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R-410A
MODELS:
YJ-30 Thru -50
30 - 50 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 YJ-30 thru -50 Physical Data . . . . . . . . . . . . . . . . . . . . . . 4
2 Unit Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Corner Weight & Center Of Gravity (Inches) . . . . . . . . . . 6
4 Minimum Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 Electrical Data - Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . 9
1 Corner Weights & Center Of Gravity . . . . . . . . . . . . . . . . . 6
2 Typical Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Matched with YJ-30/-40/-50 Condenser . . . . . . . . . . . . 12
4 Typical NJ-30/-40 & MACZ-50 Liquid Line Solenoid
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Typical Liquid Line Solenoid Wiring . . . . . . . . . . . . . . . . . 13
6 YJ Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 30 Ton Power And Control Wiring Connections . . . . . . . . 15
9 30 Ton Piping Connections . . . . . . . . . . . . . . . . . . . . . . . 16
TABLE OF CONTENTS
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Refrigerant Mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Piping And Electrical Connections . . . . . . . . . . . . . . . . . . 17
Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 19
Unit Control Board Option Setup. . . . . . . . . . . . . . . . . . . . 20
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LIST OF TABLES
6 Unit Dimensions (Inches) . . . . . . . . . . . . . . . . . . . . . . . . 14
(Inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 Electrical Power Knockout Sizes (Inches) . . . . . . . . . . . 16
9 YJ-30 thru -50 Unit Control Board Flash Codes. . . . . . . 20
LIST OF FIGURES
10 40 & 50 Ton Piping Connections . . . . . . . . . . . . . . . . . . . 17
11 Fan Orientation Control Box End . . . . . . . . . . . . . . . . . . 19
12 Compressor Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
13 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
14 YJ-30 Charging Curves . . . . . . . . . . . . . . . . . . . . . . . . . . 22
15 YJ-40 Charging Curves . . . . . . . . . . . . . . . . . . . . . . . . . . 22
16 YJ-50 Charging Curves . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
579884-BIM-A-0710
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Table of Contents
Related Manuals for York YJ-40
Summary of Contents for York YJ-40
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Page 1: Table Of Contents
4 Typical NJ-30/-40 & MACZ-50 Liquid Line Solenoid 15 YJ-40 Charging Curves ......22 Wiring ........12 16 YJ-50 Charging Curves . -
Page 2: Nomenclature
579884-BIM-A-0710 Nomenclature Configured Split Condenser Model Number Nomenclature Y J -30 C00 A T A AA 1 A Product Style A = Style A Product Category Y = Split System, Condenser, AC, R-410A Product Generation 1 = First Generation Product Identifier J = Standard Efficiency, 4-Pipe, R-410A Product Options Installation Options... -
Page 3: Renewal Parts
579884-BIM-A-0710 Safety Considerations Reference Installer should pay particular attention to the words: NOTE, This instruction covers the installation and operation of the CAUTION, and WARNING. Notes are intended to clarify or basic condensing unit. For refrigerant piping installation make the installation easier. Cautions are given to prevent instructions refer to document 247077 “Application Data - equipment damage. -
Page 4: Physical Data
579884-BIM-A-0710 Physical Data Table 1: YJ-30 thru -50 Physical Data Models Component YJ-30 YJ-40 YJ-50 Nominal Tonnage REFRIGERANT Refrigerant type R-410A R-410A R-410A Holding charge (lb) System #1 47.0 51.0 Operating Charge (lb) System #2 47.0 51.0 DIMENSIONS (inches) Length 128.5... -
Page 5: Installation
579884-BIM-A-0710 The condensing unit and the evaporator should be Table 2: Unit Application Data positioned to minimize the number of bends in the 208/230-3-60 187/252 refrigerant piping. Voltage Variation 460-3-60 432/504 The condensing unit should be as close to the evaporator Min. -
Page 6: Corner Weight & Center Of Gravity (Inches)
(Inches) Unit Model Dim X Dim Y A to B D to C Shipping Operation Length Width YJ-30 1875 1895 128.5 88.5 55.2 44.1 YJ-40 2315 2347 128.5 88.5 53.8 44.1 1154 1161 YJ-50 2345 2381 128.5 88.5 53.0 44.0... -
Page 7: Clearances
579884-BIM-A-0710 Clearances The unit must be installed with sufficient clearance for air to enter the condenser coil, for air discharge and for servicing access. See Table 4 for clearances. NOTE: Additional clearance is required to remove the Before lifting a unit, make sure that its weight is compressors out the back of the unit, unless a means is distributed equally on the cables so that it will lift evenly. -
Page 8: Phasing
579884-BIM-A-0710 Power Wiring POE (polyolester) compressor lubricants are known to cause long term damage to some synthetic roofing materials. Check the available power and the unit nameplate for correct voltage. Run the necessary number of properly sized wires to the unit. Provide a disconnect switch (if not included with the unit) and fusing as required. -
Page 9: Electrical Data - Outdoor Unit
1 1/2 129.5 YJ-30 460-3-60 12.2 460-3-60 1 1/2 63.5 575-3-60 575-3-60 1 1/2 47.1 208/230-3-60 30.1 208/230-3-60 1 1/2 151.1 YJ-40 460-3-60 16.7 460-3-60 1 1/2 82.6 575-3-60 12.2 575-3-60 1 1/2 60.7 208/230-3-60 48.1 208/230-3-60 1 1/2 227.6 YJ-50 460-3-60 18.6... -
Page 10: Refrigerant Mains
579884-BIM-A-0710 Refrigerant Mains Take Adequate Precautions Many service problems can be avoided by taking adequate precautions to provide an internally clean and dry system and This Split-System (Air Condensing / Air Handling) unit is by using procedures and materials that conform to established one component of an entire system. - Page 11 579884-BIM-A-0710 cooled. The flow of nitrogen will prevent oxidation of the sealing disks and prepare the joints for connections of the main copper lines during installation. lines. Always punch a small hole in sealing disks before unbrazing to Connect the main liquid line to the liquid line connection on the prevent the pressure in the line from blowing them off.
