Johnson Controls Unitary Products YC090 Installation Manual

R-410a thru 240/300 7.5-25 ton 60 hertz
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R-410A
MODELS:
YC090 Thru 300
YD120 Thru 240
7.5 - 25 Ton
60 Hertz
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Renewal Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Unit Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Corner Weights & Center of Gravity . . . . . . . . . . . . . . . . 6
4 Minimum Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Convenience Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Convenience Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1 Corner Weights & Center Of Gravity . . . . . . . . . . . . . . . . 6
2 Typical Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
with YC090 Condenser Unit . . . . . . . . . . . . . . . . . . . . . . 13
Unit with Twin Condenser Units . . . . . . . . . . . . . . . . . . . 17
Piping & Electrical Dimensions . . . . . . . . . . . . . . . . . . . 20
13 Fan Orientation - Control Box End . . . . . . . . . . . . . . . . . 24
14 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

TABLE OF CONTENTS

Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Refrigerant Mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Piping And Electrical Connections . . . . . . . . . . . . . . . . . . 21
Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 22
Unit Control Board Option Setup. . . . . . . . . . . . . . . . . . . . 25
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
LIST OF TABLES
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
LIST OF FIGURES
15 YC090 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 29
16 YC120 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 29
17 YD120 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 30
18 YC150 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 30
19 YD150 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 31
20 YC180 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 31
21 YD180 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 32
22 YC240 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 32
23 YD240 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 33
24 YC300 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
430643-YIM-G-0212

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Summary of Contents for Johnson Controls Unitary Products YC090

  • Page 1: Table Of Contents

    1 Corner Weights & Center Of Gravity ....6 15 YC090 Charging Chart ......29 16 YC120 Charging Chart .
  • Page 2: Nomenclature

    (power and control) can be made through the front of the unit. any liability resulting from improper application. Please refer to the equipment Technical Guide, Installation Manual and the piping applications bulletin 247077 or call the applications department for Unitary Products @ 1-877-UPG-SERV for guidance. Johnson Controls Unitary Products...
  • Page 3: Safety Considerations

    R-410A. If you are unsure, consult the equipment manufacturer. Failure to use R-410A compatible servicing equipment may result in property damage or injury. Johnson Controls Unitary Products...
  • Page 4: Physical Data

    430643-YIM-G-0212 Physical Data Table 1: YC090 - 300 and YD120 - 240 Physical Data Models Component YC090 YC120 YD120 YC150 YD150 YC180 YD180 YC240 YD240 YC300 Nominal Tonnage 12.5 12.5 REFRIGERANT Refrigerant type R-410A R-410A R-410A R-410A R-410A R-410A R-410A...
  • Page 5: Installation

    National Safety Code Standards. If components are to not be tied to the building foundation, as noise will telegraph be added to a unit to meet local codes, they are to be installed through the slab. at the dealer's and/or the customer's expense. Johnson Controls Unitary Products...
  • Page 6: Corner Weights & Center Of Gravity

    FRONT REAR FRONT REAR WIDTH WIDTH DIM Y LENGTH RIGHT YC090, YC120, YD120, DIM Y YC150, YD150 LENGTH RIGHT YC180, YD180, YC240, YD240, YC300 Figure 1: Corner Weights & Center Of Gravity NOTE: Front of unit is considered the side having the unit Holes are provided in the base rails for bolting the unit to its control box.
  • Page 7: Clearances

    Spreader bars, whose length exceeds the largest dimension across the unit, MUST be used across the top of the unit. Figure 2: Typical Rigging Johnson Controls Unitary Products...
  • Page 8: Control Wiring

    Scroll compressors require proper rotation to operate other oils designed for HCFC and CFC refrigerants. Take all properly. Failure to check and correct rotation may result necessary precautions to avoid exposure of the oil to the in property damage. atmosphere. Johnson Controls Unitary Products...
  • Page 9: Electrical Data - Outdoor Unit - Ac Without Powered Convenience Outlet

    Based on three, 75°C insulated copper conductors in conduit and ambient of 30°C. 2. Maximum fuse or maximum circuit breaker (HACR type per NEC). Refer to NEC/NFPA No. 70, Articles 440-11, 12 for information on minimum disconnect sizing. Johnson Controls Unitary Products...
  • Page 10: Electrical Data - Outdoor Unit - Ac With Powered Convenience Outlet

