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Fujitsu Halcyon HFI User Manual

Fujitsu Halcyon HFI
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Copyright © Fujitsu General America, Inc.
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Quick Installation Guide
for Halcyon HFI Systems
Checklist
AOU48RLXFZ Outdoor Condensing Unit
Separation Tube Assemblies
– when using more than one branch box
Branch boxes
– primary used for 1-3 indoor units
– secondary used when installing more than 3 units
Correctly sized line sets (both lines insulated separately)
2 to 8 Indoor units Halcyon HFI type (RLF)
Pipe, wire, fittings, and mounting hardware
R410a adaptor(s) Part# K9R410A55
Nitrogen & regulator to purge lines
Vacuum pump, micron gauge and torque wrench
Normal tools for mini-split installation
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This is a quick installation guide not intended to
replace the actual installation manual. For
complete instructions follow the installation manual
that is included with each piece of equipment.
Don’t take shortcuts and Don’t follow any “rule
of thumb”
Always follow Local, State & Federal codes during
installation
Don’t connect power to the equipment until you are
ready to start and test.
Adhere to all safety and installation warnings on
the installation instructions for this equipment.
Long piping can limit capacity. Please refer to the
Design & Technical Manual for details.
Things to Note
Use this Quick Installation Guide to install Halcyon HFI Systems. Use the Installation Manual
provided in the box only where this Guide asks you to refer to it for more information.
To download the newest full Installation Manual, go to http://portal.fujitsugeneral.com.
This is an Installation Guide and is not a replacement for proper system design.  Please
refer to the Design & Technical Manual for complete design limitations and capacity tables.
Question and Answer IconNeed help?

Do you have a question about the Fujitsu Halcyon HFI and is the answer not in the manual?

Fujitsu Halcyon HFI Specifications

General IconGeneral
TypeMini-Split
Indoor Unit DimensionsVaries by model
Outdoor Unit DimensionsVaries by model
Indoor Unit WeightVaries by model
Outdoor Unit WeightVaries by model
Sound Level (dB)19 - 56
RefrigerantR410A
Indoor Noise LevelAs low as 19 dB
Power Supply208/230V, 1-phase

Summary

Checklist

Things to Note

Branch Boxes

When Installing Branch Boxes

Recommendations for installing branch boxes, including tightening flare caps on unused circuits.

Unit Placement

Placement Options and Clearances

Guidance on outdoor unit positioning and required clearances, referring to the installation manual for details.

Branch Boxes: Special Precautions

Electrical Safety Warning

Critical safety advice regarding electrical wiring and qualified personnel to prevent severe injury or death.

Knock Out Holes

Description of knock out hole locations provided for wiring on the unit.

Basic Wiring Overview

Power On Warning

Warning against applying power before system completion, full evacuation, and refrigerant charging.

Outdoor Unit Electrical Requirements

Details on outdoor unit electrical specifications, including cable size and breaker requirements.

Capacity Information

Minimum and maximum connected capacity details for the system.

Installation Caution

Advice on using specific breakers (GFEB) in high humidity locations to prevent malfunctioning.

Piping Restrictions

Separation Tube Assembly Kit

Instructions and diagram for the separation tube assembly kit, noting positioning requirements.

Refrigerant Pipe Sizes

Pipe Size Specifications

Table detailing refrigerant pipe sizes and required adaptors based on unit capacity.

Separation Tube Assembly

Positioning Guidelines

Rules for vertical and horizontal positioning of separation tubes, allowing only minor tilt.

Pipe Length

Minimum Allowable Pipe Lengths

Specifies the minimum required pipe lengths for system connections.

Maximum Allowable Pipe Lengths

Details maximum allowable pipe lengths for various configurations, including total and per unit limits.

Pipe Limitation Table

A table summarizing pipe length limitations between different components.

Elevation

Maximum Allowable Height Difference

Defines maximum allowable height differences between the outdoor unit, branch boxes, and indoor units.

Elevation Table

Table outlining elevation difference limits for various component connections.

Flaring

Flaring Procedure

Detailed steps for performing pipe flaring, including cutting, deburring, and using a flare tool.

Flaring Dimensions

Table showing dimensions for R410A flare tool based on pipe diameter.

Pipe Size Torque

Tightening Torque Specifications

Chart for flare nut tightening torque values in lbf and N·m for different pipe sizes.

Insulation

Pipe Insulation Requirements

Guidance on insulating refrigerant pipes and connections separately using heat insulation.

