Mitsubishi Electric MXZ-18NV Service Manual page 24

9.3.2.09-class unit in single operation (OUTDOOR UNIT : MXZ-18NV)
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) COOL operation
1Both indoor and outdoor units are under the same
temperature/humidity condition.
Dry-bulb temperature(°C)
20
25
30
2Air flow speed : HI
3Inverter output frequency : 58Hz
(kgf/F• G)
(MPa•G)
0.6
6
0.5
5
0.4
4
0.3
3
0.2
2
(2) HEAT operation
Indoor
DB(°C) 20.0
WB(°C) 14.5
Set air flow to Hi speed.
Inverter output frequency is 58Hz.
(kgf/F• G) (MPa•G)
0.6
6
0.5
5
0.4
4
0.3
3
0.2
2
2
24
1(MPa • G) =10.2(kgf/f f • G)
Relative humidity(%)
50
60
70
18 20 25 30 32(
50 60 70
Ambient temperature(
/ Ambient humidity(%)
Outdoor
DB(°C)
WB(°C)
58Hz
5 10 15
Ambient temperature(
<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 / 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.
8
58Hz
7
6
5
4
3
o
C) 18 20
(%)
o
C)
2 7 15 20.0
1 6 12 14.5
10
9
8
7
6
20 2
o
C)
58Hz
220V
25 30 32(
50 60 70
Ambient temperature(
/ Ambient humidity(%)
58Hz
220V
5 10 15
o
Ambient temperature(
58Hz
240V
o
C)
(%)
o
C)
58Hz
240V
20
C)