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ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property. Please return to service information pack and give this Installer's Guide to the homeowner
upon completion of work.
4YCY4024 through 4YCY4060
!
SAFETY HAZARD!
This information is for use by individuals having adequate
backgrounds of electrical and mechanical experience. Any
attempt to repair a central air conditioning product may result
in personal injury and/or property damage. The manufacturer
or seller cannot be responsible for the interpretation of this
information, nor can it assume any liability in connection
with its use.
!
HAZARDOUS GASSES!
Exposure to fuel substances, or by-products of incomplete
fuel combustion, is believed by the state of California to cause
cancer, birth defects, or other reproductive harm.
This warning complies with State of California law, Proposi-
tion 65.
This product must be gas piped by a Licensed Plumber or
Gas Fitter in the Commonwealth of Massachusetts.
WARNING:
Installer's Guide
Single Packaged Gas/Electric 14 SEER
Convertible, 2 - 5 Ton, 60 - 115 MBTU
R-410A
WARNING
WARNING
HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCH ARGE
18-EB27D1-13A-EN
!
WARNING
WARNING!
This product can expose you to chemicals including lead,
which are known to the State of California to cause cancer
and birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
!
HAZARDOUS VOLTAGE, MOVING PARTS, AND GAS!
Bodily injury can result from high voltage electrical compo-
nents, fast moving fans, and combustible gas. For protection
from these inherent hazards during installation and service,
the electrical supply must be disconnected and the main
gas valve must be turned off. If operating checks must be
performed with the unit operating, it is the technicians re-
sponsibility to recognize these hazards and proceed safely.
!
SAFETY HAZARD!
Do not operate the unit without the evaporator fan or coil
access panels in place. Reinstall the access panels after
performing maintenance proceedures on the fan. Operating
the unit without the access panels properly installed may
result in severe personal injury or death.
CAPACITORS BEFORE SERVICING
WARNING
WARNING
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Table of Contents
Related Manuals for Trane 4YCY4024
Summary of Contents for Trane 4YCY4024
- Page 1 This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov 4YCY4024 through 4YCY4060 WARNING WARNING HAZARDOUS VOLTAGE, MOVING PARTS, AND GAS!
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Page 2: Safety Considerations
Installer’s Guide Safety Considerations IMPORTANT: Read this entire manual before beginning installation procedures. WARNING NOTICE CONTAINS REFRIGERANT! Warning and Cautions appear at appropriate SYSTEM CONTAINS OIL AND REFRIGERANT UNDER locations throughout this guide. Read these HIGH PRESSURE. RECOVER REFRIGERANT TO RELIEVE carefully. -
Page 3: Table Of Contents
5. If this unit is being installed on a curb, verify that the correct curb is provided for the unit. • 4YCY4024-036 use model BAYCURB050A. • 4YCY4042-060 use model BAYCURB051A. 6. If the unit is being hoisted, accessory kit BAYLIFT002B is recommended. -
Page 4: Step 2-Determine Unit Clearances
Step 2—Determine Unit Clearances Figures 1 through 6 show the unit critical dimensions. NOTE: The view labeled “Bottom Side” represents the Base as viewed looking up from underneath the unit. Figure 1. 4YCY4024 through 4YCY4036 (1 of 3) Page 4... - Page 5 Installer’s Guide Figure 2. 4YCY4024 through 4YCY4036 (2 of 3) Page 5...
- Page 6 Installer’s Guide Figure 3. 4YCY4024 through 4YCY4036 (3 of 3) Page 6...
- Page 7 Installer’s Guide NOTE: The view labeled “Bottom Side” represents the Base as viewed looking up from underneath the unit. Figure 4. 4YCY4042 through 4YCY4060 (1 of 3) Page 7...
- Page 8 Installer’s Guide Figure 5. 4YCY4042 through 4YCY4060 (2 of 3) Page 8...
- Page 9 Installer’s Guide Figure 6. 4YCY4042 through 4YCY4060 (3 of 3) Page 9...
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Page 10: Step 3-Review Location And Recommendation Information
Installer’s Guide Step 3—Review Location and Recommendation Information NOTE: The unit is shipped for horizontal installation. Down Airflow Units NOTE: During heating operation, avoid supply air below 80 Location of the unit must allow service clearance around it to degrees F or return air below 50 degrees F to prevent flue ensure adequate serviceability, maximum capacity, and peak gas condensation. -
Page 11: Step 4-Unit Installation
3. Location of the unit must allow service clearance around it. • 4YCY4024 through 4YCY4036 use model BAYCURB050A. Clearance of the unit must be given careful consideration. See • 4YCY4042 through 4YCY4060 use model BAYCURB051A. -
Page 12: Lifting And Rigging
Installer’s Guide Figure 8. Converting Horizontal to Down Airflow Lifting and Rigging unit when hoisting, use “spreader bars” as shown on page 14. IMPORTANT: The unit must be lowered into position. The P.V.C. WARNING rubber tape on the curb flange permits the unit to be repositioned Improper Unit Lift! if required without destroying the P.V.C. -
Page 13: Rooftop Installation -- Frame Mounting
Installer’s Guide Small Cabinet Medium Cabinet *****018-036 *****042-060 NOTE: These views represent the base as viewed looking up from underneath the unit. IMPORTANT: Unit requires vibration isolator supports in the general areas shown. Locate 3/4" thick vibration isolators on the bottom of the basepan as illustrated by black dots for ground level pad applications. Modify vibration isolator location as necessary for frame and rail applications. - Page 14 Installer’s Guide IMPORTANT: To prevent damage to the sides and top of the unit when hoisting, use “spreader bars” as Base of unit shown in these illustrations. Drip lip on rest on top of perimeter of curb rails unit Spreader Bars Gasket Seal Drip Lip BAYLIFT002A...
