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Heating and Air Conditioning

LX SERIES
GEOTHERMAL HEAT PUMPS
DUAL CAPACITY

MODELS:
YLF024 - 072
(2 THRU 6 NOMINAL TONS)

Due to continuous product improvement, specifications are 
subject to change without notice. 

Visit us on the web at www.york-geothermal.com

Additional rating information can found at

www.ahridirectory.org

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

INSTALLATION MANUAL

(2 THRU 6 NOMINAL TONS)

Summary of Contents for LX series

Page 1: ...S Due to continuous product improvement specifications are subject to change without notice Visit us on the web at www york geothermal com Additional rating information can found at www ahridirectory...

Page 2: ......

Page 3: ...Data 17 Blower Performance Data 18 Dimensional Data 19 Physical Data 21 The Aurora Control System 22 Reference Calculations 26 Legend 27 Wiring Schematics 28 Unit Startup 32 Operating Parameters 33 P...

Page 4: ...No Hot Water Generation No IntelliStart 1 Hot Water Generation with Factory Installed Pump No IntelliStart 3 No Hot Water Generation IntelliStart 4 Hot Water Generation with Factory Installed Pump Int...

Page 5: ...n on the delivery receipt acknowledging the damage Unit Location Locate the unit in an indoor area that allows for easy removal of the filter and access panels Location should have enough space for se...

Page 6: ...ts to the unit using the weld nuts located on the underside of the bottom panel When attaching the hanger rods to the bracket a double nut is required since vibration could loosen a single nut To allo...

Page 7: ...70 35 kg 100 113 36 29 32 16 048 lb 303 325 93 97 101 34 kg 137 147 42 44 46 15 060 lb 329 358 110 100 103 45 kg 149 162 50 45 47 20 072 lb 350 369 141 78 71 79 kg 159 167 64 35 32 36 8 3 2014 Hanger...

Page 8: ...duct system canvas connectors should be used between the unit and the ductwork If air noise or excessive airflow is a problem the blower speed can be changed Water Piping The proper water flow must b...

Page 9: ...perly treated or untreated water in this equipment may result in scaling erosion corrosion algae or slime Purchase of a pre mix antifreeze could significantly improve system reliability if the water q...

Page 10: ...Cupro Nickel 316 Stainless Steel pH Acidity Alkalinity 7 9 7 9 7 9 Scaling Calcium and Magnesium Carbonate Total Hardness less than 350 ppm Total Hardness less than 350 ppm Total Hardness less than 3...

Page 11: ...arging the system Flexible Duct Collar Vibration Absorbing Pad P T Plugs Drain Hot Water Generator Connections Auxiliary Heater Knockout Low Voltage to Thermostat Unit Supply Auxiliary Heat Supply Ins...

Page 12: ...Strainer Flow Control Valve on outlet of Solenoid Valve Compressor Line Voltage Figure 10 Open System Groundwater Application NOTE SW2 4 and SW2 5 should be OFF to cycle with the compressor Open Loop...

Page 13: ...g Waste Valve or Vent Coupling 3 4 x 3 4 x 1 2 tee Cold Water In Hot Water Out P T Relief Valve P T Relief Valve HWG Water In HWG Water Out Drain Valve Drain Valve Storage Tank Electric Powered Water...

Page 14: ...ure that water has filled the circulator properly Be sure the switch for the hot water generator pump switch is ON 13 The temperature difference between the water entering and leaving the hot water ge...

Page 15: ...nic air cleaners humidifiers etc This relay contact should be used only with 24 volt signals and not line voltage power The relay has both normally open and normally closed contacts and can operate wi...

Page 16: ...re base to the wall Thermostat wire must be 8 conductor 4 or 5 counductor for communicating thermostats 20 AWG minimum wire Strip the wires back 1 4 inch longer strip lengths may cause shorts and inse...

Page 17: ...0 90 70 100 L1 L2 34 7 40 0 53 3 60 0 60 60 60 60 60 60 L3 L4 17 3 20 0 21 7 25 0 25 25 25 25 20 30 EAL H 20 Single 69 3 80 0 96 7 110 0 100 110 100 110 100 100 L1 L2 34 7 40 0 53 3 60 0 60 60 60 60 6...

