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Object no. | Object | Address (Decimal) | Register Length | Read Only (RO) or Read/Write (R/W) | Function code (HEX) 0x04---Read Input Registers 0x06---Write Single Register 0x10---Write Multiple Registers | Multi-Bytes Access Group | Special Process | Default | Data Type (Decimal) | |
1 | Indoor unit On/Off status | 0001 | 1 | RO | 0x04 | - | 2 | - | - | 0: OFF 1: ON (Normal mode) 2: ECO |
2 | Current VRF mode | 0002 | 1 | RO | 0x04 | - | 2 | - | - | 0: AUTO 1: COOL 2: HEAT 3: Dehumidification 4: FAN |
3 | Fan speed setting status | 0003 | 1 | RO | 0x04 | - | 2 | - | - | 0: AUTO 1: Fan speed 1 2: Fan speed 2 3: Fan speed 3 4: Fan speed 4 5: Fan speed 5 6: Fan speed 6 7: Fan speed 7 |
4 | Room temperature | 0004 | 1 | RO | 0x04 | - | 2 | x50 | - | -10...50 ℃ |
5 | Active room temperature setpoint | 0005 | 1 | RO | 0x04 | - | 2 | x50 | - | 10...50 ℃ |
6 | Alarm status | 0006 | 1 | RO | 0x04 | - | 2 | - | 0 | 0: OK 1: Error |
7 | Indoor unit On/Off status | 0001 | 1 | RO | 0x03 | - | 2 | - | - | 0: OFF 1: ON (Normal mode) 2: ECO |
8 | Current VRF mode | 0002 | 1 | RO | 0x03 | - | 2 | - | - | 0: AUTO 1: COOL 2: HEAT 3: Dehumidification 4: FAN |
9 | Fan speed setting status | 0003 | 1 | RO | 0x03 | - | 2 | - | - | 0: AUTO 1: Fan speed 1 2: Fan speed 2 3: Fan speed 3 4: Fan speed 4 5: Fan speed 5 6: Fan speed 6 7: Fan speed 7 |
10 | Room temperature | 0004 | 1 | RO | 0x03 | - | 2 | x50 | - | -10...50 ℃ |
11 | Active room temperature setpoint | 0005 | 1 | RO | 0x03 | - | 2 | x50 | - | 10...50 ℃ |
12 | Alarm status | 0006 | 1 | RO | 0x03 | - | 2 | - | 0 | 0: OK 1: Error |
13 | Indoor unit On/Off command | 0010 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | - | 1 | 0: OFF 1: ON (Normal mode) 2: ECO |
14 | VRF mode | 0011 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | - | 0 | 0: AUTO 1: COOL 2: HEAT 3: Dehumidification 4: FAN |
15 | Setpoint temperature | 0012 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | x50 | - | 5...35 ℃ |
16 | Room temperature from VRF indoor unit | 0013 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | x50 | - | -10...50 ℃ |
17 | Fan speed set | 0014 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | - | 0 | 0: AUTO 1: Fan speed 1 2: Fan speed 2 3: Fan speed 3 4: Fan speed 4 5: Fan speed 5 6: Fan speed 6 7: Fan speed 7 |
18 | Indoor unit error code | 0015 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | - | - | VRF error codes (ASCII) |
19 | Indoor unit error code | 0016 | 1 | R/W | 0x03 | 0x06 or 0x10 | 3 | - | - | VRF error codes (ASCII) |
20 | P01 | 0030 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 | 0 = AUTO/HEAT/COOL/FAN/Dehumidification 1 = HEAT/COOL/FAN/Dehumidification 2 = HEAT/COOL/FAN 3 = HEAT/COOL 4 = HEAT/FAN 5 = COOL/FAN/Dehumidification 6 = COOL/FAN |
21 | P02 | 0031 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 | 1 = Comfort – Protection 2 = Comfort – Economy – Protection |
22 | P03 | 0032 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 | 0 = 0.5 K 1 = 1 K |
23 | P04 | 0033 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = ℃ (Celsius) 1 = °F (Fahrenheit) |
24 | P05 | 0034 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 0 | -5…5 K |
25 | P06 | 0035 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = Room temperature 1 = Setpoint 2 = BUS temperature |
26 | P08 | 0036 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 21 ℃ | 5…40 ℃ |
27 | P09 | 0037 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 5 ℃ | 5 ℃…P10 (P10 = 40 ℃ max.) |
28 | P10 | 0038 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 35 ℃ | (P09 = 5 ℃ min.) P09…40 ℃ |
29 | P11 | 0039 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 15 ℃ | 5…40 ℃ |
30 | P14 | 0040 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = Unlock 1 = Setpoint & fan buttons adjustment only 2 = Full lock |
32 | P25 | 0042 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = Disable 1 = Enable |
33 | P26 | 0043 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 | 1 = 1:5 2 = 2:4 3 = 3:3 4 = 4:2 5 = 5:1 |
34 | P27 | 0044 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = Previous operating mode 1 = OFF 2 = ON (Normal mode) |
35 | P28 | 0045 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 | 0 = Disable 1 = Enable |
36 | P30 | 0046 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 2 K | 0.5…6 K |
37 | P38 | 0047 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = --- (no function) 1 = Floor heating limitation sensor (NTC 3k) 2 = Floor heating limitation sensor (NTC 10k) |
38 | P48 | 0048 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 min | 1...20 min |
39 | P49 | 0049 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 1 min | 1...20 min |
40 | P51 | 0050 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 0 | 0 = Off or 10...50 °C |
41 | P53 | 0051 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 3 | 1 = 1-speed 2 = 2-speed 3 = 3-speed 4 = 4-speed 5 = 5-speed 6 = 6-speed 7 = 7-speed |
42 | P54 | 0052 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 3 | 1 = 1-speed 2 = 2-speed 3 = 3-speed 4 = DC 0...10 V (ECM fan) |
43 | P55 | 0053 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 80 % | ECM fan min…100 % |
44 | P56 | 0054 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 30 % | 1 %...ECM fan max. |
45 | P59 | 0055 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 2 min | 1...6 min |
46 | P65 | 0056 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | x50 | 8 ℃ | OFF, 5 ℃…Wcoolprot; |
47 | P71 | 0057 | 1 | R/W | 0x03 | 0x06 or 0x10 | 4 | - | 0 | 0 = Disable 1 = Reload start |
48 | P81 | 0058 | 1 | R/W | 0x03 | 0x06 or 0x10 | 5 | - | 247 | 1…247 |
49 | P82 | 0059 | 1 | R/W | 0x03 | 0x06 or 0x10 | 5 | - | 2 | 1 = 9600 bps 2 = 19200 bps 3 = 38400 bps 4 = 57600 bps |
50 | P83 | 0060 | 1 | R/W | 0x03 | 0x06 or 0x10 | 5 | - | 0 | 0 = 1/8/E/1 1 = 1/8/O/1 2 = 1/8/N/1 3 = 1/8/N/2 |
51 | P98 | 0061 | 1 | R/W | 0x03 | 0x06 or 0x10 | 5 | - | 1 | 1 = Enable |