Hitachi RAS-5182CH Service Seite 47

dehumidification Heating
l I I [__ Operation and stop are repeated
eee independent of timer reservations
(OFF timer during stop) (Cancel)
IN timer during operation) (Cancel)
ter) (ON — OFF timer)
(Change of the reservation time)
(Change of the reservation time)
(ON ~+ OFF timer during operation) (ON --» OFF timer during stop)
PM5.00 PM1.00 PM3.00 PM5.00 PM1.00 PM3.00 PM5.00 PM1.00 PM3.00 PMS5.00
yeated according to the thermostat
setting.
re is lower than the room temperature
ne of the power relay is 3 minutes,
FF time also is 3 minutes.
is not delayed with operation start
ttton ON.
is delayed by 5 sec with operation
stat operation.
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, mi-
nus 0.66 deg, becomes the
set temperature.
« When the room temperature
is 16°C or lower, 16°C be-
comes the set temperature.
* The other operation are the
same as for (1).
¢ "HP, "MED", "LO", and "Stop" are repeated according to the thermo-
stat signal and time.
¢ "HI, "MED", "LO", and "Stop" are repeated according to the thermo-
stat signal and time.
* "MED", "LO", and "Stop" are repeated according to the thermostat
signal and time.
* "LO" and "Stop" are repeated according to the thermost signal and
time.
Example for "HI" Greeen' mode
+3
+2
(Set temperature) + +1
i! , Ti
{Temperature shift ermount) AA. oh =
2 AT SSE 8 COCR. SRE ca
3 Nd ee
A pe er]
0 sec 15sec . 30sec t+ 15 sec 30 sec
1 ste 30 sec sec 30 sec
Start /stop switch [J [30sec | |] 30sec ||| TT! 30 sec
| Ra CNS a | es Caen Acie (ANE AS Se
Fan relay H
LU
Fan relay L 2 ee eee
Fan relay S Se ee ee ee i
NE ES |
Power relay. ._ 2 sec 2 sec yim "ee
Stick relay Pie?
External fan relay
Reversing valve relay (i
ee
Pilot lamp pore |
Hotteeiame | 1] | mT
sth ts TTP at
SLH
Notes:
*The min. ON Time of the power relay is 3 minutes, and the min.
OFF time also is 3 minutes.
ein automatic circulation mode, "HI" in section (B) occurs only
the first time.
Automatic
¢ The "Automatic" speed
mode for each operation
mode is used independent
of the setting.("Week" at
the time of "Sensor dehu-
midification".)
¢ The operation mode at
the start of operation
differs as shown below
according to the room
temperature.
The set tempera-
@ Cooling —_ | ture shall be 27°C.
5+ 7c ;
BSc '|The set tempera-
Oro Sensor _|ture shail be 2 de-
e $B | dehumidi- {grees below the
o o o fication. | room temperature
Eso
8B 23°C Heating |The temperature
cy shall be 23°C +
temperature shift
amount
* A shift is not accepted at the
time of operation start.
* Thereisno 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.settemperature is set with
the room. temperature
adjustment button. Correction
by V, +3°C is possible with.
¢ Atthis time, the operation mode
i
5
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xo}
a
To
c
o
=
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oO
=
ro}
o
o o
xo}
ise]
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Do = £
oO
oO =
Reversing vaive lock protection
judgement temperature also is - = ss é
shifted at the same time.
However, cooling operation
mode, but not in "Sensor de-_ |--
- humidification" mode.
PD CUT 4
PO CUT 2
PD CUT 3
FAN RELAY H
FAN RELAY L
POWER RELAY
STICK RELAY
EXTERNAL FAN RELAY
REVERSING VALVE RELAY
1
Low-temperature input
Fan relay H
Power rela'
Stick rela'
External fan rela'
Reversing valve relay
Timer lamp
TEMPERATURE OF INDOOR HEAT
EXCHANGER THERMISTOR
* AIR BLOW CHANGE TO "H" FORCILY BY INPUTING "PD CUT 2"
AIR BLOW MAKE A POSSIBLE TO CHANGE AIR BLOW AT TEMP. T?.
AIR BLOW RETURN TO THE ORIGINAL SETTED TEMP. AT TEMP Ts.
Indoor heat exchanger
thermistor temperature
TH
SSS LY
(0) £0.8) {0.59 (0.5) (0.5) (0.5) (0.5) (0.8)
¢ 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 heat
ing operation.
¢ Recovery at the time of
stop by low-temperature in-
put is reset recovery.
¢ The timer jamp flashes at
the time of stop.
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