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Hitachi RAS-25QH1 Technische Information Seite 155

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Communication
Data
between
Outdoor
Microcomputers
(1)
Main
microcomputer
message
7
foe
ele ele ee ee
Microcomputer model
Request to defrost
Microcomputer model
Request for forced cooling
[v0]
vo} wo] vo} vo] ofofofofelojofofefo]ofofofelo]:|
m)
equest to defrost
7
'an locked
rE:
a
te
od
i enn
ci i
2)
ee
See el
i nc
c= lem id
[door eonpresson on
Pa]
[= |Fereaseorepoaton |
~ [Operation
nase 255) —_
= Oowaton
noe)
ene
rene
A ee
7
[iB Os Pee
ele elle
eal
ale el oe eis ele ela)
a ies)
eee
Outdoor temperature (7 MSB)
Outdoor temperature (6)
Outdoor temperature (5)
Outdoor temperature (4)
Outdoor temperature (3)
Outdoor temperature (2)
Character
No
:
3
i
Outdoor temperature (1)
Outdoor temperature (0 LSB)
Indoor 4kW (compressor) on
ndoor B (compressor) on
Indoor A (compressor) on
For outdoor operation
For indoor operation
Operation mode (2MSB)
Operation mode (1)
Operation mode (0 LSB)
Character
No.
>
Qa ° °
a
>
S
[o}
3
oo
=
4?) Qn n
° a °o
a |
(2)
Sub
microcomputer
message
- 162 -

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