– 16 –
0
–1
ON
OFF
ON
OFF
ON
ON
ON
(Room temp. – Set temp.)
4-way valve
(RY04)
Outdoor fan
(RY03)
OPERATION
display
Compressor
(RY01)
Common relay
(RY02)
(Room temp. – Set temp.)
0
-1
-2
-3
-4
Set
temp.
MED
RY01 OFF
MED(-)
LOW(+)
LOW
FAN
Manual
AUTO
According
to the set
position
7-4. HEAT Operation
(MODE of the remote control : HEAT)
(1) Relays compressor 4-way valve, outdoor fan and
operation display are controlled as shown in Fig.
7-4-1.
Fig. 7-4-1
(2) Relays RY01 and RY02 are turned on to energize
the outdoor unit, and a heat operation is carried
out. The indoor fan motor operates as shown in
Fig. 7-4-2, when the FAN is set to AUTO.
The motor operates with a constant air volume as
listed in Table 7-1-1, when the FAN is set to LOW,
MED, or HIGH.
Fig. 7-4-2
(3) Once the setting is made, the operation mode is
memorized in the microcomputer so that the same
operation can be effected thereafter simply by
pushing the START/STOP button.
7-4-1. Louver Control
(1) By pushing the SET button of the remote control
during the operation, the louver can be set to the
desired position.
(2) When the AUTO button is pushed, the louver ver-
tically swings within range of 25deg.
And the louver position is stored in the microcom-
puter, and at the next operation, the louvers will be
set to the stored position automatically at the next
operation.
7-4-2. Cool Airflow Control
(1) If the indoor heat-exchanger temperature detected
by the indoor heat-exchanger sensor is 20°C or
below, the indoor fan stops and if the temperature
rises to 25°C or above, the fan is restarted.
Details are in 7-10.
Summary of Contents for SRAS-13SKH-ES
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