Basic Mode - Hitachi RAK-18QXB Service Manual

MODEL RAK-18QXB,RAK-25RXB,RAK-35RXB,RAK-50RXB
button
Setting temperature
1. Runs at "Hi" until room temperature reaches to
"setting temperature-SFTDSC" after operation is
started.
2. Runs at "ultra-Lo" when thermo is off.
Operates at "Med" regardless of the room temperature.
Runs at "ultra-Lo" when thermo is off.
Operates at "Lo" regardless of the room temperature.
Runs at "ultra-Lo" when thermo is off.
Operates at "Silent" regardless of the room temperature.
Runs at "ultra-Lo" when thermo is off.
Room temperature
ON ON
Thermo judgment OFF
Compressor
Hi
Med
Lo
3 (Compressor stopped
forcibly for 3 minutes)
"ultra-Lo"
39 41
40 42
button
button
button
button
button
button
button
button
button
button
Set to "ultra-Lo","Silent","Lo","Med","Hi","ultra-Hi" or "stop" depending on the room
temperature, time and heat exchanger temperature. Set to "stop" if the heat exchanger
temperature is "DNZKOF" during Thermo OFF.(When reach at "DNZKON", fan speed set
to "ultra-Lo" again.)
In modes other than left
When the compressor is running at maximum
Heat exchanger temperature
speed
during hot-dash or when recovered from NORUPH
defrosting. NORUPL
DASUPHH
DASDNH
NORUPS
DASUPH
DASDNH
DASUPL
DASDNL
DASUPS
DASDNS
DNZKON
DNZKOF
Ultra-High
High
Med
Low
Silent
" 0 9 Fan speed UP/DOWN delay time " 0 9 Fan speed UP/DOWN delay time
Set to "ultra-Lo","Silent","Lo","Med","Hi","ultra-Hi" or "stop" depending on the room
temperature, time and heat exchanger temperature. Set to "stop" if the heat exchanger
temperature is "DNZKOF" during Thermo OFF.(When reach at "DNZKON", fan speed set
to "ultra-Lo" again.)
Set to"ultra-Hi"
Set to "ultra-Lo","Silent","Lo","Med","Hi","ultra-Hi" or "stop" depending on the room
temperature, time and heat exchanger temperature. Set to "stop" if the heat exchanger
temperature is "DNZKOF" during Thermo OFF.(When reach at "DNZKON", fan speed set
to "ultra-Lo" again.)
Set to "ultra-Lo","Silent","Lo","Med","Hi","ultra-Hi" or "stop" depending on the room
temperature, time and heat exchanger temperature. Set to "stop" if the heat exchanger
temperature is "DNZKOF" during Thermo OFF.(When reach at "DNZKON", fan speed set
to "ultra-Lo" again.) The fan speed is controlled by the heat exchanger temperature; the
overload control is executed as in the following diagram:
PDCIN2
PDCOF2
"Med","Lo""Silent"×108％
"Med","Lo""Silent"
43
44
- 36 -
NORDPH
NORDNL
NORDNS