Basic Mode - Hitachi RAF-25RXB Service Manual

BASIC MODE

MODEL RAF-25/35/50RXB
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"
8-3. 8-5.
8-4. 8-6.
8ー1
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
Heat exchanger temperature
maximum speed
duringhot-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
90" Fan speed UP/DOWN delay time 90" 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" when the compressor is running at maximum speed during hot dash
or when recovered from defrosting.
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" x 108%
"Med", "Lo" "Silent"
8-7.
8-8.
NORDPH
NORDNL
NORDNS
Note:Single connection only.