Basic Mode - Hitachi RAM-60QH4 Manuel De Service

BASIC MODE

Operation mode
Fan
Basic operation of
start / stop switch
Off-timer
On-timer
Changes from "Hi" to "Med"
or "Lo" depending on room
temperature.
Auto
Temperature set
for cooling
Thermo judgment
Compressor
Hi
Med
Lo
1. Runs at "Hi" until first
thermo off after operation
is started.
2. Runs at "Lo" when thermo
is off.
Operates at "Hi" regardless of Set to "Ultra-Hi" when the
Hi
the room temperature. compressor runs at maximum
speed, and to "Hi" in other
modes.
Operates at "Med" regardless Same as at left.
Med
of the room temperature.
Lo Operates at "Lo" regardless of Same as at left.
the room temperature.
Basic operation of Performs only fan operation at See page 51.
temperature controller the set speed regardless of
the room temperature.
Start / stop swith
Operation lamp
Hi
Med
Lo
Hi Med Lo
Sleep operation Enters sleep operation after ･Same as at left.
(with sleep button ON) set as on the left. ･See page 55.
Action during sleep operation
silent (sleep) operation
Combination of operations:
When operation mode is selected:
･You cannot operate the indoor units in the following combinations.
･The indoor unit which is switched on first continues to operate, but other
indoor units which is switched on later, does not operate while the lamp lights.
Cooling Dehumidifying
Start Stop Start
Start / stop switch
Operation lamp
Start / stop switch
Reserve switch
Cancel switch
Operation lamp
Timer lamp
Remote controller timer mark " "
Timer memory
(Off-timer during stop)
Start / stop switch
Reserve switch
Cancel switch
Operation lamp
Timer lamp
Remote controller timer mark " "
Timer memory
(Change in reserved time)
Set to "Ultra-Lo", "Lo", "Med", "Hi", "Ultra-Hi" or "stop" depending on the room
temperature, time and heat exchange temperature. Set to "stop" if the room
temperature is 18ºC in the "Ultra-Lo" mode other than during preheating
Room temperature
(cooling is recovered at 18.33ºC).
On On
Off
3' (Compressor stopped
forcibly for 3 minutes)
Set to "Ultra-Lo", "Lo", "Med", "Hi", "Ultra-Hi" or "Stop" depending on the room
temperature and time.
Set to "Stop" if the room temperature is 18ºC in the "Ultra-Lo" mode other
than during preheating (cooling is recovered at 18.33ºC).
Set to "Ultra-Hi" when the compressor is running at maximum speed during
hot dash or when recovered from defrosting.
Set to "Ultra-Lo", "Lo", "Med" or "Stop" depending on the room temperature and time.
Set to "Stop" if the room temperature is 18ºC in the "Ultra-Lo" mode other than during
preheating (cooling is recovered at 18.33ºC).
Set to "Lo" in modes other than Set to "Ultra-Lo", "Lo", or "Stop" depending on
when the compressor stops. the room temperature and time.
Set to "Stop" if the room temperature is 18ºC
in the "Ultra-Lo" mode other than during
preheating (cooling is recovered at 18.33ºC).
The fan speed is controlled by the heat
exchanger temperature; the overload control is
executed as in the following diagram:
See page 59. See page 63.
･Same as at left. ･Same as at left.
･See page 59. ･See page 66.
During automatic operation:
･When heating operation is automatically selected for the first indoor unit, the next indoor unit
One unit Other unit
will then start to heat. Also, if cooling or dehumidifying is automatically selected for the first
Cooling
indoor unit, the next indoor unit will also start to cool or dehumidify.
Heating
Dehumidifying
Circulating (fan)
Heating
Stop
(Change in reserved time)
(Off-timer during operation)
When the compressor is running at maximum speed
during hot dash or when recovered from defrosting.
ºC
In modes other
42.32
37.66 than left
34.66
32.66
Heat exchanger
29.66
temperature
24.66
Hi or ultra-Hi
(fan speed set
to "auto")
Med
Lo
Heat exchanger temperature
KAFON
KAFOF
On
On
Off
"Med" with overload
"Lo"
Auto
Operation mode The special auto mode is based on auto, but the
Judgment based on the room temperature and external following is different:
temperature:
Operation mode Mode change during operation
Cooling: external temperature ≧ 25°C, or 21°C ≦ external
auto
temperature ＜ 25°C and room temperature > 27°C
Heating: external temperature ＜ 18°C, or 18°C ≦ external
temperature ＜ 21°C and room temperature ≦ 23°C
Dehumidifying: 21°C ≦ external temperature ＜ 25°C and room Special auto
temperature ≦ 27°C, or 18°C ≦ external temperature ＜ 21°C
and room temperature ＞ 23°C
Set to the mode of the indoor unit that has previously been
The special auto operation mode is entered when
operating.
operation is started in the following status:
If, when one indoor unit is heating, the other unit is set to auto,
the other unit will also enter the heating operation.
<Start condition>
If, when one indoor unit is cooling or dehumidifying, the other
Power is supplied while the tele-control signal is
unit is set to auto, the other unit will enter the cooling or
being input. (Operation starts automatically.)
dehumidifying operation.
32
<End condition>
31
The remote control restores the normal operation
30
Cooling
mode.
29
28
27
26
Dehumidifying
25
24
23
22
21
20
Heating
19
18
17
16
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
External temperature (°C)
※ Operation mode stays uncharged even if the room or ambient
temperature changes during operation.
Set room temperature
All the following temperatures can be compensated for ±3℃
using the remote control:
Cooling: 27℃
Heating: 23℃
Dehumidifying: Current room temperature (upper limit: 27℃,
lower limit: 23℃)
※ Operates at a target of set temperature minus 2℃.
･Same as at left.
･Performs the sleep operation of each operation mode.
Notes:
1. Refer to the PWRITE-ZU data for the constants expressed by capital alphabet letters in the drawing.
2. The speed set of rotaion for the fan motor in each operation mode are as shown in Table 1.
3. The set room temperatures in the diagram include the shift values in Table 2.
Judging the operation mode from the
external temperature and room temperature
at the start.
The operation mode will be judged the
same as at operation start every hour.
– 41 –