Trane 5PXCA001AS3HAA Installer's Manual

Trane 5PXCA001AS3HAA Installer's Manual

Cased aluminum coils "dedicated upflow / downflow"

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Installer's Guide
Cased Aluminum Coils "Dedicated Upflow / Downflow"
Upflow / Downflow models:
5PXCA001AS3HAA
5PXCB006AS3HAA
5PXCA002AS3HAA
5PXCC007AS3HAA
5PXCB003AS3HAA
5PXCD008AS3HAA
5PXCB004AS3HAA
5PXCC009AS3HAA
5PXCC005AS3HAA
5PXCD010AS3HAA
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack
upon completion of work.
IMPORTANT — These instructions do not cover all variations in systems nor provide for every possible contingency to be met in
connection with the installation. Should further information be desired or should particular problems arise which are not covered
sufficiently for the purchaser's purposes, the matter should be referrred to your installing dealer or local dsitributor.
!
SAFETY WARNING
WARNING
Only qualified personnel should install and service the
equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning quipment can be
hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an
unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions
in the literatures and on the tags, stickers, and labels, and
that are attached to the equipment.
!
SAFETY HAZARD!
This coil shall only be connected to an outdoor unit
suitable for use with refrigerant R-454B.
!
SAFETY HAZARD!
This appliance is not to be used by persons (including
children) with reduced physical, sensory, or mental
capabilities, or lack of experience and knowledge,
unless they have been given supervision or instructions
concerning the use of appliance by a person
responsible for their safety.
!
RISK OF FIRE!
Flammable refrigerant used. To be repaired only by
trained service professional. Do not puncture refrigerant
tubing. Dispose of properly in accordance with federal
or local regulations.
!
PRESSURIZED REFRIGERANT!
Failure to follow this Warning could result in personal
injury.
System contains oil and refrigerant under high pressure.
Recover refrigerant to relieve pressure before opening
the system. Do not use non-approved refrigerants or
refrigerant substitutes or refrigerant additives.
WARNING
WARNING
WARNING
WARNING
Downflow only models:
5PXCBD03AS3HDA
5PXCBD04AS3HDA
5PXCCD05AS3HDA
5PXCBD06AS3HDA
HAZARDOUS VAPORS!
Failure to follow this caution could result in property
damage or personal injury. Equipment corrosion damage.
To prevent shortening its service life, the unit should not
be used during the finishing phases of construction or
remodeling. The low return air temperatures can lead to
the formation of condensate. Condensate in the presence
of chlorides and fluorides from paint, varnish, stains,
adhesives, cleaning compounds, and cement creates a
corrosive condition which may cause rapid deterioration
of the cabinet and internal components.
RISK OF FIRE!
Failure to following this warning could result in serious
injury, death, or property damage.
The following requirements apply to the room where the
cased coil is installed:
All combustion appliances located in the same room
that have continuous pilot lights are equipped with an
effective flame arrest.
Auxiliary devices which may be a potential ignition
source, such as hot surfaces or electric switching
devices, shall not be installed in the connecting ductwork
unless they have been approved by the manufacturer or
declared suitable with the refrigerant used.
All indoor field-made joints of the field piping have
been checked for refrigerant leaks after charging
using an electronic leak detector calibrated for R-454B
having a sensitivity of 5 grams per year or better.
The room is constructed to ensure that should any
refrigerant leak it will not stagnate and create a fire
hazard.
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
18-AD48D1-1A-EN
5PXCCD07AS3HDA
5PXCCD09AS3HDA
5PXCDD10AS3HDA
!
WARNING
!
WARNING
!
WARNING

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Summary of Contents for Trane 5PXCA001AS3HAA

  • Page 1 18-AD48D1-1A-EN Installer’s Guide Cased Aluminum Coils "Dedicated Upflow / Downflow" Upflow / Downflow models: Downflow only models: 5PXCA001AS3HAA 5PXCB006AS3HAA 5PXCBD03AS3HDA 5PXCCD07AS3HDA 5PXCA002AS3HAA 5PXCC007AS3HAA 5PXCBD04AS3HDA 5PXCCD09AS3HDA 5PXCB003AS3HAA 5PXCD008AS3HAA 5PXCCD05AS3HDA 5PXCDD10AS3HDA 5PXCB004AS3HAA 5PXCC009AS3HAA 5PXCBD06AS3HDA 5PXCC005AS3HAA 5PXCD010AS3HAA ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT —...
  • Page 2: Table Of Contents

    Note: Unit not to be used with oil drum type furnaces. Note: Both the drain pans and the refrigerant detection sensor installed on this unit are designed to be heat resistant to temperatures produced by all residential Trane and American Standard furnaces. TABLE OF CONTENTS General .................2...
  • Page 3 Installer’s Guide the equipment, so all parties are advised. • Work shall be undertaken under a controlled procedure to minimize the risk of a flammable gas or vapor being Initial safety checks shall include: present while the work is being performed. •...
  • Page 4 Installer’s Guide In addition, a set of calibrated weighing scales shall be The refrigerant charge shall be recovered into the correct available and in good working order. Hoses shall be complete recovery cylinders if venting is not allowed by local and national with leak free disconnect couplings and in good condition.
  • Page 5: Recommendation