    Based on three, 75°C insulated copper conductors in conduit and ambient of 30°C. 2. Maximum fuse or maximum circuit breaker (HACR type per NEC). Refer to NEC/NFPA No. 70, Articles 440-11, 12 for information on minimum disconnect sizing. Johnson Controls Unitary Products...
  • Page 11: Refrigerant Mains

    Erodes the seat of the refrigerant control device. NOTE: Dry nitrogen should flow through the system at all times Causes erratic control of the refrigerant entering the when heat is being applied and until the joint has evaporator. Johnson Controls Unitary Products...
  • Page 12: Start Installation

    Punch a small hole "Application Data - General Piping Recommendations in the sealing disks, the flow of nitrogen will prevent any debris for Split System Air Conditioning and Heat Pumps". from entering the system. Unbraze both liquid and suction Johnson Controls Unitary Products...
  • Page 13: Typical Field Wiring Diagram - Nc090 Evaporator Unit With Yc090 Condenser Unit

    NOTE: Liquid line solenoid is not included or required on 7.5 Ton Single Stage Units. Figure 3: Typical Field Wiring Diagram - NC090 Evaporator Unit with YC090 Condenser Unit NOTE: On non NC/ND Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the condensing unit.
  • Page 14: Typical Field Wiring Diagram - Nc120 Thru 240 Evaporator Unit With Yc120 Thru 240 Condenser Unit

    NOTE: On non NC/ND Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the condensing unit. VALVE SYS 2 218 / BR 1LLS 219 / Y Figure 5: NC120 - 240 Liquid Line Solenoid Wiring Johnson Controls Unitary Products...
  • Page 15: Typical Field Wiring Diagram - Nd120 Thru 240 Air Handling Unit With Yd120 Thru 240 Condensing Unit

    Figure 6: Typical Field Wiring Diagram - ND120 thru 240 Evaporator Unit with YD120 thru 240 Condenser Unit NOTE: On non NC/ND Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the condensing unit. Johnson Controls Unitary Products...
  • Page 16: Typical Field Wiring Diagram - Twin Nc120 Thru 240 Evaporator Units With 4-Pipe Condenser Unit

    75 VA liquid line solenoid valve. transformer on the condensing unit. VALVE SYS 2 218 / BR 1LLS 219 / Y Figure 8: NC120 - 240 Liquid Line Solenoid Wiring Johnson Controls Unitary Products...
  • Page 17: Typical Field Wiring Diagram - Single 4-Pipe Evaporator Unit With Twin Condenser Units

    Figure 9: Typical Field Wiring Diagram - Single 4-Pipe Evaporator Unit with Twin Condenser Units NOTE: On non NC/ND Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the condensing unit. Johnson Controls Unitary Products...
  • Page 18: Typical Field Wiring Diagram - Twin Nc090 Evaporator Units With Yd180 Condenser Unit

    Figure 10: Typical Field Wiring Diagram - Twin NC090 Evaporator Units with YD180 Condenser Unit NOTE: On non NC/ND Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the condensing unit. Johnson Controls Unitary Products...
  • Page 19: Yc090, Yc/Yd120, Yc/Yd150 Unit Dimensions

    8.98 REAR LEFT 1.882 10.60 Figure 11: YC090, YC/YD120, YC/YD150 Unit Dimensions NOTE: Use a System 1 piping dimensions when applying a YC09/120/150 model system. Table 7: YC090, YC/YD120, YC/YD150 Unit Height Dimensions MODEL YC090 44.5 YC120 50.0 YD120 50.0 YC150 50.0...
  • Page 20: Yc/Yd180, Yc/Yd240 & Yc300 Unit Dimensions And Piping & Electrical Dimensions

    SYSTEM 1 16.133 13.133 17.367 18.867 20.617 22.617 FRONT (PIPING DETAIL) Figure 12: YC/YD180, YC/YD240 & YC300 Unit Dimensions and Piping & Electrical Dimensions NOTE: Use System 1 piping dimensions when applying a YC180/240/300 model system. Johnson Controls Unitary Products...
  • Page 21: Piping And Electrical Connections

    12. Is any electrical wire laying against a hot refrigerant line? Initial Start-Up Supply power to the unit through the disconnect switch at least 8 hours prior to starting the compressor. Johnson Controls Unitary Products...
  • Page 22: Operation

