York YAFT026 Installation Manual Download Page 53

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Current Transducer (CT)

Thermistor

Light emitting diode - Green

Relay coil

Capacitor w/ bleed resistor

Switch - Condensate overflow

Switch - High pressure

Switch - Low pressure

Polarized connector

Factory Low voltage wiring

Factory Line voltage wiring

Field low voltage wiring

Field line voltage wiring

Optional block

DC Voltage PCB traces

Junction
Quick connect terminal
Wire nut

Field wire lug

Ground

Fuse

CC -

CO -

K5 -

K6 -

CR3 -

CR4 -

F1 and F2 -

WCL -

HE -

HP -

LP -

PB1, PB2 -

PS -

RV -

SW1 -

SW2 -

TS -

Compressor Contactor

Condensate overflow sensor

DHW pump relay

Loop pump relay

Fuses

Water Coil Limit Sensor

Heater element

High pressure switch

Low pressure switch

Power blocks

Power strip

Reversing Valve coil

DIP package 5 position AXB

TEST MODE ABC Board

DIP package 8 position ABC Board

Thermal limit switch

Legend

Relay Contacts-

N.O., N.C.

PSC Fan Speed Relay

PSC Fan Power Relay

ER1 to ER4 -

Aux heat stage relays

HWL -

Hot water limit sensor

SC -

Start Contactor

Start Relay

SR -

CS -

Compressor Solenoid

Breaker

Aurora LED Flash Codes

Status LED (LED3, Green)

Status LED (LED1, Green)

Configuration LED (LED2, Yellow)

Fault LED (LED3, Red)

Random Start Delay (Alternating Colors)

Fast Flash

1 second on and 1 second off

100 milliseconds on and 100 milliseconds off

100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating

Slow Flash

Fast Flash

Flash Code

Normal Mode

Control is Non-Functional

Test Mode

Lockout Active

Dehumidification Mode

Future Use

Load Shed

ESD

OFF

Slow Flash

Fast Flash

Flash Code 2

Flash Code 3

Flash Code 6

Flash Code 4

Flash Code 5

Future Use

Flash Code 7

Configuration LED (LED2, Yellow)

No Software Overide

OFF

DIP Switch Overide

Slow Flash

Fault LED (LED1, Red)

Normal Mode

Input Fault Lockout

High Pressure Lockout

Low Pressure Lockout

Future Use

Freeze Detection – FP1

Reserved

Condensate Overflow Lockout

Over/Under Voltage Shutdown

Future Use

FP1 Sensor Error

Flash Code 1

OFF

Flash Code 2

Flash Code 3

Flash Code 4

Flash Code 5

Flash Code 8

Flash Code 6

Flash Code 7

Flash Code 9

Flash Code 10

Flash Code 11

Communicating Thermostat

Dual Fuel Wiring Diagram

Using Field Installed Relay

24VDC

R from Foss il

Fue l Furnac e

To Foss il Fuel

Furnac e W input

EH1

ABC

Board

Note 8: Fiel d i ns ta lled SPST dua l fue l rel ay

(Re quired for dual fuel i ns ta llation)

With optional EA Series 10kW Auxiliary Electric Heat Shown

2 – When Auxiliary Heat is installed the BLK/WHT

wire from CC-L1 to PB2-2 and the GRY/WHT wire

from CC-L2 to PB2-1 must be removed (located in

the heat pump control box).

1 - Use copper or aluminum conductors.

3 – Jumpers wires are Factory Installed, and are

Required for auxiliary heat operation.

4 – Low voltage wiring CLASS 2.

Violet

Blue

2
3

Black

Gray

Black

Gray

Green

Brown
Orange

5
4

EA Series PCB

208-230/60/1

Green

P11

2 3 4 5

C 1 2 3 4

P3 on Aurora ABC Board

EH2

C EH1 C

Condensate

Brown

Orange

P1
4

1 2 3

To PB2

Gray

Black

Gray

NOTE 3

Connects to variable

speed ECM motor only

HE1

TS1

HE2

TS2

Light emitting diode - Green

Polarized connector

Factory Low voltage wiring

Factory Line voltage wiring

Field low voltage wiring

Field line voltage wiring

Optional block

DC Voltage PCB traces

Internal junction

Quick connect terminal

Thermal Limit Switch

Field wire lug

Ground

HE -

PB -

Heater element

Power block

Legend

N.O., N.C.

