Alarm Code List; Configuration Method - Hitachi HC-A32MB Installation And Operation Manual

– (1) Application:
Model
HC-A32MB
This new software is also available in HC-A32MB with the following serial numbers:
• 9AE46498
• 9AE46515
• 9AE47648
• 9AE47652
• 9AE47779
• 9AE48540~9AE48544
• 9AE48547
• 9AE48553
• 9AE48566
• 9AE48568
– (2): In the case of operation without Remote Control Switch ensure that CENTRAL_SET variable is always set to 31 decimal to
force operation. If this is not done, unit may stop randomly.
3.1.2

Alarm code list

Refer to the Service Manual of the corresponding indoor unit in order to know which is the meaning of the value showed in address
19. This value will be the same that the one showed on the RCS 7-segment.
3.1.3

Configuration method

Every HC-A32MB can control up to 32 I.U, considering that in the same H-LINK can be connected up to 160 IU, it must be set which
indoor units are selected for each HC-A32MB.
This configuration is not required in case of CHILLER application.
Setting concept consist in an "id" table listing up to 32 numbers for the assignation of each OU+IU addresses as shows the following
example:
Rerigerant cycle
Id
address
00 00
01 00
02 00
03 00
04 00
05 00
06 00
07 00
08 00
09 00
10 00
11 00
12 00
13 00
14 00
15 00
16
PMML0191A rev.2 - 05/2013
Model code
7E513200 9AE49385
Indoor unit address
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Application serial number
Rerigerant cycle
Id
address
16 01
17 01
18 01
19 01
20 01
21 01
22 01
23 01
24 01
25 01
26 01
27 01
28 01
29 01
30 01
31 01
Operation
Indoor unit address
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15