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Carrier FV4C User Manual

Carrier FV4C
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FV4C
002, 003, 005, 006
Installation Instructions
Fan Coil for Puronr Refrigerant
A02332
Fig. 1 -- Model FV4C
NOTE: Read the entire instruction manual before starting the
installation.
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 cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warning 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. When 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, CAUTION,andNOTE. 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.
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury
or death.
Before installing or servicing system, always turn off main
power to system. There may be more than one disconnect
switch. T a g disconnect switch with a suitable warning label.
Turn off accessory heater power if applicable.
!
WARNING
CUT HAZARD
Failure to follow this caution may result in personal injury .
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when
handling parts.
CAUTION
!
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Carrier FV4C Specifications

General IconGeneral
RefrigerantR-410A
Product TypeAir Conditioner
ModelFV4C
EfficiencyHigh
StagesVariable Speed
ConfigurationVertical or Horizontal
Warranty10-year parts limited warranty

Summary

Safety Considerations

Electrical Shock Hazard

Warning about potential electrical shock during installation or service.

Cut Hazard

Caution regarding sharp edges on sheet metal parts.

Installation Overview and Mounting

Check Equipment

Inspect unit for damage and verify it matches job specifications before installation.

Mount Fan Coil

Instructions for positioning and securing the fan coil unit.

Coil and Downflow Installation Procedures

Housing, Ducts, and Electrical Setup

Electrical Connections (Part 1)

Initial steps and warnings for electrical connections.

Low-Voltage Electrical System

24-V Control System Connections

Wiring the low-voltage control system to the unit's circuit board.

Advanced Electrical and Refrigerant Topics

Ground Connections

Requirements for proper electrical grounding of the unit.

Refrigerant Tubing Connection and Evacuation

Condensate Drain Management

Condensate Trap Requirements

Guidelines for installing proper condensate traps to prevent overflow.

Unit Start-Up and Configuration Basics

Easy Select Configuration Taps

Overview of configuration taps for system setup.

Easy Select Configuration Details

Troubleshooting ECM Motor and Controls

Motor Turns Slowly

Diagnosing issues when the motor runs slowly.

Motor Does Not Run

Steps to troubleshoot a fan coil motor that fails to start.

Check Control Signals

Procedure to check low-voltage control signals for motor operation.

Verify Motor Winding Section

Testing motor winding resistance to determine its functionality.

Quick Reference: Configuration Settings

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