York CHAMPION B1HH024 User Manual

GENERAL
YORK Model B1HH units are factory assembled heat pumps
designed for outdoor installation on a roof top or a slab. Field-
installed electric heater accessories are available to provide
supplemental electric heat combined with electric cooling and
heating.
The units are completely assembled on rigid, removable
base rails. All piping, refrigerant charge, and electrical wiring
is factory installed and tested. The units require only electric
power and duct connections at the point of installation.
The electric heaters have nickel-chrome resistance wire ele
-
ments and utilize single point power connection.
INSPECTION
As soon as a unit is received, it should be inspected for possi
-
ble damage during transit. If damage is evident, the extent of
the damage should be noted on the carrier's freight bill. A
separate request for inspection by the carrier's agent should
be made in writing. Refer to Form 50.15-NM for additional in
-
formation.
REFERENCE
Additional information on the design, installation, operation
and service ofthis equipment is available in the following refer-
ence forms:
• 55.70-N1 — General Installation
• 55.70-N2 — Pre-start & Post-start Check List
• 511.26-N1.1V — Electric Heater Accessory
REPLACEMENT PARTS
•
Refer to Replacement Parts Manual for complete listing of
replacement parts on this equipment.
Installershouldpayparticular attention to the words: NOTE, CAUTION and WARNING.Notes
areintendedtoclarify 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.
CAUTION
THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE WITH THE ENCLOSED INSTALLATION INSTRUCTIONS
AND ANY APPLICABLE LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED TO, BUILDING, ELEC
-
TRICAL, AND MECHANICAL CODES
WARNING
INCORRECT INSTALLATION MAY CREATE ACONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE
PERSONAL INJURY, PROPERTY DAMAGE AND/OR DEATH.
WARNING
DE-ENERGIZE THE ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING TO INSPECT, REPAIR OR PERFORM
MAINTENANCE TO THE UNIT.
CHAMPION® SERIES
SINGLE PACKAGE HEAT PUMPS
Supersedes: 66297-YIM-B-1004
66297-YIM-C-0205
INSTALLATION INSTRUCTION
®
MODELS B1HH018 THRU 060
1.5 THRU 5 TON
(12 SEER)

York CHAMPION B1HH024 Specifications

General

Tonnage	2 Ton
SEER	14
HSPF	8.2
Refrigerant Type	R-410A
Voltage	208/230V
Phase	1
Cooling Capacity	24, 000 BTU/h

Summary

GENERAL

Unit Description and Features

Basic overview of the YORK Model B1HH units, including their assembly and electric heater elements.

INSPECTION

Pre-Installation Unit Inspection

Procedure for checking the unit for potential damage during transit upon receipt.

PRODUCT NOMENCLATURE

Model Identification Scheme

Explanation of the alphanumeric coding used for identifying unit models.

INSTALLATION LIMITATIONS

Compliance with Codes and Standards

Mandatory adherence to national, local, and state safety codes for installation.

LOCATION GUIDELINES

Outdoor Installation Requirements

Guidelines for selecting a suitable outdoor location, including pad and air supply.

CLEARANCES

Required Service and Operation Clearances

Minimum clearances needed around the unit for proper operation and servicing.

DUCT WORK

Downflow Duct Configuration

Steps to convert the unit for downflow ductwork and requirements for supply ducts.

POWER AND CONTROL WIRING

Field Wiring Compliance and Safety

Adherence to NEC/CEC codes for field wiring and provision of mechanical strain relief.

CONTROL WIRING

Thermostat and Unit Terminal Connections

Diagram showing typical thermostat connections to the unit terminal strip.

POWER WIRING

Field Power Supply Connections

Diagrams illustrating single and three-phase field power supply connections.

SEQUENCE OF OPERATION

Cooling Mode Operation

Step-by-step description of how the unit operates in cooling mode based on thermostat signals.

Heating Mode Operation

Step-by-step description of how the unit operates in heating mode based on thermostat signals.

Defrost Cycle Operation

Explanation of the defrost cycle initiation, termination, and safety features.

Safety Switch and Limit Operation

Details on the function of safety switches and limit controls for protection.

INSTALLATION COMPLETION

Owner Approval and System Familiarization

Procedure for securing owner's approval and instructing them on unit operation.

NORMAL MAINTENANCE

Filter Inspection and Replacement

Guidance on inspecting, cleaning, or replacing air filters for optimal unit performance.

Outdoor Coil Cleaning

Instructions for cleaning the outdoor coil to maintain efficiency and prevent damage.

TROUBLESHOOTING

Elementary Wiring Diagram

A basic schematic illustrating the unit's electrical connections for troubleshooting.

TYPICAL WIRING DIAGRAM LEGEND

Component and Wire Identification

Explanation of symbols and labels used in the wiring diagrams for component identification.

TYPICAL WIRING DIAGRAM NOTES

Wiring Installation and Servicing Precautions

Important notes and safety precautions for installing and servicing unit wiring.