Carrier EAM5X Installation Instructions Manual

Carrier EAM5X Installation Instructions Manual

Evaporator a-coil, cased, multipoise for r-454b refrigerant

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EAM5X, W5AM: Installation Instructions
EAM5X, W5AM
Evaporator A-Coil, Cased, Multipoise
for R-454B Refrigerant
IMPORTANT: This unit is to be used with R-454B refrigerant only. This system includes an internal sensor to detect any refrigerant leaks with an
external control board that must be connected to a furnace. This is only compatible with outdoor condensers that are R-454B certified.
NOTE: Read the entire instruction manual before starting the
installation.
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inspect Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Select Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation of Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Table 1 - Coil Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Upflow Coil Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Downflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Horizontal Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Refrigerant Line Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
TXV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Leak Dissipation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
24V Control System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 2 - Dissipation System Wiring Label . . . . . . . . . . . . . . . . . 8
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3 - Communication Plug Designations . . . . . . . . . . . . . . . . 9
Leak Dissipation System Installation. . . . . . . . . . . . . . . . . . . . . . . 9
Table 4 - Dissipation Board Test Button Functions . . . . . . . . . . . 9
Table 5 - Required Operational Checks to Ensure Proper Dissipation
System Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 6 - Required Minimum Dissipation Mode Airflows,
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Sequence of Events - Dissipation Mode . . . . . . . . . . . . . . . . . . 10
Flash Codes / Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 7 - Flash Code Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Unit Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance, or
use can cause explosion, fire, electrical shock or other conditions which
may cause death, personal injury or property damage. Consult a
qualified installer, service agency, or your distributor or branch for
information or assistance. The qualified installer or agency must use
factory-authorized kits or accessories when modifying this product.
Refer to the individual instructions packaged with the kits or accessories
when installing.
Follow all safety codes. Wear safety glasses, protective clothing and
work gloves. Use quenching cloths for brazing operations. Have fire
extinguisher available. Read these instructions thoroughly and follow all
warnings or cautions attached to the unit. Consult local building codes
and the current editions of the National Electrical Codes (NEC) NFPA
70.
In Canada, refer to the current editions of the Canadian Electrical Code
CSA C22.1.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Installation Instructions
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury.
Understand the signal words DANGER, WARNING and CAUTION.
These words are used with the safety-alert symbol. DANGER identifies
the most serious hazards which will result in severe personal injury or
death. WARNING signifies hazards which could result in personal
injury or death. CAUTION is used to identify unsafe practices, which
may result in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result in enhanced
installation, reliability, or operation.
1
WARNING
!
PROPERTY DAMAGE HAZARD - FURNACE/COIL
MATCHING
Failure to follow this warning could result in property damage, personal
injury, or death.
This coil must be matched to heating equipment that meets all
CSA/ANSI Z21.47 or cooling equipment that meets UL 60335-2-40.
Refer to the furnace/blower installation instructions for any potential
considerations when installing coils with composite drain pans.
CAUTION
!
PARTIAL UNIT REQUIREMENTS
Failure to follow this warning could result in equipment damage.
This family of evaporator coils are PARTIAL UNIT HEAT PUMP OR
AIR CONDITIONER, complying with PARTIAL UNIT requirements
of UL/CSA 60335-2-40 Standard, and must only be connected to other
units that have been confirmed as complying to corresponding
PARTIAL UNIT requirements of this UL/CSA 60335-2-40 Standard.
WARNING
!
PERSONAL INJURY / PROPERTY DAMAGE HAZARD
Failure to follow this warning could result in property damage, personal
injury, or death.
For continued performance, reliability, and safety, the only approved
accessories and replacement parts are those specified by the equipment
manufacturer. The use of non-manufacturer approved parts and
accessories could invalidate the equipment limited warranty and result
in fire risk, equipment malfunction, and failure. Please review
manufacturer's instructions and replacement part catalogs available
from your equipment supplier.
. When

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  • Page 1: Table Of Contents

    EAM5X, W5AM: Installation Instructions EAM5X, W5AM Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant Installation Instructions IMPORTANT: This unit is to be used with R-454B refrigerant only. This system includes an internal sensor to detect any refrigerant leaks with an external control board that must be connected to a furnace. This is only compatible with outdoor condensers that are R-454B certified.
  • Page 2: Introduction

    Refrigerant lines can reach or exceed 130 °F (54 °C). Avoid contact Use this instruction manual to install EAM5X or W5AM indoor coil on with the vapor header or vapor line, especially in Heating Mode. Do not multipoise furnaces. The coil is enclosed in a casing.
  • Page 3: Downflow Coil Installation

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions 1. Set coil in place on upflow furnace discharge air opening. See 2. Place field fabricated 4-in. minimum adapter on coil casing. Fig. 1 Fig. Adapter should be tapered to fit coil/furnace combination when one of them is larger than the other.
  • Page 4: Horizontal Coil Installation

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Horizontal Coil Installation The unit can be installed on a work platform, secured to roof truss in attic, suspended from hangers on floor joists in crawl space, or installed on blocks. It is designed to allow airflow in either direction, to mate with horizontal-left or horizontal-right furnace installations.
  • Page 5: Refrigerant Line Connections

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Refrigerant Line Connections CAUTION WARNING UNIT DAMAGE HAZARD PERSONAL INJURY HAZARD Failure to follow this caution may result in damage. Failure to follow this warning could result in personal injury. All aluminum tubing and coils must be adequately shielded from any Wear eye protection.
  • Page 6: Condensate Drain

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Metal Clamp ONLY UNIT Vapor Line 2” MIN PRIMARY DRAIN (51 mm) Sensing Bulb 2” MIN (51 mm) Sensing Bulb Indentation A03002A Fig. 12 – Recommended Condensate Trap Insulation Wire DO NOT USE SHALLOW RUNNING TRAPS! A03013 Fig.
  • Page 7: 24V Control System

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Product Data sheet for details on the communicating plug for any WARNING communicating system. PRODUCT OPERATION / INJURY HAZARD Failure to follow this warning could cause property damage or personal injury. Make sure the sensor is not exposed to significant amounts of dust/dirt contamination.
  • Page 8: Wiring Diagrams

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Table 2 – Dissipation System Wiring Label Color 1-Stage Label 2-Stage Label to Furnace SEC1 to Furnace SEC1 Grn/Vio to Furnace G to Furnace G White to TSTAT W to TSTAT W1 Yel/Vio to OD unit Y to OD unit Y1...
  • Page 9: Leak Dissipation System Installation

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions Leak Dissipation System Installation WARNING PERSONAL INJURY HAZARD Failure to follow this warning could result in property damage, personal injury, or death. Operational checks to confirm proper dissipation system function must be performed prior to normal operation of the system.
  • Page 10: Based On Total System Refrigerant Charge Quantity

    Evaporator A-Coil, Cased, Multipoise for R-454B Refrigerant: Installation Instructions No power Table 5 – Required Operational Checks to Ensure Proper Dissipation System Function Verify the wiring to/from pins 1 and 8 on the power harness plug. Check the 24V system wiring from the transformer. Normal Operation Flashing 1 Electric/Gas...
  • Page 11: Care And Maintenance

    Failure to follow this caution may result in environmental damage. Remove and recycle all components or materials (i.e., oil, refrigerant, etc.) before unit final disposal. © 2024 Carrier. All rights reserved. Edition Date: 2/24 Catalog No: IM-EAM5X-W5AM-01 A Carrier Company Replaces: New Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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