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Copyright © Fujitsu General America, Inc.

15

a

15

b

14

Refrigerant Pipe - Example Layout

Equivalent 
Pipe Length

To reduce the number of calculated feet always use smooth 6in. radius bends.

Note

-  Separation tubes

are installed in a 

Flat 

-

Horizontal or Vertical 
position only!
For more information
refer to the installation
manual.

Primary

Secondary 1

Secondary 2

An onsite bend of less than 6 in. radius is

calculated at .35 Equivalent Feet.

Halcyon HFI system requires  any bends tighter than a 
6 in. radius to be counted as extra feet of pipe.

• 

Count the number of bends that have a less than 6 in. 

radius ______(#)

• 

Multiply the number of bends by 0.35 = (Equivalent 

Length)

• 

Add the Equivalent length to the actual feet of installed 

line set = the calculated length. 

3.5 feet added to actual length makes the
equivalent pipe length you must calculate

.

Example: 

(Your pipe sizes are 5/8 and 3/8) 

A System with 5 bends each less than 6 in radius 
between the outdoor unit and the 1st branch box.

5/8 - Multiply no. of bends 

5

X  0.35 = 1.75(ft)  

3/8 - Multiply no. of bends 

5

X  0.35 = 1.75(ft)  

Now add those 2 together to equal=

3.5 (ft)

When brazing:

Refer to the installation manual when using elbows or
hard pipe for pipe length calculation.

Summary of Contents for Halcyon HFI Systems

Page 1: ...tions 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 capac...

Page 2: ... depth WHEN WIRING ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to branch boxes or outdoor unit until refrigerant charging is completed Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections...

Page 3: ... GFEB Ground Fault Equipment Breaker 30 mA or greater in order to prevent malfunctioning of ground fault device 1 Communication wires Outdoor unit to Primary Branch Box B B 2 Communication wires Primary B B to Secondary B B 3 Central remote controller wires Central remote controller to B B 4 Power supply and Communication wires B B to indoor units 5 Power supply Outdoor unit 6 Power supply Branch ...

Page 4: ... 2 24 000 BTU 1 4 1 2 to 5 8 adaptors included 3 of each 5 8 Outdoor Unit Branch Box Separation Tube Assembly Kit Liquid pipe 3 8 inch Gas pipe 5 8 inch Branch Box Branch Box Flare connections Flare connections Liquid pipe 1 4 inch Gas pipe 3 8 1 2 or 5 8 based on indoor unit size Branch box outlets are all 1 2 on gas pipe connections 1 2 to 3 8 adaptors and 1 2 to 5 8 adaptors included 3 of each ...

Page 5: ... direction Separation Tube Assembly Pipe Limitation Limitations Allowable height difference Between outdoor unit and indoor unit Up to 98 ft Between outdoor unit and branch box Up to 98 ft Between branch box and branch box Up to 49 ft Between indoor unit and indoor unit Up to 49 ft MINIMUM Allowable Pipe Lengths MAXIMUM Allowable Pipe Lengths Note Pipe lengths must include fitting losses 10b Eleva...

Page 6: ... 35 0 to 0 0197 0 to 0 5 23 64 9 1 3 8 9 52 33 64 13 2 1 2 12 7 21 32 16 6 5 8 15 88 25 32 19 7 Check if L is flared uniformly and is not cracked or scratched Die Pipe Flare nut lbf Tightening torque 1 4 16 to 18 3 8 32 to 42 1 2 49 to 61 5 8 63 to 75 Flare nut N m Tightening torque 6 35 142 to 159 9 52 283 to 372 12 70 434 to 540 15 88 558 to 664 Blank Cap Flare Nut Torque Wrench Holding Wrench T...

Page 7: ...be counted as extra feet of pipe Count the number of bends that have a less than 6 in radius ______ Multiply the number of bends by 0 35 Equivalent Length Add the Equivalent length to the actual feet of installed line set the calculated length 3 5 feet added to actual length makes the equivalent pipe length you must calculate Example Your pipe sizes are 5 8 and 3 8 A System with 5 bends each less ...

Page 8: ...or in a space above 80 relative humidity May be installed in a storage space that is inside the insulated envelope of the building Outlet Side Inlet Side CAUTION Do not hang from the ceiling when performing a vertical installation Secure the accessory hangers to the branch box with the screws provided Use 3 8 threaded rods with hexagonal nuts and washers field supplied as shown on the figure Make ...

Page 9: ...ter 1 4 Branch Box to Indoor Unit 0 224 oz ft or 21g meter Total length of 3 8 liquid line 0 624 oz ft or 58g meter Total length of 1 4 liquid line 0 224 oz ft or 21g meter a b c d e 0 624 oz ft or 58g meter f g h i j k l m 0 224 oz ft or 21g meter additional refrigerant Never apply power to a Fujitsu HFI system until leak testing and evacuation and system refrigerant has been added After completi...

Page 10: ...in high humidity locations install using ground fault equipment breakers often referred to in other countries as an ELCB earth leakage current breaker to reduce the risk of leaking current which may result in electric shock or potential fire We suggest installing GFEB breakers or follow local electrical code This system uses an inverter which means that when used with a ground fault breaker you mu...

Page 11: ...tdoor unit or tripping both breakers Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving part Loose wiring may cause the terminal to over heat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected Connect wires to the matching numbers of terminals Power Supply line 1 phase 208 ...

Page 12: ...Connection Primary Branch Box to Branch Box A 24 Secondary Branch Box A Secondary Branch Box B Primary Branch Box Secondary Branch Box A Power Wire 14 2 with Ground Control Wires 14 3 Ground wire 4 wires Master Remote Wire 3 wire 20 Ga stranded Electrical Connection Primary Branch Box 23 ...

Page 13: ...supply all connected according to instructions and codes 5 Are all system electrical connections tight 6 Have the service valves been opened on the outdoor unit Copyright Fujitsu General America Inc Perform the Check Operation auto diagnostic function See installation manual before running Check Operation system function ALWAYS PERFORM THE CHECK OPERATION NORMAL OPERATION WILL NOT BE POSSIBLE WITH...

Page 14: ...ature control along with the remote controller commands will be ignored during test run Test run set with the outdoor unit doesn t stop automatically Be sure to stop the Test Run to place the system in normal operation cooling heating Operation mode cannot be changed during the test run To change the operation mode please stop test run first Perform after successful Check Operation 28a above Test ...

Page 15: ... of outdoor coils ECONOMY OPERATION MINIMUM HEAT OPERATION CLEANING AND CARE DEFROST OPERATION Run the units in normal modes and confirm operation Operating Modes AUTO 64 88 F Heating 60 88 F Cooling Dry 64 88 F Simultaneous Use of Multiple Indoor Units 1 This system has a 100 capacity of 48 000 BTUs 2 Whether you connect a total of 48 000 BTUs of indoor units or you connect up to 62 000 BTUs of i...

Page 16: ...demark of Fujitsu Limited The Halcyon logo and name is a trademark of Fujitsu General America Inc Copyright 2010 Fujitsu General America Inc Fujitsu s products are subject to continuous improvements Fujitsu reserves the right to modify product design specifications and information in this brochure without notice and without incurring any obligations Complete System Warranty All 2010 Halcyon HFI Sy...

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