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Page 12: Typical Field Wiring Diagram Nj-30/-40 Evaporator Units, Nj- 50 Air Handler And Macz-50A Evaporator Coil When Matched With Yj-30/-40/-50 Condenser
579884-BIM-A-0710 Figure 3: Typical Field Wiring Diagram NJ-30/-40 Evaporator Units, NJ-50 Air Handler and MACZ-50A Evaporator Coil when Matched with YJ-30/-40/-50 Condenser NOTE: On non NJ evaporator models, isolation relays must be NOTE: For applications on airhandlers/evaporator DX coils installed to avoid overloading on 75VA transformers on other than NJ-30 thru -50 certified matchups liquid line the condensing unit. -
Page 13: Typical Liquid Line Solenoid Wiring
579884-BIM-A-0710 Standard Terminal Block on NJ-30/-40 and NJ-50 with MACZ-50A models. On non NJ models isolation relays must be installed to avoid overloading on 75 VA transformer on condensing unit. Primary side of transformer connect to line side of power supply. -
Page 14: Yj Unit Dimensions
LEFT RIGHT FRONT Figure 6: YJ Unit Dimensions Table 6: Unit Dimensions (Inches MODEL YJ-30 128.5 88.5 37.5 41.8 40.0 46.1 37.1 23.6 YJ-40 128.5 88.5 57.7 41.8 40.0 46.1 37.1 23.6 YJ-50 128.5 88.5 57.7 41.8 40.0 46.1 37.1 23.6... -
Page 15: 30 Ton Power And Control Wiring Connections
579884-BIM-A-0710 Control Wiring Power Wiring 37.518 12.878 9.628 SEE DETAIL RIGGING HOLES 19.358 2.313 20.858 2.750 5.183 2.500 22.358 DETAIL RIGGING HOLES SCALE 0.250 88.140 Figure 7: Ton Power And Control Wiring Connections Control Wiring Power Wiring 57.689 33.049 29.799 19.358 20.858 22.358... -
Page 16: 30 Ton Piping Connections
579884-BIM-A-0710 Piping And Electrical Connection Sizes Table 7: Piping And Electrical Connection Sizes (30/40/50T) (Inches) CONNECTION ENTRY SIZE SUCTION LINE SYS #1 1-5/8 OD LIQUID LINE SYS #1 7/8 OD SUCTION LINE SYS #2 1-5/8 OD LIQUID LINE SYS #2 7/8 OD POWER WIRING KNOCKOUT SEE TABLE 8... -
Page 17: Piping And Electrical Connections
579884-BIM-A-0710 57.689 11.385 10.974 37.731 Liquid (Sys 2) 41.934 Suction (Sys 2) 46.206 Suction (Sys 1) 50.409 Liquid (Sys 1) 88.140 Figure 10: 40 & 50 Ton Piping Connections Piping And Electrical Connections Pre-Start Check Before starting the unit, complete the following check list: Piping connections are made from the rear of units. -
Page 18: Operation
579884-BIM-A-0710 Move the system switch on the thermostat to the AUTO or down the condenser fans. On startup, if the low-pressure COOL position. switch opens, the Simplicity™ control board will monitor the low-pressure switch to make sure it closes within one Reduce the setting of the room thermostat to energize the minute. -
Page 19: Cooling Sequence Of Operation
579884-BIM-A-0710 Intermittent Blower not start until the system head pressure reaches 480 psig. Fan 2 will operate until the system head pressure drops below 300 With the room thermostat fan switch set to “AUTO” and the psig where the fan cycling switch will shut the fan down. The system switch set to either the “AUTO”... -
Page 20: Unit Control Board Option Setup
579884-BIM-A-0710 Table 9: YJ-30 thru -50 Unit Control Board Flash Codes GREEN FLASH CODE DESCRIPTION On Steady This is a Control Failure 1 Flash Not Applicable 2 Flashes Flashing Control waiting ASCD 3 Flashes HPS1 Compressor Lockout 4 Flashes HPS2 Compressor Lockout 5 Flashes LPS1 Compressor Lockout 6 Flashes... -
Page 21: Troubleshooting
579884-BIM-A-0710 Pressing and releasing the LAST ERROR button on the UCB Periodic maintenance consists of changing or cleaning filters can check the alarm history. The UCB will cycle through the last and general cleaning of the outdoor coil. five (5) alarms, in reverse order, separating each alarm flash MOTORS - Outdoor fan motors are permanently lubricated and code by approximately 2 seconds. -
Page 22: Charging Curves
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: YJ-40 Charging Curves Johnson Controls Unitary Products... -
Page 23: Charging Curves
579884-BIM-A-0710 Charging Curves 50 Ton 115º 105º 95º 85º 65º Suction Pressure (psi) 1. Make sure that all 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. -
Page 24: Typical Wiring Diagrams
579884-BIM-A-0710 Typical Wiring Diagrams Figure 17: Typical 208/230 Volt, YJ-30/-40/-50 Condensing Unit Wiring Diagram Johnson Controls Unitary Products... -
Page 25: Typical 460/575 Volt, Yj-30/-40/-50 Condensing Unit Wiring Diagram
Figure 18: Typical 460/575 Volt, YJ-30/-40/-50 Condensing Unit Wiring Diagram Subject to change without notice. Printed in U.S.A. 579884-BIM-A-0710 Copyright © 2010 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...