Page 18: ...1 G 1007 989 971 958 945 925 904 889 873 862 850 818 778 048 High 5 W 11 x 10 1 1890 1874 1857 1845 1833 1809 1784 1769 1754 1736 1718 1672 1629 1601 1562 1522 Med High 4 Y2 1769 1754 1739 1721 1703...

Page 19: ...57 2 67 3 113 0 5 1 17 8 34 3 41 9 25 9 24 1 30 7 36 3 15 5 2 0 35 6 35 6 11 2 6 1 55 9 55 9 5 1 048 060 in 25 6 31 6 50 4 2 3 7 3 15 9 18 9 10 6 1 Swivel 1 2 female 9 8 12 3 14 6 6 9 1 1 18 0 18 0 3...

Page 20: ...54 1 5 8 18 5 40 4 48 0 2 0 24 1 30 7 36 3 4 8 34 5 33 5 12 7 7 1 102 6 47 5 3 8 Dimensions shown are for left return side discharge other configurations shown in tables below 7 17 14 Condensate is 3...

Page 21: ...ntal Air Coil Dimensions H x W in mm 18 x 21 457 x 533 18 x 27 457 x 686 20 x 35 508 x 889 20 x 35 508 x 889 20 x 40 508 x 1016 Air Coil Total Face Area ft2 m2 2 6 244 3 4 0 314 4 9 0 452 4 9 0 452 5...

Page 22: ...creen communicating thermostat with full English fault codes and alerts 4 wire installation Optional IntelliZone2 24V Zoning IntelliZone2 24V is a communicating zoning system that includes color main...

Page 23: ...o 5 seconds or by cycling the power NOTE Test mode will automatically be exited after 30 minutes Reset Configuration Mode The control is placed in reset configuration mode by holding the push button s...

Page 24: ...w Pressure Switch P4 7 8 is continuously open for 30 seconds Closure of the LPS any time during the 30 second recognition time restarts the 30 second continuous open requirement A continuously open LP...

Page 25: ...e control has a G input present unless the control has an emergency shutdown input present The blower output will be turned off when G input is removed Load Shed The LS input disables all outputs with...

Page 26: ...lt management and system configuration capabilities to the Aurora family of controls An AID Tool is recommended although not required The AID Tool simply plugs into the exterior of the cabinet in the...

Page 27: ...ible to total cooling ratio Notes to Performance Data Tables The following notes apply to all performance data tables Performance ratings are based on 80 F DB 67 F WB EAT for cooling and 70 F DB EAT f...

Page 28: ...ck CFM P13 P4 SW1 P5 JW2 P9 LO O B Y2 W DH P8 P7 RS485 NET RS485 NET P6 RS485 EXP P3 SW2 On FutureUse L Output Type CC Dual Single Acc Dip 5 Acc Dip 4 RV B O FP2 15 F 30 F FP1 15 F 30 F Com1 LED5 Com2...

Page 29: ...ration LED LED2 Yellow Fault LED LED3 Red RandomStart Delay AlternatingColors Fast Flash Fast Flash Fast Flash 1 secondon and1 secondoff 100 milliseconds on and 100 milliseconds off 100 milliseconds o...

Page 30: ...raditional Thermostat Communicating Thermostat AID Tool Cabinet HW Switch 1 2 3 L N G C 4 5 Green Orange Brown Gray 30 Tan 31 Red 32 Blue 33 Black 35 NOTE3 NOTE4 Tan 6 Run Winding Active Start Common...

Page 31: ...iliary Heat powers blower andcontrols Wires are secured at blower 5 Fieldinstalled SPST relay required for dualfuel installation 6 All lowvoltagewiringCLASS2 7 Usecopper or aluminum conductors AuroraL...

Page 32: ...ontrol signal to energize the blower motor 2 Initiate a control signal to place the unit in the cooling mode Cooling setpoint must be set below room temperature 3 First stage cooling will energize aft...

Page 33: ...ing air temperatures of 80 F DB 67 F WB Heating performance based on entering air temperature of 70 F DB Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation...

