAINENANCE OF EQUIPMEN. K L Model K L M N P R S * -80 57.0 [448] 4.0 [067] 63. [3] 5.9 [4] 9.5 [495] 9.7 [46].3 [33].0 [50.8] -3 65.0 [65] 4.0 [067] 69.9 [775] 9.9 [505] 9.5 [495] 9.7 [46].8 [46].0 [50.8] 0 70.0 [778] 4.0 [067] 76.8 [95].0 [559] 9.5 [495].7 [33].8 [46].5 [63.5] All dimensions in inches, [mm] * - Units shipped with groove pipe connection 5//4 SD50WN 06/4 5 Page of

Vibration Isolators Rubber Isolators RD RD3 Part Color Max Load, ype Deflection, in Qty Number Code lbs 99S50-0 RD Green 380 0.50 4 Compatible with NXW-80 Part Color Max Load, ype Deflection, in Qty Number Code lbs 99S50-0 RD3 Green 750 0.50 4 Compatible with NXW-0 Spring Isolators Number Compatible With Spring Color Rated Capacity Rated Deflection Isolator Constant Adjustment Bolt IS-35-0 NXW-80 Brown 35 lbs.3" 64 lbs/in / x 3.5 4 IS-750-0 NXW-0 Orange 750 lbs.06" 707 lbs/in / x 3.5 4 Qty SD50WN 06/4 6 Page of

Physical Data Model Compressor Refrigerant Charge* Shipping otal Weight Installed Scroll () 80 Scroll () Scroll () 3 Scroll () 0 Scroll () 5.3 70 70 [.4] [37] [33] 7.8 838 844 [3.5] [38] [384] 0.5 5 [4.8] [54] [54] 7.9 30 388 [8.] [0] [63] 7.3 748 850 [.4] [795] [84] Weights shown in Pounds, [kg] //04 * Refrigerant per circuit in Pounds, [kg] Add 3 lbs [5 kg] for fluid weight when full. () Add 48 lbs [ kg] for fluid weight when full. (80) Add 64 lbs [9 kg] for fluid weight when full. () Add 0 lbs [50 kg] for fluid weight when full. (3) Add 44 lbs [65 kg] for fluid weight when full. (0) SD50WN 06/4 7 Page of

Electrical Data Model Rated Voltage Voltage Min/Max Compressor MCC RLA LRA otal Unit FLA Min Circ Amp Min Fuse/ HACR Max Fuse/ HACR 08-//3 87/53 36.0 3..0 46. 5.0.0 70 80 4//3 44/506 9.0. 87.0 4.4 7.5.0 35 575//3 57/633 3.5 8.7 6.0 7.4 9.6 0.0 5 380//3 34/48 9.0. 95.0 4.4 7.5.0 35 08-//3 87/53 45.0 8.8 35.0 57.6 64.8 70.0 4//3 44/506 9.0. 0.0 4.4 7.5.0 35 575//3 57/633 6.5 0.9 95.0.8 4.5 5.0 35 08-//3 87/53 5. 35. 50.0 70.4 79. 80.0 0 4//3 44/506 7.0 9..0 38.4 43. 45.0 575//3 57/633 9. 4.5.0 9.0 3.6 35.0 45 08-//3 87/53 75.0 48. 35.0 96. 08. 0.0 50 3 4//3 44/506 38.6 4.7 97.0 49.4 55.6.0 80 575//3 57/633 35.0.4 35.0 44.8 50.4.0 70 380//3 34/48 5.0 3.7 39.0 65.4 73.6 80.0 4//3 44/506 6.0 39.7.0 79.4 89.3.0 5 0 575//3 57/633 45.0 8.8 0.0 57.6 64.8 70.0 380//3 34/48 7.0 46. 30.0 9.4 04.0 0.0 50 HACR circuit breaker in USA only - MCC, RLA, & LRA rating per compressor. Breaker & FLA sized for both compressors. - Equipment supplied with Class J fuses per minimum fuse size. 3/5/4 Compressor Protection Module An electronic protection module is provided with compressors utilized in model size 0. his module will protect against phase reversal and phase loss at start-up. Protection is active for 5 seconds after the first second of compressor operation. In the event that either phase sequencing or phase loss has occurred the following blink sequence will display on the module. SD50WN 06/4 8 Page of

Reference Calculations Heating Calculations: LW = EW - GPM x 500* Cooling Calculations: LW = EW + GPM x 500* NOE: * When using water. Use 485 for 5% methanol/water or Environol solution. Legend and Notes Abbreviations and Definitions EL = entering load fluid temperature to heat pump = leaving load fluid temperature from heat pump LGPM = load flow in gallons per minute LWPD = load heat exchanger water pressure drop ES = entering source fluid temperature to heat pump LS = leaving source fluid temperature from heat pump SGPM = source flow in gallons per minute SWPD = source heat exchanger water pressure drop EER = cooling energy effciency (C/KW) PSI = pressure drop in pounds per square inch F HD = pressure drop in feet of head KW = kilowatt = heat rejected in MBUH C = total cooling capacity in MBUH COP = coefficient of performance (HC/KW x 3.43) HC = heating capacity in MBUH = heat of extraction in MBUH Notes to Performance Data ables he following notes apply to all performance data tables: hree flow rates are shown for each unit. he lowest flow rate shown is used for geothermal open loop/well water systems with a minimum of 50 ES. he middle flow rate shown is the minimum geothermal closed loop flow rate. he highest flow rate shown is optimum for geothermal closed loop systems and the suggested flow rate for boiler/ tower applications. Entering water temperatures below assumes 5% antifreeze solution. Interpolation between EL, ES, and GPM data is permissible. Operation in the gray areas is not recommended. SD50WN 06/4 9 Page of

Antifreeze Correction Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given. Antifreeze ype Antifreeze % by wt Heating Cooling Pressure Load Source Load Source Drop EW - [ C] [3.] [-.] 50 [0] [3.] [-.] Water 0.000.000.000.000.000 Ethylene Glycol Propylene Glycol Ethanol Methanol 0 0.99 0.973 0.975 0.99.075 0 0.979 0.943 0.946 0.979.63 0.965 0.97 0.90 0.965.5 0.955 0.8 0.895 0.955.34 50 0.943 0.865 0.870 0.943.49 0 0.98 0.958 0.959 0.98. 0 0.969 0.93 0.99 0.969.70 0.950 0.854 0.866 0.950.433 0.937 0.83 0.89 0.937.64 50 0.9 0.770 0.789 0.9.86 0 0.99 0.97 0.94 0.99.4 0 0.97 0.887 0. 0.97.343 0.947 0.856 0.866 0.947.383 0.9 0.85 0.86 0.9.53 50 0.9 0.779 0.79 0.9.639 0 0.986 0.957 0.96 0.986.7 0 0.970 0.94 0.98 0.970.97 0.95 0.895 0.897 0.95.35 0.936 0.863 0.865 0.936.33 50 0.90 0.833 0.835 0.90.399 WARNING: Gray area represents antifreeze concentrations greater than 35% by weight and should be avoided due to the extreme performance penalty they represent. SD50WN 06/4 0 Page of

Pressure Drop Model 80 3 0 Pressure Drop (psi) GPM 50 70 0 0 0.8 0.7 0.6 0.6 0.5..9.8.7.5 3.3 3..9.8.5 0.9 0.8 0.7 0.7 0.6 45.3..0.0.8 3.7 3.5 3.3 3..9.3....0 3. 3.0.9.8.6 80 5.0 4.7 4.6 4.4 4..3...0 0.9 3..9.8.7.4 4.8 4.6 4.4 4.3 3.9.8.5.4..0 50 4.7 4.5 4.4 4.0 3.9 00 6.4 6. 6. 5.7 5.6 4/9/4 Pressure Drop (psi) 6.8 6.6 6.4 6. 6.0 5.8 5.6 5.4 5. 5.0 4.8 4.6 4.4 4. 4.0 3.8 3.6 3.4 3. 3.0.8.6.4..0.8.6.4..0 0.8 0.6 0.4 0. 0.0 Water Pressure Drop vs. Flow at 0 0 0 50 70 80 0 50 70 80 00 0 0 Flow (gpm) Model Model 80 Model Model 3 Model 0 Note: Pressure drop is the same for load and source heat exchangers at fluid temperature. SD50WN 06/4 Page of

