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March 2016

 

 

© 2016 Fujitsu General America, Inc. 

 

LonWorks

 

Airstage Communication Cable Changes 

To help eliminate Airstage communication wiring installation issues, Fujitsu is standardizing on a specific 
model of LonWorks cable that can be used on all Airstage VRF installations. Fujitsu will be providing the 
cable as an Airstage Part. Currently, the cable is available in 250 Ft and 500 Ft spool/reel sizes. This 
LonWorks cable shall be the ONLY APPROVED LONWORKS CABLE to be used on any Airstage 
system installation. The approval of the Extended Warranty shall be contingent on the use of this cable. 
 
The Airstage Parts for the Fujitsu LonWorks cables are the following: 

Cable Type 

Pairs 

Details 

Catalog Number 

 Level 4 NEMA 

22AWG 

 

1

 

250ft LonWorks Shielded cable

 

K00250LW

 

1

 

500ft LonWorks Shielded cable

 

K00500LW

 

 
This addendum information shall supersede any LonWorks cable requirements listed in any of the 
Airstage Design & Technical Manuals or Installation Manuals.

 

Design & Technical Manual for Airstage V-II 208/230V, 60Hz 

Design & Technical Manual for Airstage V-II 460V, 60Hz 

Design & Technical Manual for Airstage VR-II 208/230V, 60Hz 

Design & Technical Manual for Airstage VR-II 460V, 60Hz 

Design & Technical Manual for Airstage J-II 208/230V, 60Hz 

Design & Technical Manual for Outdoor Air Unit 208/230V, 60Hz 

 

Fujitsu Airstage VRF system wiring detail: 

 
 
 

LonWorks 
Transmission line

 

LonWorks 
Transmission line

 

Remote 
controller wire

 

Summary of Contents for AOU36RLAVM

Page 1: ...tage Parts for the Fujitsu LonWorks cables are the following Cable Type Pairs Details Catalog Number Level 4 NEMA 22AWG 1 250ft LonWorks Shielded cable K00250LW 1 500ft LonWorks Shielded cable K00500LW This addendum information shall supersede any LonWorks cable requirements listed in any of the Airstage Design Technical Manuals or Installation Manuals Design Technical Manual for Airstage V II 208...

Page 2: ...STALACIÓN OUTDOOR UNIT UNITÉ EXTÉRIEURE UNIDAD EXTERIOR For authorized service personnel only Pour le personnel agréé uniquement Solo para personal de servicio autorizado AOU36RLAVM AOU48RLAVM AOU60RLAVM 9380545095_IM indb cover1 9380545095_IM indb cover1 11 17 2015 4 14 24 PM 11 17 2015 4 14 24 PM ...

Page 3: ...your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be neces sary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweat...

Page 4: ...g Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury If there is a possibility of touching the fan during maintenance make sure to turn OFF the power before implementing the maintenance Even if operations are suspended the fan of outdoor unit sometim...

Page 5: ...otal cooling capacity of indoor unit kw UTP AX054A ALL 2 4 2 Header Header uses the following parts A header is used for connecting the indoor units Header Total cooling capacity of indoor unit kw 3 6 Branches 3 8 Branches UTR H0906L UTR H0908L ALL 2 4 3 External connect kit Model Usage UTY XWZXZ6 For External input CN131 CN132 CN133 CN134 For External output Error status CN136 Operation status CN...

Page 6: ...ure sufficient space or consult your distributing agent as it may affect the performance due to short circuit and other problems Consider the transportation route installation space maintenance space and access and install the unit in a location with sufficient space for the refrigerant piping Observe the installation space specifications that are shown in the figures Keep the same space at rear a...

Page 7: ...rformance First separation tube optional Separation tube optional Pipe size table B Pipe size table C Pipe size table D Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit 3 3 3 Outdoor units installation in multi row Unit in mm The following settings are not recommended in case of cooling by a low outside tempera ture 1 Single parallel unit arrangement 6 150 24 600 40 1000 79 ...

Page 8: ...tion Working period Protection method Outdoor 1 month or more Pinch pipes Less than 1 month Pinch or tape pipes Indoor Pinch or tape pipes Protect the pipes to prevent the entry of moisture and dust Especially pay attention when passing the pipes through a hole or connecting the end of a pipe to the outdoor unit 5 PIPE INSTALLATION 5 1 Brazing CAUTION If air or another type of refrigerant enters t...

Page 9: ...ut CAUTION Hold the torque wrench at its grip keeping it in a right angle with the pipe in order to tighten the flare nut correctly Outer panel may be distorted if fastened only with a wrench Be sure to fix the elementary part with a holding wrench spanner and fasten with a torque wrench refer to below dia gram Do not apply force to the blank cap of the valve or hang a wrench etc on the cap If bla...

Page 10: ...portion of the connector cable with the cord clamp A damaged insulation can cause a short circuit Never install a power factor improvement condenser Instead of improving the power fac tor the condenser may overheat CAUTION Risk of Electric Shock Before servicing the unit turn the power supply switch OFF Then do not touch electric parts for 20 minutes due to the risk of electric shock Always use a ...

Page 11: ...er MAX CKT BKR GOOD Transmission cable Remote controller cable 208 230 V 60 Hz Breaker 1 208 230 V 60 Hz Outdoor unit power supply cable Indoor unit power supply cable Breaker 2 Breaker 1 Breaker 2 6 4 Transmission line CAUTION Caution when wiring cable When stripping off the coating of lead wire always use the exclusive tool such as a wire stripper If there is no exclusive tool available necessar...

