Hitachi RAS-5101CH Servicehandbuch Seite 49

BASIC MODE
Zs Operation mode
Control function
Start/stop button,
basic mode
Fan
Star/stop button | pp eeration and stop are repeated
rm lamp Pas | eee independent of timer reservations
Star/stop button
Reservation
OFF timer
(OFF timer during stop) (Cancel) (Change of the reservation time)
Timer
2 operation
Timer lamp
(ON timer during operation) (Cancel) (Change of the reservation time)
(OFF -> ON timer) (ON — OFF timer) (ON - OFF timer during operation) (OFF -> ON timer during stop)
Star/stop button
Reservation
OFF = ON
PM1:00
PM3:00 = _PM5:00 PM1:00 PM3:00 PM5:00 PM1:00 PM3:00 PM5:00 PM1:00 PM3:00 PM5:00
timer
- "HI", "MED", or "LO" operation is
executed according to the thermostat
Automatic
signal. (Refer to "Thermostat operation".)
fH + Operation in "HI" mode - Same as on the left.
we - Operation in "MED" mode « Same as on the left.
ee « Operation in "LO" mode - Same as on the left.
¢ Only circulation
(1) In case of "Automatic" mode
- Operation in the previous
- "HI", "MED", "LO", and "Stop" are repeated according to the thermostat
circulation mode
signal and time.
+ "HI", "MED", "LO", and "Stop" are repeated according to the thermostat
signal and time.
Circulation
mode
+ "LO" and "Stop" are repeated according to the thermostat
signal, independent of the setting.
« "MED", "LO", and "Stop" are repeated according to the thermostat signal
and time.
- "LO" and "Stop" are repeated according to the thermostat signal and time.
Example for "HI" circulation mode
executed, independent
of the thermostat
signal.
(Set temperature)+ +1
(Temperature shift amount)
1
(1) Strong
15 sec 30 sec+4415 sec
che 30 sec
Fan relay H
Stick relay
External fan rela'
External fan relay
* The power relay is
delayed by 2 seconds
from the start of
thermostat operation.
+ The min. ON time of the power relay is 3 minutes, and the min. 4 way valve relay
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.
Pilot lamp
Hot keep lamp
Note:
« The min. ON time of the power relay
is 3 minutes, and the min. OFF time
also is 3 minutes.
(2) Set temperature 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).
(2) In other modes than "Automatic"
Same as above (but operation is
made with the velocity set at the
time of operation start).
« The min. ON time of the power relay is 3 minutes, and the min. OFF time
also is 3 minutes.
¢ In automatic circulation mode, "HI" in section (B) occurs only the first time.
Room temperature
=— at the start of —
The "Automatic" speed mode
for each operation mode is used
independent of the setting.
('Week" at the time of "Sensor
dehumidification".)
The operation mode at the
start of operation differs as
shown below according to
the room temperature.
Cooling | The set temper-
ature shall be 27°C.
Sensor | The set temper-
dehumidi- | ature shall be 2
nD et
ta 3
5 fication | degrees below the
.) foom temperature
® at ie start of
Q :
23°C
The temperature
shall be 23°C +
temperature shift
amount.
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
The set temperature is set with
the room temperature
adjustment button. Correction
by V, +3°C is possible with.
At this time, the operation mode
judgement temperature also is
shifted at the same time.
However, correction is possible
only in cooling operation mode,
but not in "Sensor dehumidific-
ation" mode.