NXW Performance Data Heating ES 50 70 Source Flow GPM 0 0 0 EL Load Flow - 0 GPM Load Flow - GPM Load Flow - GPM MBUH COP LS Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. MBUH COP LS SD50WN 06/4 Page of MBUH COP LS 7.8 8.3 7. 04.0 5.3 3. 68.6 8.8 6.9 05.3 5.5 3.0 66.5 9.3 6.7 06.5 5.7.9 80 9.3.6 9.6 89.8 3.7 4.0 88. 3.4 9.3 9.6 3.9 3.9 86. 4. 9.0 93.4 4.0 3.8.7 7.0. 75.6.8 5.0 07.9 8.0.8 77.9.9 4.8 06.0 9..4 80.3 3. 4.6 3..3 4.6 6.4. 5.9 7.5.6 4. 64.3.3 5.7 5.7 4.0 3.7 67..4 5.5 73.3 33.0 7. 08.6 5.4 4.6 68.9 33.5 6.9 09.8 5.6 4.5 66.7 34.0 6.7.0 5.8 4.4 80 9.6 6.3 9.7 93.4 3.8 5.3 88.5 7. 9.4 95.3 4.0 5. 86.4 8. 9. 97.3 4. 5..0 9.6. 78..9 6. 08..0.8 80.9 3.0 6.0 06..3.4 83.5 3. 5.8 3.3 3.0 4.6 63.0.3 6.8 7.6 4.7 4. 66.4.4 6.7 5.8 6.4 3.7 69.7.5 6.5 76. 6. 7.6 36.5 6.3 36.4 70.9 63.3 7.3 38.4 6.6 36. 68. 64.3 7.0.4 6.9 36.0 80 95.5 54.5 0.0.3 4.5 38.0.4 55.8 9.7.9 4.7 37.7 87.9 57. 9.3 5.4 5.0 37.5 4.7 46.9.5 04. 3.4 39.6 09.9 48.4.0 07.3 3.6 39.3 07.5 50.0.6 0.4 3.8 39.0 33.9 39. 5.0 88.0.7 4. 9.4 4.0 4.4 9.7.9.8 7. 4.8 3.9 95.4 3.0.5 77.0 69.7 7.6 43.6 6.5.4 7.4 70.9 7.4 45.8 6.8.3 68.6 7. 7. 48.0 7.. 80 96..6 0. 6. 4.7 4.6.8 6. 9.7 9. 4.9 4.4 88. 63.9 9.3 3.0 5. 4. 5. 5.6.5 08.8 3.5 4.7 0. 53.6..4 3.7 4.5 07.8 55.6.6 5.9 3.9 4.3 34. 4.5 5.0 9.3.8 43.9 9.7 44.9 4.4 95.6.9 43.6 7.4 47.3 3.9 99.9 3. 43.3 77.7 77. 7.7 50.8 6.7 4.5 7.9 78.6 7.5 53. 7.0 4.3 69.0 80.0 7. 55.5 7.4 4. 80 96.7 66.7 0. 3. 4.8 43.4 9. 68.6 9.8 35.3 5. 43. 88.5 70.6 9.4 38.5 5.3 43. 5.6 56..6 3.4 3.6 44.3 0.6 58.7. 7.4 3.8 44. 08. 6..6.5 4. 43.9 34.6 45.8 5.0 94.6.9 45.3 9.9 48.8 4.4 99.5 3.0 45.0 7.6 5.7 3.9 04.4 3. 44.8 80. 00.8 8.0 73.4 7.3 5.7 73.5 0.4 7.7 76. 7.7 5.4 70. 04.0 7.4 78.8 8. 5. 80 99.0. 0.5 54.4 5.3 54.6 9.8 9. 0.0 57.8 5.6 54. 89.7 94.0 9.6 6.3 5.9 53.9 7.9 79.4.9 35.4 4. 56.5. 8.7.4 39.6 4.3 56.0 09. 84.0.8 43.8 4.6 55.6 36.9 68.7 5.3 6.4 3. 58.4 3.4 7.4 4.7.3 3.4 57.9 8.7 74. 4.0 6. 3.6 57.4 8.. 8. 83. 7.6 57.8 74. 3.0 7.8 86.3 8.0 57.6 70.7 5.0 7.5 89.5 8.4 57.4 80 99.9 98.6 0.6 6.6 5.5 59. 93.4 0. 0. 66.6 5.8 58.9. 03.5 9.7 70.5 6. 58.6 8.6 86..9 4.9 4..5.6 89..4 46.8 4.5. 09.6 9.0.8 5.6 4.8 59.9 37.4 73.6 5.3.3 3.3 6.9 3.8 77. 4.7 7.0 3.5 6.5 9.0 80.6 4.0 3.7 3.8 6. 8..4 8.3 93.0 7.8.3 74.9 3.7 8.0 96.6 8.. 7.3 6.0 7.6 00. 8.7.0 80.7 07. 0.6 70.8 5.7 6.5 94.0 0. 0. 75.3 6.0 6..7 3.0 9.7 79.8 6.4 6.0 9.3 9.8 3.0 48.5 4.4 6.6 3. 96.4.4 54.0 4.6 6.3 0.0 00.0.9 59.4 4.9 6.0 37.9 78.6 5.3 6. 3.4 63.7 3. 8.8 4.7 3.7 3.6 63.4 9.4 87.0 4.0 39. 3.9 63.0 83.9 39.4 8.5 0.3 8. 69.0 76. 4.5 8. 3.8 8.7 68.6 7. 43.6 7.7 7.3 9. 68.3 80 0.6 5.7 0.9 88.5 6. 7. 95. 8.3 0.4 9.8 6.4 70.7 9.5.9 9.9 97. 6.9 70.3 Operation not recommended. 85. 5.5 8.7.8 8.5 75. 77.0 55. 8.3 6.9 9.0 74.9 7.9 57.8 7.9.9 9.6 74.6 80 03.7 36.6.0 99.0 6.3 76.7 96.0 39.9 0.5 04.0 6.7 76.4 9. 43. 0.0 09. 7. 76. Operation not recommended. 86.6 65.5 8.9 35.3 8.8 78. 77.9 68.8 8.5 39.9 9.3 78.0 73.6 7.0 8.0 44.6 9.9 77.8 80 04.7 47.5. 09.5 6.5 79.5 96.8 5.5 0.6 5. 6.9 79. 9.8 55.4 0..0 7.4 79.0 Operation not recommended. 4/9/4

NXW Performance Data cont. Cooling ES Source Flow GPM EL Load Flow - 0 GPM Load Flow - GPM Load Flow - GPM MBUH EER LS MBUH EER LS MBUH EER LS 50 35.9.6 6.3 6.. 66.. 47.9 6.7 70.6. 67. 4. 55. 7.0 79.0. 67.9 0 70 5.4 85.8 6.9 09.3 7.0 70.9 57.5 87.3 7..6 6.3 7..6 88.7 7.4 3.9 5.5 7.4 50 70 0 0 0 0 66.9 3. 7.4 56.4 3. 75.6 74.9 6.7 7.6 5.6 9.8 75.3 78.9.3 7.8 48.8 8.6 74.9 50 35.9.9 6.4 6.7..8. 48.7 6.5 70.8 3.0 6.4 4. 56.6 6.6 79.0 3.8 6.9 70 5.3 76.9 6.8 99.9 6. 63.3 57.8 83.7 6.8 07. 6.8 63.8.5.6 6.9 4. 7.5 64.3 68.7.8 7. 37. 9.8 65.8 75.4 8.7 7. 43.3.3 66. 78.8 4.6 7.3 49.4.9 66.6 50 35.9 4. 6.4 63..0 58..0 49.6 6.3 7.0 3.8 58.6 4. 58.0 6. 78.9 5.8 58.9 70 53. 67.9 6.7.6 5. 59.5 58.0 80. 6.6 0.5 7.5..4 9.4 6.5 4.5 9.8.7 70.5 94.5 6.9 8.0 8.3.9 76.0 0.7 6.8 34.0.9 6.7 78.7 6.9 6.8 50.0 33.5 6.5 50 37.0 9.7 7.9 56.5 6.5 85.7 4.0 35.6 8.3 64.0 6.3 86.4 4.9 4.5 8.8 7.4 6. 87. 70 5. 77.7 8.5 06.7 0.9.7 58. 78.3 8.9 08.6 0..9 6. 78.9 9. 0.5 9.3 9.0 67.4 5.8 9. 56.9 4.7 95.7 75.3.0 9.4 53. 3.4 95.3 79. 6.3 9.7 49.5. 95.0 50 37. 9. 8.0 56.5 6. 80.4.9 36.4 8. 63.9 6.9 80.9 4.8 43.7 8. 7.4 7.7 8.4 70 53. 69. 8.5 98. 0.0 83. 58. 77.6 8.5 06.7 0.8 83.8.7 86.0 8.6 5.3.6 84.4 69. 09.3 8.9 39.6 3.5 86.0 75.4 8.8 9.0 49.4 4.3 86.6 78.6 8. 9. 59.3 5. 87.3 50 37. 8.7 8. 56.4 5.8 77.8.9 37. 7.8 63.9 7.6 78. 4.7 45.8 7.5 7.3 9.5 78.6 70 53.9.7 8.4 89.4 9. 79.5 58. 76.9 8. 04.8.6 80..3 93.0 8.0 0. 4.3 8.0 70.7 9.8 8.7.3. 8. 75.6 6.5 8.6 45.7 5.3 8.3 78.0. 8.4 69.0 8.5 83.5 50 38. 8.9 9.8 5.. 05. 4.5 8.0 9.3 59.8 3.7 06.0 43. 37. 8.9 67.3 5.5 06.7 70 53.8 6.5 0.4 97.8 5.7 09.8 58.6 7.6 9.9 05. 7.4 0.5 6.0 80.6 9.3.5 9.3. 50 38.3 7.5 9.8 5.0.0. 4.8.9 0.0 57..3.5 43.6 8.4 0. 63.3.5.9 70 54. 58.0 0.3 93.0 5.4 0.9 59. 63. 0.5 98.9 5.6 03.3 6.6 68. 0.7 04.8 5.7 03.7 50 38.4 6. 9.8 49.7.8 97.5 4.7 4.3 9.6 57.0 3.0 97.9 43.4 3.5 9.3 64.3 4. 98. 70 54.6 53.6 0. 88. 5. 99.4 58.8 68.3 0.0 0.4 6.8..9 83.0 9.8 6.5 8.6.8 50 39.7 0.5. 44.0 8.4 4.4 4.8 08.4. 50.0 8.9 5.0 44.3 4..3 56. 9.3 5.6 70 55.6 44.0.8 87.5.3 8.8 59.9 5.6.9 95.5.8 9.6 6.0 59. 3.0 03.5.3.3 50 39.7 03.0.9 43.5 8.7 9.6 4.7 08.8.9 49.5 9..0 44.3 4.6.0 55.5 9.6.4 70 55.5 45..3 87.3.8.5 59.8 5.6.4 95.0.3 3.0 6.0.0.5 0.7.8 3.5 50 39.6 03.5.6 43.0 9.0 7. 4.7 09.3.6 49.0 9.4 7.4 44. 5..7 54.9 9.8 7.7 70 55.4 46.4.9 87.0.3 9.3 59.8 53.6.0 94.5.8 9.7 6.0.7. 0.0 3.3. Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. 4/9/4 SD50WN 06/4 3 Page of