Breaker

1 2 3

Electric Heat Relay

Fused Backup

FB1

FB2

Wiring Schematics cont.

Aurora Base with PSC cont.

AFFINITY & AFFINITY ADVANCED SINGLE & DUAL CAPACITY SERIES INSTALLATION MANUAL

Summary of Contents for YAFT026

Page 1: ...INAL 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 ahridi...

Page 2: ......

Page 3: ...ta 23 Dimensional Data 28 Physical Data 32 The Aurora Control System 34 Reference Calculations and Legend 43 Wiring Schematics 44 Unit Startup 58 Operating Parameters 60 Pressure Drop 62 Compressor an...

Page 4: ...d ECM 4 5 Speed ECM Rev 04 27 2021 Notes 1 IntelliStart available 026 072 2 Symphony AWL not available YAF T 038 T L 1 4 1 C A 0 A 1 3 4 4 6 8 9 10 11 12 13 14 15 16 17 Model YAF Affinity Forced Air S...

Page 5: ...or service personnel to perform maintenance or repair Provide sufficient room to make water electrical and duct connection s If the unit is located in a confined space such as a closet provisions must...

Page 6: ...tion could loosen a single nut To allow filter access one bracket on the filter side should be installed 180 from the position shown in Figure 3 The unit should be pitched approximately 1 4 inch towar...

Page 7: ...8 24 1 29 3 cm 209 3 70 6 61 2 74 4 072 in 99S500A03 82 4 27 8 24 1 29 3 cm 209 3 70 6 61 2 74 4 2 8 12 Weight Distribution Model Vertical Weight Horizontal Weight Horizontal Weight Distribution Front...

Page 8: ...maintaining the brass connector in the desired direction Tighten the connectors by hand then gently snug the fitting with pliers to provide a leak proof joint When connecting to an open loop ground wa...

Page 9: ...Threshold Velocity Fresh Water 6 ft sec 6 ft sec 6 ft sec NOTES Grains ppm divided by 17 mg L is equivalent to ppm 2 22 12 The heat exchangers and water lines in the units are copper or cupronickel t...

Page 10: ...rple Hot Water Limit Switch 130 F Blue 1 2 3 Cabinet HW Switch Field Supplied Relay for Heat Pump 1 Field Supplied Relay for Heat Pump 2 Heat Pump 1 Contactor Coil Heat Pump 2 Contactor Coil Field Sup...

Page 11: ...mmended to eliminate water hammer Figure 10 Open System Groundwater Application Open Loop Ground Water Systems Flexible Duct Collar Vibration Absorbing Pad P T Plugs Drain Desuperheater Connections Au...

Page 12: ...l units with hot water generators contain an internal circulator and fittings A water softener is recommended with hard water greater than 10 grains or 170 total hardness NOTES 1 Using a preheat tank...

Page 13: ...open until water dribbles out then replace Allow the pump to run for at least five minutes to ensure that water has filled the circulator properly Be sure the switch for the hot water generator pump s...

Page 14: ...electronic 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 ope...

Page 15: ...r 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 insert the thermostat wires into the connector as shown Ti...

Page 16: ...lue 230V White 8 Black 7 G Load Pump G External Source Pump NOTE 10 Blue 12 AWB 12 AWB Figure 16 FCM and FCL Flow Center Wiring Not Referenced NOTES FCM and FCL Flow Centers must be wired to a separat...

Page 17: ...ing The variable speed UPMXL 25 124 pump also requires a low voltage signal to operate properly if the low voltage wires aren t connected or the signal isn t present the pump will run at 100 Route the...

