29
9.4.4. 18-class unit in single operation
NOTO: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 located
on indoor unit.
2.Press emergency run ON/OFF button.
3.Compressor starts running at 58Hz (COOL) or 40Hz (HEAT).
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 : 58Hz
➂
①
➁
Indoor
Outdoor
Set air flow to Hi speed.
Inverter output frequency is 58Hz.
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
0.8
0.7
0.6
0.5
0.4
0.3
18 20 25 30 32(
o
C)
50 60 70 (%)
Ambient temperature(
o
C)
/ Ambient humidily(%)
11
10
9
8
7
6
18 20 25 30 32(
o
C)
50 60 70 (%)
Ambient temperature(
o
C)
/ Ambient humidily(%)
58Hz
58Hz
2 5 10 15 20
Ambient temperature(
o
C)
9
8
7
6
5
Outdoor unit current (A)
Outdoor unit current (A)
40Hz
Outdoor low pressure
(MPa•G)
(kgf/
F
• G)
8
7
6
5
4
3