17
4. 18-class unit in single operation
NOTE:The unit of pressure has been changed to MPa on the international system of units(SI unit system).
The converted score against the traditional unit system can be gotten according to the formula below.
1(MPa • G) =10.2(kgf/
f
f
• G)
(1) COOL operation
①
➁
Both indoor and outdoor units are under the same
temperature/humidity condition.
Dry-bulb temperature(°C)
Relative humidity(%)
20
50
25
60
30
70
<How to work fixed-frequency operation>
1.Set emergency switch to COOL or HEAT. The switch is locat-
ed on indoor unit.
2.Press emergency run ON/OFF button.
3.Compressor starts running at rated frequency.
4.Indoor fan runs at HI speed.
5.To cancel this operation, press emergency run ON/OFF button
or any button on remote controller.
Air flow speed : HI
Inverter output frequency : 33Hz
➂
①
➁
Indoor
Outdoor
Set air flow to Hi speed.
Inverter output frequency is 45Hz.
➂
(2) HEAT operation
DB(°C)
20.0
WB(°C) 14.5
DB(°C)
2
7
15
20.0
WB(°C)
1
6
12
14.5
Ambient temperature(
:
)/ Ambient humidity(%)
0
5
10
15
20
25
4
5
6
7
8
9
10
Ambient temperature(
:
)
45Hz
Ambient temperature(
:
)/ Ambient humidity(%)
Outdoor unit current (A)
Outdoor low pressure
Outdoor unit current (A)
(MPa•Gauge)
(kgf/
F
•Gauge)
15
20
25
30
35
0.2
0.3
0.4
0.5
0.6
0.7
0.8
(
;
)
(%)
33Hz
15 20
25
30 35
3
4
5
6
7
8
9
(
;
)
(%)
33Hz
8
7
6
5
4
3
2
OB287B--1.qxp 06.6.7 11:12 AM Page 17
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