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R-410A
MODELS:
PC090 Thru 240
PD180 Thru 240
7.5 - 20 Ton
60 Hertz
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Renewal Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1 PC090 - 240 and PD180 - 240 Physical Data . . . . . . . . . . 4
2 Unit Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Corner Weights & Center of Gravity . . . . . . . . . . . . . . . . . 6
4 Minimum Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Convenience Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1 Corner Weights & Center Of Gravity . . . . . . . . . . . . . . . . 6
2 Typical Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
With PC090 Condensing Unit . . . . . . . . . . . . . . . . . . . . 12
Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5 NC/ND120 - 240 Liquid Line Solenoid Wiring . . . . . . . . 13
6 PC090, PC120 Unit Dimensions . . . . . . . . . . . . . . . . . . 14
Electrical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8 Fan Orientation Control Box End . . . . . . . . . . . . . . . . . . 19
TABLE OF CONTENTS
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Refrigerant Mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Piping And Electrical Connections . . . . . . . . . . . . . . . . . . 16
Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 17
Unit Control Board Option Setup. . . . . . . . . . . . . . . . . . . . 21
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
LIST OF TABLES
Convenience Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7 PC090, PC120 Unit Dimensions . . . . . . . . . . . . . . . . . . . 14
8 PC/PD180 & PC/PD240 Unit Dimensions . . . . . . . . . . . 16
9 Piping and Electrical Connection Sizes . . . . . . . . . . . . . 16
10 Unit Control Board Flash Codes . . . . . . . . . . . . . . . . . . . 20
LIST OF FIGURES
9 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 PC090 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 23
11 PC120 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 23
12 PC180 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 24
13 PD180 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 24
14 PC240 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 25
15 PD240 Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 25
16 Typical PC090 Heat Pump Wiring Diagram . . . . . . . . . . 26
17 Typical PC120 Heat Pump Wiring Diagram . . . . . . . . . . 27
18 Typical PC180 - 240 Heat Pump Wiring Diagram . . . . . 28
19 Typical PD180 - 240 Heat Pump Wiring Diagram . . . . . 29
430645-YIM-B-0209
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Table of Contents
Related Manuals for Johnson Controls Unitary Products PC090
Summary of Contents for Johnson Controls Unitary Products PC090
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Page 1: Table Of Contents
2 Typical Rigging ....... . 7 10 PC090 Charging Chart ......23 3 Typical Field Wiring Diagram - NC090 Air Handling Unit 11 PC120 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: Renewal Parts
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
430645-YIM-B-0209 Physical Data Table 1: PC090 - 240 and PD180 - 240 Physical Data Models Component PC090 PC120 PC180 PD180 PC240 PD240 Nominal Tonnage REFRIGERANT Refrigerant type R-410A R-410A R-410A R-410A R-410A R-410A Holding charge (lb) System #1 16.1 23.3 35.7... -
Page 5: Installation
The slab should only. not be tied to the building foundation, as noise will telegraph through the slab. The condenser fans are the propeller type and are not suitable for use with ductwork in the condenser air stream. Johnson Controls Unitary Products... -
Page 6: Corner Weights & Center Of Gravity
Further safety precautions such as a fenced enclosure or locking devices on the panels may be advisable. Check local On either rooftop or ground level installations, rubber padding authorities for safety regulations. can be applied under the unit to lessen any transmission of vibration. Johnson Controls Unitary Products... -
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: Phasing
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 - Hp 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: Refrigerant Mains
Erodes the seat of the refrigerant control device. atmosphere is provided. Causes erratic control of the refrigerant entering the evaporator. NOTE: Dry Nitrogen should flow through the system at all times when heat is being applied and until the joint has Johnson Controls Unitary Products... - Page 11 "Application Data - General Piping Recommendations for Split System Air Conditioning and Heat Pumps". Connect a low-pressure nitrogen source to the Schrader valve located on the evaporator section coil headers. Drill a small Johnson Controls Unitary Products...
