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Hitachi RAS-25QH1 Technische Information Seite 107

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Detrosting signal
puree, on
for cooling
| Raat |
Outdoor fan
Compressor
rotation speed
520
480
Unit 1
0
520
480
Unit 2
0
Defrosting signal
Detrosting request b
joutdoor microcomputers
Main
microcomputer
Expansion
vaive
init 1
Tums on
for cooling
Tums on
for heating
[Unit
| unit 2
[nit 1
| unit? |
[_ unit |
Compressor
rotation speed
Sub
microcomputer
Expansion
valve
Defrosting inhibit period |, Balancing pe
@Detrostin
uence !
DFSTEP min'
| DEFMAX
TDFSPT sec.
DFPSHX
DFCTPS
SDRCTL
PSTART
PCLOSH
See
Defrosting inhibit period
DFPSHX
3% - See other sections for details of expansion valve TD control, A N correction and distribution control.
* TSKTM1, SDRCT1, DFSTEP, TDFSPT, DEFMAX, DFCTPS, DFSPPS, DFPSMX, PSTART and PCLOSH are EEPROM data.
e414
PCLOSH
PCLOSH
R eee
ene

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