NXW80 Performance Data Heating ES 50 70 Source Flow GPM 45 45 45 45 EL Load Flow - GPM Load Flow - 45 GPM Load Flow - GPM MBUH COP LS Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. MBUH COP LS SD50WN 06/4 4 Page of MBUH COP LS 7.3 84. 0.0 50.0 5.4 3.3 68.3 85.7 9.7 5.4 5.6 3. 66. 87. 9.5 54.9 5.8 3. 80 9.8 76.9.9 3.7 4.0 4. 87.9 78.8.6 35.8 4. 4.0 86.0 80.7.3 38.9 4.3 3.8.3 69.7 5.9 5.5 3. 4.9 07.6 7.9 5.5 9. 3.3 4.7 05.8 74. 5.0.8 3.4 4.5.8 6.5 8.8 98..5 5.6 7.3 65.0 8.3 0.5.6 5.4 5.6 67.6 7.8 06.8.8 5.3 7.7. 0. 55.8 5.5 4.8 68.5 9.8 9.8 58.4 5.7 4.7 66.4 93.5 9.5 6.0 6.0 4.6 80 9. 8.9 3.0 37.6 4. 5.4 88. 84.0.6.8 4.3 5.3 86. 86.0.3 44. 4.4 5..6 73.7 5.9 9.4 3. 6.0 07.8 76. 5.5 3.3 3.3 5.9 06.0 78.5 5. 7. 3.5 5.8 3.0 65.5 8.9 0..6 6.6 7.5 68.3 8.3 05.7.7 6.5 5.7 7. 7.8 0..8 6.3 75. 6.4 0.6.4 6.3 37.3 70. 8.5 0.3 93.4 6.5 37. 67.7.5 9.9 96.5 6.8 36.9 80 94.5 6.8 3.5 70.7 4.7 38.6 89.7 9. 3. 74.4 4.9 38.4 87.4.5.7 78. 5. 38. 3.8 07. 6.5 5.0 3.7 39.9 09.3 09.9 6.0 55.3 3.8 39.6 07..6 5.5 59.7 4.0 39.4 33. 97.6 9.4 3.3 3.0 4. 8.9 00.6 8.8 36.3 3..9 6.8 03.6 8.3 4.3 3.3.6 75.7 36. 0.7 99.6 6.5 4. 70.6 38. 0.4 0.8 6.7 4.0 68.0. 0.0 05.9 7.0.8 80 95.0 5.5 3.7 78.9 4.8 4.0. 7.9 3. 8.7 5.0 4.9 87.7.4.8 86.6 5.3 4.7 4.3 4.9 6.6 58. 3.8 43.0 09.7 7.7 6. 6.7 4.0 4.8 07.4 0.5 5.6 67.3 4. 4.6 33.6 04.3 9.6 37.4 3. 43.9 9. 07.5 9.0 4.7 3. 43.7 7.0 0.7 8.4 47.9 3.4 43.4 76.4 45.8 0.8 08.9 6.7 43.0 7.0 47.9 0.5. 6.9 4.9 68.3 50.0 0. 5.4 7. 4.8 80 95.6 34. 3.8 87. 5.0 43.8.5 36.7 3.4 9. 5. 43.6 88.0 39..9 95. 5.4 43.5 4.8.6 6.8 65.3 3.9 44.5 0.0 5.5 6.3 70. 4. 44.3 07.6 8.5 5.7 74.8 4.3 44. 34..0 9.8 43.5 3. 45. 9.5 4.4 9. 49.0 3.3 45.0 7.3 7.8 8.5 54.6 3.4 44.8 78.3 74.8. 36.5 7. 54. 7.3 77.4 0.8.4 7.5 54.0 69.3 79.9 0.5 44.3 7.8 53.7 80 97.5 6.8 4. 3.5 5.4 55.8 9.8 64.7 3.7 8.0 5.7 55.5 88.9 67.6 3..6 5.9 55. 6.6 48.8 7..4 4.3 57.3. 5. 6.5 95.6 4.5 57.0 08.5 55.3 6.0 00.8 4.7 56.6 35.7 35.8 0. 67.3 3.4 58.8.6 39.4 9.4 73. 3.6 58.5 8. 43. 8.7 79. 3.8 58. 79. 88..4 49. 7.4 58.9 7.9.7.0 53. 7.7 58.8 69.8 93. 0.6 57.0 8. 58.6 80 98.3 74. 4.4 5.0 5.6.0 9.3 77. 3.9 9.7 5.8 59.8 89.3 80.0 3.4 34.4 6. 59.6 7.3. 7.4 00.8 4.4 6..7 63.5 6.8 06. 4.6.8 08.9 66.9 6..7 4.8.6 36.4 46. 0.4 76.6 3.5 6. 3. 49.9 9.7 8.8 3.7 6.9 8.5 53.8 9.0 89.0 3.9 6.6 80..5.6 6.9 7.6 6.3 73.5 4.0. 65.9 8.0 6. 70. 6.4 0.7 69.8 8.4 6.0 80 99. 86.5 4.6 36.6 5.7 6. 9.9 89.5 4. 4.4 6.0 6.0 89.7 9.4 3.6 46. 6.3 6.8 8. 7.5 7.7. 4.5 63.0. 75.0 7.0 6.9 4.7 6.8 09.3 78.5 6.4.5 5.0 6.6 37. 56.4 0.7 85.9 3.6 63.8 3.6.5 0.0 9.4 3.8 63.6 8.8 64.5 9. 98.9 4.0 63.4 8.5 33..9 8.7 8.0 7. 74.5 36.3.4 87.3 8.4 70.8 7.0 39.4.0 9.0 8.8 70.5 80.5 6.8 4.8 56. 6. 7.9 93.8 30.3 4.3 6.6 6.4 7.6.5 33.8 3.7 67.0 6.7 7. Operation not recommended. 8.7 3.. 98.8 8. 76.7 75.3 343..6 3.5 8.6 76.5 7.5 346.. 8. 9. 76.3 80 0.5 3.8 5. 7. 6.3 77.9 94.5 36.3 4.5 76.6 6.6 77.7 9.0 39.7 4.0 8. 6.9 77.5 Operation not recommended. 83.8 357..4 35.0 8.5 79.5 76.0 3..9 39.6 8.9 79.3 7. 36.9.4 34. 9.4 79. 80 0.6 338.8 5.4 86. 6.4 80.5 95. 34. 4.8 9.6 6.8 80.3 9.5 345.7 4. 97. 7. 80. Operation not recommended. 4/9/4

NXW80 Performance Data cont. Cooling ES Source Flow GPM EL Load Flow - GPM Load Flow - 45 GPM Load Flow - GPM MBUH EER LS MBUH EER LS MBUH EER LS 50 36.6 00.7 9.3 3.3.7 65.5.7 09.3 9.3 4..5 66. 4.7 7.8 9.4 49.8 3. 66.7 70 5.6.3 0.0 94.3 6. 69.6 58.0 7. 0.0 5.3 7.0 70.4.6 8.9 0. 36.3 8.0 7. 50 70 0 45 45 45 45 68.7 39.9 0.7 356.3.0 73.8 75. 33.9 0.7 369.5 3.0 74.6 78.5 345.9 0.8 38.8 3. 75.5 50 36.4 04. 9. 35.3.4.5.5 3. 9. 44.3 3.3.9 4.6.0 9. 53.4 4. 6.3 70 5.4 64. 9.6 97. 7.4 63. 58.0 70.0 9.7 3. 7.8 63.5.8 75.8 9.8 9. 8.3 63.7 68.4 34. 0. 359.0 3.8 66.0 75.5 36.9 0. 36.9 3.9 66. 79.0 39.6 0.3 364.7 3.0 66. 50 36. 07.7 9.0 38.3 3. 57.9.4 6.9 9.0 47.6 4. 58.3 4.5 6. 9.0 57.0 5.0 58.6 70 5. 68. 9.3 0.0 8.7.0 58.0 68.9 9.4 0.9 8.7.0 6.0 69.6 9.4.8 8.6. 68. 38.6 9.7 36.6 33.9 6. 75.7 30.9 9.8 354. 3.9 6.8 79.6 33. 9.8 346.7 3.8 6.6 50 37.6 86.3. 4. 6.8 84.9 4.4 93.7. 3.7 7.4 85.4 43.3 0.0. 39.3 7.9 86.0 70 53.0 54.6. 95.7. 89.7 58.5 59.8..3.4. 6. 64.9.3 6.8.6.5 68.5 3.9 3.0 367.3 4.8 94.5 75.5 35.8 3. 370.8 4.7 94.7 79.0 38.8 3.3 374.3 4.7 95.0 50 37.4 89.6 0.8 6.6 7.5 80. 4. 97. 0.9 34.3 8. 80.4 43. 04.7.0 4. 8.7 80.8 70 5.7 59.0.7 98.9. 83.3 58. 64.4.8 4.5.5 83.5 6.0 69.8.8 30..8 83.8 68. 38.5.5 37. 6. 86.5 75.3 33.7.6 374.7 6.3 86.7 78.8 334.8.7 378. 6.3 86.8 50 37. 9.9 0.6 9. 8. 77.6 4. 00.6 0.7 37.0 8.8 77.9 43. 08.3 0.7 44.9 9.5 78. 70 5.4 63.5.3. 3.3 80. 58.0 69.0.4 7.8 3.7 80.3.8 74.6.4 33.5 4. 80.4 67.7 334..0 375. 7.8 8.5 75.0 337.5. 378.6 8.0 8.6 78.6 3.8. 38. 8. 8.7 50 38.8 68.6 3.9 5.8. 04.4 4. 75.5 3.9 3.0.6 04.9 43.9 8.4 4.0. 3.0 05.3 70 54.7 9.7 4.9 80.5 5.5 08.7 59.4 37.5 5.0 88.7 5.8 09. 6.8 45.3 5. 97.0 6. 09.8 50 38.6 70.4 3.6 6.6.6 99.6 4. 77.4 3.6 3.9 3.0.0 43.9 84.5 3.7 3. 3.5.3 70 54.5 33.0 4.4 8.3 6. 0.5 59.3 4.0 4.5.6 6.6 0.9 6.7 49.0 4.7 99.0 7.0 03.3 50 38.5 7. 3.3 7.4 3.0 97. 4.0 79.4 3.3 4.8 3.5 97.5 43.8 86.6 3.4 3.3 4.0 97.7 70 54. 36.3 4.0 84. 6.9 99.5 59. 44.5 4. 9.5 7.4 99.7 6.6 5.7 4. 0.9 7.9.0 50 39.9 50.8 6.6 07.5 9. 3.8 43.0 57.3 6.7 4.3 9.4 4.3 44.5 63.7 6.8. 9.7 4.7 70 56.3 04.9 7.7 65..6 7.7.4 5.3 7.9 76.. 8.4 6.5 5.7 8.0 87.3.5 9. 50 39.9 5. 6.3 06.6 9.3 9. 43.0 57.7 6.3 3.5 9.6 9.5 44.5 64.3 6.4 0.4 0.0 9.8 70 56. 07.0 7. 65.6..8.3 7.6 7.3 76.7.6.3 6.4 8. 7.5 87.8 3..8 50 39.9 5.5 5.9 05.7 9.5 6.9 43.0 58. 6.0.7 9.9 7. 44.5 64.9 6.0 9.6 0.3 7.3 70 56. 09. 6.7 66.0.5 8.9. 9.9 6.8 77. 3. 9. 6.3.7 6.9 88.3 3.7 9.6 Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. 4/9/4 SD50WN 06/4 5 Page of

