Mitsubishi Electric MXZ-A18WV Service Manual page 39

2. 09-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 conversion factor is : 1(MPa[Gauge]) =10.2(kgf/f
(1) COOL operation
1Both indoor and outdoor units are under the same
temperature/humidity condition.
Dry-bulb temperature(°C)
20
25
30
2Air flow speed : High
3Inverter output frequency : 33Hz
(kgf/F[Gauge]) (MPa[Gauge])
1.5
15
1.4
14
1.3
13
1.2
12
1.1
11
1.0
10
0.9
9
0.8
8
0.7
7
0.6
6
0.5
5
15
Ambient temperature(:)/ Ambient humidity(%)
(2) HEAT operation
Indoor
DB(°C) 20.0
WB(°C) 14.5
Set air flow to High speed.
Inverter output frequency is 45Hz.
Relative humidity(%)
50
60
70
33Hz
20 25 30
50 60 70
Outdoor
DB(°C)
WB(°C)
f [Gauge])
<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 rated frequency.
4.Indoor fan runs at High speed and continues for 30 minutes.
5.To cancel this operation, press emergency operation button
or any button on remote controller.
5
4
3
2
1
(:)
35 15
(%)
Ambient temperature(:)/ Ambient humidity(%)
2 7 15 20.0
1 6 12 14.5
8
7
6
5
4
3
2
39
33Hz
20 25 30
50 60 70
5 10 15 20
Ambient temperature(:)
(:)
35
(%)
45Hz
25