EasyManua.ls Logo

Carrier 48FC 06 - User Manual

Carrier 48FC 06
144 pages
Save Page as PDF
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
1
Controls, Start-- Up, Operation
and Troubleshooting
48/50FC 04---07, 48/50GC 04---06
Single P ackage Rooft op Units
with SystemV u™ Controls Version 1.X
and Puronr (R---410A) Refr ig er ant
C150173
IMPORTANT: This literature covers 48/50FC 04--07 and 48/50GC 04--06 models with SystemVu controls version 1.X (factory--installed
option).
TABLE OF CONTENTS
Page
SAFETY CONSIDERATIONS 2.........................
GENERAL 3.........................................
Conventions Used in This Manual 3......................
BASIC CONTROL USAGE 3...........................
SystemVu Control (factory --installed option) 3..............
SystemVu Interface 3.................................
Accessory Navigatort Display 4........................
System Pilott andTouchPilott Devices 5................
CCN Tables and Display 5.............................
START -- UP 6.........................................
Unit Preparation 6....................................
Refrigerant Service Ports 6.............................
Crankcase Heater 6...................................
Compressor Rotation 6................................
Power Supply 6.....................................
Internal Wiring 6.....................................
Evaporator Fan 6....................................
Condenser Fans and Motors 6...........................
Return--Air Filters 8..................................
Outdoor--Air Inlet Screens 8............................
Accessory Installation 8...............................
Gas Heat (48FC and 48GC) 8...........................
CONTROLS QUICK SET-- UP 8.........................
Control Set Point and Confirmation Log 8.................
Initial Startup 8......................................
Thermostat Control 9.................................
Space T emperature Sensor Control -- Direct Wired
(T--55 or T--56 or T--59) 9.............................
Space Humidistat Control 9............................
Space Relative Humidity Sensor Control 9.................
CCN Communication 9...............................
CCN Linkage Control 9...............................

Table of Contents

Questions and Answers

  • R
    Richard McclureSep 23, 2025
    What does Alert A110 mean on my Carrier Air Conditioner?
    • J
      Joseph RodriguezSep 23, 2025
      Alert A110 on your Carrier Air Conditioner indicates that the SPT sensor is out of range. This is usually due to a faulty thermistor or an incorrect thermistor caused by improper ohm reading. When this alert is active, cooling and heating will not operate.
  • M
    Mr. Johnny Brown MDAug 23, 2025
    What does Fault F010 mean on my Carrier Air Conditioner?
    • A
      Ashley CochranAug 23, 2025
      Fault F010 on your Carrier Air Conditioner indicates a low voltage issue, possibly due to a brownout, low supply voltage, or a missing phase in the supply power. The control system will shut down the unit, but it should automatically clear once the supply voltage rises above 19 volts AC.
  • S
    Stephanie WhiteAug 25, 2025
    What does Fault F011 mean on my Carrier 48FC 06 Air Conditioner?
    • H
      heather63Aug 25, 2025
      Fault F011 indicates that the MBB reference voltage is out of range, usually due to an MBB failure or the supply voltage being out of range. The control system will shut down the unit. This fault should automatically clear when the DC reference voltage returns to its normal range.
  • B
    Billy WilliamsAug 26, 2025
    What does Alert A012 mean on my Carrier Air Conditioner?
    • L
      Linda MillsAug 27, 2025
      Alert A012 on your Carrier Air Conditioner signals an MBB zero crossing issue, often caused by an MBB failure or the supply voltage frequency being too high or too low. The alert should automatically clear once the supply voltage returns to the normal range.
  • A
    Adam EvansAug 27, 2025
    What does Fault F013 mean on my Carrier 48FC 06?
    • L
      lisafisherAug 28, 2025
      Fault F013 on your Carrier Air Conditioner indicates that MBB Fuse 2 is open, typically due to a wiring error in a switch input or the switch pulling too much current. The control will shut down the unit, but the fault should automatically clear when the fuse temperature returns to normal.
  • B
    beckstacySep 18, 2025
    What does Alert A107 mean on my Carrier Air Conditioner?
    • T
      theodore73Sep 18, 2025
      Alert A107 on your Carrier Air Conditioner indicates that the RAT sensor is out of range. This is usually due to a faulty thermistor, a shorted or open thermistor caused by a wiring error, or a loose connection. When this alert is active, no differential dry bulb crossover control can occur.
  • L
    Lori RamirezSep 15, 2025
    What does Alert A105 mean on my Carrier 48FC 06?
    • D
      Dr. Austin HarrisonSep 15, 2025
      Alert A105 on your Carrier Air Conditioner indicates an open OAT sensor, generally caused by a faulty thermistor or an open thermistor due to a wiring error, or a loose connection. When this alert appears, the economizer will not operate for cooling.
  • D
    Daniel JonesSep 16, 2025
    What does Alert A106 mean on my Carrier 48FC 06 Air Conditioner?
    • H
      Heather DiazSep 16, 2025
      Alert A106 on your Carrier Air Conditioner indicates a shorted OAT sensor, which is typically caused by a faulty thermistor or a shorted thermistor due to a wiring error, or a loose connection. If this alert is active, the economizer will not operate to provide cooling.
  • J
    jmartinezSep 6, 2025
    What does Fault F020 mean on my Carrier Air Conditioner?
    • K
      kweeksSep 7, 2025
      Fault F020 on your Carrier Air Conditioner indicates a software error, meaning the software on the MBB is not responding. Recovery is automatic if the software can reset the board. If not, try cycling the power to the control before considering board replacement.
  • J
    Jay TurnerSep 4, 2025
    What does Fault F018 mean on my Carrier 48FC 06 Air Conditioner?
    • B
      Brandi RyanSep 4, 2025
      Fault F018 on your Carrier Air Conditioner indicates an MBB EEPROM failure, meaning the serial EEPROM chip on the MBB, which stores the unit’s configuration, is not responding. Recovery is automatic, but you might need to replace the MBB board. Before replacing the board, try cycling the power to the control.

Carrier 48FC 06 Specifications

General IconGeneral
BrandCarrier
Model48FC 06
CategoryAir Conditioner
LanguageEnglish

Related product manuals