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(4) If there is no reply from the air-condition, theparemeter display will be " --". If the communication returns that
defrost, check or antifreeze is running, relevant icon will dispaly
Category Function code
A
00
A
01
A
02
A
03
A
04
A
05
A
06
A
07
A
08
A
09
A
0A
A
0B-3F Reserved
A
40
A
41
A
42
A
43
A
44
A
45
A
46
A
47
A
48
A
49
A
4A
A
4B
A
4C
Function description
ON/OFF
Setting mode
temperature setting
Temperature compensation
Electric heating
Pump
Centralized controller group number
Rust prevention operation
Floor dry
Check 1
Check 2
Reserved function, does not participate in the loop when
the function code loops
Type of heat exchange unit
Operation mode
Antifreeze
Rust prevention operation
Defrost
Current fault
Number of connected indoor controllers
Number of connected indoor controllers that is on.
Number of connected indoor controllers that is thermo.
on.
Power
Electric heating state
Pump state
Micro switch
66
Set/ Query
Can be queried and set
Can be queried and set
Can be queried and set
Can be queried and set
Can be queried and set
Can be queried and set
Can be queried and set
Can be queried and set
Query only
Can be queried and set
Can be queried and set
Can be queried and set
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
Query only
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