Intesis IntesisBox FJ-AC-MBS-1 User Manual Download Page 1 | Manualshive

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IntesisBox

®

ModBus RTU

Fujitsu Air Conditioning

Compatible with Domestic and VRF line air conditioners commercialized by
Fujitsu

User Manual

03/2019

r1.0 eng

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Summary of Contents for IntesisBox FJ-AC-MBS-1

Page 1: ...IntesisBox ModBus RTU Fujitsu Air Conditioning Compatible with Domestic and VRF line air conditioners commercialized by Fujitsu User Manual 03 2019 r1 0 eng...

Page 2: ...ent is furnished under a license agreement or nondisclosure agreement The software may be used only in accordance with the terms of those agreements No part of this publication may be reproduced store...

Page 3: ...ox is a registered trademark of Intesis Software SLU URL EmailP hone http www intesisbox com info intesisbox com 34 938047134 3 21 Gateway for the integration of a Fujitsu air conditioning unit in Mod...

Page 4: ...to the EIA 485 bus 6 3 Quick Start Guide 7 4 Modbus Interface Specification 8 Modbus physical layer 8 Modbus Registers 8 4 2 1 Control and status registers 8 4 2 2 Configuration Registers 10 4 2 3 Co...

Page 5: ...oor unit of AC External power not required Direct connection to Modbus RTU EIA 485 networks Up to 63 FJ AC MBS 1 devices can be connected in the same network FJ AC MBS 1 is a Modbus slave device Direc...

Page 6: ...C MBS 1 connection diagram Connection to the EIA 485 bus Connect the EIA 485 bus wires to the plug in terminal block of FJ AC MBS 1 and keep the polarity on this connection A and B Make sure that the...

Page 7: ...ons given 3 Connect to CN65 between the interface and the AC indoor unit following the instructions of the diagram 4 Connect the EIA 485 bus to the connector EIA485 of the interface 5 Close the AC ind...

Page 8: ...uto 1 Heat 2 Dry 3 Fan 4 Cool 2 3 R W AC unit Fan Speed 1 0 Auto 1 Quiet 2 Low 3 Med 4 High 3 4 R W AC unit Vane Position 1 1 Position 1 Horizontal 2 Position 2 Horizontal 3 Position 3 Medium 4 Positi...

Page 9: ...ther C x10 C F 23 24 R AC Real temperature setpoint 1 2 3 4 When no external temperature is provided this read only register will have the same value as register 5 PLC addressing In all cases it will...

Page 10: ...e Setpoint R W register 5 in PLC addressing This is the adjustable temperature setpoint meant to be required by the user This register can be read Modbus function 3 or 4 or written modbus functions 5...

Page 11: ...s received on register 23 in PLC addressing SAC Su Tu SU Where SAC setpoint value currently applied to the indoor unit Su setpoint value Tu external temperature reference written at BACnet side When F...

Page 12: ...nfiguration through DIP switches SW1 AC configuration Modbus baud rate AC Configuration Modbus Baud rate SW1 P1 5 Description SW1 P1 5 Description SW1 P6 8 Description Follower default value Low Power...

Page 13: ...21 Table 4 2 SW2 Modbus slave address Table 4 3 SW2 Degrees tenths of degrees x10 Temperature magnitude C F SW2 P7 8 Description Temperature values in ModBus register are represented in degrees x1 de...

Page 14: ...ng Device LED indicator The device includes two LED indicators to show all the possible operational states In the following table there are written the indicators which can be performed and their mean...

Page 15: ...eivers which are listening the bus when all the transmitters outputs are in three state high impedance it is also required a fail safe biasing mechanism This mechanism provides a safe status a correct...

Page 16: ...nal Wiring for low voltage signals For terminal solid wires or stranded wires twisted or with ferrule 1 core 0 5mm2 2 5mm2 2 cores 0 5mm2 1 5mm2 3 cores not permitted Stock Humidity 95 RH non condensi...

Page 17: ...otice IntesisBox is a registered trademark of Intesis Software SLU URL EmailP hone http www intesisbox com info intesisbox com 34 938047134 17 21 6 AC Unit Types compatibility Please check compatibili...

Page 18: ...oor temperature sensor error 11 0b Outdoor temperature sensor error 12 0C Outdoor discharge pipe temperature sensor error 13 0d Outdoor discharge pipe temperature sensor error 14 0E Heat sink thermist...

Page 19: ...or unit initial setting error 134 22 Indoor unit capacity abnormal 135 23 Incompatible series connection error 136 24 Connection unit number error 137 25 Connection pipe length error 138 26 RAC Indoor...

Page 20: ...81 Receiver liquid level detection sensor error 230 82 Outdoor unit sub cool heat ex gas temp thermistor error 231 83 Outdoor unit liquid pipe temp thermistor error 232 84 RAC Outdoor unit current sen...

Page 21: ...ranch boxes error 311 J3 VRF Total heat exchanging ventilation unit error 312 J4 J II V II VR II Domestic hot water unit error 313 J5 Series Zone control interface error VRF V S J Series Error Code Mo...

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