Page 18: ...ctrical and local codes for wiring The variable speed UPMXL 25 124 pump also requires a low voltage signal to operate properly if the low voltage wires aren t connected or the signal isn t present the...

Page 19: ...he right hand pump from the AXB P3 VS DATA S screw terminal and connect the black wire from the left hand pump to the same location After the troubleshooting is complete remove the black wire from the...

Page 20: ...3 3 60 0 60 60 60 60 60 60 L3 L4 34 7 40 0 43 3 50 0 45 50 45 50 40 50 All heaters rated single phase 60 cycle and include unit blower load All fuses type D time delay or HACR circuit breaker in USA S...

Page 21: ...22 Single Speed Unit with 5 Speed ECM Motor Model Rated Voltage Voltage Min Max Compressor HWG Pump FLA Ext Loop FLA Blower Motor FLA Total Unit FLA Min Circ Amp Max Fuse HACR MCC RLA LRA LRA 022 208...

Page 22: ...9 2 63 0 0 4 5 4 7 0 42 4 49 8 70 07 15 22 With optional IntelliStart Rated voltage of 208 230 60 1 All fuses Class RK 5 HACR circuit breaker in USA only Dual Capacity Unit with 5 Speed ECM Motor Mode...

Page 23: ...ng as well as at least the minimum required for the auxiliary heat package G may be located anywhere within the airflow table Cfm is controlled within 5 up to the maximum ESP Max ESP includes allowanc...

Page 24: ...y at the Aurora ABC board which utilizes the push button SW1 on the ABC board This procedure is outlined in the ECM Configuration Mode portion of the Aurora Base Control System section The Aux cannot...

Page 25: ...830 Low 1 G 1243 1182 1121 1061 1000 964 928 856 784 744 703 647 592 042 High 5 11 x 10 1 1934 1910 1886 1871 1855 1827 1799 1780 1760 1747 1734 1700 1659 1617 Med High 4 W 1799 1783 1767 1744 1720 16...

Page 26: ...gh 4 1799 1783 1767 1744 1720 1693 1666 1649 1631 1617 1603 1560 1530 1492 Med 3 Y2 1694 1680 1666 1642 1617 1592 1567 1552 1537 1519 1500 1453 1421 1372 Med Low 2 Y1 1575 1560 1540 1520 1502 1487 147...

Page 27: ...0 0 35 0 40 0 45 0 50 0 60 0 70 0 80 0 90 1 00 012 H 6 x 8 1 10 480 450 440 420 410 380 360 340 330 310 300 MH 440 410 400 380 370 350 330 310 300 280 270 ML 395 370 360 340 330 310 290 280 270 250 24...

Page 28: ...9 10 6 1 in Swivel 1 2 in Female 9 5 12 1 14 3 6 9 1 1 18 0 18 0 3 8 1 7 28 1 26 0 1 7 cm 65 0 80 3 128 0 5 8 18 5 40 4 48 0 26 9 24 1 30 7 36 3 17 5 2 8 45 7 45 7 9 7 4 3 71 4 66 0 4 3 042 049 in 25...

Page 29: ...Swivel 1 2 in Female 48 9 50 8 52 2 9 1 4 8 13 4 13 6 1 5 1 8 28 1 34 0 5 6 cm 64 8 80 0 158 8 110 2 122 9 144 8 152 4 9 1 124 2 129 0 132 6 23 1 12 2 34 0 34 5 3 8 4 6 71 4 86 4 14 2 Condensate is 3...

Page 30: ...3 15 9 18 9 10 6 1 Swivel 1 2 female 9 5 12 1 14 3 13 3 13 6 43 4 9 1 8 1 1 7 28 1 34 0 1 7 cm 65 0 80 3 148 3 5 8 18 5 40 4 48 0 26 9 24 1 30 7 36 3 33 8 34 5 110 2 23 1 20 6 4 3 71 4 86 4 4 3 Conden...

Page 31: ...8 26 7 23 9 14 7 7 1 77 5 42 9 3 3 036 038 in 25 6 72 0 21 3 2 3 7 3 15 9 18 9 0 8 1 in Swivel 1 2 in Female 9 5 12 1 14 3 SEE CHART 13 6 13 2 SEE CHART 2 8 35 5 18 9 1 3 cm 65 0 182 9 54 1 5 8 18 5 4...

