18
FM
All copying, even partial, of this manual is strictly forbidden
FC66003740 - Rev 01
12 MODBUS
INPUT REGISTERS
Description
Address
Type
Remark
Dip switch 1 status
400000
R
Dip switch 2 status
400001
R
Room temperature sensor
400002
R
Ti1 temperature sensor
400003
R
Ti2 temperature sensor
400004
R
Error code
400005
R
Bit0= Room temperature sensor error
Bit1= Ti1 temperature sensor error
Bit2= Ti2 temperature sensor error
Bit3= Float switch error
Bit4= Indoor coil low temperature protection
Bit5= Indoor coil over heat protection
Bit6= Reserved
Bit7= Electrical heater failure
Bit8= Motor1 error
Bit9= Motor2 error
Bit10= System parameters error
Bit11= Reserved
Bit12= Reserved
Bit13= Reserved
Bit14= Reserved
Bit15= Reserved
Fan speed status
400006
R
Low=04(H)
Medium= 02(H)
High= 01(H)
Mode status
400007
R
Cooling mode= 01(H)
Dehumidify mode= 02(H)
Fan mode= 04(H)
Heating= 08(H)
Setting temperature status
400008
R
Testing only
Room temperature in wall pad status
400009
R
Room temperature in main PCB status
400010
R
Unit type
400011
R
4-pipe= 03, 2-pipe= 02
This setting is configured by dip switch
EC motor 1#RPM
400012
R
EC motor 2#RPM
400013
R
