Table Of Contents - Fujitsu F1T Series Installation Instructions Manual

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TABLE OF CONTENTS

1.0 SAFETY INFORMATION . ............................................................................. 3
2.0 GENERAL INFORMATION . .......................................................................... 5
2.1 Important Information About Efficiency & Indoor Air-Quality ............... 5
2.2 Checking Product Received .................................................................... 5
2.3 Model Number Nomenclature ............................................................... 6
2.4 Available Models .................................................................................... 6
2.5 Dimensions & Weights ........................................................................... 7
2.6 Importance of Proper Indoor/Outdoor Match-Ups . ............................... 8
2.7 Importance of a Quality Installation ....................................................... 8
3.0 INSTALLATION .......................................................................................... 8
3.1 Tools & Refrigerant . ................................................................................ 8
3.1.1 Tools Required for Installing & Servicing R-410A Models ........... 8
3.1.2 Specifications of R-410A . ............................................................. 8
3.1.3 Quick Reference Guide for R-410A . ............................................. 9
3.2 Applications ............................................................................................ 9
3.2.1 Mounting Options ....................................................................... 9
3.2.1.1 Wall Mount . .................................................................... 9
3.2.1.2 Frame Mount . ................................................................. 9
3.2.1.3 Front Return Air . ........................................................... 10
3.2.1.4 Bottom Return Air ........................................................ 10
3.2.2 R-22 Air-Handler Replacements ................................................ 10
3.2.3 Installation in an Unconditioned Space . .................................... 10
3.2.4 Installation in Corrosive Environments ..................................... 11
3.3 Auxiliary Overflow Pan ......................................................................... 12
3.4 Drain Pan Overflow Switch ................................................................... 12
3.5 Clearances ............................................................................................ 12
3.6 Ductwork .............................................................................................. 13
3.7 Return Air Filter .................................................................................... 13
3.8 Orifice Size: (-)F1P*****P Models . ....................................................... 14
3.9 Refrigerant Line Connections & Charging . ............................................ 14
3.9.1 Preparation . ............................................................................... 14
3.9.2 Liquid Line Filter Drier ............................................................... 14
3.9.3 Brazing . ...................................................................................... 14
3.9.4 Leak Testing . .............................................................................. 15
3.9.5 Evacuation . ................................................................................ 15
3.9.6 Refrigerant Charging ................................................................. 15
3.10 Condensate Drain ................................................................................. 15
3.11 Thermostat ........................................................................................... 16
3.12 Electrical Wiring . ................................................................................... 16
3.12.1 Configuring Unit for 208 Volt Power ......................................... 16
3.12.2 Grounding . ................................................................................. 17
3.12.3 Power Wiring . ............................................................................ 17
3.12.4 Copper Wire Size ....................................................................... 17
3.12.5 Electrical Data - Blower Motor Only - Without Electric Heat . .. 18
3.12.6 Electrical Data - With Electric Heat . .......................................... 18
3.12.7 Electric Heater Kit Supplemental Information .......................... 19
3.12.8 Control Wiring ........................................................................... 20
3.12.9 Thermostat & Control Wiring Connections ............................... 20
3.13 Air-Flow ................................................................................................ 20
3.13.1 General Air-Flow Operating Limits ............................................ 20
3.13.2 Selecting Indoor Blower Motor Speed ...................................... 21
3.13.2.1 (-)F1P (PSC Motor) ...................................................... 21
3.13.2.2 (-)F1T (Constant Torque ECM Motor) ......................... 21
3.13.3 Air-Flow Performance Data ....................................................... 22
3.13.3.1 (-)F1P (PSC Motor) ...................................................... 22
3.13.3.2 (-)F1T (Constant Torque ECM Motor) ......................... 23
4.0 START-UP . ............................................................................................... 24
4.1 Pre-Start Checklist ................................................................................ 24
4.2 System Start-Up & Operational Check-Out .......................................... 24
4.3 Sequence of Operation . ........................................................................ 24
4.3.1 Cooling Heat Mode . ................................................................... 24
4.3.2 Electric Heat Mode . ................................................................... 24
4.3.3 Heat Pump Heating Mode . ........................................................ 25
4.3.4 Supplemental Heating During Defrost ...................................... 25
4.3.5 Emergency Heat (Heat Pump) ................................................... 25
4.3.6 Thermostat Fan Setting ............................................................. 25
4.4 Correcting Electric Heat kW for Voltage . .............................................. 25
4.5 Calculating Electric Heat Capacity in BTUH . .......................................... 25
4.6 Checking Indoor Air-Flow ..................................................................... 26
4.6.1 Estimating CFM Using External Static Pressure . ........................ 26
4.6.2 Estimating CFM Using Electric Heat Temperature Rise . ............ 26
4.7 Checking Refrigerant Charge/Charging Charts ..................................... 26