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Page 12: Typical Field Wiring Diagram - Nc090 Air Handling Unit With Pc090 Condensing Unit
430645-YIM-B-0209 S1 G1 S2 S1 G1 S2 SINGLE STAGE THERMOSTAT Figure 3: Typical Field Wiring Diagram - NC090 Air Handling Unit With PC090 Condensing Unit Johnson Controls Unitary Products... -
Page 13: Typical Field Wiring Diagram - Nc/Nd120 Thru 240 Air Handling Units With Pc/Pd180 Thru 240 Condensing
Figure 4: Typical Field Wiring Diagram - NC/ND120 Thru 240 Air Handling Units With PC/PD180 Thru 240 Condensing Units NOTE: On non NC/ND Air Handler models isolation relays must be installed to avoid overloading on 75 VA transformer on the condensing unit. Figure 5: NC/ND120 - 240 Liquid Line Solenoid Wiring Johnson Controls Unitary Products... -
Page 14: Pc090, Pc120 Unit Dimensions
OUTLET 3.00 SYSTEM 1 3.38 4 PIPE APPLICATION ONLY - DETAIL - REAR REAR LEFT Ø 1.500 THRU 2.250 Figure 6: PC090, PC120 Unit Dimensions Table 7: PC090, PC120 Unit Dimensions MODEL PC090 59.1 31.9 44.5 11.4 12.4 14.9 10.5 14.7... -
Page 15: Pc/Pd180 & Pc/Pd 240 Unit Dimensions And Piping & Electrical Dimensions
Weatherproof cover shown in open position Convenience Outlet Control and Power wiring connections Power Disconnect Switch PC180/240 PC/PD180/240 FRONT RIGHT PD180/240 FRONT (PIPING DETAIL) Figure 7: PC/PD180 & PC/PD240 Unit Dimensions and Piping & Electrical Dimensions Johnson Controls Unitary Products... -
Page 16: Piping And Electrical Connections
Have sufficient clearances been provided? inspect all factory wiring connections and bolted surfaces Has all foreign matter been removed from the interior of the for tightness. unit (tools, construction or shipping materials, etc.)? Johnson Controls Unitary Products... -
Page 17: Operation
Cooling Sequence Of Operation each cooling system: • A high-pressure switch is factory installed to protect Single-Stage Condensing Unit (PC090 or YC090) Matched against excessive discharge pressure due to a blocked with a Single Indoor Unit condenser coil or a condenser fan motor failure. During When the thermostat calls for cooling, the Simplicity™... - Page 18 The jumper between G1 and G2 must be removed on the T2 Compressor and condenser fans by 30 seconds in order to terminal block. Both G1 and G2 will provide 24V signals to avoid excessive inrush. operate their respective indoor fan motors. Johnson Controls Unitary Products...
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Page 19: Fan Orientation Control Box End
If the associated compressor has satisfied its minimum run time, its associated condenser fans are de-energized. Front Front Otherwise, the unit operates each compressor and condenser Figure 8: Fan Orientation Control Box End fans until the ASCD has elapsed. Johnson Controls Unitary Products... -
Page 20: Unit Control Board Flash Codes
EEPROM Storage Failure No Power or Control Failure 1. Non-alarm condition. Check Alarm History Reset All ASCDs for One Cycle Non Alarm Condition Green LED Flashing Current Alarm Flashed Red LED Figure 9: Unit Control Board Johnson Controls Unitary Products... -
Page 21: Unit Control Board Option Setup
ASCDs for one cycle, press and release the UCB TEST/ control board only saves the parameters for the RESET button once. currently displayed mode (Option Byte or Heat Delay). (Heat Delay not applicable on these units.) Johnson Controls Unitary Products... -
Page 22: Troubleshooting
The wire number or color and terminal designations referred to may vary. Check the wiring label inside the Only soap and water can be used to clean microchannel control box access panel for the correct wiring. coils. Do not use an acid cleaner. Johnson Controls Unitary Products... -
Page 23: Pc090 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 10: PC090 Charging Chart Charging Curves PC120 115°... -
Page 24: Pc180 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 13: PD180 Charging Chart Johnson Controls Unitary Products... -
Page 25: Pc240 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 15: PD240 Charging Chart Johnson Controls Unitary Products... -
Page 26: Typical Wiring Diagrams
430645-YIM-B-0209 Typical Wiring Diagrams Figure 16: Typical PC090 Heat Pump Wiring Diagram Johnson Controls Unitary Products... -
Page 27: Typical Pc120 Heat Pump Wiring Diagram
430645-YIM-B-0209 Figure 17: Typical PC120 Heat Pump Wiring Diagram Johnson Controls Unitary Products... -
Page 28: Typical Pc180 - 240 Heat Pump Wiring Diagram
430645-YIM-B-0209 Figure 18: Typical PC180 - 240 Heat Pump Wiring Diagram Johnson Controls Unitary Products... -
Page 29: Typical Pd180 - 240 Heat Pump Wiring Diagram
430645-YIM-B-0209 Figure 19: Typical PD180 - 240 Heat Pump Wiring Diagram Johnson Controls Unitary Products... -
Page 30: Yim-B
430645-YIM-B-0209 Johnson Controls Unitary Products... - Page 31 430645-YIM-B-0209 Johnson Controls Unitary Products...
- Page 32 Subject to change without notice. Printed in U.S.A. 430645-YIM-B-0209 Copyright © 2009 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...