York J ZJ Series User Manual

R-410A
J**ZJ SERIES W/SMART EQUIPMENT™
3 - 5 Ton
60 Hertz
5803641-JIM-B-0620
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Single Enthalpy Changeover. . . . . . . . . . . . . . . . . . . . . . . 29
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 29
Auto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Free Cooling Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 44
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 44
Electric Heating Sequence Of Operations . . . . . . . . . . . . 45
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 46
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 47
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 47
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Control Board Navigation Components . . . . . . . . . . . . . . . . . 51
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
LIST OF TABLES
1 JA3 thru A5ZJ Unit Limitations . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 JA3 thru A5ZJ Unit Accessory Weights . . . . . . . . . . . . . . 8
4 JA3 thru A5ZJ Unit Physical Dimensions . . . . . . . . . . . . 11
5 JA3 thru A5ZJ Unit Clearances . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 25
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . 26
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . 27
14 Smart Equipment™ Economizer Board Details . . . . . . . 31
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . 35
17 Airflow Performance - Side Duct Application . . . . . . . . . 38
18 Airflow Performance - Bottom Duct Application . . . . . . . 3 9
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . 40
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 40
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . 42
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 43
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . 46
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . 46
26 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 48
27 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . 50
28 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
29 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . 52
30 Cable for FC Buses and SA Buses in Order of Preference . 58
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . 58
LIST OF FIGURES
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Component Location (JA3ZJ Shown) . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 JA3 thru A4ZJ Physical Dimensions . . . . . . . . . . . . . . . . 9
9 JA5ZJ Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 10
10 JA3 thru A5ZJ Unit Bottom Duct Openings . . . . . . . . . . 1 2
11 JA3 thru A5ZJ Unit Electrical Entry . . . . . . . . . . . . . . . . 13
12 JA3 thru A5ZJ Unit Side Duct Openings . . . . . . . . . . . . 1 3
13 JA3 thru A5ZJ Unit Left/End Duct Opening . . . . . . . . . . 1 4
14 JA3 thru A5ZJ Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . 14
15 JA3 thru A5ZJ Transition Roof Curb . . . . . . . . . . . . . . . 15
16 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . 15
17 Return Downflow Plenum With Panel . . . . . . . . . . . . . . 16
18 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . 16
19 Save Side Panels For Economizer Hood Tops . . . . . . . 16
20 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
21 Field Wiring Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . 18
22 Typical Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 19
23 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 26
24 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . 26
25 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . 3 1
26 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
27 Altitude/Temperature Correction Factors . . . . . . . . . . . . 36
28 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
29 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
30 Typical Two Stage Gas Valve . . . . . . . . . . . . . . . . . . . . 51
31 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

York J ZJ Series Specifications

General

Category	Air Conditioner
Series	J ZJ Series
Brand	York
Cooling Capacity Range	1.5 to 5 tons
Refrigerant	R-410A
Warranty	10-year limited warranty on compressor, 5-year limited warranty on parts

Summary

General Unit Information and Safety

Safety Considerations and Warnings

Provides critical safety alerts, warnings, and precautions for installation and operation.

Refrigerant Handling Precautions

Details safety measures for R-410A refrigerant systems, including pressure and oil handling.

Inspection and Compliance

Unit Inspection and Code Compliance

Emphasizes strict adherence to installation codes and handling of transit damage.

Renewal Parts and Approvals

Information on ordering replacement parts and unit CSA certification.

Nomenclature and Dimensions

Unit Model Number Breakdown

Explains the structure and meaning of unit model number components for identification.

Physical Dimensions

Provides detailed physical dimensions for JA3, A4ZJ, and JA5ZJ unit models.

Installation Procedures

Installation Safety Information

Essential safety guidelines and installer responsibilities before starting installation.

Preceding Installation Steps

Key tasks to complete before unit installation, like removing shipping brackets.

Convenience Outlet Wiring

Notes on wiring factory-installed convenience outlets and transformer tap adjustments.

Limitations and Clearances

Installation Code Compliance

Specifies installation requirements based on US and Canadian codes.

Unit Clearances

Specifies required clearances for proper unit operation and servicing.

Rigging, Handling, and Location

Unit Placement Guidelines

Recommendations for selecting suitable outdoor installation locations.

Rigging and Handling Safety

Precautions and best practices for safely moving and lifting the unit.

Ductwork and Accessories

Ductwork Design and Sizing Standards

Guidelines for designing and sizing ductwork according to industry standards.

Condensate Drain and Side Panels

Instructions for condensate drain installation and using side panels for economizers.

Compressors, Filters, and Wiring

Compressor Specifications and Handling

Details on compressor type, oil, and handling precautions due to hygroscopic properties.

Filter Installation and Maintenance

Guidelines for filter installation, cleaning, and replacement for optimal performance.

Power and Control Wiring Requirements

Requirements for field wiring, fuses, disconnects, and electrical grounding.

Thermostat and Control Wiring

Thermostat Installation Location

Guidance on optimal thermostat placement for accurate readings.

Typical Control Wiring Diagram

Illustrates typical wiring connections between the thermostat and the unit control board.

Optional Heating and Gas Systems

Optional Electric Heat

Information on factory-installed electric heaters and minimum supply air requirements.

Optional Gas Heat and Piping

Details on gas heating components, piping, and sizing standards.

Gas Connection Recommendations

Best practices for connecting gas supply lines and leak testing.

Economizer and Airflow Control

Economizer Operation Modes

Explains various economizer modes like dry bulb, single enthalpy, and dual enthalpy.

Power Exhaust System

Details on power exhaust setpoints, inputs, outputs, and operational procedures.

Indoor Air Quality and Phasing

Guidance on IAQ sensor connection, phasing, and blower rotation checks.

Drive and Belt Adjustment

Belt Tension Adjustment

Procedure for correctly adjusting belt tension on blower systems.

CFM, Static Pressure, and Altitude Corrections

Information on correcting CFM and static pressure for altitude and temperature.

Supply Air Drive Adjustment

Instructions on adjusting blower speed and motor sheave for required airflow.

Unit Operation Sequences

Cooling Sequence of Operation

Describes how the unit operates during various cooling modes and conditions.

Heating Sequence of Operations

Details operation for electric and gas heating, including error handling.

Cooling Operation Errors and Safety

System monitoring for cooling errors, safety controls, and compressor protection.

Start-Up and Initial Checks

Start-Up (Cooling) Checklist

Pre-start checks required before initiating cooling operation.

Start-Up (Gas Heat) Procedures

Essential pre-start checks, operating instructions, and shut down for gas heating.

Manifold Gas Pressure Adjustment

Procedure for adjusting gas valve manifold pressure for optimal heating input.

Control Board and Measurements

Control Board Navigation

Components and methods for accessing and navigating the Smart Equipment control board.

Operating Measurements - Air Flow

Procedures for measuring and calculating airflow and related parameters.

Refrigerant Safeties and Gas Heating Measurements

Checks for refrigerant safety controls and gas heating operating measurements.

Final Inspection and Documentation

Reference Checklists

Checklists for general, air moving, exhaust, and economizer inspections.

Final Inspection and Control Verification

Ensures all control setpoints, parameters, and final checks are completed.