York YAST026 Installation Manual Download Page 38

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03 Sept 2013

Revision Guide

AFFINITY DUAL-CAPACITY OUTDOOR SPLIT SERIES INSTALLATION MANUAL

Summary of Contents for YAST026

Page 1: ...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...

Page 2: ......

Page 3: ...a 15 A Coil Data 16 The AuroraTM Control System 17 22 Reference Calculations 23 Legend 23 Operating Limits 23 Wiring Schematics 24 27 Refrigeration 28 29 Line Set Sizes 29 Pressure Temperature Convers...

Page 4: ...Dual Capacity Unit Capacity 026 038 049 064 072 Discharge Configuration A None Air Configuration A None Voltage 1 208 230 60 1 Hot Water Generation Option 0 No HWG No GeoStart 3 No HWG GeoStart Vintag...

Page 5: ...the following recommendations should considered to minimize noise and service problems An air filter must always be installed upstream of the air coil on the return air side of the air handler or furn...

Page 6: ...capacity units must be capable of operating with a minimum of 2 blower speeds Refer to the manufacturer s instructions for the blower coil unit for details on installing the air handling portion of th...

Page 7: ...on Thermostat Wire From Furnace Wire T o Thermostat Up Flow Fossil Fuel Furnace Condensate Drain must be trapped A or Slab Coil Supply Duct Insulated Suction Line Return Duct Lineset T o Air Handler D...

Page 8: ...20 ppm Ammonia Chloride Less than 0 5 ppm Less than 0 5 ppm Less than 0 5 ppm Ammonia Nitrate Less than 0 5 ppm Less than 0 5 ppm Less than 0 5 ppm Ammonia Hydroxide Less than 0 5 ppm Less than 0 5 p...

Page 9: ...minimum of 1 2 inch closed cell insulation from below the ground surface to the loop circulator IMPORTANT A freeze detection thermostat is installed in the unit to automatically start loop circulator...

Page 10: ...of dry contacts has been provided to control accessory devices such as water solenoid valves on open loop installations electronic air cleaners humidifiers etc This relay contact should be used only w...

Page 11: ...municating thermostats 20 AWG minimum wire Strip the wires back 1 4 inch longer strip lengths may cause shorts and insert the thermostat wires into the connector as shown Tighten the screws to ensure...

Page 12: ...at least 75 VA L Lo Fault Signal Outdoor Split Y1 Y2 O R C L C R Fossil Fuel Furnace Thermostat 24 VAC Common Common 24 VAC Fault Signal Reversing Valve 2nd Stage Compressor 1st Stage Compressor Y1 Y2...

Page 13: ...15 2 83 0 30 0 5 4 20 6 24 4 40 049 208 230 60 1 187 253 33 0 21 1 104 0 37 0 5 4 26 5 31 8 50 064 208 230 60 1 187 253 42 3 27 1 152 9 54 0 5 4 32 5 39 3 70 072 208 230 60 1 187 253 46 3 29 6 179 2...

Page 14: ...m 5 8 15 875 3 4 19 05 7 8 22 225 Coax and Piping Water Volume gal l 0 7 2 6 1 3 4 9 1 6 6 1 1 6 6 1 1 6 6 1 Weight Operating lb kg 189 86 236 107 250 113 271 123 290 132 Weight Packaged lb kg 209 95...

Page 15: ...Breaker Installed only on 15kW 20kW Heaters Electric Heat 00 None 05 5kW 022 036 only 10 10kW 030 060 only 15 15kW 042 060 only 20 20kW 060 only Rev 16 August 2013D NOTE To field convert the YAH042 06...

Page 16: ...ity Refrigerant DX Models 026 MBTUH 036 MBTUH 048 MBTUH 060 MBTUH Hydronic Models 060 MBTUH Rev 16 August 2013D NOTE All refrigerant coils include TXV Air Handler Model Number Refrigerant YAH022 YAH02...

Page 17: ...vices The second channel is configured as a slave for connecting the Aurora Interface Diagnostics Tool AID Tool Add On Thermostats and Zoning Description Aurora Base Aurora Advanced TP32U03YRK 04YRK M...

Page 18: ...fter 30 minutes Reset Configuration Mode The control is placed in reset configuration mode by holding the push button switch SW1 for 50 to 60 seconds This will reset all configuration settings and the...

Page 19: ...ignored for the initial 2 minutes of the compressor run time Over Under Voltage Shutdown An over under voltage condition exists when the control voltage is outside the range of 18 VAC to 30 VAC If the...

Page 20: ...ora Base Control LED Displays These three LEDs display the status configuration and fault codes for the control These can also be read in plain English via the Aurora AID Tool Status LED LED3 Green De...