Refrigerant Pipe - Example Layout

Layout Diagram

Diagram showing a typical pipe layout for a system with multiple indoor units connected via branch boxes.

Equivalent Pipe Length

Onsite Bend Calculation

Explains how to calculate equivalent pipe length for bends tighter than 6 inches radius.

Calculation Example

Demonstrates the calculation of equivalent pipe length by adding bend contributions to actual pipe length.

Branch Box Layout

Mounting Options

Options for mounting branch boxes from the ceiling or on the wall, and control box placement.

Installation Precautions

Important notes on branch box installation, drainage, electrical safety, and environmental limits.

Branch Box Installation

Securing the Branch Box

Instructions on using threaded rods and ensuring the branch box is level within ±5°.

Pipe Connection Labeling

Guidance on labeling refrigerant pipes (liquid and gas) for correct connection to indoor units.

Leak Test

Leak Test Procedure

Steps for performing a leak test using nitrogen, soap bubbles, and a 24-hour pressure test.

Vacuum Pump Oil

Recommendation to replace vacuum pump oil before use for optimal performance.

Evacuate & Charge

Evacuation Procedure

Process for evacuating the system using a vacuum pump and micron gauge to 500 microns.

Charge Calculation

Method for calculating the required refrigerant charge based on pipe diameter and length.

Electrical Requirement - Outdoor Unit

Electrical Specifications

Details on voltage, cable size, and breaker requirements for the outdoor unit.

Wiring Diagram

Diagram illustrating the electrical connections for the outdoor unit to the electrical panel.

Ground Fault Breaker Caution

Caution regarding the use of specific ground fault breakers (GFEB) in high humidity locations.

Electrical Requirement - Branch Boxes

Electrical Specifications

Details on voltage, cable size, and breaker requirements for branch boxes.

Wiring Diagram

Diagram illustrating the electrical connections for branch boxes to the electrical panel.

Ground Fault Breaker Caution

Caution regarding the use of specific ground fault breakers (GFEB) in high humidity locations.

Wiring Primary Branch Box

Wiring Diagram Details

Comprehensive wiring diagram for the primary branch box, showing connections to indoor and secondary units.

Servicing Safety Warning

Critical safety instructions when servicing branch boxes, emphasizing power disconnection and secure connections.

Primary Branch Box Electrical Connection

Wire Specifications

Details on power, control, and remote wires for the primary branch box connection.

Primary Branch Box to Branch Box A

Inter-Box Wiring Diagram

Diagram showing wiring connections between the primary branch box and secondary branch boxes.

Electrical Connections

Wire Termination

Instructions for stripping wires and using crimp-type terminals for secure electrical connections.

Before Turning On Power

Pre-Power On Checklist

A checklist of essential system checks before turning on power, covering leak testing, insulation, and connections.

Pre-Start-Up Checklist

Check Operation Procedure

Steps to perform the auto diagnostic check operation, confirming connected units and system status.

LED Display Interpretation

Explanation of the LED display during the check operation, showing unit counts.

Check Operation Details

Operating Mode Display

How the system operates and displays status during check mode, including error indicators.

Error Handling Advice

Instructions for consulting the manual in case of errors displayed during operation.

Test Run

Initiating Test Run

Steps to start and configure the test run mode, which operates units without temperature control.

Test Run Settings

Guide on using the test run setting method with function codes F1, F2, F3.

Start Test Run for Cooling

Cooling Test Run Steps

Procedure to initiate and run the cooling test, displaying 'done' upon completion.

Stop Test Run

Stopping Test Run

Steps to properly stop the test run mode, typically by pressing Select until '02' is displayed.

Homeowner Information

Multiple Indoor Unit Capacity

Information on system capacity limits when using multiple indoor units.

Operating Modes Explained

Description of different operating modes like AUTO, Heating, and Cooling/Dry.

Outdoor Unit Operating Range

Specifies the temperature ranges for outdoor unit operation in cooling and heating modes.

General Warnings

Installation and Usage Warning

Warning against DIY installation and improper practices, emphasizing licensed installers and specified parts.

Trademarks and Copyright

System Warranty Information

Warranty Coverage

Details on the 5-year parts and 7-year compressor warranty for Halcyon HFI Systems.

Warranty Conditions

Information on factors affecting warranty, such as online sales and serial number tampering.

Non-Internet Retail Policy

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