NXW Performance Data Heating ES 50 70 Source Flow GPM 80 80 80 80 EL Load Flow - GPM Load Flow - GPM Load Flow - 80 GPM MBUH COP LS Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. MBUH COP LS SD50WN 06/4 6 Page of MBUH COP LS 7.8 35..9 94.6 5.8 3.5 67.9 35.6.6 95.9 5.9 3.5 65.9 36..4 97.3 6. 3.4 80 9..3 5.9 68. 4. 4.4 87.5 4.4 5.9 70. 4. 4.3 85.7 6.5 5.9 7.3 4. 4.3 0.5 09.5 9.9 4.6 3. 5.3 07. 3. 0. 44.4 3. 5. 05.4 6.9 0.4 47.3 3. 5. 9.8 96.7 3.9 5..4 6. 6.7 0.0 4.4 8.7.4 6.0 5. 07.3 4.9..4 5.9 7.3 46..8 05.8 6. 4.9 68. 46.7.7 06.9 6. 4.8 66. 47..5 07.9 6.3 4.8 80 9.4 7.9 5.5 75. 4.3 5.6 87.7 3. 5.5 79. 4.4 5.5 85.9 36.4 5.6 83.3 4.5 5.4 0.5 09.5 9. 44.3 3. 6.4 07.3 7.7 9.4 5.5 3.3 6. 05.6 5.8 9.6 58.7 3.4 6.0 9.6 9..8 3.5.5 7. 6.8 03. 3. 3.8.6 6.9 5.4 5. 3.7 34..7 6.6 74.5.4 3.3 45. 6.4 37.7 69.7 9.7.9 47.8 6.6 37.6 67.3 9.9.5 50.4 6.9 37.5 80 94.0 80.3 7.8 9.5 4.6 39.0 89.4 8.6 7.7. 4.7 38.9 87. 84.9 7.6 4.9 4.7 38.8 3.5 70..4 93.8 3.5.3 09. 73.5.6 96.6 3.6. 06.9 76.9.7 99.3 3.6.0 33.0.0 6.9 68..8 4.6 8.8 64.4 7.4 70.9.8 4.5 6.7 68.8 7.9 73.8.8 4.3 75. 3.8 3.4 58. 6.6 4.4 70. 5.4 3.0 6.0 6.9 4.3 67.7 7.0.6 63.9 7. 4. 80 94.4 88.4 7.4 8.9 4.8 4.4 89.8 9.5 7.3 33.3 4.9 4. 87.4 96.7 7. 37.8 5.0 4. 3.6 7.9.5 99.6 3.7 43.3 09.3 79.6.7 05.7 3.8 43. 07. 86.3.9.7 3.8 4.9 3.9 57.4 5.5 70.3 3.0 44.3 8.9 66.7 6.0 78.0 3.0 44. 6.9 75.9 6.5 85.7 3. 43.8 75.9 37. 3.5 7. 6.9 43. 70.6 39. 3. 74. 7. 43. 68.0 3..8 77.4 7.3 43. 80 94.8 96.4 7. 38. 5. 44.0..4 7.0 44.5 5. 43.9 87.7 8.4 6.9 50.8 5.3 43.7 3.8 75.6 0.6 05.4 3.9 44.9 09.5 85.7 0.8 4.8 4.0 44.6 07.4 95.7.0 4. 4. 44.4 3.7 54.8 4. 7.5 3. 45.7 9.0 68.9 4.6 85.0 3. 45.4 7. 83.0 5.0 97.6 3.3 45. 77.8 356.9 4.6 6.9 7. 54.7 7.0 358.9 4. 30.6 7.4 54.5 69.0 3.8 3.6 34.3 7.7 54.3 80 97. 343.8 9.4 77.8 5. 56. 9.6 348.5 9. 83. 5.3 55.8 88.8 353.3 9.0 88.6 5.5 55.6 6.5 3.8 4. 48.6 4.0 57.6.3 338. 4. 55.8 4. 57. 08.6 345.7 4.3 6.9 4. 56.9 35.9 37.8 8.8 9.5 3. 59.0.9 37.9 9. 8.3 3.3 58.6 8.5 338. 9.6 37. 3.4 58. 78.6 37.6 4.9 3.7 7.3 59.3 7.5 375.3 4.4 36. 7.6 59. 69.5 378.0 3.9 3.6 8.0 59.0 80 97.7 354.4 9.0 89.6 5.5.3 9.0 3.6 8.8 96.5 5.6. 89. 366.9 8.6 3.4 5.8 59.9 6.8 336. 3. 57.5 4.3 6.4.5 346.0 3. 66.9 4.4 6. 08.9 355.7 3.3 76. 4.5.8 35.9 38. 7. 5.5 3.4 6.5 3.0 33.3 7.6 37.3 3.5 6. 8.6 344.5 8.0 49. 3.6 6.7 79.4 388. 5. 336.4 7.5 6.6 73. 39.7 4.7 34.6 7.8 6.5 69.9 395. 4. 346.9 8. 6.3 80 98. 365.0 8.6.4 5.7 6.5 9.4 37.7 8.4 9.8 5.9 6.3 89.5 380.4 8. 38. 6. 6.0 7. 34.7. 66.5 4.5 63.3.8 353.7. 78.0 4.7 63.0 09. 365.7.3 89.6 4.8 6.8 35.9 38.4 5.5 3.5 3.7 64. 3. 334.7 5.9 46. 3.8 63.8 8.8 35.0 6.4 6.0 3.9 63.5 8. 43.3 6.0 368.7 7.8 7.6 74. 46.0 5.4 373.4 8. 7.3 70.7 48.8 4.8 378. 8.5 7. 80.4 7.4 0.9 336. 5.7 73. 93.8 44.5 0.6 344. 5.9 7.8.5 4.6 0.3 35.3 6. 7.4 Operation not recommended. 8. 44.3 6.4 385. 7.9 77. 74.8 445. 5.8 39. 8.3 77.0 7. 449.0 5. 397. 8.7 76.8 80 0.0 40.4 0.5 350.4 6.0 78.3 94.3 48.7 0. 359.7 6. 78.0.9 437.0 9.9 369.0 6.4 77.7 Operation not recommended. 83.0 459.3 6.9.6 8.0 80.0 75.5 464. 6. 9.0 8.4 79.8 7.7 469. 5.5 46.3 8.9 79.6 80 0.7 433.5 0. 364.6 6.3 80.9 94.8 443.0 9.9 375. 6.5 80.6 9.3 45.4 9.6 385.7 6.8 80.4 Operation not recommended. 4/9/4

NXW Performance Data cont. Cooling ES Source Flow GPM EL Load Flow - GPM Load Flow - GPM Load Flow - 80 GPM MBUH EER LS MBUH EER LS MBUH EER LS 50 36.5 69.5.8 9.8.8 65.5.5 83.7.0 34.7 3.6 66. 4.6 98.0. 339.6 4.4 67.0 70 53.3 334.7.9 378.8 5.9 68.9 58.6 343.4 3. 388. 6. 69.4 6. 35. 3.3 397.4 6.6 69.9 50 70 0 80 80 80 80 70.0 0.0 4.0 447.8 8.5 7.4 76.6 3. 4. 45.5 8.5 7.6 79.8 6.3 4.3 455. 8.4 7.8 50 36.5 69.6.6 9. 3..3.6 83.4.8 33.6 4.0.8 4.6 97..0 338. 4.8 6.3 70 53.7 36.3.5 369.0 6.0 6.3 58.9 334.5.7 377.8 6.3 6.6 6.4 34.7.9 386.7 6.6 6.9 70.9 383.0 3.5 48.9 8.5 64.3 77. 385.6 3.6 43. 8.3 64.4 80.3 388. 3.8 435. 8. 64.5 50 36.5 69.7.4 8.5 3.7 57.7.6 83.0.6 3.6 4.4 58. 4.6 96.4.8 336.6 5. 58.4 70 54. 37.8. 359. 6. 59.0 59. 35.6.3 367.6 6.4 59. 6.7 333.3.5 376.0 6.7 59.4 7.7 366.0.9 40.0 8.4. 77.7 368. 3. 4.6 8..3 80.7 370. 3. 45.3 8.0.4 50 37.8 44.9 5.0 96. 6.3 84.8 4.4 57.3 5. 9. 7.0 85.5 43.3 69.6 5.3 3.0 7.6 86. 70 54. 35.3 6. 370.6 9.4 88.5 59. 34.9 6.4 38.0 9.8 89. 6.6 334.5 6.7 39.4 0. 89.6 70.7 385.7 7.4 445.. 9.3 76.9 39.5 7.7 45.9. 9.6 80.0 399.3 8.0 4.7. 93.0 50 37.7 45. 4.7 95. 6.7 79.8 4.4 57. 4.9 7.8 7.3 80.3 43.3 69. 5.0 30.5 7.9 80.7 70 54.5 30.6 5.7 364. 9.8 8. 59.3 39.9 5.9 374. 0. 8.5 6.8 39. 6. 384.3 0.4 8.8 7. 376.0 6.7 433..5 84.4 77. 38.6 7.0 4.6.5 84.7 80.3 389. 7.3 448..5 84.9 50 37.7 45. 4.3 94. 7. 77.4 4.4 57.0 4.5 6.6 7.7 77.7 43.3 68.8 4.7 39.0 8.3 78.0 70 54.7 5.8 5. 357.7 0. 78.9 59.5 34.8 5.4 367.4 0.4 79. 6.9 33.8 5.6 377. 0.7 79.4 7.7 366.3 6. 4..8 80.5 77.6 37.6 6.3 48.3.8 80.7 80.5 378.8 6.6 435.4.9 80.9 50 39.0 0.4 8. 8.4. 04. 4.3.8 8.3 93.4.6 04.7 44.0 4.3 8.5 4.4 3.0 05. 70 55. 95.9 9.5 36.5 5. 08. 59.8 6.4 9.8 373.9 5.5 08.7 6. 36.8 0. 385.4 5.8 09.3 50 39.0 0.6 7.7 8..4 99.4 4.3.9 7.9 9.0.9 99.7 44.0 4.3 8..9 3.4. 70 55.3 94.8 8.9 359.3 5.6 0.0 59.8 5. 9. 370.6 5.9 0.4 6. 35.6 9.4 38.9 6. 0.7 50 39.0 0.8 7.3 79.8.8 97.0 4.3 3.0 7.5.6 3. 97.3 44.0 4. 7.6.4 3.7 97.5 70 55.3 93.7 8.3 356. 6. 98.9 59.9 4.0 8.5 367.3 6.4 99. 6. 34.3 8.8 378.4 6.7 99.5 50. 95.8.4 68.7 9. 3.4 43. 04.4.5 77.8 9.5 3.9 44.7.9.7 86.8 9.8 4.3 70 56. 76.5.8 354.3. 7.7.4 87.9 3. 366.8.4 8.3 6.5 99. 3.5 379.4.7 9.0 50. 96. 0.8 67. 9.4 8.9 43. 04.7.0 76. 9.8 9. 44.7 3.3. 85.3 0. 9.5 70 56.0 79.. 354.4.6.8.3.6.4 367.0 3.0. 6.4.0.7 379.5 3.3.7 50. 96.3 0.3 65.4 9.7 6.6 43. 05.0 0.4 74.6 0.0 6.9 44.7 3.6 0.5 83.7 0.4 7. 70 55.9 8.7.3 354.5 3. 8.9. 93.3.6 367. 3.6 9. 6.4 4.9.9 379.6 3.9 9.5 Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. 4/9/4 SD50WN 06/4 7 Page of

