Gree MG30-24/D1(B) - Page 48

BACnet Gateway Kit for Central Air Conditioners
32
3) When some communication error occurs, it indicates the indoor unit is not well connected
with the communication module. When the message “Indoor Unit/Wired Controller Communication
Error Mark” is sent, it indicates the outdoor unit is not well connected with the indoor unit or the
wired controller�
(4) Indoor unit environment Temp
Member number:3
Object name:IndoorUnitEnvironmentTemp_XX_YYY_ZZ (XX means Air condition type,like GMV
is 01;YYY means Outdoor Units's number,like GMV is between 001 and 004 now;ZZ means Indoor
Units's number,like GMV is between 01 and 16 now,otherwise 00 means deviceYYY's Parameters.)
Object type:Analog Input
Object ID: AI(0)+YYY*8192+ZZ*64+1
Instance Number: YYY*8192+ZZ*64+1
Description: this object is used to monitor the indoor unit environment temperature.
Present_Value:-20~100
Units: degrees-Celsius or
Min_Pres_Value: -20
Max_Pres_Value: 100
Resolution: 1
Note :
(5) Indoor unit mode(status)
Member number:4
Object name:IndoorUnitModeStatus_XX_YYY_ZZ (XX means Air condition type,like GMV is
01;YYY means Outdoor Units's number,like GMV is between 001 and 004 now;ZZ means Indoor
Units's number,like GMV is between 01 and 16 now,otherwise 00 means deviceYYY's Parameters.)
Object type:Multistate Input
Object ID: MI(13)+YYY*8192+ZZ*64+2
Instance Number: YYY*8192+ZZ*64+2
Description: this object is used to monitor the running mode of the indoor unit.
Present_Value:
1- Cool,
2- Dehumidify,
3- Fan,
4- Heat;
Others: 0 means nothing, can use insignicance symbol to express, like "--";
Note :
1) The indoor unit running mode takes effective only when the unit is turned on.
(6) Indoor unit mode(setting)
Member number:5
Object name:IndoorUnitModeCommand_XX_YYY_ZZ (XX means Air condition type, like
GMV is 01;YYY means Outdoor Unit's number, like GMV is between 001 and 004 now; ZZ means
Indoor Unit's number, like GMV is between 01 and 16 now, otherwise 00 means device YYY's
Parameters.)