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7. OPERATION DESCRIPTIONS
7-1. FAN ONLY Operation
(MODE of the remote control : FAN ONLY)
(1) During this mode, the relay RY01 is always turned
off so that only the indoor fan is operated. RY02
is always turnd on. FAN-ONLY display is lit.
1) When the FAN is set to AUTO, the indoor fan
motor operates as shown in Fig 7-1-1.
2) When the FAN is set to LOW, MED, or HIGH,
the indoor fan motor operates with a constant
in volume as listed in Table 7-1-1.
7-2. COOL Operation
(MODE of the remote control : COOL)
(1) Compressor, outdoor fan and operation display
are controlled as shown in Fig. 7-2-1.
Fig. 7-2-2
(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.
Fig. 7-1-1 Auto setting of air volume
Table 7-1-1 Manual setting of FAN SPEED
Indication of
FAN SPEED
LOW
MED
HIGH
HIGH Air volume
(m
3
/h)
430
510
650
(2) 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.
Fig. 7-2-1
(2) Relays RY01 and RY02 are turned on to energize
the outdoor unit, and a cool operation is carried
out.
1) When the FAN is set to AUTO, the indoor fan
motor operates as shown in Fig 7-2-2.
2) When the FAN is set to LOW, MED, or HIGH,
the indoor fan motor operates with a constant
in volume as listed in Table 7-1-1.
(Room temp. – Set temp.)
MED
LOW(+)
LOW
LOW
(continuous)
+4
+3
+2
+1
0
RY01
OFF
Set
temp.
Manual
FAN
According
to the set
position
HIGH
AUTO
(Room temp. – Set temp.)
+1
0
Set
temp.
ON
OFF
OPERATION
display
ON ON
Compressor
Outdoor fan
(RY01)
Common relay
(RY02)
HIGH
MED
LOW(+)
LOW
LOW
28
27
26
25
24
Room temp.