NXW3 Performance Data Heating ES 50 70 Source Flow GPM EL Load Flow - GPM Load Flow - GPM Load Flow - GPM MBUH COP LS Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. MBUH COP LS SD50WN 06/4 8 Page of MBUH COP LS 7. 364.4 9.0 99.8 5.6 3.3 68. 365.7 8.6.3 5.8 3.3 66. 366.9 8. 4.9 5.9 3. 80 9.7 349.7 4.8 65.3 4. 4. 87.8 35. 4. 68.5 4. 4.0 85.9 35.7 3.7 7.8 4.4 4.0. 335.0.6.7 3. 4.9 07.5 336.8 9.9 34.8 3.3 4.8 05.6 338.5 9. 38.8 3.4 4.7.7 30.3 36.4 96..6 5.6 7. 3.3 35.6 0.0.7 5.5 5.4 34.3 34.8 05.7.7 5.4 7.6 377.7 9. 3.4 5.8 4.8 68.4 379. 8.7 35. 5.9 4.7 66.3 380.6 8.3 38.0 6. 4.7 80 9.0 36.0 4.9 76.0 4. 5.4 88. 36.8 4.4 79.6 4.4 5.3 86. 364.5 3.8 83. 4.5 5.3.5 344.3.7 39.6 3.3 6.0 07.7 346.4.0 44.0 3.4 5.9 05.8 348.4 9.3 48.4 3.5 5.9.9 37.6 36.5 03..6 6.6 7.3 3.0 35.6 08.4.7 6.5 5.5 33.4 34.8 3.6.8 6.4 75. 455.3 0.5 385.4 6.5 37. 70. 45.9 0.0 384.7 6.6 37. 67.5 450.5 9.5 383.9 6.8 37. 80 94.3 48.7 6.3 338.9 4.8 38.7 89.5 48.5 5.7 3.9 4.9 38.6 87. 48.3 5.0 34.9 5.0 38.6 3.4. 3. 9.5 3.7.3 09.0 4. 3.3 97. 3.8. 06.8 6.0.5.9 3.9 39.9 3.5 375.5 38.0 46.0.9 4.8 8.4 379.6 37.0 53.5 3.0 4.6 6.4 383.7 36.0 6.0 3. 4.3 75.6 467. 0.7 396.7 6.6 4. 70.3 464.6 0. 395.8 6.7 4. 67.7 46. 9.7 394.9 6.9 4. 80 94.6 439.3 6.5 349.0 4.9 4. 89.8 439. 5.8 35. 5.0 4. 87.3 439. 5. 353.3 5. 4. 3.7 4.4 3.3. 3.7 43.3 09. 43.8 3.5 6.5 3.9 43. 06.9 46.3.6 3.7 4.0 43. 3.8 383.5 38. 53.5.9 44.4 8.6 388.5 37. 6.8 3. 44. 6.6 393.4 36. 70. 3. 44.0 76.0 479. 0.8 8.0 6.7 43. 70.6 476.3 0.3 6.9 6.9 43. 67.9 473.6 9.8 5.9 7.0 43. 80 95.0 449.9 6.6 359.0 5.0 44.0.0 450.0 6.0 36.4 5. 44.0 87.5 450. 5.3 363.7 5. 43.9 4.0 40.7 3.4 30.0 3.8 44.8 09.4 43.6 3.6 35.8 3.9 44.7 07. 46.5.8 3.5 4. 44.6 33. 39.5 38. 6.0 3.0 45.6 8.8 397.3 37. 70. 3. 45.5 6.7 3.0 36. 79.4 3.3 45.3 78.6 559.5. 483.8 7.4 53.9 7.3 553.7.6 479.9 7.5 54.0 69. 547.9. 475.9 7.6 54. 80 97.3 59.0 8.0 43.4 5.4 55.9 9.5 57.3 7. 44.4 5.6 55.9 88.6 55.6 6.5 45.3 5.7 55.8 5.9 478.5 33.8 363. 4. 57.9 0.7 480.9 3.8 368.9 4.3 57.7 08. 483.4 3.9 374.7 4.4 57.5 34.6 438.0 39.6.7 3. 59.9 9.9 444.6 38.5 33.4 3.4 59.6 7.5 45. 37.3 34.0 3.5 59. 79.0 570.0.4 493.7 7.5 59.0 7.5 563.6.8 489.3 7.6 59. 69.3 557.. 484.8 7.7 59. 80 97.6 58.9 8. 43.7 5.5.4 9.7 57.3 7.4 433.7 5.6.4 88.8 55.6 6.6 434.8 5.8.3 6.3 487.8 34.0 37.8 4. 6.7 0.9 4.9 33.0 378. 4.4 6.6 08. 494.0 3.0 384.7 4.5 6.5 34.9 446.7 39.8 30.8 3.3 63.. 454.6 38.6 3.7 3.4 6.8 7.7 46.4 37.5 334.6 3.6 6.6 79.3 580.5.5 503.6 7.5 6.6 7.7 573.5.0 498.6 7.7 6.7 69.4 566.6.4 493.7 7.8 6.8 80 98.0 538.8 8.4 44.0 5.6 6.6 9.9 537. 7.6 443. 5.7 6.6 88.9 535.6 6.8 444. 5.9 6.6 6.6 497. 34. 380.4 4.3 63.7. 500.9 33. 387.6 4.4 63.5 08.4 504.6 3. 394.7 4.6 63.4 35. 455.5.0 38.8 3.3 64.7.3 464.6 38.8 33.0 3.5 64.5 7.9 473.7 37.6 345. 3.7 64. 8. 663.6 3.9 58. 8. 70.6 74.5 654.4 3.3 575. 8. 70.8 70.8 645..6 568.0 8.4 7. 80.3 9. 9.7 507.9 6.0 73. 93.5 6. 8.8 507.8 6. 73.. 3.0 7.9 507.7 6.3 73. Operation not recommended. 8.4 67.8 4. 5.7 8. 76.9 74.7 66.6 3.4 58.7 8.3 77. 70.9 65.4.7 574.8 8.4 77. 80.6 68.5 9.9 56.5 6. 78.5 93.7 65.3 9.0 56.3 6. 78.5. 6. 8. 56. 6.4 78.5 Operation not recommended. 8.7 68.9 4. 599. 8. 80.0 74.9 670.7 3.6 5.3 8.3 80. 7.0 659.6.9 58.5 8.4 80.3 80.9 67.7. 55.0 6. 8.3 93.9 64.4 9. 54.8 6.3 8.3.4 6. 8.3 54.7 6.4 8.3 Operation not recommended. 4/9/4