Page 32: ...143 368 167 403 183 418 190 453 205 478 217 Weight Packaged lb kg 185 84 220 100 320 145 335 152 388 176 423 192 438 199 473 215 498 226 7 15 22 Model SINGLE SPEED 012 018 022 030 036 042 048 060 070...

Page 33: ...3 4 9 1 6 6 1 1 6 6 1 2 3 8 7 Vertical Air Coil Dimensions H x W in mm 24 x 20 610 x 542 28 x 25 711 x 635 32 x 25 813 x 635 36 x 25 914 x 635 36 x 25 914 x 635 Air Coil Total Face Area ft2 m2 3 3 0...

Page 34: ...TStat inputs IntelliZone2 communicates to the heat pump via the AXB board With Optional AXB kit and IntelliZone2 Optional IntelliZone2 IntelliZone2 24V Compatibility Communicates to the heat pump via...

Page 35: ...t Elite Stat with full English fault codes and alerts communicating thermostat Monochrome thermostat allows instantaneous energy measurement only Optional Optional TPCC32U02YRK Color Touchscreen Commu...

Page 36: ...nd off Additionally when entering test mode LED1 red will flash the last lockout one time Test mode will automatically time out after 30 minutes Test mode can be exited by pressing and holding the SW1...

Page 37: ...The Alarm output ALM and Lockout output L will be turned on The fault type identification display LED1 Red shall flash the fault code To reset lockout conditions with SW2 8 On thermostat inputs Y1 Y2...

Page 38: ...If there are no other commands from the thermostat the ECM will run on G speed until the G command is removed Regardless of blower input G from the thermostat the blower will remain on for 30 seconds...

Page 39: ...of Operation Configuration LED Yellow No Software Overwritten Flashing ECM Setting DIP Switch was Overwritten Slow Flash ECM Configuration Mode Fast Flash Fault LED LED1 Red Red Fault LED LED Flash Co...

Page 40: ...hen the DHW limit is reached and when conditions are not favorable for water heating Error code 15 will also be displayed on the AID Tool in the fault screen This flash code is a noncritical alert and...

Page 41: ...sensor Smoke CO Alarm Fault no lockout info only Switch output from Smoke CO sensor Dirty Filter Alarm no lockout info only Output from dirty filter sensor Monitoring Sensor Kits Energy Monitoring St...

Page 42: ...LED LED2 Yellow Description of Operation Configuration LED Yellow No Software Overwritten ECM Setting DIP Switch Overwritten Slow Flash ECM Configuration Mode Fast Flash Reset Configuration Mode OFF...

Page 43: ...nheit dry bulb wet bulb HC air heating capacity MBtu h TC total cooling capacity MBtu h SC sensible cooling capacity MBtu h kW total power unit input kilowatts HR total heat of rejection MBtu h HE tot...

Page 44: ...4 5 ON OFF FutureUse Acc 2 Dip 1 Acc 2 Dip 2 SeeFigure1 for DHW wiring P8 MOTOR P6 RS485 P7 ZONE P9 ABC STEPPER ANA ACC2 DH DIV NO COM K6 NO COM K5 C R L1 L1 L2 L2 P12 P10 P5 P11 C R C R C R P4 P2 K1...

Page 45: ...ield Connected Refer to Installation Manual and Auxiliary HeatInstructions for Current Transducer installation 4 Low voltage wiring CLASS 2 8 Wiring harness supplied with valve 2 3 P9 5 4 1 L2 L1 L2 L...

Page 46: ...ssure Lockout Flash Code 3 Freeze Detection FP2 Flash Code 4 High Pressure Lockout Future Use Flash Code 3 Future Use Flash Code 4 Load Shed Flash Code 5 Reserved Flash Code 6 Condensate Overflow Lock...

