Carrier FE5B Installation Instructions Manual

FE5B
Communicating Fan Coil for Puron Advance™ (R-454B) Refrigerant
Sizes 24, 36, 48, 60
NOTE: Read the entire instruction manual before starting the
installation.

Table of Contents

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Check Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Mount Fan Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Modular Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Upflow Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Downflow Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Air Ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Duct Work Acoustical Treatment . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Line Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
24V Control System Connections to Unit Printed-Circuit Board . 7
Manufactured Housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Emergency Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ground Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Refrigerant Tubing Connection and Evacuation . . . . . . . . . . . . . . . . 8
Mechanical Line Set Connections . . . . . . . . . . . . . . . . . . . . . . . . . 9
Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Leak Dissipation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Leak Dissipation System Self-Test . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Unit Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Low-Voltage Circuit Fusing and Reference . . . . . . . . . . . . . . . . 12
Accessory Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Accessory Electric Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Hydronic Heat Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Outdoor Air Thermistor (OAT) . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electronic Air Cleaner Connections . . . . . . . . . . . . . . . . . . . . . . 13
Humidifier Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
System Shutdown Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Ventilation Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Start-Up and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LED Description: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Fan Coil Control Start-Up and System Communications Trouble-
shooting:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
ECM Motor Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Using Motor LED in Troubleshooting. . . . . . . . . . . . . . . . . . . . . 14
Fan Coil Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Emergency Heating and Cooling Modes . . . . . . . . . . . . . . . . . . . 16
Fan Coil Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Installation Instructions

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 kits or accessories
when installing.
Follow all safety codes. Wear safety glasses, protective clothing and
work gloves. Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in literature and
attached to the unit. Consult local building codes and the current editions
of the National Electrical Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical Code
CSA C22.1.
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instruction 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.
WARNING
!
PROPERTY OR PERSONAL INJURY
HAZARD
Risk of fire. Flammable refrigerant used.
To be repaired only by trained service personnel. Do
not puncture refrigerant tubing.
Auxiliary devices which may be ignition sources shall
not be installed in the ductwork, other than auxiliary devices listed for
use with the specific appliance. See instructions.
Dispose of refrigerant properly in accordance with federal or local
regulations.
Failure to follow proper R-454B mitigation system installation
instructions can result in property damage, personal injury, or death. If
any fault codes are listed, please troubleshoot to prevent system
malfunction.
. When