York ZF SERIES User Manual

R-410A
ZF SERIES W/SMART EQUIPMENT™
6-1/2 - 12-1/2 Ton
60 Hertz
5464597-YIM-B-0518
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . . . . 35
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . . . 37
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Dry Bulb Changeover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . .37
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Exhaust. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Air Balance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electric Heating Sequence Of Operations . . . . . . . . . . . . . . . . 56
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 56
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 57
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 58
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . . 62
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
LIST OF TABLES
1 ZF078-150 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZF078-150 Unit Accessory Weights . . . . . . . . . . . . . . . . . . . . 9
4 ZF078-150 Unit Physical Dimensions . . . . . . . . . . . . . . . . . . 11
5 ZF078-150 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10 ZF078-150 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 31
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 32
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . . 33
14 Smart Equipment™ Economizer Board Details. . . . . . . . . . . 39
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
16 Altitude/Temperature Correction Factors. . . . . . . . . . . . . . . . 44
17 Airflow Performance - Side Duct Application . . . . . . . . . . . . . 46
18 Airflow Performance - Bottom Duct Application . . . . . . . . . . 48
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 50
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 50
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 52
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 53
24 Electric Heat Limit Setting 50” Cabinet . . . . . . . . . . . . . . . . . 57
25 Electric Heat Limit Setting 42” Cabinet . . . . . . . . . . . . . . . . . 57
26 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 57
27 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . . 59
28 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 59
29 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 61
30 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
31 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 63
32 Cable for FC Buses and SA Buses in Order of Preference . 69
33 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 69
LIST OF FIGURES
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4Predator
®
Component Location (ZF120 Shown) . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZF078-120 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9 ZF150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 ZF078-150 Unit Bottom Duct Openings . . . . . . . . . . . . . . . 12
11 ZF078-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . . 13
12 ZF078-120 Unit Side Duct Openings . . . . . . . . . . . . . . . . . 13
13 ZF150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . 14
14 ZF078-150 Unit Left Duct Opening . . . . . . . . . . . . . . . . . . . 14
15 ZF078-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 ZF078-150 Transition Roof Curb . . . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . 16
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . 16
19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
20 Save Side Panels For Economizer Hood Tops . . . . . . . . . . 16
21 Condensate Drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
22 Field Wiring Disconnect - Cooling Unit With/Without Electric
Heat and All Units With VFD Option . . . . . . . . . . . . . . . . . . . 18
23 Field Wiring Disconnect - Cooling Unit With Gas Heat Without
VFD Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
24 Typical Electronic Thermostat Field Wiring . . . . . . . . . . . . . 20
25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
28 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . . 39
29 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
30 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 44
31 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
32 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
33 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
34 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

York ZF SERIES Specifications

General

Brand	York
Model	ZF SERIES
Category	Air Conditioner
Language	English

Summary

General Information and Safety

Safety Considerations

Covers warnings, signal words, and potential hazards associated with unit operation and installation.

Installation Procedures

Installation Safety Information

Provides essential safety guidelines to follow during unit installation to prevent injury or damage.

Power and Control Wiring

Details electrical connections, grounding, and wiring requirements for safe operation.

Unit Operation and Control

Low Ambient Cooling and Safety Controls

Covers low ambient operation, system safeties, and compressor protection mechanisms.

Electric Heating Sequence of Operations

Describes the operation sequence for electric heat elements based on thermostat calls.

Gas Heating Sequence and Controls

Details gas heat operation, ignition, flame sensing, and control board functions.

Smart Equipment™™ Control Board Details

Provides detailed information on UCB terminals, connections, and functions.

System Calibration and Checks

Altitude and Temperature Corrections

Airflow Performance and Drive Selection

Air Balancing Procedures

Supply Air Drive Adjustment

Gas Heat Input and Pressure Adjustment

Start-Up and Final Inspection

Cooling System Start-Up

Provides pre-start checks, operating instructions, and post-start checks for cooling.

Gas Heat System Start-Up

Covers gas heat startup, safety checks, and operational verification.

Final Inspection Checklist

Operating Measurements

Air Flow Measurements

Cooling and Gas Heating Measurements