    Cooling Sequence Of Operation • A high-pressure switch is factory installed to protect Single-Stage Condenser Unit (YC090) against excessive discharge pressure due to a blocked condenser coil or a condenser fan motor failure. During A single stage cooling thermostat is required to operate the cooling operation, if a high-pressure limit switch opens, condenser unit.
  • Page 23 A two stage cooling thermostat is required to operate the Refer to the appropriate 2LA low ambient kit instructions for condenser unit. additional detail on the factory or field installed low ambient kit and its operation. Johnson Controls Unitary Products...
  • Page 24: Fan Orientation - Control Box End

    430643-YIM-G-0212 Rear Rear Front Front Figure 13: Fan Orientation - Control Box End Table 10: YC090 thru 300 Unit Control Board Flash Codes GREEN FLASH CODE DESCRIPTION On Steady This is a Control Failure 1 Flash Not Applicable 2 Flashes...
  • Page 25: Unit Control Board

    To reset all currently displayed mode (Option Byte or Heat ASCDs for one cycle, press and release the UCB TEST/ Delay). (Heat Delay not applicable on these units.) RESET button once. Johnson Controls Unitary Products...
  • Page 26: Troubleshooting

    M1, and referred to may vary. Check the wiring label inside the that the contactor is pulled in. Check for loose wiring control box access panel for the correct wiring. between the contactor and the compressor. Johnson Controls Unitary Products...
  • Page 27 Y1 “OUT” terminal, the UCB must be If 24 volts is present at the UCB Y2 terminal and none of replaced. the protection switches have opened, the UCB may have locked out the compressor for repeat trips. The UCB Johnson Controls Unitary Products...
  • Page 28 UCB has faulted. If 24 volts is not present at the C1 terminal, check for 24 If none of the above correct the error, replace the UCB. volts from the room thermostat at the UCB Y1 terminal. If Johnson Controls Unitary Products...
  • Page 29: Yc090 Charging Chart

    1. Make sure that both condenser fans are running when charging. 2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply. Figure 15: YC090 Charging Chart Charging Curves YC120 115°...
  • Page 30: Yd120 Charging Chart

    2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply. Figure 18: YC150 Charging Chart Johnson Controls Unitary Products...
  • Page 31: Yd150 Charging Chart

    2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply. Figure 20: YC180 Charging Chart Johnson Controls Unitary Products...
  • Page 32: Yd180 Charging Chart

    2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply. Figure 22: YC240 Charging Chart Johnson Controls Unitary Products...
  • Page 33: Yd240 Charging Chart

    2. This chart is applicable to unit with the TXV's left to the factory setting. If the TXV's have been adjusted in the field, the charging chart may no longer apply. Figure 24: YC300 Charging Chart Johnson Controls Unitary Products...
  • Page 34: Typical Wiring Diagrams

    430643-YIM-G-0212 Typical Wiring Diagrams Figure 25: Typical YC090 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 35: Typical Yc120 - 150 Condensing Unit Wiring Diagram

    430643-YIM-G-0212 Figure 26: Typical YC120 - 150 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 36: Typical Yd120 - 150 Condensing Unit Wiring Diagram

    430643-YIM-G-0212 Figure 27: Typical YD120 - 150 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 37: Typical Yc180 Condensing Unit Wiring Diagram

    430643-YIM-G-0212 Figure 28: Typical YC180 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 38: Typical Yd180 - 240 Condensing Unit Wiring Diagram

    430643-YIM-G-0212 Figure 29: Typical YD180 - 240 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 39: Typical Yc240 Condensing Unit Wiring Diagram

    430643-YIM-G-0212 Figure 30: Typical YC240 Condensing Unit Wiring Diagram Johnson Controls Unitary Products...
  • Page 40: Typical Yc300 Condensing Unit Wiring Diagram

    Figure 31: Typical YC300 Condensing Unit Wiring Diagram Subject to change without notice. Printed in U.S.A. 430643-YIM-G-0212 Copyright © 2012 by Johnson Controls, Inc. All rights reserved. Supersedes: 430643-YIM-F-0611 Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...

This manual is also suitable for:

Yc120Yd120Yc150Yd150Yc180Yd180 ... Show all

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