NXW3 Performance Data cont. Cooling ES Source Flow GPM EL Load Flow - GPM Load Flow - GPM Load Flow - GPM MBUH EER LS MBUH EER LS MBUH EER LS 50 37. 384.9 8.3 447.4.0 64.9 4.0 4. 8.7 467.8.7 65.6 4.9 43.4 9.0 488.3.3 66.3 70 53.4 498.4 0. 567. 4.7 68.9 58.6 5.7 0.5 58.5 5.0 69.4 6. 55.0 0.8 595.9 5.3 69.9 50 70 0 69.6 6.9.0 686.9 7.8 7.9 76. 69.3.3 695. 7.8 73. 79.6 66.6.6 703.6 7.8 73.5 50 37. 383. 8.0 444.5.3 59.9 4..7 8.3 465..0.3 43.0 4.3 8.6 485.8.7.8 70 54.0 48.4 9.5 548.0 4.7 6. 59.0 494.7 9.7 56. 5. 6.5 6.5 508.0 0.0 576. 5.4 6.8 70.7 579.7. 65.6 7.5 64.5 77.0 586.7. 659. 7.7 64.6 80. 593.8.3 666.6 7.8 64.8 50 37.3 38.5 7.6 44.6.7 57.4 4..3 7.9 46.5.4 57.7 43.0 4. 8. 483.3 3. 58. 70 54.5 464.5 8.9 58.9 4.6 58.8 59.4 477.8 9.0 54.7 5. 59.0 6.8 49. 9. 556.4 5.6 59.3 7.8 547.5 0. 66. 7..3 77.7 554. 0. 6.9 7.5.4 80.6 56.0 0. 69.6 7.9.5 50 38. 353.3.7 4.8 5.6 84.4 4.8 37.0 3.0 449.5 6. 85.0 43.5 388.7 3.3 468.3 6.7 85.6 70 54.5 465.8 4.7 550.0 8.9 88.3 59.3 48.4 5.0 566.7 9. 88.9 6.7 497.0 5.4 583.5 9.6 89.4 70.7 578.3 6.7 669..7 9.3 76.9 59.7 7.0 684.0.9 9.8 79.9 5. 7.4 698.7. 93.3 50 38.3 35.. 48.0 5.8 79.5 4.8 370.0.5 446.8 6.4 79.9 43.5 387.8.8 465.7 7.0 80.3 70 54.8 455.3 4.0 537.0 9.0 8.9 59.6 470. 4. 55.9 9.4 8.3 6.9 485. 4.5 568.7 9.8 8.6 7.4 558.5 5.7 646..8 84.4 77.3 570.5 5.9 658.9.0 84.6 80.3 58.4 6. 67.7.3 84.9 50 38.3 350.8.8 45. 6. 77. 4.8 368.9. 444. 6.7 77.4 43.6 387.0.3 463. 7.3 77.7 70 55. 444.8 3. 54. 9. 78.7 59.8 459.0 3.4 539.0 9.6 79.0 6. 473.3 3.6 553.9 0.0 79. 7.0 538.7 4.7 6.9.8 80.4 77.8 549. 4.8 633.8. 80.6 80.7 559.7 4.9 644.7.5 80.7 50 39.3 3.7 7. 44..9 03.8 4.5 337.9 7.3 43..4 04.4 44. 354. 7.6 448.3.8 04.9 70 55.6 433. 9. 53.8 4.8 07.8.0 45.0 9.6 55.9 5.3 08.4 6. 468.9 9.9 57. 5.7 09.0 50 39.3 30.9 6.5 4.5. 99. 4.5 337. 6.8 48.5.6 99.5 44. 353.4 7.0 445.6 3. 99.9 70 55.7 49. 8.4 56.0 5. 0.7. 445.7 8.7 543.6 5.5 0. 6.3 46. 9.0 56. 5.9 0.5 50 39.3 30. 6.0 8.8.3 96.8 4.5 336.5 6. 45.9.8 97. 44. 35.8 6.4 44.9 3.3 97.4 70 55.8 45. 7.6 59. 5.4 98.7. 4.3 7.8 535.3 5.8 98.9 6.4 455.6 8. 55.3 6. 99. 50.3. 3.5 397.5 9. 3. 43. 4.8 3.7 4.9 9.6 3.8 44.7 39.4 3.9 48.3 0.0 4.3 70 56.6 0.6 33.7 55.6.9 7..7 40.7 34. 537..3 7.9 6.7 4.8 34.5 558.7.8 8.6 50.3 89.8.8 394.9 9.4 8.8 43. 4.4 3.0 40. 9.8 9. 44.7 39.0 3. 45.5 0. 9.5 70 56.6.9 3.8 55.0.3.4.6 4. 33. 534.4.7.9 6.7 439.3 33.5 553.7 3..3 50.4 89.5. 39.4 9.6 6.5 43. 4.0.3 7.6 0.0 6.8 44.7 38.6.5 4.7 0.4 7.0 70 56.5 5.3 3.0 54.4.7 8.6.6 4.6 3. 53.6 3. 8.9 6.7 437.8 3.5 548.8 3.5 9. Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. 4/9/4 SD50WN 06/4 9 Page of

NXW0 Performance Data Heating ES 50 70 Source Flow GPM 50 00 50 00 50 00 50 00 EL Load Flow - GPM Load Flow - 50 GPM Load Flow - 00 GPM MBUH COP LS Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. MBUH COP LS SD50WN 06/4 0 Page of MBUH COP LS 7.3 56.9. 4.3 5.5 3.9 67.6 566.3 9.0 467.5 5.7 3.8 65.7 569.7 7.8 474.6 6.0 3.7 80.6 58.0 38.4 397.0 4.0 4.7 87.0 54.4 36.8 398.8 4. 4.7 85. 50.8 35.3 0.5 4.3 4.7 09.9 493. 46.7 333.8 3. 5.5 06.4 48.6 44.7 3. 3. 5.6 04.7 47.0 4.7 36.4 3. 5.6 9. 458. 55.0 70.5.4 6.4 5.9 4.7 5.5 6.4.5 6.5 4. 43. 50. 5.3.5 6.6 7.8 59.7 3. 485.7 5.6 5. 68.0 597..0 495.0 5.8 5. 66.0.8 8.9 504. 6. 5.0 80 9.0 55.4 39. 47.7 4. 5.8 87.3 545.8 37.5 47.8 4.3 5.8 85.4 5. 35.9 47.8 4.4 5.8 0. 5. 47.3 349.7 3. 6.5 06.6 494.4 45. 3.6 3. 6.6 04.8 477.7 4.9 33.4 3.3 6.7 9.4 470.8 55.4 8.7.5 7. 5.9 443.0 5.6 63.3.5 7.4 4. 45. 49.9 45.0.4 7.6 73.4 667.5 33.0 555.0 5.9 38.9 69. 684.7 3.3 574.6 6. 38.5 67.0 70.9 3.6 594. 6.5 38. 80 9.8 639.5 4.5 497.9 4.5.0 88.7 650.9. 53.6 4.7 39.7 86.6 66.3 39.0 59.3 5.0 39.4. 6.5 50.0 4.8 3.6 4. 08. 67. 48. 45.6 3.8.9 06. 6.6 46.4 464.4 3.9.7 3.7 583.5 58.5 383.7.9 4.3 7.8 583. 56. 39.6 3.0 4. 5.8 583.0 53.8 399.5 3. 4.0 74.0 698.5 34. 58.0 6.0 4. 69.9 739.7 34.0 63.7 6.4 4.7 67.8 780.9 33.9 665.3 6.8 4. 80 93.3 665.5 4.5 50.4 4.6 43. 89. 69. 4.5 549.7 4.9 4.7 87. 77.0.5 578.9 5. 4.3.6 63.5 50.9 458.8 3.6 43.9 08.6 64.8 49.0 475.6 3.8 43.7 06.5 653. 47. 49.5 4. 43.4 3.0 599.5 59.3 397. 3.0 44.7 7.9 594.4 56.5.6 3. 44.6 5.9 589.3 53.7 6.0 3. 44.6 74.6 79.4 35. 9. 6. 43.9 70.6 794.6 35.7 67.8 6.5 43.3 68.6 859.8 36. 736.4 7.0 4.6 80 93.8 69.4 43.5 54.9 4.7 44.6 89.8 73.6 4.8 585.7 5.0 44. 87.7 77.8 4.0 68.5 5.4 43.7 3. 653.4 5.8 476.8 3.7 45. 08.9 668.6 49.8 498.6 3.9 45.0 06.8 683.7 47.8 50.5 4. 44.8 3.3 65.4.0 40.6 3.0 45.9 8. 5.6 56.9 4.6 3. 45.9 6.0 595.7 53.7 4.6 3.3 45.9 76.0 800.9 36.9 675.0 6.4 56.5 7. 834. 36.6 709. 6.7 55.8 68.7 867.3 36.3 743.3 7.0 55. 80 95.5 774.4 45.4 69.4 5.0 57.6.7 798.8 44.4 647.4 5.3 57. 88. 83. 43.3 675.3 5.6 56.5 5.0 747.9 53.9 563.8 4. 58.7 0. 763.4 5. 585.6 4.3 58.3 07.8 778.9 50.3 7.3 4.5 57.9 34.4 7.3 6.5 508. 3.4 59.8 9.7 78.0 59.9 53.8 3.6 59.5 7.3 734.7 57.3 539.3 3.8 59. 76.7 834.0 38. 703.8 6.4.6 7. 93.0 39.0 779.9 6.9 59.6 69.9 99. 39.9 856.0 7.3 58.6 80 96. 80.9 46.6 643.8 5.0 6.4 9.4 858. 46. 700.5 5.4.7 89. 93. 45.7 757. 5.9 59.9 5.4 77.8 55. 583.8 4. 6. 0.7 803. 53.3 6. 4.4 6.7 08.3 834.3 5.5 658.5 4.7 6. 34.8 7.7 63.6 53.8 3.4 63.0.0 748..5 54.8 3.6 6.8 7.6 755.4 57.4 559.7 3.9 6.5 77.3 867. 39.4 73.5 6.4 6.7 73. 99.0 4.4 850.6 7.0 6.5 7. 6.8 43.4 968.6 7.5.3 80 96.6 83.4 47.8 668. 5. 63.3 9. 97.4 48.0 753.7 5.6 6.5.0 3.3 48. 839. 6. 6.6 5.9 795.7 56. 3.8 4. 64.0. 84.7 54.5 656.7 4.5 63.4 08.9 889.7 5.8 709.6 4.9 6.9 35. 7.0 64.6 539.5 3.4 64.6. 768. 6. 559.8 3.7 64.4 7.8 776. 57.5 580. 4.0 64. 78.7 934.3.8 795. 6.7 74. 73. 983.5 4.0 843.8 7.0 73. 70.3 03.7 4. 89.4 7.4 7. 80 98. 9.3 49.3 74.0 5.4 75. 9.6 946.6 48.5 78. 5.7 74.4 89.8 984.0 47.7 8.3 6. 73.6 7.7 884.3 57.9 686.8 4.5 76.3. 9.7 56.0 78.6 4.8 75.6 09.4 935. 54. 750.3 5. 75.0 Operation not recommended. 79.4 969.6 4. 85.5 6.7 79.0 74.5 086.4 44. 936. 7. 77.5 7.0 3.3 45.9 046.6 7.7 76.0 80 98.8 9.4 50.7 767. 5.4 79.8 93.7 04.9 50.8 85.4 5.9 78.6 9. 09.4 50.9 935.6 6.4 77.5 8. 9. 59.3 708.9 4.5 80.5.8 963.3 57.6 766.7 4.9 79.8 0. 05.5 56.0 84.5 5.3 79.0 Operation not recommended. 80. 4.8 43.6 855.9 6.7 8.4 75.9 89.3 47. 08.4 7.4 79.7 73.7 373.9 50.7 0.8 7.9 78.0 80 99.4 97.4 5. 793.4 5.5 8. 94.7 03. 53. 9.6 6. 80.8 9.3 34.8 54. 049.8 6.7 79.5 8.8 938.0.7 7.9 4.5 8.7 3.6 06.9 59. 84.8 5.0 8.9.0 095.8 57.7 898.7 5.6 8.0 Operation not recommended. 4/9/4