Page 47: ...OFF Water Valve Slow Opening ON OFF Cycle with Comm T stat Hum Cmd OFF ON ABC SW2 Accessory Relay SW1 4 SW1 5 DESCRIPTION ON ON Cycles with Blower OFF ON Cycles with CC first stage compressor or comp...

Page 48: ...NE P9 ABC STEPPER ANA ACC2 DH DIV NO COM K6 NO COM K5 C R L1 L1 L2 L2 P12 P10 P5 P11 C R C R C R P4 P2 K1 K2 K3 HA2 HA1 SGI LOOP VS DATA VS PUMP PUMP SLAVE P3 V C R TX RX 5 P14 LLT P1 LAT FLOW LWT EWT...

Page 49: ...xiliary Heatis field installed the harness will be connected to the auxiliary heat unit The auxiliary heatunit will then power the blower Refer to EAS EAM EAL Auxiliary Heatkit installation instructio...

Page 50: ...D LED 3 Red Fast Flash Configuration LED LED 2 Yellow Fault LED LED 1 Red Normal Mode Dehumidification Mode Flash Code 2 DIP Switch Overide Slow Flash Status LED LED 3 Green Normal Mode ON Control is...

Page 51: ...ssil Fuel Furnace Thermostat 24 VAC Common Common 24 VAC Fault Signal Reversing Valve 2nd Stage Compressor 1st StageCompressor Y1 Y2 O R C LO ABC Board G G Fan W W Auxil iary HeatR elay Note 11 Fiel d...

Page 52: ...ACC nc O B C R LO G Y1 Y2 W DH 3A Fuse O B C R LO G Y1 Y2 W DH LO G HI CCG CC FG F R HP HP LP FP2 FP2 FP1 REV REV CFM PWM ECM PWM Factory Factory Fan Connection R R C C C RS 485 EH2 C EH1 C CO R C RS...

Page 53: ...veride SlowFlash Fault LED LED1 Red Normal Mode Input Fault Lockout High PressureLockout Low Pressure Lockout FutureUse Freeze Detection FP1 Reserved Condensate OverflowLockout Over Under VoltageShutd...

Page 54: ...ACC nc O B C R LO G Y1 Y2 W DH 3A Fuse O B C R LO G Y1 Y2 W DH LO G HI CCG CC FG F R HP HP LP FP2 FP2 FP1 REV REV CFM PWM ECM PWM Factory Factory Fan Connection R R C C C RS 485 EH2 C EH1 C CO R C RS...

Page 55: ...veride SlowFlash Fault LED LED1 Red Normal Mode Input Fault Lockout High PressureLockout Low Pressure Lockout FutureUse Freeze Detection FP1 Reserved Condensate OverflowLockout Over Under VoltageShutd...

Page 56: ...ONE P9 ABC STEPPER ANA ACC2 DH DIV NO COM K6 NO COM K5 C R L1 L1 L2 L2 P12 P10 P5 P11 C R C R C R P4 P2 K1 K2 K3 HA2 HA1 SGI LOOP VS DATA VS PUMP PUMP SLAVE P3 V C R TX RX 5 P14 LLT P1 LAT FLOW LWT EW...

Page 57: ...SCH P16 P17 P18 P15 Aurora Expansion Board AXB SW1 Modbus Add ID FutureUse 1 2 3 4 5 ON OFF FutureUse Acc 2 Dip 4 Acc 2 Dip 5 CT2 C S 5 C S 5 2 1 C C IN OUT Low Voltage harness connected to pump Green...

Page 58: ...anced controls Confirm IntelliZone2 if installed is added and communicating Set Zoning system to off mode 2 Aurora Setup Screen a ECM Setup for Heating Airflow select G low high and aux blower speeds...

Page 59: ...ntaneous information only ii TPCM32U04AYRK Communicating Thermostat B W instantaneous information only iii TPCC32U02YRK Color Touchscreen Thermostat Both Instantaneously and historical 13 months Refri...

Page 60: ...e unit in the cooling mode Cooling setpoint must be set below room temperature 3 First stage cooling will energize after a time delay 4 Be sure that the compressor and water control valve or loop pump...