Page 21: ...city MBTUH LC latent cooling capacity MBTUH S T sensible to total cooling ratio Operating Limits Cooling Heating Air Limits Minimum ambient air DB 10 F 23 3 C 10 F 23 3 C Rated ambient air DB 80 0 26...

Page 22: ...nge Orange RV Black 15 Violet 14 Green 18 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 Future Use L Output Type CC Dual Single Acc Dip 5 Acc Dip 4 RV B O FP...

Page 23: ...Recognition Delay Low Pressure Start Up Bypass Low Water Coil Limit Fault Recognition Delay Low Water Coil Limit Fault Recognition Delay Condensate Overflow Thermostat Call Recognition Time Less than...

Page 24: ...Green 18 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 Future Use 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 LE...

Page 25: ...e Fault Recognition Delay Low Pressure Start Up Bypass Low Water Coil Limit Fault Recognition Delay Low Water Coil Limit Fault Recognition Delay Condensate Overflow Thermostat Call Recognition Time Le...

Page 26: ...Solution 10 oz should be added to the recommended charge of 86 oz found in the Charge Amount with YAH Air Handler column for a total charge of 96 oz After initial charge the system should be operated...

Page 27: ...t Additional charge for R 410A is 0 50 oz per ft for 3 8 in and 1 0 oz per ft for 1 2 in tube Refrigeration cont Line Set Sizes AFFINITY DUAL CAPACITY OUTDOOR SPLIT SERIES INSTALLATION MANUAL Determin...

Page 28: ...128 8 588 146 8 110 36 4 230 78 7 350 107 2 470 129 1 590 147 1 112 37 3 232 79 2 352 107 6 472 129 4 592 147 3 114 38 2 234 79 8 354 108 0 474 129 8 594 147 6 116 39 1 236 80 3 356 108 4 476 130 1 59...

Page 29: ...flow rate is correct by measuring the pressure drop through the heat exchanger using the P T plugs and comparing to unit performance data in catalog 6 Check the temperature of both the supply and disc...

Page 30: ...4 10 24 39 Second Stage Operation Cooling No Desuperheater Entering Water Temp F Water Flow GPM Ton YAST026 thru YAST064 YAST072 YAST026 thru YAST072 Suction Pressure PSIG Discharge Pressure PSIG Suct...

Page 31: ...5 8 0 7 4 064 part load 6 1 0 0 9 0 9 0 8 0 8 10 2 6 2 5 2 3 2 1 2 0 14 5 0 4 7 4 4 4 1 3 8 18 8 1 7 6 7 1 6 6 6 1 072 full load 12 3 2 3 0 2 8 2 6 2 4 15 4 5 4 2 4 0 3 7 3 4 18 6 0 5 7 5 3 4 9 4 6 21...

Page 32: ...igerant Circuit Guideline Heat of Extraction Rejection Data Model GPM Heat of Extraction kBtuh Heat of Rejection kBtuh 30 F 50 F 70 F 90 F 30 F 50 F 70 F 90 F 110 F 026 Part Load 3 0 13 1 17 6 21 5 23...

Page 33: ...se Control Application and Troubleshooting Guide and the Instruction Guide Aurora Interface and Diagnostics AID Tool for additional information Refrigerant Systems To maintain sealed circuit integrity...

Page 34: ...ng modes Cooling Cycle Analysis COOLING TXV ACTIVE RIGHT TO LEFT ClgTXV Measure liquid line temperature and pressure here in both heating and cooling modes COAX HEATING TXV ACTIVE LEFT TO RIGHT HtgTXV...

Page 35: ...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 3 413 8 Efficiency HEATING COOLING Cooling EER...

Page 36: ...equired mention the date of installation of the unit and the date of failure along with an explanation of the malfunctions and a description of the replacement parts required CAUTION Fin edges are sha...

Page 37: ...36P509 02 36P509 01 Coax 62I594 01 62I542B01 62I543B01 TXV 33P609 01 33P609 03 33P609 05 33P609 06 Reversing Valve 33P506 04 33P503 05 33P526 05 Filter Dryer 36P500B01 36P500B02 Electrical Components...

Page 38: ...38 Pages Description Date By All First Published 03 Sept 2013 DS Revision Guide AFFINITY DUAL CAPACITY OUTDOOR SPLIT SERIES INSTALLATION MANUAL...

Page 39: ......

Page 40: ...ange design and specifications without notice Product Affinity Outdoor Split Series Type Geothermal Heat Pumps Size 2 6 Ton Dual Capacity Document Type Installation Manual Part Number IM2504SK6 Releas...

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