Page 12: ...mote control Remote control Remote control Power supply Power supply Power supply Indoor unit Power supply 208 230V 60Hz Remote controller 1 1 1 Remote controller Remote controller Power supply 208 230V 60Hz Power supply 208 230V 60Hz Indoor unit Indoor unit Breaker 1 Breaker 1 Breaker 1 Breaker 1 Breaker 2 Breaker 2 Breaker 2 Breaker 2 1 The number of power supply terminals is different depending...

Page 13: ...e Screw with special washer Ring terminal Cable Shielding the transmission cable Connect both ends of the shielded wire of the transmission cable to the earth ground terminal of the equipment or to the earth ground screw near the terminal Be sure to use one side of a twisted pair cable when using transmission cable with 2 sets of twisted pair cables Wind with insulation tape to prevent short circu...

Page 14: ...t guarantee the regulations of each country For this reason sufficient checking is necessary regarding use Especially since the fact that the equipment may not be emergency stopped in the case of breaking of the wiring to the external input terminals and communication line communication error due to noise VRF external input circuit trouble etc must be considered the provision of double measures th...

Page 15: ...ow many outdoor units are connected to 1 refrigerant system Configure the setting DIP switch SET 5 of the terminal resistor of the outdoor units as shown below from conditions 1 to 3 SET 5 Terminal resistor Remarks 4 OFF Disable ON Enable Factory setting Figure Terminal resistor setting NS2 Network segment 2 NS3 Network segment 3 NS4 Network segment 4 NS1 Network segment 1 Set terminal resistor at...

Page 16: ...n Technical Manual 36 Outdoor tempera ture zone bound ary temperature A 1 4 0 F 20 C 3 6 0 0 0 4 F 18 C 0 1 3 2 F 16 C 0 2 6 8 F 14 C 0 3 10 4 F 12 C 0 4 14 0 F 10 C 0 5 17 6 F 8 C 0 6 21 2 F 6 C 0 7 24 8 F 4 C 0 8 For more details on settings for this item see the Design Technical Manual 37 Outdoor tempera ture zone bound ary temperature B 1 42 8 F 6 C 3 7 0 0 14 0 F 10 C 0 1 17 6 F 8 C 0 2 21 2 ...

Page 17: ...segment LED display LED 105 LED 104 Flashing First 2 digits Last 2 digits When F3 to F9 are displayed continue to press the SELECT button until F2 is displayed 2 Setting the first 2 digits 3 Setting the last 2 digits Continue to press the SELECT button until the desired number appears at the last 2 digits Every press of the SELECT button will change the setting number for the first 2 digits Contin...

Page 18: ...2 3 4 Indoor unit wiring example Connect the indoor and outdoor units of the same refrigerant system as shown below Refrigerant system1 Refrigerant system2 Refrigerant system3 Master unit Master unit Master unit Signal amplifier Signal amplifier NOTE The automatic address function can be used for a maximum of 9 indoor units installed to the same refrigerant system When network is connected to othe...

Page 19: ...microns 100 7 kPa even after depressurizing for at least 2 hours repeat the vacuum breakdown vacuum process perform triple evacu ation procedure as necessary to bring the vacuum down to 500 microns 100 7 kPa or lower After vacuum process maintain the vacuum for an hour and make sure the pressure does not rise by monitoring with a vacuum gauge Evacuation procedure 1 Remove the caps of the gas pipe ...

Page 20: ...charged amount lbs kg Diameter of liquid pipe in mm a Additional amount for pipe length lbs ft kg m AOU36RLAVM 10 58 4 80 AOU48RLAVM 11 68 5 30 Ø 1 4 6 35 0 014 0 021 AOU60RLAVM 11 68 5 30 Ø 3 8 9 52 0 039 0 058 1 Calculation of additional amount for pipe length A Total length of ø 3 8 in ø 9 52 mm liquid pipe a 0 039 0 058 lbf ft kg m Total length of ø 1 4 in ø 6 35 mm liquid pipe a 0 014 0 021 l...

Page 21: ...NTER button for more than 3 seconds Turn on the power of indoor unit and outdoor unit Press the ENTER button for more than 3 seconds This will be displayed when the Indoor unit connection check starts MODE EXIT SELECT ENTER ENTER ENTER 1 2 1 The number of connected indoor units 2 Volume ratio of the indoor units connection Ex When 8 units are connected Ex When the ratio is 120 Please refer to the ...

Page 22: ...cient length of time before restarting the operation Perform test operation for each refrigerant system You can set cooling test operation or heating test operation with the push button on the outdoor unit PC board Test operation setting method Use the MODE EXIT SELECT and ENTER buttons on the indoor unit PC board to configure settings according to the procedures below Settings for starting test r...

Page 23: ...rush current limiting resister temp rise error protective operation E 6 9 1 Outdoor unit transmission PCB parallel communi cation error Outdoor unit sen sor error E 7 1 1 Outdoor unit discharge temp thermistor 1 error E 7 2 1 Outdoor unit compressor temp thermistor 1 error E 7 3 3 Outdoor unit heat ex liquid temp thermistor error E 7 4 1 Outside air temp thermistor error E 7 5 1 Outdoor unit sucti...

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