Trane 4DCZ6036 Installer's Manual

Trane 4DCZ6036 Installer's Manual

Single packaged dual fuel 16 seer convertible, 3 - 5 ton, 60 - 115 kbtu r-410a
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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 this Installer's Guide to service information pack and give to the homeowner
upon completion of work.
!
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 Dual Fuel 16 SEER
Convertible, 3 - 5 Ton, 60 - 115 KBTU
R-410A
4DCZ6036 through 4DCZ6060
WARNING
WARNING
HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCHARGE
18-BG04D1-12A-EN
!
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 in-
formation 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
WARNING
WARNING
WARNING

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Summary of Contents for Trane 4DCZ6036

  • Page 1 ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT — This Document is customer property. Please return this Installer's Guide to service information pack and give to the homeowner upon completion of work. 4DCZ6036 through 4DCZ6060 WARNING WARNING!
  • 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

    4. If this unit is being installed on a curb, verify that the correct Final Installation Checklist curb is provided with the unit. Sequence of Operation • Maintenance 4DCZ6036 uses model BAYCURB050A. Owner Maintenance • 4DCZ6048 and 4DCZ6060 use model BAYCURB051A. Filters Service Maintenance 5.
  • Page 4: Step 2-Determine Unit Clearances

    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. 4DCZ6036 (1 of 3) Page 4...
  • Page 5 Installer’s Guide Figure 2. 4DCZ6036 (2 of 3) Page 5...
  • Page 6 Installer’s Guide Figure 3. 4DCZ6036 (3 of 3) Page 6...
  • Page 7 Installer’s Guide Figure 4. 4DCZ6048 through 4DCZ6060 (1 of 3) Page 7...
  • Page 8 Installer’s Guide Figure 5. 4DCZ6048 through 4DCZ6060 (2 of 3) Page 8...
  • Page 9 Installer’s Guide Figure 6. 4DCZ6048 through 4DCZ6060 (3 of 3) Page 9...
  • 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

    Clearance of the unit must be given careful consideration. See are two curbs depending on the unit cabinet sizes: • Figures 1 to 6, pages 4-9. 4DCZ6036 uses model BAYCURB050A. • 4DCZ6048 through 4DCZ6060 use model BAYCURB051A. NOTE: Any reduction of the unit clearances indicated in these illustrations may result in condenser coil starvation or the 2.
  • Page 12: Lifting And Rigging

    Installer’s Guide Figure 8. Converting Horizontal to Down Airflow Lifting and Rigging IMPORTANT: The unit must be lowered into position. The P.V.C. rubber tape on the curb flange permits the unit to be repositioned WARNING if required without destroying the P.V.C. rubber seal affixed to the mounting curb.
  • 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, 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 Channel Iron Center Support Angle Iron Frame (Center Support required on all...
  • 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: Manifold Pressure

    Installer’s Guide 7. Changes can be made by adjusting the manifold pressure. 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 a. Attach a manifold pressure gauge. pressure at the tapped shut-off cock. The pressure reading b. Remove the slot screw on top of the gas valve for 1st stage should not exceed 14 inches water column.
  • Page 19: High Altitude Installation

    Figure 21 should be the only UNIT RESISTANCE SIZE (Sq Ft) one considered. ("W.C.) Over Current Protection 4DCZ6036 1200 4.00 0.08 The branch circuit feeding the unit must be protected as shown on 4DCZ6048 1600 5.33...
  • Page 20: Control Wiring (Class Ii)

    Installer’s Guide Thermostat Operation of the unit heating and cooling cycles is automatic when the system is set to HEAT or COOL (the optional automatic change- Contactor over thermostat, when set to AUTO, automatically changes to heat or cool with an appropriate room temperature change). The fan can be set to ON, causing continuous evaporator (indoor) fan operation at constant circulation - approximately 40 - 50% of nominal airflow at selected dipswitch settings or set to AUTO causing fan opera-...
  • Page 21 Installer’s Guide locked out. As in the restricted mode, the gas heat will act as supplementary heat during the unit’s defrost cycle. See the Field Wiring Diagram, for field wiring instructions. IMPORTANT: Upon completion of wiring, check all electrical connections, including factory wiring within the unit. Make sure all connections are tight.
  • Page 22: Field Wiring Diagram

    Installer’s Guide 4DCZ6 FIELD WIRING DIAGRAM Y2 (YL/RD) 2ND STAGE COMPRESSOR 1ST STAGE COMPRESSOR (CONSTANT CIRCULATION) Figure 22. 4DCZ6 Field Wiring Diagram Page 22...
  • Page 23: Step 5-Unit Startup

    Installer’s Guide Step 5—Unit Startup length of the supply line from the main disconnect to the unit. The line may be undersized for the length of the run. Pre-Start Quick Checklist Cooling Shut Down Is the unit properly located and level with the proper ...
  • Page 24: Starting The Unit In Gas Heating Mode

    Installer’s Guide b. The pressure switch is closed. 4. If the temperature rise noted is outside of the specified limits, adjust the indoor airflow to cause the temperature rise of the c. The gas valve opens and the ignitor lights the burner. heat exchanger to fall within the required range.
  • Page 25 Installer’s Guide NOTE: The *CONT402 may transition from gas heating to commutated motor control (ECMC). (G) provides power to the heat pump heating and then back to gas heating instead of just (ECMC) for low speed (ECM) indoor fan motor operation. cycling the gas heat on and off if the building load is relatively The energized compressor contactor (CC) completes the circuit low (see the Transitioning from low fire gas heating to heat...
  • Page 26 Installer’s Guide *CONT802 and *CONT803 Operational Differences Safety Sequences from the above sequence: This product is equipped with the following devices. NOTE: Unlike the *CONT402, these two controls will not call The temperature limit switch (TCO) is located on the blower for the furnace to operate when the outdoor temperature is barrier, and can be accessed through the blower compartment.
  • Page 27: Maintenance

    Installer’s Guide Service Maintenance Cooling Cycle: Thermostate call for cooling (2-stage thermostat) Service maintenance should be performed by qualified service personnel. Call for 1st stage cooling only: With the room thermostat set to COOL and the fan set to AUTO, power is supplied from the room thermostat "O"...
  • Page 28: Ecm Fan Motor Adjustments

    6 Flashes Flame Rollout Switch open 7 Flashes Thermostat miswired; W1 & W2 Fast Flash Rate: The LED will flash on for 1/4 second, and off for 1/4 second Slow Flash Rate: The LED will flash on for 3/4 second, then off for 1/4 second. The pause between groups of fast flashes is 3 seconds. 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...

This manual is also suitable for:

4dcz60604dcz6048

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