Fujitsu F1T Series Manuals

Table of Contents

• • 2

    Table of Contents

• 3

  Safety Information

• 5

  General Information

  • 5

    Important Information About Efficiency & Indoor Air-Quality
  • 5

    Checking Product Received
  • 6

    Model Number Nomenclature
  • 6

    Available Models
  • 7

    Dimensions & Weights
  • 8

    Importance Of Proper Indoor/Outdoor Match-Ups
  • 8

    Importance Of A Quality Installation

• 8

  Installation

  • 8

    Tools & Refrigerant
    • 8

      Tools Required For Installing & Servicing R-410A Models
    • 8

      Specifications Of R-410A
    • 9

      Quick Reference Guide For R-410A
  • 9

    Applications
    • 9

      Mounting Options
      • 9

        Wall Mount
      • 9

        Frame Mount
      • 10

        Front Return Air
      • 10

        Bottom Return Air
    • 10

      Air-Handler Replacements
    • 10

      Installation In An Unconditioned Space
    • 11

      Installation In Corrosive Environments
  • 12

    Auxiliary Overflow Pan
  • 12

    Drain Pan Overflow Switch
  • 12

    Clearances
  • 13

    Ductwork
  • 13

    Return Air Filter
  • 14

    Orifice Size: (-)F1P*****P Models
  • 14

    Refrigerant Line Connections & Charging
    • 14

      Preparation
    • 14

      Liquid Line Filter Drier
    • 14

      Brazing
    • 15

      Leak Testing
    • 15

      Evacuation
    • 15

      Refrigerant Charging
  • 15

    Condensate Drain
  • 16

    Thermostat
  • 16

    Electrical Wiring
    • 16

      Configuring Unit For 208 Volt Power
    • 17

      Grounding
    • 17

      Power Wiring
    • 17

      Copper Wire Size
    • 18

      Electrical Data - Blower Motor Only - Without Electric Heat
    • 18

      Electrical Data - With Electric Heat
    • 19

      Electric Heater Kit Supplemental Information
    • 20

      Control Wiring
    • 20

      Thermostat & Control Wiring Connections
  • 20

    Air-Flow
    • 20

      General Air-Flow Operating Limits
    • 21

      Selecting Indoor Blower Motor Speed
      • 21

        F1P (Psc Motor)
      • 21

        F1T (Constant Torque Ecm Motor)
    • 22

      Air-Flow Performance Data
      • 22

        F1P (Psc Motor)
      • 23

        F1T (Constant Torque Ecm Motor)

• 24

  Start-Up

  • 24

    Pre-Start Checklist
  • 24

    System Start-Up & Operational Check-Out
  • 24

    Sequence Of Operation
    • 24

      Cooling Heat Mode
    • 24

      Electric Heat Mode
    • 25

      Heat Pump Heating Mode
    • 25

      Supplemental Heating During Defrost
    • 25

      Emergency Heat (Heat Pump)
    • 25

      Thermostat Fan Setting
  • 25

    Correcting Electric Heat Kw For Voltage
  • 25

    Calculating Electric Heat Capacity In Btuh
  • 26

    Checking Indoor Air-Flow
    • 26

      Estimating Cfm Using External Static Pressure
    • 26

      Estimating Cfm Using Electric Heat Temperature Rise
  • 26

    Checking Refrigerant Charge/Charging Charts

• 27

  Components & Controls

  • 27

    Blower Motor
  • 27

    Motor Run Capacitor
  • 27

    Blower Control
  • 28

    Blower
  • 28

    Transformer
  • 28

    Indoor Coil

• 29

  Accessories & Kits

  • 29

    Electric Resistance Heater Kits
  • 29

    Drain Pan Overflow Switch Kit
  • 30

    Bottom Return Conversion Kit
  • 30

    Louvered Cabinet Grille
  • 31

    Decorative Wall Grille

• 32

  Maintenance

  • 32

    Air-Filter
  • 32

    Indoor Coil, Drain Pan, Drain Line
  • 32

    Blower Motor & Wheel
  • 32

    Motor Lubrication
  • 32

    Blower Assembly, Motor, & Blower Wheel Removal & Replacement
    • 33

      Small Cabinet Blower Assembly Removal Procedure
    • 34

      Large Cabinet Blower Assembly Removal Procedure
    • 37

      Large Cabinet Blower Motor Only Removal Procedure
    • 39

      Motor Replacement
    • 39

      Blower Wheel Replacement
  • 39

    Replacement Parts

• 40

  Diagnostics

• 41

  Wiring Diagrams

  • 41

    F1P (3-5Kw Electric Heat)
  • 42

    F1P (8-10Kw Electric Heat)
  • 43

    F1T (3-5Kw Electric Heat)
  • 44

    F1T (8-10Kw Electric Heat)