Table of Contents
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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.
4YCZ6024 through 4YCZ6060
!
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 16 SEER
Convertible, 2 - 5 Ton, 60 - 115 KBTU
R-410A
WARNING
WARNING
HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCHARGE
!
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 technician's 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
18-EB28D1-11-EN
WARNING
WARNING
WARNING
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Related Manuals for Trane 4YCZ6024
Summary of Contents for Trane 4YCZ6024
- 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 4YCZ6024 through 4YCZ6060 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. CAUTION 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. • 4YCZ6024 & 6036 use model BAYCURB050. • 4YCZ6048 & 6060 use model BAYCURB051. 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. DWG NO. D673947G01_REVC Figure 1. 4YCZ6024, 6036 (1 of 3) Page 4... - Page 5 Installer’s Guide Figure 2. 4YCZ6024, 6036 (2 of 3) Page 5...
- Page 6 Installer’s Guide 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. 4YCZ6024, 6036 (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. 4YCZ6048 through 4YCZ6060 (1 of 3) Page 7...
- Page 8 Installer’s Guide Figure 5. 4YCZ6048 through 4YCZ6060 (2 of 3) Page 8...
- Page 9 Installer’s Guide Figure 6. 4YCZ6048 through 4YCZ6060 (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. • 4YCZ6024-036 uses model BAYCURB050A. Clearance of the unit must be given careful consideration. See • 4YCZ6048 through 4YCZ6060 use model BAYCURB051A. -
Page 12: Lifting And Rigging
Installer’s Guide Figure 8. Converting Horizontal to Down Airflow Lifting and Rigging IMPORTANT: To prevent damage to the sides and top of the unit when hoisting, retain the top shipping skid on the unit or WARNING use “spreader bars” as shown on page 14. Improper Unit Lift! IMPORTANT: The unit must be lowered into position. -
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. - Page 14 Installer’s Guide IMPORTANT: To prevent damage to the sides and top of the unit when hoisting, retain the top shipping skid Base of unit on the unit or use “spreader bars” as Drip lip on rest on top of perimeter of shown in these illustrations.
- 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 Channel Iron Center Support Angle Iron Frame (Center Support required on all...
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Page 16: Ductwork Installation
Installer’s Guide Ductwork Installation Attaching Downflow Ductwork to Roof Curb UNIT EXTERIOR Supply and return air flanges are provided on the BAYCURB050 WEATHERPROOF and BAYCURB051 model roof curbs for easy duct installation. All THIS SEAM ductwork must be run and attached to the curb before the unit is FIELD DUCT set into place. -
Page 17: Pipe Delivery Schedule (Natural Gas Only)
Installer’s Guide IMPORTANT: Before making the gas pipe connection give serious consideration to providing the clearance necessary to remove the Gas Pressure Set-up Precautions access panels on the unit (e.g., economizer and filter access panels). IMPORTANT: Do not connect gas piping to the unit until a line NOTE: In the absence of local codes, the installation must con- pressure test has been completed. -
Page 18: Verify Manifold Pressure
Installer’s Guide a. Attach a manifold pressure gauge. 4. Before connecting the piping circuit to the unit, bleed the air from the supply line and then cap or plug the line and test the b. Remove the slot screw on top of the gas valve for 1st stage pressure at the tapped shut-off cock. -
Page 19: High Altitude Installation
RESISTANCE ity and within sight of the unit. If disconnect must be mounted (Sq. Ft.) ("W.C.") to the cabinet, the location shown in Figure 21 should be the only one considered. 4YCZ6024 2.67 0.08 Over Current Protection 1200 4YCZ6036 0.08... -
Page 20: Control Wiring (Class Ii)
Installer’s Guide Thermostat Heat Anticipator Set the heat anticipator of the thermostat to equal the amperage draw of the gas valve Contactor IMPORTANT: Upon completion of wiring, check all electrical con- nections, including factory wiring within the unit. Make sure all connections are tight. Replace and secure all electri- cal box covers and access panels before leaving the unit or turning on the power to the unit. -
Page 21: Field Wiring Diagram
Installer’s Guide NOTE: For economizer wiring instructions, see the Installer's Guide that came with your economizer. Figure 22. 4YCZ6 Field Wiring Diagram Page 21... -
Page 22: Starting The Unit In The Cooling Mode
Installer’s Guide Starting the Unit in the Cooling Mode that is specified on the unit nameplate. To start the unit in the cooling mode, set the thermostat system switch NOTE: For manifold pressures and orifice sizes for gas with to COOL and move the thermostat COOL indicator to a setting below other BTU ratings, contact the local gas utility. -
Page 23: 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 and cooling cycles is automatic when abnormal conditions. the system is set to HEAT or COOL (the optional automatic change- The temperature limit switch (TCO) is located on the blower barrier, over thermostat, when set to AUTO, automatically changes to heat and can be accessed through the blower compartment. -
Page 24: Maintenance
Installer’s Guide Maintenance ECM Fan Motor Adjustments If the airflow needs to be increased or decreased, see the Airflow Table in the SERVICE FACTS. Information on chang- Owner Maintenance ing the speed of the blower motor is in the Blower Performance WARNING Table. -
Page 25: Service Maintenance
Installer’s Guide Service Maintenance Manifold Pressure Check and Adjust Service maintenance should be performed by qualified service 1. Connect a manometer to the pressure tap at the outlet side personnel. of the unit’s gas valve (remove the Control/Heat access panel). Read the manifold pressure with the burners firing. Cooling Season See Figure 16 on page 17 for gas valve connections. -
Page 26: 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 8 for a description of the LED codes. Table 8. IGN LED Diagnostic Indicators IGN Diagnostic Indicators Flash Codes Status LED Liteport LED System Lockout: Failed to detect or... - Page 27 Installer’s Guide Page 27...
- Page 28 Installer’s Guide 09/18 Trane 6200 Troup Highway The manufacturer has a policy of continuous product and product data improvement, and it reserves the right to change design and specification without notice. Tyler, TX 75707-9010 © 2017 Trane Page 28...
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Questions and answers
The igniter turns on for about 5 seconds, but the burner does not turn on all the time. The unit tries for 3 times (blower turns on) , then locks out. The heating unit works sporadically. Where is the problem, control board?