    IMPORTANT: Only upflow/downflow coils may be installed in furnace and ductwork to the coil case using field the upflow position - supplied screws. See Figure 4. 5PXCA001AS3HAA, 5PXCA002AS3HAA, c. Seal for air leaks as required. 5PXCB003AS3HAA, 5PXCB004AS3HAA, 5PXCC005AS3HAA, 5PXCB006AS3HAA, 5PXCC007AS3HAA, 5PXCD008AS3HAA,...
  • Page 6: Furnace In Downflow Position

    Installer’s Guide F. FURNACE IN DOWNFLOW POSITION: DOWNFLOW COIL CONVERSION: a. Ensure the refrigerant sensor is attached to the primary pan per Figure 2. The sensor should face inward toward the coil and may be positioned anywhere of Start the front lip of the pan. Ensure the mounting bracket is here seated as far down on the pan as possible.
  • Page 7: Maximum And Minimum Airflow Settings

    H. PRESSURE DROP TABLE: PRESSURE DROP CHARACTERISTICS FOR COOLING AND HEAT PUMP COILS AIRFLOW (CFM) VS. PRESSURE DROP ACROSS WET COIL PRESSURE DROP (INCHES OF WATER COLUMN) Model 0.05 0.15 0.25 0.35 5PXCA001AS3HAA 5PXCA002AS3HAA 1085 1185 5PXCB003AS3HAA 1000 1095 1185 5PXCB004AS3HAA...
  • Page 8: Installing / Brazing Refrigerant Lines

    Installer’s Guide I. INSTALLING / BRAZING REFRIGERANT LINES: WARNING Capillary tubes will come RISK OF FIRE! out the top of bulb when Failure to following this warning could result in serious positioned correctly. injury, death, or property damage. The following requirements apply to the room where the cased coil is installed: •...
  • Page 9: Pressure Test

    Installer’s Guide PAINTED AREAS OF THE UNIT MUST BE SHIELDED J. PRESSURE TEST: DURING BRAZING. • Using dry nitrogen, pressurize the field piping and indoor coil Flow a small amount of nitrogen through the tubing while to the lower of the maximum operating pressures listed on the brazing.
  • Page 10: Condensate Drain Piping

    Installer’s Guide L. CONDENSATE DRAIN PIPING: M. CLEANING THE COIL: Condensate drain connections are located in the drain pan at The two piece door allows removal of the outer casing doors the bottom of the coil/enclosure assembly. The female threaded without interference from refrigerant or condensate lines.
  • Page 11: Refrigerant Leak Detection System

    Installer’s Guide N. REFRIGERANT LEAK DETECTION SYSTEM: WARNING For all tables contained in this section of the manual, the RISK OF FIRE! refrigerant charge is the total system charge which is marked Failure to following this warning could result in serious on the system according to the instructions provided by the injury, death, or property damage.
  • Page 12: Wiring

    Installer’s Guide O. WIRING: Check that the 24VAC harness is connected properly to the furnace, thermostat, and OD units. See field wiring diagrams The MCB must be wired to the furnace, thermostat, and in this guide for further information. outdoor unit in order for the Refrigerant Detection System to Wires bundled with "To Furnace"...
  • Page 13: Field Wiring Diagrams

    Installer’s Guide P: FIELD WIRING DIAGRAMS: 18-AD48D1-1A-EN...
  • Page 14 Installer’s Guide 18-AD48D1-1A-EN...
  • Page 15 Installer’s Guide 18-AD48D1-1A-EN...
  • Page 16: Verification And Troubleshooting Refrigerant Detection System

    Installer’s Guide Q. VERIFICATION AND TROUBLE SHOOTING REFRIGERANT DETECTION SYSTEM: Figure 15. Mitigation Control Board (MCB) Connections After installation, the installer must verify that the refrigerant leak detection system actuates all mitigating actions listed above. TEST PINS: Force Test: (See Figure 15) •...
  • Page 17: Control Box Relocation (Optional)

    Installer’s Guide Figure 16. Connect/Disconnect sensor harness Push Down Grey Tab Push and Pull Out Lock To Disconnect To Connect Proper Connection Table 1: MCB Diagnostic Codes Amber LED COMM Condition No Power/Off 24V Mode Active, Normal Operation Node Count Communication Mode is Active, Normal Operation Fast Blink CAN Communication lost...
  • Page 18: Outline Drawing

    Installer’s Guide S. OUTLINE DRAWING: 18-AD48D1-1A-EN...
  • Page 19 Installer’s Guide 18-AD48D1-1A-EN...
  • Page 20: Troubleshooting Indoor Txv / Cooling Mode

    Installer’s Guide T. TROUBLESHOOTING: Before starting, insure the blower wheel, indoor and outdoor Troubleshooting Indoor TXV / Cooling Mode coils are clean. Correct air Is sub cooling at the Is superheat Is air flow at least flow outdoor unit between <...
  • Page 21: Checkout Procedures

    Installer’s Guide U. CHECKOUT PROCEDURES: The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. • All wiring connections are tight and properly •...
  • Page 22 Installer’s Guide NOTES: 18-AD48D1-1A-EN...
  • Page 23 Installer’s Guide NOTES: 18-AD48D1-1A-EN...
  • Page 24 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 manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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