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001 

 

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 Airstage UTP-RU01AH

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: ...service personnel only TM Français Español MANUEL D INSTALLATION MANUAL DE INSTALACIÓN UNITÉ DE DÉRIVATION DE RÉFRIGÉRANT UNIDAD DE DERIVACIÓN DE REFRIGERANTE Pour le personnel agréé uniquement Únicamente para personal de servicio autorizado UTP RU01AH UTP RU01BH UTP RU01CH ...

Page 3: ... and floors In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow When Connecting Refrigerant Tubing Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lub...

Page 4: ...t breaker operating on all wires with a distance between contact of 1 8 in 3 mm for this unit The unit must be correctly grounded and the supply line must be equipped with a dif ferential breaker in order to protect the persons The units are not explosion proof and therefore should not be installed in explosive atmosphere Do not turn on the power until all installation work is complete This unit c...

Page 5: ...nstallation manual 5 INSTALLATION WORK 5 1 Selecting an installation location WARNING Take into consideration whether the place you install the main unit can fully with stand its weight For hanger bolts use embedded inserts or embedded foundation bolts in the case of new installation and use a hole in anchor if already installed and attach in a way so that the unit s weight can be supported CAUTIO...

Page 6: ...unit side Product mass lbs kg UTP RU01AH 15 7 UTP RU01BH 17 7 5 UTP RU01CH 18 8 A A B B C C 20 500 or more 20 500 or more 1 20 or more 1 20 or more Ceiling hanging Installation limit Unit in mm 5 2 2 Wall hanging 13 1 8 333 11 16 18 9 16 15 7 13 16 198 10 9 16 268 198 7 13 16 7 1 4 Unit in mm service space grille 1 20 or more Installation limit 1 20 or more 12 300 or more E g If installing a duct ...

Page 7: ...s 1 1 1 2 4 4 5 5 5 5 3 Cover B Cover A Control box Control box cover Cable clamp 6 8 9 10 11 11 8 8 10 10 10 8 7 Cable clamp Accessory Cover B Cover A Control box Control box cover 6 Change the control box attachment position 7 Attach the cable clamp accessory Thereafter put the cable in the cable clamp 8 Fix the control box position 4 screws 9 Attach Cover B to Cover A 1 screw 10 Attach Cover A ...

Page 8: ...ndoor unit capacity Btu h Suction gas pipe in mm Discharge gas pipe in mm Gas pipe in mm 7 500 9 500 12 000 14 000 1 2 12 7 Reducer 3 8 9 52 Reducer 1 2 12 7 Reducer 18 000 24 000 30 000 5 8 15 88 Reducer 1 2 12 7 5 8 15 88 Reducer 36 000 48 000 3 4 19 05 1 2 12 7 3 4 19 05 60 000 3 4 19 05 5 8 15 88 Reducer 3 4 19 05 Table 3 Connection pipe selection for when 2 to 8 indoor units are connected Tot...

Page 9: ...ns for electrical wiring WARNING Electrical work must be performed in accordance with this Manual by a person certified under the national or regional regulations Be sure to use a dedicated circuit for the unit An insufficient power supply circuit or improperly performed electrical work can cause serious accidents such as electric shock or fire Before starting work check that power is not being su...

Page 10: ...river to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged and prevent the screws from being properly tightened 4 Do not tighten the terminal screws too much otherwise the screws may break 5 See the table for the terminal screw tightening torques 6 Please do not fix 2 power supply cables with 1 screw Strip 1 in 25 mm Screw with special ...

Page 11: ...rcuit Breaker MAX CKT BKR Disconnect switch shall be installed between RB unit and pull box The transmission cable connects indoor units belonging to the same RB group The transmission cable cannot be used to connect indoor units belonging to different RB groups GOOD PROHIBITED Refrigerant pipe RB group 1 RB group 1 RB group 2 RB group 2 Transmission line Transmission line Crossover wiring of powe...

Page 12: ...etting 1 RB unit address When connecting multiple RB units to 1 refrigerant system set the address at RB AD SW Rotary switch RB AD 1 Factory setting 0 Rotary switch RB AD 10 Factory setting 0 2 Refrigerant circuit address In the case of multiple refrigerant systems set REF AD SW for each refrigerant system Set to the same refrigerant circuit address as the outdoor unit Rotary switch REF AD 1 Facto...

Page 13: ...ing 24V across pins 1 3 c The allowable current is DC 5mA to 10 mA Recommended DC 5mA Provide a load resistance such that the current becomes DC 10mA or less Select very low current use contacts usable at DC 12V DC 1mA or less d The polarity is for pin 1 and for pin 3 Connect correctly When connected to Apply voltage terminals of multiple RB units with a connected unit be sure to make a branch out...

Page 14: ...er is turned on Lit Lit The wiring is incorrect The IN U terminal of RB unit and outdoor unit transmission terminal are connected with the transmission cable Correctly connect the wiring When re wiring you must turn off the power Lit Flashing There is a fault with the communication board or the main board 0 1s ON 0 1s OFF ...

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