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.
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