York YZF Installation Manual Download Page 29

Page: 29 / 30

835966-UIM-E-0814

Johnson Controls Unitary Products

Explain operation of system to equipment owner

Explain the importance of regular filter replacement and equipment maintenance

Owner Education

Provide owner with the owner's manual

Explain thermostat use and programming (if applicable) to owner

Comments Section

Summary of Contents for YZF

Page 1: ...ns 2 R 410A Saturation Properties 7 Defrost Initiate Curves 21 SECTION I GENERAL The outdoor units are designed to be connected to a matching indoor coil with sweat connect lines Sweat connect units a...

Page 2: ...ficiently above the roof or ground to avoid taking the accumulated layer of hot air into the outdoor unit Provide adequate structural support ADD ON REPLACEMENT RETROFIT When this unit is being used a...

Page 3: ...to 15 feet See Application Data Part Number 247077 for installing tubing of longer lengths and elevation differences PRECAUTIONS DURING LINE INSTALLATION 1 Install the lines with as few bends as possi...

Page 4: ...izing 6 Protect the vapor valve with a wet rag and braze the vapor line con nection to the outdoor unit The nitrogen flow should be exiting the system from the vapor service port connection After this...

Page 5: ...nstall the TXV bulb to the suction line near the equalizer line using the bulb clamp s furnished with the TXV assembly kit Ensure the bulb is making maximum contact Refer to TXV kit installation instr...

Page 6: ...ular data sheet 2 Determine indoor coil adjustment from tabular data sheet 3 Calculate the line charge for refrigerant piping using the tabular data sheet if line length is greater than 15 feet 4 6 m...

Page 7: ...igerant and compare it to the following table If the gauges are correct then measure the pressures using both the cooling and heating charts SECTION VII ELECTRICAL CONNECTIONS GENERAL INFORMATION GROU...

Page 8: ...unit to the indoor unit and thermostat 6 All field wiring to be in accordance with NEC and or local city codes 7 Mount the thermostat about 5 ft above the floor where it will be exposed to normal room...

Page 9: ...nline at www upgnet com in the Product Catalog Section INDOOR CUBIC FEET PER MINUTE CFM CONFIGU RATION Typical For proper system operation the indoor CFM must be set properly Refer to the Technical Gu...

Page 10: ...or Kit Optional S1 37309243000 Change FFuel jumper on the heat pump control to ON Jumper 2 must be set to O Jumper 3 must be set to GAS Jumper 1 must be set to HEAT PUMP Setup Step 50 Dual Fuel must b...

Page 11: ...n Set setup step 26 2nd Stage Deadband and step 29 Minutes Between 1st and 2nd to 0 Bonnet Sensor Kit Optional S1 37309243000 BS Bonnet Sensor BSG Bonnet Sensor W Auxiliary Heat Y2 Second Stage Compre...

Page 12: ...W1 First Stage Heat W2 Second Stage Heat Y1 First Stage Compressor O Reversing Valve Energized In Cool X L Malfunction Light HUM Humidity Switch Open on Humidity Rise EAC 24 VAC out Electronic Air Cle...

Page 13: ...e Energized In Cool Y2 OUT Second Stage Compressor W2 OUT Second Stage Heat W1 OUT First Stage Heat R 24 Volt Hot Y1 Single Stage Compressor C 24 Volt Common HUM OUT 24 VAC out Humidifier EAC 24 VAC o...

Page 14: ...Sensor BSG Bonnet Sensor W Auxiliary Y2 Second Stage Compressor X L Malfunction Light O Reversing Valve Energized in Cool Y2 OUT Second Stage Compressor R 24 Volt Hot Y1 Single Stage Compressor C 24...

Page 15: ...BS Bonnet Sensor BSG Bonnet Sensor W Auxiliary Heat Y2 Second Stage Compressor X L Malfunction Light O Reversing Valve Energized In Cool Y2 OUT Second Stage Compressor W2 OUT Second Stage Heat W1 OUT...