- Page 15 Installer’s Guide Supply Air Return Air Roof Flashing Channel Iron Center Support (Center Sup- port required on all Frame Applications.) Angle Iron Frame Figure 12. Typical Rooftop Horizontal Airflow Application with Frame Supply Air Return Air Roof Flashing Roof Flashing Angle Iron Frame Channel Iron Center Support (Center Support required on all...
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Page 16: Ductwork Installation
Installer’s Guide Ductwork Installation Attaching Downflow Ductwork to Roof Curb Supply and return air flanges are provided on the BAYCURB050 and BAYCURB051 model roof curbs for easy duct installation. All UNIT EXTERIOR ductwork must be run and attached to the curb before the unit is WEATHERPROOF THIS SEAM set into place. -
Page 17: Gas Piping Installation
Installer’s Guide Table 2. Natural Gas Only Gas Piping Installation TABLE OF CUBIC FEET PER HOUR OF GAS FOR VARIOUS PIPE SIZES AND LENGTHS WARNING PIPE LENGTH OF PIPE (feet) FIRE OR EXPLOSION HAZARD! SIZE Failure to follow the safety warning exactly could result in (inch) serious injury, death, or property damage. -
Page 18: Manifold Pressure
Installer’s Guide 1. Install a tapped, Style A (1/8-inch NPT tap) shut-off gas cock at from the utility company and compare to the nameplate rating. the end of the gas supply line near the unit. Be sure the tapped This must not exceed the nameplate rating. gas cock is downstream of the pressure regulator, if used. -
Page 19: High Altitude Installation
Installer’s Guide High Altitude Installation Electrical Wiring Unit nameplate ratings are based on equipment operation from sea level to 2000 feet elevation above sea level. No orifice changes WARNING required for high altitude installation, please refer to below chart HAZARDOUS VOLTAGE, MOVING PARTS, AND GAS for rating information. -
Page 20: Electrical Power
Installer’s Guide Electrical Power Refer to Table 6 for recommended wire sizes and lengths for install- ing the unit thermostat. The total resistance of these low voltage It is important that proper electrical power be available for the unit. wires must not exceed one (1) ohm. Any resistance in excess of 1 Voltage variation should remain within the limits stamped on the ohm may cause the control to malfunction because of the exces- unit nameplate. -
Page 21: Field Wiring Diagram
Installer’s Guide UNIT CONTROL BOX COMMON (GR) COMPRESSOR HEAT FIRST STAGE (WH) HEAT SECOND STAGE (WH) GROUND WIRE 1 PH POWER 3 PH POWER UNIT NOTE 1 COMMON (GR) COMPRESSOR (GR) HEAT FIRST STAGE (WH) (WH) HEAT SECOND STAGE (WH) (WH) C 757192i2 Figure 22. -
Page 22: Thermostat Heat Anticipator
Installer’s Guide Thermostat Heat Anticipator NOTE: Do not use the PRESSURE CURVES from the unit's SER- VICE FACTS to determine the unit refrigerant charge. The correct Set the heat anticipator of the thermostat to equal the amperage charge is shown on the unit nameplate. To charge the system draw of the gas valve accurately, weigh in the charge according to the unit nameplate IMPORTANT: Upon completion of wiring, check all electrical... -
Page 23: Final Installation Checklist
Installer’s Guide 1. Check to make sure all grilles and registers are open and all unit access doors are closed before start-up. 2. Purge the gas supply line of air by opening the union ahead of the unit. When the odor of gas is detected, retighten the union and wait five (5) minutes before proceeding. -
Page 24: Sequence Of Operation
Installer’s Guide Sequence of Operation Safety Sequences This product is equipped with safety devices to protect against Operation of the unit heating or cooling cycles is controlled by the abnormal conditions. setting of the comfort control. Once the comfort control is set to The temperature limit switch (TCO) is located on the blower either HEAT or COOL, unit operation is automatic. -
Page 25: Maintenance
Installer’s Guide Maintenance Heating Season Complete the following unit inspections and service routines Owner Maintenance described at the beginning of each heating season. Visually inspect the unit to ensure that the airflow required ● WARNING for combustion and condenser coil is not obstructed from the unit. -
Page 26: Flue Hood And Combustion Blower Cleaning
Installer’s Guide Flue Hood and Combustion Blower Cleaning ECM Fan Motor Adjustments If the airflow needs to be increased or decreased, see the CAUTION Airflow Table in the SERVICE FACTS. Information on chang- ing the speed of the blower motor is in the Blower Performance Never use combustible cleaning fluids on any part of the Table. -
Page 27: Status Leds
Installer’s Guide Status LEDs IGN Board Diagnostic Codes There are two LEDs on the IGN board that provide status and diagnostic information. Refer to Table 7 for a description of the LED codes. Table 7. IGN LED Diagnostic Indicators IGN Diagnostic Indicators Flash Codes Status LED Liteport LED System Lockout: Failed to detect or... - Page 28 About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com The AHRI Certified mark indicates company participation in the AHRI Certification program. For verification of individual certified products, go to ahridirectory.org.