Indoor Units - Hitachi HC-A8MB Installation And Operation Manual

OPERATION

5.2 INDOOR UNITS

5.2.1 Available data for HC-A(8/16/64)MB
Offset (1) Description
0 Exist
1 System address
2 Unit address
3 On/Off setting order
4 Mode setting order
5 Fan setting order
6 Setting temperature
7 Louver setting
8 Central setting (3)
9 On/Off status
10 Mode status
11 Fan status
12 Setting temperature status
13 Louver status
14 (Not used)
15 Inlet temperature reading (2)
16 Outlet temperature reading (2)
17 Gas pipe temperature reading (2)
18 Liquid pipe temperature reading (2)
19 Alarm code
20 Compressor stop cause
21 Indoor unit expansion valve opening
9 PMML0351A rev.4 - 04/2020
Values
0: No exist
1: Exist
0~63
0: Stop
1: Run
0: Cool
1: Dry
2: Fan
3: Heat
4: Auto
0: Low
1: Medium
2: High
3: High2
4: Auto
ºC (set according to the unit working range)
0 ~ 7 (7 is Auto)
Bit 0: On/Off (always can be stopped)
Bit 1: Mode
Bit 2: Setting Temp
Bit 3: Fan
Bit 4: Louver
0: Off
1: On
0: Cool
1: Dry
2: Fan
3: Heat
4: Auto
0: Low
1: Medium
2: High
3: High2
4: Auto
ºC (set according to the unit working range)
0 ~ 7 (7 is Auto)
(Not used)
-63ºC ~ 63ºC
-63ºC ~ 63ºC
-63ºC ~ 63ºC
-63ºC ~ 63ºC
Alarm unit from 7-segment
(Read unit service manual)
0~100
Read/Write
Read
Read
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read
Read
Read
Read
Read
(Not used)
Read
Read
Read
Read
Read
Read
Read