York Predator BP078 User Manual

INSTALLATION
MANUAL
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
SINGLE PACKAGE HEAT PUMP
HIGH EFFICIENCY
BP078, 090, 102, 120 AND 150
(6-1/2 TO 12-1/2 TON)
127421-YIM-C-0606
®
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . .5
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
REFERENCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . .5
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . .6
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . .48
See following pages for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
The installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions
are given to
prevent equipment damage. Warnings are given to alert
installer that personal injury and/or equipment damage may
result if installation procedure is not handled properly.
Tested in accordance with:

York Predator BP078 Specifications

General

Brand	York
Model	Predator BP078
Category	Heat Pump
Language	English

Summary

GENERAL INFORMATION

SAFETY CONSIDERATIONS

Outlines hazards and precautions for installing and servicing the equipment.

INSPECTION AND REFERENCES

Details unit inspection procedures and lists additional information resources.

NOMENCLATURE

INSTALLATION GUIDELINES

INSTALLATION SAFETY INFORMATION

Stresses the importance of following installation instructions and safety guidelines.

PRECEDING INSTALLATION

Details steps to take before proceeding with the unit installation.

INSTALLATION LIMITATIONS

Outlines the required codes and standards for unit installation.

LOCATION REQUIREMENTS

RIGGING AND HANDLING

CLEARANCES

DUCTWORK AND COVERS

UNIT COMPONENTS

THERMOSTAT AND POWER WIRING

Provides guidelines for thermostat and power wiring, including safety precautions.

POWER WIRING DETAIL

PHYSICAL AND ELECTRIC HEAT DATA

UNIT ACCESSORIES

ECONOMIZER AND POWER EXHAUST SET POINT ADJUSTMENTS

Guides on adjusting economizer and power exhaust set points for optimal performance.

MINIMUM POSITION ADJUSTMENT

Describes how to adjust the minimum damper position for the economizer.

ENTHALPY SET POINT ADJUSTMENT

Explains how to set the enthalpy set point for the economizer.

INDOOR AIR QUALITY AQ

Explains the function and connection of the Indoor Air Quality (AQ) input.

BLOWER AND BELT ADJUSTMENTS

AIR BALANCE AND QUANTITY CHECK

METHOD ONE

Describes checking air quantity by measuring pressure drop across the indoor coil.

METHOD TWO

Describes checking air quantity by measuring pressure drop across the entire unit.

SUPPLY AIR DRIVE ADJUSTMENT

OPERATION SEQUENCES

CONTINUOUS AND INTERMITTENT BLOWER MODES

Explains how to set blower operation modes via the thermostat.

NO OUTDOOR AIR OPTIONS COOLING

Details cooling sequence when no outdoor air options are present.

ECONOMIZER WITH SINGLE ENTHALPY SENSOR

Explains cooling operation with an economizer and single enthalpy sensor.

ADVANCED OPERATION MODES

COOLING OPERATION ERRORS

Lists cooling system errors and how they are handled by the UCB.

HIGH-PRESSURE LIMIT SWITCH

Describes how the UCB responds to high-pressure limit switch activations.

LOW-PRESSURE LIMIT SWITCH

Explains UCB response to low-pressure limit switch openings.

SAFETY CONTROLS AND HEATING OPERATION

COMPRESSOR PROTECTION

Covers inherent compressor protection features like ASCD and minimum run time.

FLASH CODES AND RESET

Explains how the UCB uses flash codes for troubleshooting and how to reset them.

HEATING SEQUENCE OF OPERATION

Details the sequence for first and second stage heating operations.

ELECTRIC HEAT OPERATION AND SAFETY

ELECTRIC HEAT OPERATION ERRORS

Explains errors related to electric heat operation.

TEMPERATURE LIMIT

Describes the function of the high temperature limit switch for electric heat.

SAFETY CONTROLS

Lists safety controls for electric heat units.

LIMIT SWITCH (LS)

Details the location and function of the electric heat limit switch.

START-UP AND CHARGING PROCEDURES

PRESTART AND POST START CHECK LISTS

Lists checks to be performed before and after unit start-up.

SUPERHEAT CHARGING METHOD

Details the procedure for charging the system using superheat calculations.

TROUBLESHOOTING OVERVIEW

PREDATOR® FLASH CODES

Explains the unit's flash codes for diagnosing operational issues.

UNIT CONTROL BOARD FLASH CODES

COOLING TROUBLESHOOTING GUIDE