NXW0 Performance Data cont. Cooling ES Source Flow GPM EL Load Flow - GPM Load Flow - 50 GPM Load Flow - 00 GPM MBUH EER LS MBUH EER LS MBUH EER LS 50 37.6 60.8 9.7 7. 0.9 64.4.9 68. 3.0 786.7.0 65.7 4.6 74.5 3. 85.3 3.0 67.0 70 54.0 798. 33.04 90.9 4. 68. 58.8 843.4 34.3 9.3 4.6 69. 6. 888.6 35.5 9.7 5.0 70. 50 70 0 50 00 50 00 50 00 50 00 70.5 975.6 36.38 099.7 6.8 7.0 76.6 5.6 37.6 33.9 6.7 7.7 79.6 035.7 38.8 68. 6.7 73.4 50 37.6 69.0 8.95 77.8.4 59.6 4.0 677..46 78.0..4 4.6 735. 3.0 844.3 3.0 6.3 70 54.5 775.9 3.53 883.5 4.6 6.8 59. 8.3 33.0 93.9 4.6 6.3 6.5 846.8 34.4 964.3 4.6 6.9 7.3 93.8 34. 049. 7.3 64.0 77.4 945.5 35.5 066.7 6.6 64. 80.4 958.3 36.9 084. 6.0 64.5 50 37.7 67.3 8.9 73.5.9 57. 4.0 673..0 775.4.5 57.8 4.7 79.0 3.7 837. 3.0 58.4 70 54.9 753.6.0 856.0 5. 58.6 59.6 779.3 3.7 887.4 4.6 58.9 6.0 805.0 33.4 98.8 4. 59. 7. 889.9 3.84 998.6 7.9.0 78. 885.5 33.4 999.4 6.5.0 8. 88.0 35.0 0.3 5..0 50 38.7 567. 37.0 694. 5. 83.9 4.8 65.8 38.3 746.4 6. 84.9 43.4 664.4 39.4 798.7 6.9 86.0 70 55. 737.5.45 875.5 8. 87.5 59.6 78.7 4.7 93.9 8.8 88.5 6.7 85.9 4.9 97.3 9.3 89.4 7.8 7.9 43.69 057.0 0.8 9. 77.4 947.7 45. 0.4.0 9.0 80. 987.5 46.4 45.9.3 9.9 50 38.7 566.6 36.06 689.7 5.7 79. 4.8 64.5 37. 74.5 6.5 79.9 43.4 66.3 38.4 793.4 7. 80.6 70 55.5 75.6 38.6 857.4 8.8 8.4 59.8 765.0 39.9. 9. 8.0 6.0 804.3 4. 944.9 9.5 8.6 7.3 884.6 4.6 05..5 83.7 77.8 95.5 4.6 0.8.5 84. 80.5 946.3 44.0 096.5.5 84.6 50 38.7 566. 34.9 685. 6. 76.9 4.8 63. 36. 736.7 6.9 77.4 43.4 6. 37.5 788. 7.6 77.9 70 55.7 73.7 36.78 839. 9.4 78.4.0 748. 38. 878.4 9.6 78.8 6. 78.7 39.5 97.6 9.8 79. 7.8 86.4 38.64 993..3 79.9 78. 883.3. 00..0 80. 80.9 5. 4.6 047..8 80.5 50 39.7 53.6 44.69 666.0.5 03.3 4.7 550.4 45.6 706.. 04. 44. 587.3 46.5 746..6 04.9 70 56.5 676.9 47.85 8. 4. 06.8.4 70. 49. 887.5 4.7 07.7 6.4 763.3 50.3 934.8 5. 08.7 50 39.7 54. 43.7 66.5.9 98.8 4.6 55.8 44.0 70.0.5 99.4 44. 589.3 44.9 74.5 3. 99.9 70 56.5 675.4 45.69 83.3 4.8 0..4 78.6 46.8 878.4 5.3 0.7 6.4 76.8 48.0 95.6 5.9 0.3 50 39.7 54.9 4.66 657.0.4 96.6 4.6 553. 4.4 697.9 3.0 97.0 44. 59.4 43. 738.9 3.7 97.4 70 56.5 673.8 43.54 8.4 5.5 98..4 77. 44.6 869.4 6. 98.7 6.4 7.4 45.7 96.4 6.6 99. 50.8 4.0 5.8 638.0 8.8.8 43.5 485. 5.9 665.7 9. 3.3 44.9 50. 53.7 693.5 9.5 3.9 70 57.7 66. 55.5 804.8. 6. 6. 658.5 56.5 85..7 7.0 63.0 700.7 57.7 897.4. 7.9 50.8 46.8 50.9 633.4 9. 8.4 43.5 489. 50.8 66.5 9.6 8.8 44.8 56.4 5.3 69.6 0. 9. 70 57.5 65. 5.78 805..8.7 6.0 67. 53.8 855.7.5.4 6.8 79.4 54.8 6.3 3.. 50.7 463.7 48.39 68.8 9.6 6.3 43.4 493. 48.7 659. 0. 6.6 44.8 5.6 49.0 689.7 0.7 6.9 70 57.3 634.0 50. 805.6.6 8..9 686.0 5. 8.4 3.4 8.6 6.6 738. 5.9 95. 4. 9. Note: Operation in shaded areas require special attention to ensure adequate water temperature and flow rates are maintained. Operation outside the limits could result in lockout. 4/9/4 SD50WN 06/4 Page of

S Contractor: Wiring Schematics Chiller with IntelliStart 97P86-0 /4/3 Yellow (9) Yellow (7) /White (0) /White (8) Legend F0 LP Low Pressure LS Leaving Source emp L-WC Load Water Coil emp PB Power Block PGM Phase Guard Monitor RV Reversing Valve SFS Source Flow Switch S-WC Source Water Coil emp F - Fuse B erminal Board CC Compressor Contactor CPM Compressor Protection Module CS Current Switch EL Entering Load emp ES Emergency Shutdown ES Entering Source emp HP High Pressure LFS Load Flow Switch Leaving Load emp S - Splice Yellow 4V ransformer F an/white (8) 35 PB /White Red for 08V Blue for -V Red for 380V Blue for 4V Blue for 575V Open Jumper Closed Jumper ¼ Quick Connector /White (6) an/white (83) 36 Ground Factory low voltage wiring Factory line voltage wiring Field low voltage wiring Field line voltage wiring Optional block Field Supplied Option hermistor Relay coil (95) Green/Yellow (6) /White () Yellow () 37 Yellow /White Orange (6B) Orange (6A) (4) (6) Yellow () 38 B (C) C 4VAC COM - (F0) 0 Yellow (4) /White (6) (RS) RS DO-9 (F9) 9 () () 5 (SS) SS DO-8 (R) R 4VAC (X) X DO-7 (LC) Comp B LC Alarm (LC) Comp A LC Alarm (X) X Acc NOE 3 (Y) Y COMP 4 3 + - + - 0 (F8) 8 (9) (9) S (F7) 7 Yellow Yellow (5) (8) (8) (F6) 6 Brown (53) Brown (53) (F5) 5 Brown (5) Brown (5) (F4) 4 Yellow Blue (5) Blue (5) (F3) 3 /White (6) Blue (45) (Y) Y COMP (O/B) O/B REV VALVE NOE 7 (F) Blue (46) Yellow (F) Orange (47) (F0) 0 G (G) NO USED AIC NO USED (AIC) SC (SC) NO USED L NO USED (L) (75A) S3 /Org (75B) Orange () + (F9) (F8) (F7) Page - Johnson FX-0 + GROUND 4VAC Com 4VAC J 39 4 J0 4 White (89) 43 White (88) 44 Gray (48) 45 Orange (47) 46 47 48 49 50 5 5 53 54 55 56 D09 D08 D07 D0 D05 D04 D03 5VDC AI3 D0 D0 0 9 8 7 6 5 4 3 0 6 9 8 7 - AI5 + AI4 - + AI6 6 5 4 3 A34 A33 A35 A3 NOE 6 A4 A4 AI 5VDC A3 A5 A A A AI LED 5VDC A A3 A3 PWM PWM Com PWM A5 4VAC Com DI 3 DI L3 DI0 DI9 DI8 J8 3 White/Red (80) 4 DI7 DI 3/4/5/6/ Com DI6 White/Red (8) 5 White/Blue (33) 6 White/Blue (34) 7 Yellow/Red (35) 8 Yellow/Red (36) 9 DI5 DI4 DI3 Yellow/Blue (37) Yellow/Blue (38) 3 an/ (84) 3 an/ (85) 33 34 Blue (46) Blue (45) J9 Blue (76A) Red (55) Gray (56) Blue (76B) DI 9VDC DI Brown (57) Gray (59) (97) Blue (98) G O NO USED White (89) 6 (O) (F6) /Org (70B) L (F5) Violet (67) N S A 9 (F4) CC Notes CPM M M /Org (7B) NOE 9 Violet (66) 8 (F3) J7 /White (63) (F) (F) /Org (7B) (7A) - Disconnect for 5 degree source side freeze protection CPM M M (70A) - Disconnect for 5 degree load side freeze protection 7 (7A) 3 Acc output is cycled with the lead compressor. 4 - A field installed flow switch is required for the load side and must be connected to PB-3 for the unit to operate. 6 NOE 9 5 A field installed flow switch is required for the source side and must be connected to R for the unit to operate. 5 4 3 B 6 3 5 4 9 7 8 White (88) 6 - Jumpers must be set as shown for correct control operation. If a communication (70A) card is present, it must be removed to check the jumpers. /Org (70B) 7 Reversing Valve will be energized for heating mode. White (89) 8 In Emergency Shutdown, line voltage is still present in control box. Emergency Orange () Switch is wired on low voltage circuit only. /Org (75B) 9 M and M are located on the compressor protection modules (CPM and CPM) inside of the compressor junction boxes. Only used on the 0 model. (75A) 0 Only used on the 0 model. Blue (45) 3 Compressor Protection Module # (CPM) L (IN) L (OU) L (IN) L (OU) L3 Soft Start Red Green/Yellow (3) Blue Compressor (Circuit ) Red Current Switch Grn/Yel CS Pink (58) CC White (88) Earth Ground L L CC Blue (46) Orange (47) S NOE 0 S (97) Blue (98) /White () 3 S Blue Blue White White (R) (Q) 7 Red 8 9 4 Blue 3 5 6 Grn/Yel Unit Power Supply Disconnect (fused disconnect optional) L L L3 L Compressor Protection Module # (CPM) 3 Earth Ground Compressor (Circuit ) F F F3 Disconnect handle (through the door) NOE 0 S S N 3 Blue 3 S 3 Blue Red L L L3 White (G) Red(C) Current Switch White(H) White(B) White (P) Red(J) (A) CS (N) L L L3 L L L3 L (IN) L (OU) L (IN) L (OU) L3 CC 3 Red (F) F5 F6 L L L3 White (E) (D) F4 F7 F8 F9 L White (L) (K) L L3 Soft Start L L L3 Red (M) 4 Orange (6B) 3 Orange (6A) S Orange () 0 9 0 34 35 3 3 6 S6 5 (49) Orange/Wht (6B) RV Orange/Wht (B) Orange (6A) RV Orange (A) White/Red (80) White/Red (8) White/Blue (33) White/Blue (34) Yellow/Red (35) Yellow/Red (36) Yellow/Blue (37) Yellow/Blue (38) an/ (84) an/ (85) an/white (8) an/white (83) Blue (76A) LP- Blue (49A) Blue/Wht (76B) LP- Blue/Wht (49B) (73A) HP- (74A) /Org (73B) HP- /Org (74B) Brn/Blk (4) Brn/Blk (4) Brn/Wht (87) Brn/Wht (86) 7 8 9 8 6 5 NOE 7 S-WC Circuit L-WC Circuit S-WC Circuit L-WC Circuit EL LS ES Brn/Blk (4) Brn/Blk (4) Brn/Wht (87) Brn/Wht (86) CS-A CS-B Connect to R on B Circuit A Circuit B SFS NOE 5 S5 (54) NOE (A) (A) White (B) White (B) NOE 0 3 4 5 6 7 8 9 3 7 6 5 4 3 0 J3 NOE 8 PB ES Brown (99) 5Vd AI c EXP 5Vdc 5Vd Com AI c EXP 5Vdc 5Vd Com AI3 c EXP 5Vdc 5Vd Com AI4 c EXP 5Vdc Com J 4 Vac 4 Vac Com DO6 4 Vac DO5 DO4 4 Vac DO3 A3 A43 NOE 4 A A A A33 A4 LFS A White (88) J A4 A3 A3 A3 (70A) /Org (70B) White (89) Main Board Connection Johnson FX0 Expansion Board Orange () /Org (75B) (75A) D0 D0 D07 D08 Blue (45) Blue (46) Orange (47) 8 7 6 5 4 3 BLACK WIRE HARNESS SD50WN 06/4 Page of

