Basic Mode - Hitachi RAS-08LH2B Service Manual

BASIC MODE

MODEL RAS-08LH2/10LH2/14LH2 / RAS-08LH2(B)/10LH2(B)/14LH2(B) // RAC-08LH1/10LH1/14LH1
Operation mode
No. Fan
Control function
Start/stop button,
1
basic mode
OFF timer
Timer
2 ON timer
operation
→
OFF ON
timer
"HI", "MED", or "LO" operation is
●
● Operation in the previous
Automatic executed according to the thermostat
circulation mode
signal. (Refer to "Thermostat operation".)
HI
Operation in "HI" mode Same as on the left.
● ●
Circulation
3
mode
MED Operation in "MED" mode
● ● Same as on the left.
LO Operation in "LO" mode Same as on the left.
● ●
● Only circulation
with cut velocity is
executed, independent
(1) In case of "Automatic" mode
of the thermostat
signal.
(1) Strong
Thermostat operation
→
H HI
→
L MED
→
S LO
4
● The power relay is
delayed by 2 seconds
from the start of
thermostat operation.
Note:
● The min. ON time of the power relay
is 3 minutes, and the min. OFF time
also is 3 minutes.
(2) In other modes than "Automatic"
Same as above (but operation is
made with the velocity set at the
time of operation start).
Cooling Sensor dehumidifi cation
"LO" and "Stop" are repeated according to the thermostat
●
signal, independent of the setting.
(1) When the set temperature is lower than the room
temperature.
The min. ON time of the power relay is 3 minutes, and the
●
min. OFF time also is 3 minutes.
The indoor fan is not delayed with operation start by start/
●
stop button ON.
● The indoor fan is delayed by 5 sec with operation start
by thermostat operation.
(2) Set temperature is higher than room temperature.
Notes:
● Forced operation by start/stop
button ON is executed even
with thermostat OFF.
The room temperature 30 sec
●
after operation start, minus
0.66 deg, becomes the set
temperature.
When the room temperature
●
is 16°C or lower, 16°C
becomes the set temperature.
The other operations are the
●
same as for (1).
Heating
"HI", "MED", "LO", and "Stop" are repeated according to the thermostat
●
signal and time.
The "Automatic" speed mode
● "HI", "MED", "LO", and "Stop" are repeated according to the thermostat ●
for each operation mode is used
signal and time.
independent of the setting.
● "MED", "LO", and "Stop" are repeated according to the thermostat signal ("Weak" at the time of "Sensor
and time. dehumidifi cation".)
"LO" and "Stop" are repeated according to the thermostat signal and time.
●
The operation mode at the
●
Example for "HI" circulation mode
start of operation differs as
shown below according to
the room temperature.
● A shift is not accepted at the
time of operation start.
There is no switching between
●
modes after start of operation.
● When the operation is started
again within 20 min. after
stop with the start/stop button,
operation will be executed in
the previous mode.
The operation details are the
●
same as for each operation mode.
Air-blow mode (A) (B)
● The set temperature is set with
H L H
the room temperature
L L L adjustment button. Correction
S S L by ,±3°C is possible with.
At this time, the operation mode
Automatic L XL
judgement temperature also is
NOTES:
shifted at the same time.
● The min. ON time of the power relay is 3 minutes, and the min. OFF time However, correction is possible
also is 3 minutes. only in cooling operation mode,
IN AUTOMATIC CIRCULATION MODE, "HI" IN SECTION (B) OCCURS ONLY but not in "Sensor dehumidifi ca-
●
THE FIRST TIME. tion" mode.
Automatic
5
6
Cooling The set temperature
shall be 27°C.
Sensor The set temperature
dehumidi- shall be 2 degrees
fi cation below the room
temperature at the
start of operation.
Heating The set temperature
shall be 23°C +
temperature shift
amount.
AIR BLOW CHANGE TO "H" FORCILY WHEN ENTERING "PD CUT 2"
AIR BLOW CAN BE CHANGED BY REMOTE CONTROL AFTER TEMP. T .
7
AIR BLOW RETURNS TO THE SET SPEED AT T .
5
● All relays are stopped by
low-temperature input.
● Not accepted during hot
keep, during compressor
stop, during defrosting and
during forced 3 minutes.
Accepted only during heating
●
operation.
● Recovery at the time of stop
by low-temperature input is
reset recovery.
The timer lamp fl ashes at the
●
time of stop.
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