52
10-7. Outdoor low pressure and outdoor unit current
1. 07-class unit in single operation (OUTDOOR UNIT : MXZ-A18WV)
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
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 33Hz (COOL) or 45Hz (HEAT).
4.Indoor fan runs at HI speed and continues for 30 minutes.
5.To cancel this operation, press emergency run ON/OFF button
or any button on remote controller.
①
➁
Indoor
Outdoor
Set air flow to Hi speed.
Inverter output frequency is 80Hz.
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
15
20
25
30
50
60
70
35
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
15
20
25
30
50
60
70
35
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Ambient temperature(
:
)/ Ambient humidity(%)
(
:
)
(%)
33Hz
(MPa•Gauge)
0
5
10
15
20
25
2
3
4
5
6
7
8
Ambient temperature(
:
)
45Hz
Outdoor low pressure
Ambient temperature(
:
)/ Ambient humidity(%)
(
:
)
(%)
33Hz
Outdoor unit current (A)
Outdoor unit current (A)
(kgf/
F
• Gauge)
15
10
11
12
13
14
9
8
7
6
5
2
Air flow speed : HI
3
Inverter output frequency : 55Hz
OB307A2.qxp 03.2.19 4:02 PM Page 52