Contractor: Wiring Schematics cont. Chiller with Phase Guard 97P86-0 /4/3 Yellow (9) 3 S Yellow (7) PGM /White (0) Legend Earth Ground Y-OU /White (8) F0 Blue Yellow () LP Low Pressure LS Leaving Source emp L-WC Load Water Coil emp PB Power Block PGM Phase Guard Monitor RV Reversing Valve SFS Source Flow Switch S-WC Source Water Coil emp F - Fuse B erminal Board CC Compressor Contactor CPM Compressor Protection Module CS Current Switch EL Entering Load emp ES Emergency Shutdown ES Entering Source emp HP High Pressure LFS Load Flow Switch Leaving Load emp S - Splice Blue S 4V ransformer PB CS-A CS-B Connect to R on B Circuit A Circuit B SFS NOE 5 Open Jumper /White (6) an/white (8) 35 an/white (83) 36 Yellow /White Orange (6B) Orange (6A) (4) (6) 37 38 - + - + Yellow () - + B (C) C 4VAC COM (F0) 0 Yellow (4) /White (6) - Page Johnson FX-0 + GROUND 4VAC Com 4VAC J 39 4 J0 4 White (89) 43 White (88) 44 Gray (48) 45 Orange (47) 46 47 48 49 50 5 5 53 54 55 56 D09 D08 D07 D0 D05 D04 D03 D0 D0 0 9 8 7 6 5 4 3 0 6 9 8 7 6 5 4 3 A34 A33 A35 A3 5VDC AI3 - AI5 + NOE 6 AI4 - + AI6 A4 A4 AI 5VDC A3 A5 A A A AI LED 5VDC A A3 A3 PWM PWM Com PWM A5 Unit Power Supply Disconnect (fused disconnect optional) L L L3 F F F3 L L L3 4VAC Com Disconnect handle (through the door) DI Red Compressor (Circuit ) DI Red Blue Grn/Yel DI0 DI9 3 DI8 S S DI7 Compressor Protection Module # (CPM) NOE 0 (G) Red(C) Current Switch White(H) White(B) White Red(J) (A) CS L L L3 L L L3 3 F7 F8 F9 F4 F5 F6 CC L3 L L L L L3 (D) White (E) Red (F) White (L) (K) NOE 7 S-WC Circuit L-WC Circuit S-WC Circuit L-WC Circuit EL LS ES DI 3/4/5/6/ Com DI6 DI5 DI4 DI3 DI 9VDC DI J7 Orange/Wht (6B) RV Orange/Wht (B) Orange (6A) RV Orange (A) White/Red (80) White/Red (8) White/Blue (33) White/Blue (34) Yellow/Red (35) Yellow/Red (36) Yellow/Blue (37) Yellow/Blue (38) an/ (84) an/ (85) an/white (8) an/white (83) Blue (76A) LP- Blue (49A) Blue/Wht (76B) LP- Blue/Wht (49B) (73A) HP- (74A) /Org (73B) HP- /Org (74B) Brn/Blk (4) Brn/Blk (4) Brn/Wht (87) Brn/Wht (86) (54) J8 3 34 J9 Main Board Connection A3 A3 A3 A4 J 4 Vac 4 Vac Com DO6 4 Vac DO5 DO4 4 Vac DO3 5Vd AI c EXP 5Vdc 5Vd Com AI c EXP 5Vdc 5Vd Com AI3 c EXP 5Vdc 5Vd Com AI4 c EXP 5Vdc Com J J3 7 6 5 4 3 0 0 3 4 5 6 7 8 9 3 A A3 A43 NOE 4 A A A A33 A4 LFS Johnson FX0 Expansion Board White/Red (80) 4 White/Red (8) 5 White/Blue (33) 6 White/Blue (34) 7 Yellow/Red (35) 8 Yellow/Red (36) 9 Yellow/Blue (37) Yellow/Blue (38) 3 an/ (84) 3 an/ (85) 33 Blue (46) Blue (45) Red (55) Gray (56) (RS) RS DO-9 (F9) 9 () () 5 Brown (57) (SS) SS DO-8 (R) R 4VAC (X) X DO-7 (LC) Comp B LC Alarm (LC) Comp A LC Alarm (X) X Acc NOE 3 (Y) Y COMP 4 (F8) 8 (9) (9) S (F7) 7 Yellow Yellow (5) (8) (8) (F6) 6 Brown (53) Brown (53) (F5) 5 Brown (5) Brown (5) (F4) 4 Yellow Blue (5) Blue (5) (F3) 3 /White (6) Blue (45) (F) Blue (46) Yellow (F) Orange (47) (F0) 0 G (G) NO USED (F9) (F8) (F7) (F6) (F5) (F4) (F3) (F) (F) Gray (59) (97) A 9 8 7 6 5 4 3 3 0 (Y) Y COMP (O/B) O/B REV VALVE NOE 7 AIC NO USED (AIC) SC (SC) NO USED L NO USED (L) (75A) S3 /Org (75B) Orange () O NO USED White (89) 6 (O) Violet (67) Violet (66) /White (63) Green/Yellow (3) B 6 3 5 4 9 7 8 4 3 5 6 7 8 D0 D0 D07 D08 (A) (A) White (B) White (B) White (88) Orange () Blue (45) Blue (46) Orange (47) BLACK WIRE HARNESS Blue (76A) Blue (76B) Closed Jumper ¼ Quick Connector Ground Factory low voltage wiring Factory line voltage wiring Field low voltage wiring Field line voltage wiring Optional block Field Supplied Option hermistor Relay coil /Org (70B) Notes /Org (7B) (7A) - Disconnect for 5 degree source side freeze protection CPM M M (70A) - Disconnect for 5 degree load side freeze protection (7A) 3 Acc output is cycled with the lead compressor. 4 - A field installed flow switch is required for the load side and must be connected to PB-3 for the unit to operate. NOE 9 5 A field installed flow switch is required for the source side and must be connected to R for the unit to operate. White (88) 6 - Jumpers must be set as shown for correct control operation. If a communication (70A) card is present, it must be removed to check the jumpers. /Org (70B) 7 Reversing Valve will be energized for heating mode. White (89) 8 In Emergency Shutdown, line voltage is still present in control box. Emergency Orange () Switch is wired on low voltage circuit only. /Org (75B) 9 M and M are located on the compressor protection modules (CPM and CPM) inside of the compressor junction boxes. Only used on the 0 model. (75A) 0 Only used on the 0 model. Blue (45) Blue (98) L L L3 Red (M) Yellow 4 Orange (6B) 3 Orange (6A) S Orange () 3 Compressor Protection Module # (CPM) 0 9 0 34 35 3 3 Blue Grn/Yel 6 S6 5 (49) 7 8 9 8 6 5 Brn/Blk (4) Brn/Blk (4) Brn/Wht (87) Brn/Wht (86) NOE NOE S5 PB Brown (99) Red Compressor (Circuit ) L L L3 3 Earth Ground Blue 3 S Blue White CC Red Current Switch CS S NOE 0 S F /White Yellow (80) (95) Green/Yellow (6) /White () Yellow () CPM M M /Org (7B) NOE 9 White (88) Blue (46) /White () (70A) /Org (70B) White (89) Orange (47) Phase Guard Monitor (PGM) L3 L L /Org (75B) (75A) (7) NOE 8 ES White (8) Pink (58) Red for 08V Blue for -V Red for 380V Blue for 4V Blue for 575V /White (7) CC G CC Red (9) (97) Blue (98) 7 8 9 4 3 5 6 L N 3 S L N 3 Y C Y SD50WN 06/4 3 Page of