Page 34: ...DB 67 F WB Heating performance based on entering air temperature of 70 F DB Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation Suction Pressure psig Disch...

Page 35: ...air temperatures of 80 F DB 67 F WB Heating performance based on entering air temperature of 70 F DB Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation Suc...

Page 36: ...ing air temperatures of 80 F DB 67 F WB Heating performance based on entering air temperature of 70 F DB Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation...

Page 37: ...g air temperatures of 80 F DB 67 F WB Heating performance based on entering air temperature of 70 F DB Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation S...

Page 38: ...ad 6 1 7 1 6 1 5 1 4 1 3 9 3 9 3 6 3 4 3 2 3 1 12 7 0 6 6 6 2 5 8 5 6 15 10 1 9 6 9 8 8 4 8 1 048 Part Load 5 1 1 1 1 1 0 0 9 0 9 8 3 1 2 9 2 7 2 5 2 3 11 5 9 5 6 5 2 4 8 4 5 14 8 7 8 3 8 5 7 1 6 7 06...

Page 39: ...9688 86 8300 7812 95 6723 6337 104 5480 5172 113 4490 4246 122 3700 3504 131 3067 2907 140 2554 2424 149 2149 2019 7 21 14 7 21 14 Model Compressor Model No 208 230 60 1 Run Start 024 ZPS20K5E PFV 1...

Page 40: ...l Low Normal High Normal Normal Low High Water Flow Cooling Low Low Low Low High Normal Low Low Indoor Air Temperature Heating Low Low Low Normal High Normal Normal High Low Indoor Air Temperature Coo...

Page 41: ...9 1 34 6 45 0 44 9 43 1 8 0 18 9 25 9 32 1 38 5 39 3 45 1 44 7 42 5 40 7 11 0 19 5 26 9 33 8 41 0 39 6 45 1 45 0 43 2 41 7 Full Load 6 0 31 6 39 2 46 3 63 2 63 2 60 6 9 0 25 7 34 9 43 4 51 7 55 8 62 9...

Page 42: ...ower Heat of Rej Htg Cap Power Heat of Ext 240 60 0 922 0 786 0 910 0 920 0 943 1 150 0 893 275 69 0 944 0 827 0 924 0 940 0 958 1 105 0 922 300 75 0 959 0 860 0 937 0 955 0 968 1 078 0 942 325 81 0 9...

Page 43: ...adjustment to the refrigerant charge may be necessary NOTE Refrigerant tests must be made with hot water generator turned OFF Verify that air and water flow rates are at proper levels before servicin...

Page 44: ...nit Amp Draw Closed COAX SOURCE HEA7 1 ANALYSIS EXPANSION VALVE F AIR COIL F COMPRESSOR DISCHARGE SUCTION Subcooling Superheat REVERSING VALVE PSI F SAT F PSI SAT F F F LIQUID LINE Line Voltage Loop O...

Page 45: ...OLING Volts m Volts m Volts Total Amps Comp Blower 3 n Amps n Amps Watts m x n x 0 85 o Watts o Watts 7 Capacity HEATING COOLING Cooling Capacity l o x 3 413 p Btu h p Btu h Heating Capacity l o x 3 4...

Page 46: ...under normal operating conditions and be replaced when necessary Units should never be operated without a filter Operating the system without a filter or with a dirty filter could affect the longevit...

Page 47: ...Reversing Valve 33P506 04 33P506 04 33P526 05 33P526 05 33P526 05 Discharge Muffler 36P503B02 36P503B02 36P503B02 36P503B02 36P503B02 Filter Dryer 36P500B01 36P500B01 36P500B01 36P500B02 36P500B02 Hot...

Page 48: ...48 Notes LX SERIES INSTALLATION MANUAL...

Page 49: ...s Description Date By Misc Updated AHRI Data Misc Updates 01 Feb 2018 JM Misc Updated Physical Data Wiring Schematics Controls Information 14 Dec 2016 MA All Document Creation 17 Sept 2014 MA LX SERIE...

Page 50: ...al Part Number IM2300AK6 Release Date 03 18 York and Affinity are registered trademarks of Johnson Controls Inc and are used with permission 2018 The manufacturer has a policy of continual product res...

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