Page 16: ...24 Volt Common Y First Stage Compressor O B Reversing Valve L Malfunction Light Y2 Second Stage Compressor G Fan PP32U70124 THERMOSTAT E Emergency Heat R 24 Volt Hot Heat XFMR RC 24 Volt Hot Cool XFMR...

Page 17: ...Second Stage Aux Heat Y1 Single Stage Compressor Y Y2 Second or Full Stage Compressor O Reversing Valve Energized in Cool X L Malfunction Light HUM Dehumidification Open on Humidity Rise VARIABLE SPEE...

Page 18: ...Heat COM 24 Volt Common R 24 Volt Hot W1 First Stage Aux Heat W2 Second Stage Aux Heat Y1 Single Stage Compressor Y Y2 Second or Full Stage Compressor O Reversing Valve Energized in Cool X L Malfunct...

Page 19: ...ge Compressor G Fan THERMOSTAT R 24 Volt Hot W3 Third Stage Heat C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor VARIABLE SPEED MODULATING FURNACE CONTROL G Fan VARIABLE SPEED MODULATING FUR...

Page 20: ...econd Stage Compressor G Fan PP32U70124 THERMOSTAT E Emergency Heat R 24 Volt Hot Heat XFMR RC 24 Volt Hot Cool XFMR AUX Auxiliary Heat Thermostat Installer Setup 0170 System Type must be set to 12 3...

Page 21: ...uel furnace change FUEL jumper to ON position This setting MUST be set on the defrost board 4 Set low temperature cutout LTCO balance point BP switch point SP and Y2 Lock jumpers as desired These sett...

Page 22: ...peration and maintenance of all other system components MAINTENANCE 1 Dirt should not be allowed to accumulate on the outdoor coils or other parts in the air circuit Clean as often as necessary to kee...

Page 23: ...THERMOPLASTIC OR ITS EQUIVALENT WHERE POWER SUPPLY HAS ONE 1 230 VOLT CONDUCTOR AND ONE 1 NEUTRAL CONDUCTOR CONNECT L2 OF CONTACTOR TO NEUTRAL 1 2 3 4 5 HIGH VOLTAGE FACTORY WIRING LOW VOLTAGE FACTOR...

Page 24: ...T WHERE POWER SUPPLY HAS ONE 1 230 VOLT CONDUCTOR AND ONE 1 NEUTRAL CONDUCTOR CONNECT L2 OF CONTACTOR TO NEUTRAL 1 2 3 4 5 HIGH VOLTAGE FACTORY WIRING LOW VOLTAGE FACTORY WIRING OPTIONAL WIRING FIELD...

Page 25: ...ENT WHERE POWER SUPPLY HAS ONE 1 230 VOLT CONDUCTOR AND ONE 1 NEUTRAL CONDUCTOR CONNECT L2 OF CONTACTOR TO NEUTRAL 1 2 3 4 5 HIGH VOLTAGE FACTORY WIRING LOW VOLTAGE FACTORY WIRING OPTIONAL WIRING FIEL...

Page 26: ...835966 UIM E 0814 26 Johnson Controls Unitary Products NOTES...

Page 27: ...ltage Outdoor Unit Model Outdoor Unit Serial Filter Thermostat Accessories Filter Location s Connections Per Installation Instructions and Local Codes Gas piping is connected if applicable Supply plen...

Page 28: ...p Cut Out Balance Point Defrost Curve Y2 Lock FFUEL Switch Point Hot Heat Pump Fill in the information ie ON OFF or the appropriate Value for the fields that apply to the defrost control board install...

Page 29: ...plain operation of system to equipment owner Explain the importance of regular filter replacement and equipment maintenance Owner Education Provide owner with the owner s manual Explain thermostat use...

Page 30: ...change without notice Published in U S A 835966 UIM E 0814 Copyright 2014 by Johnson Controls Inc All rights reserved Supersedes 835966 UIM D 0614 York International Corp 5005 York Drive Norman OK 73...