Page 61: ...B 67 F WB Heating performance based on entering air temperature of 70 F DB 2 15 12 Second Stage Operation Entering Water Temp F Water Flow gpm ton Cooling No Hot Water Generation Suction Pressure psig...

Page 62: ...Drop psi 30 F 50 F 70 F 90 F 110 F 026 full load 4 1 4 1 3 1 2 1 1 1 0 6 2 8 2 6 2 4 2 3 2 1 8 4 7 4 4 4 1 3 8 3 5 10 7 0 6 6 6 2 5 8 5 3 026 part load 3 0 8 0 7 0 7 0 7 0 6 5 2 0 1 8 1 7 1 6 1 5 7 3...

Page 63: ...lves Low High Low High Normal High Low Low TXV Bulb Loss of Charge Low Low Low High High Low Low Scaled Coaxial Heat Exchanger Heating Low Low Low Normal Low High Low Low Scaled Coaxial Heat Exchanger...

Page 64: ...2 0 53 1 68 7 83 7 89 6 90 6 85 2 15 0 42 1 56 8 71 6 85 0 80 8 90 0 91 0 85 4 81 9 18 0 42 6 57 9 73 9 88 6 81 4 90 6 91 6 85 9 82 2 Note operation not recommended in shaded areas 11 26 2014 Single S...

Page 65: ...water temperature 2 return air temperature and 3 ambient temperature When any of the factors are at the minimum or maximum levels the other two factors must be at the normal level for proper and relia...

Page 66: ...Antifreeze by wt Heating Cooling Pressure Drop EWT F C 30 1 1 90 32 2 30 1 1 Water 0 1 000 1 000 1 000 Ethylene Glycol 10 0 973 0 991 1 075 20 0 943 0 979 1 163 30 0 917 0 965 1 225 40 0 890 0 955 1 3...

Page 67: ...ej 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 0 971 0 894 0 950...

Page 68: ...rcuit Aurora Control System NOTE Refer to the Aurora Base Control Application and Troubleshooting Guide and the Instruction Guide Aurora Interface and Diagnostics AID Tool for additional information T...

Page 69: ...rge Pressure Transducer Air Coil Blower Leaving Air Thermistor Wire Bundle In Blower Compartment Coax Flow Meter Water OUT Water IN Flow Sensor Entering Water Thermistor Leaving Water Thermistor Water...

Page 70: ...sed 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 Open Unit Amp Dra...

Page 71: ...ts 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 3 413 8 Efficiency HEATING C...

Page 72: ...ion of the malfunctions and a description of the replacement parts required CAUTION Fin edges are sharp Preventive Maintenance Replacement Procedures Other Maintenance Filters Filters must be clean to...

Page 73: ...03 62P516 03 62P516 03 Hot Water Generator Pump n a 24P501A01 24P501A01 24P501A01 24P501A01 24P501A01 24P501A01 24P501A01 24P501A01 Electrical Contactor 13P004A03 13P004A03 13P004A03 13P004A03 13P004A...

Page 74: ...P516 03 Hot Water Generator Pump 24P501A01 24P501A01 24P501A01 24P501A01 24P501A01 Electrical Contactor 13P004A03 13P004A03 13P004A03 13P004A03 13P004A03 Transformer 208 230 60 1 15P501B01 15P501B01 1...

Page 75: ...75 Notes AFFINITY AFFINITY ADVANCED SINGLE DUAL CAPACITY SERIES INSTALLATION MANUAL...

Page 76: ...UPMXL Updated wiring schematics physical data barcode service parts table Aux heat ratings changed PSC motor options 18 Nov 2022 MA 4 Nomenclature Update 27 May 2021 MA All Released Aluminum Air Coil...

Page 77: ...77...

Page 78: ...ithout notice Product Affinity Affinity Advanced Series Type Geothermal Water Source Heat Pump Size 1 1 5 Ton Single Speed 2 6 Ton Dual Capacity Document Type Installation Manual Part Number IM2500AK6...

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